Kaikki oikeudet pidätetään ©. Artikkelissa syntyvä ohjelma on kokeiltavana täällä https://moijari.com:5008/. Tein muutoksia myös html-versioon, ja käynnistin myös html-version serveristä. Se on portissa 5009. Html version linkki löytyy myös sivun https versiosta. Olisin kiitollinen jos hetken clikkailisit linkkejä, niin saisin tarkistaa että ne toimivat oikein.
Jos pidät sudokujen ratkaisusta niitä löytyy posteista: https://moijari.com/?p=2930 ja https://moijari.com/?p=1874.
Jos taas satunnaisbitit kiinnostavat postissa https://moijari.com/?p=1874 esitellään satunnaisbittigeneraattori ressu. Ensimmäinen maininta ressu satunnaisbittigeneraattorista: https://moijari.com/?p=62.
Tämä artikkeli nojaa aika paljon artikkeleissa https://moijari.com/?p=2930 ja https://moijari.com/?p=1874 kehitettyyn db8 ohjelmaan.
Seuraavaksi kokeilen taas tehdä palvelimen, joka lukee seuraavaa rakennetta. Edellinen yritys oli tälläinen: https://moijari.com/?p=1799 ja tälläinen https://moijari.com/?p=1256. Tämä on taas pidempi artikkeli tai artikkelisarja.
'memberid' = "customerid", 'memberapp' = "customerid"
'memberid' = "countryid", 'memberapp' = "countryid"
'memberid' = "productid", 'memberapp' = "productid"
'memberid' = "billid", 'memberapp' = "billid"
'appid' = "country", 'chapter' = "header", 'memberid' = "countryid"
'appid' = "country", 'chapter' = "header", 'memberid' = "countryname"
'countryid' = "fi", 'countryname' = "Finland"
'appid' = "company", 'chapter' = "header", 'memberid' = "companyid"
'appid' = "company", 'chapter' = "header", 'memberid' = "companyname"
'appid' = "company", 'chapter' = "header", 'memberid' = "companyaddress"
'appid' = "company", 'chapter' = "header", 'memberid' = "companyzip"
'appid' = "company", 'chapter' = "header", 'memberid' = "companycountry"
'appid' = "company", 'chapter' = "header", 'memberid' = "fiscalyear"
'appid' = "company", 'chapter' = "header", 'memberid' = "fiscalperiod"
'companyid' = "1", 'companyname' = "Vene Oy", 'companyaddress' = "venekatu 1", 'companyzip' = "00500", 'companycountry' = "fi", 'fiscalyear' = "2025", 'fiscalperiod' = "1"
'appid' = "customer", 'chapter' = "header", 'memberid' = "customerid"
'appid' = "customer", 'chapter' = "header", 'memberid' = "customername"
'appid' = "customer", 'chapter' = "header", 'memberid' = "customeraddress"
'appid' = "customer", 'chapter' = "header", 'memberid' = "customerzip"
'appid' = "customer", 'chapter' = "header", 'memberid' = "customercountry"
'customerid' = "1", 'customername' = "Asiakas 1", 'customeraddress' = "asiakaskatu 1", 'customerzip' = "00500", 'customercountry' = "fi"
'customerid' = "2", 'customername' = "Asiakas 2", 'customeraddress' = "asiakaskatu 2", 'customerzip' = "00500", 'customercountry' = "fi"
'customerid' = "3", 'customername' = "Asiakas 3", 'customeraddress' = "asiakaskatu 3", 'customerzip' = "00500", 'customercountry' = "fi"
'appid' = "product", 'chapter' = "header", 'memberid' = "productid"
'appid' = "product", 'chapter' = "header", 'memberid' = "productname"
'appid' = "product", 'chapter' = "header", 'memberid' = "productprice"
'productid' = "1", 'productname' = "Vene", 'productprice' = "100"
'productid' = "2", 'productname' = "Airot", 'productprice' = "10"
'productid' = "3", 'productname' = "Tappi", 'productprice' = "5"
'appid' = "bill", 'chapter' = "header", 'memberid' = "billid"
'appid' = "bill", 'chapter' = "header", 'memberid' = "companyid"
'appid' = "bill", 'chapter' = "header", 'memberid' = "customerid"
'appid' = "bill", 'chapter' = "header", 'memberid' = "customername"
'appid' = "bill", 'chapter' = "header", 'memberid' = "total"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "billid"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "billlineid"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "productid"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "productname"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "productprice"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "quantity"
'appid' = "bill", 'chapter' = "lines", 'memberid' = "amount"
'billid' = "1", 'companyid' = "1", 'customerid' = "1", 'customername' = "Asiakas 1", 'total' = "115"
'billid' = "1", 'billlineid' = "1", 'productid' = "1", 'productname' = "Vene", 'productprice' = "100", 'quantity' = "1", 'amount' = "100"
'billid' = "1", 'billlineid' = "2", 'productid' = "1", 'productname' = "Airot", 'productprice' = "10", 'quantity' = "1", 'amount' = "10"
'billid' = "1", 'billlineid' = "3", 'productid' = "1", 'productname' = "Tappi", 'productprice' = "5", 'quantity' = "1", 'amount' = "5"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "transactionid"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "companyid"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "customerid"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "customername"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "billid"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "fiscalyear"
'appid' = "transaction", 'chapter' = "header", 'memberid' = "fiscalperiod"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "transactionid"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "transactionlineid"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "productid"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "productprice"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "quantity"
'appid' = "transactionline", 'chapter' = "lines", 'memberid' = "amount"
'transactionid' = "1", 'companyid' = "1", 'customerid' = "1", 'customername' = "Asiakas 1", 'billid' = "1", 'fiscalyear' = "2025", 'fiscalperiod' = "1"
'transactionid' = "1", 'transactionlineid' = "1", 'productid' = "1", 'productprice' = "100", 'quantity' = "1", 'amount' = "100"
'transactionid' = "1", 'transactionlineid' = "2", 'productid' = "2", 'productprice' = "10", 'quantity' = "1", 'amount' = "10"
'transactionid' = "1", 'transactionlineid' = "3", 'productid' = "3", 'productprice' = "5", 'quantity' = "1", 'amount' = "5"Edellisessä scriptissä on maat (country), yritys (company), asiakas (customer), tuote (product), lasku(bill) ja liiketapahtuma (transaction). Tämä on tälläinen yksinkertaistettu malli, jossa syötetään lasku, keräillään sen perusteella (ei tilausta, toimitusta, keräilyä jne.). Samoin liiketapahtumat perustuu yksinkertaiseen kirjanpitoon. Ajatus on että näiden perusteella voin miettiä mitä toimintoja terttuun tarvitaan.
Lukijalle jää mahdollinen tilauksen lisääminen, osto- ja myyntireskontra, laskujen maksaminen, liiketapahtumien muutos kaksinkertaiseksi, kirjanpidon tilien lisääminen, tilien saldot, tulos ja taselaskelma, ja mitä muuta?
Itse jäin pohtimaan pitäisikö liiketapahtumien olla kuvattu kuten laskutapahtumat (bill) ilman erillistä lines appia.
Jos pidät artikkeleistani, tarjoa vissy.
Ote lokista
Tässä ote https-lokista: ajo alkaa starting dbs3:lla rivillä, lapsiprosessin suoritus loppuu unlink rivillä.
20250830175147UTC starting dbs3 "DBS3 version 0.09 ©", port:5008, https
20250830175147UTC cert xx xx xx xx...
20250830175147UTC private xx xx xx xx...
20250830175147UTC server_https_init()
20250830175147UTC SSL_library_init()
20250830175147UTC OpenSSL_add_ssl_algorithms()
20250830175147UTC OpenSSL_add_ciphers()
20250830175147UTC OpenSSL_load_error_strings()
20250830175147UTC SSLv23_server_method()
20250830175147UTC SSL_CTX_new()
20250830175147UTC SSL_CTX_use_certificate_file()
20250830175147UTC SSL_CTX_use_PrivateKey_file()
20250830175147UTC cert xx xx xx xx...
20250830175147UTC private xx xx xx xx...
20250830175147UTC SSL_CTX_load_verify_locations()
20250830175147UTC server_basic_socket()
20250830175147UTC server_getaddrinfo()
20250830175147UTC getaddrinfo()
20250830175147UTC server_socket()
20250830175147UTC socket()
20250830175147UTC server_bind()
20250830175147UTC bind()
20250830175147UTC freeaddrinfo()
20250830175147UTC server_listen()
20250830175147UTC listen()
20250830175147UTC accept()
20250830175201UTC ========================================
20250830175201UTC dbs_time_vars()
20250830175201UTC fork start (parent) getpid:12334 getppid:1
20250830175201UTC fork()
20250830175201UTC fork end (parent) pid:12335 getpid:12334 getppid:1
20250830175201UTC server_close()
20250830175201UTC init_child()
20250830175201UTC close()
20250830175201UTC close(s)
20250830175201UTC cert xx xx xx xx...
20250830175201UTC close(s)
20250830175201UTC private xx xx xx xx...
20250830175201UTC https_client()
20250830175201UTC accept()
20250830175201UTC SSL_new()
20250830175201UTC SSL_set_fd()
20250830175201UTC SSL_accept()
20250830175201UTC SSL_get_peer_certificate(), No peer certificate
20250830175201UTC SSL_read()
20250830175201UTC ========================================
20250830175201UTC dbs_time_vars()
20250830175201UTC fork start (parent) getpid:12334 getppid:1
20250830175201UTC fork()
20250830175201UTC fork end (parent) pid:12336 getpid:12334 getppid:1
20250830175201UTC init_child()
20250830175201UTC server_close()
20250830175201UTC close(s)
20250830175201UTC close()
20250830175201UTC cert xx xx xx xx...
20250830175201UTC close(s)
20250830175201UTC private xx xx xx xx...
20250830175201UTC https_client()
20250830175201UTC accept()
20250830175201UTC SSL_new()
20250830175201UTC SSL_set_fd()
20250830175201UTC SSL_accept()
20250830175201UTC SSL_get_peer_certificate(), No peer certificate
20250830175201UTC SSL_read()
20250830175201UTC SSL_read(), retval 540, errno: 0, SSL_get_error(): 0, ERR_get_error(): 0
20250830175201UTC (540 bytes)
20250830175201UTC GET / HTTP/1.1
Host: moijari.com:5008
Sec-Fetch-Dest: document
User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Referer: https://moijari.com:5008/
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Accept-Language: en-GB,en;q=0.9
Priority: u=0, i
Accept-Encoding: gzip, deflate, br
Cookie: PHPSESSID=xx xx xx xx...
Connection: keep-alive
_registerTMCloneTable
20250830175201UTC 1 reads, received 540 chars, read 540 total bytes, input buffer size 2048 chars, data="
20250830175201UTC "
20250830175201UTC htmlmethod: "GET"
20250830175201UTC htmlpath: "/"
20250830175201UTC htmlversion: "HTTP/1.1"
20250830175201UTC htmlfilename: ""
20250830175201UTC htmlfileextension: ""
20250830175201UTC htmlhost: "moijari.com:5008"
20250830175201UTC htmluseragent: "Mozilla/5.0 (iPhone; CPU iPhone OS 18_6_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.6 Mobile/15E148 Safari/604.1"
20250830175201UTC htmlcookie: "PHPSESSID=xx xx xx xx..."
20250830175201UTC enter dba_loop()
20250830175201UTC entering dba_loop()
20250830175201UTC fetching cookies
20250830175201UTC htmlsessionid: ""
20250830175201UTC htmlmode: ""
20250830175201UTC htmllanguage: ""
20250830175201UTC end fetching cookies
20250830175201UTC html prettyprinter
20250830175201UTC buffers1: 0:96 1:1423 2:0 3:0 4:116 5:0 6:0 7:0 8:0
20250830175201UTC buffers2: 0:96 1:0 2:0 3:0 4:0 5:0 6:0 7:1539 8:0
20250830175201UTC buffers3: 0:96 1:0 2:0 3:0 4:0 5:0 6:0 7:0 8:1624
20250830175201UTC html prettyprinter done.
20250830175201UTC exit dba_loop2()
20250830175201UTC entering dba_loop2()
20250830175201UTC exiting dba_loop2()
20250830175201UTC buffers(ssl): 0:196SSL_write()
20250830175201UTC 1:0 2:0 3:0 4:0 5:0 6:0 7:0 8:1624SSL_write()
20250830175201UTC HTTP/1.0 200 OK
Location:
Server: DBS3 version 0.09 ©
Date: Sat, 30 Aug 2025 17:52:01 GMT
Content-Length: 1624
SHA256: 14f9261ba8b2d0955cdcd88ce63cf1414837042ceeb56e99cbcd8f8b362a9f92
20250830175201UTC <!doctype html>
<html lang="fi">
<head>
<meta charset="utf-8">
<title>dbs3</title>
<meta name="author" content="Jari Kuivaniemi">
<meta name="copyright" content="Jari Kuivaniemi">
<meta name="format-detection" content="telephone=no">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<h1>Hello world!</h1>
<p>Tämä on artikkelin
<a href="https://moijari.com?p=2990">https://moijari.com?p=2990</a>
testiohjelma. Ohjelma löytyy tästä linkistä
<a href="https://moijari.com:5008">https://moijari.com:5008</a>.
</p>
<p>Seuraava kappale sisältää ressun tekemiä satunnaisbittejä. Ne ovat tässä vain tilan
täytteeksi.</p>
<code>00000 20616874070457590523126122132497421268944884802220810261826959568<br>
00001 17192985807111595612468232713117700741936846802133961244101879900<br>
00002 02407386257484414673907086023803598802701388309148448685736962425<br>
00003 50279311953963128957788744672545836449370328271465324371081029118<br>
00004 70458842796761884608024944157410778280148696721938596935963966256<br>
00005 05578472692405139090352146280861261687819185840399999490749778727<br>
00006 42059647448790835009224071147698545710269723898238144550191259729<br>
00007 92523533467026772824174205506373861584249958499398660047182445533<br>
00008 17388179513424995966929981520791349290757431604968432604126712314<br>
00009 12602138335914743028665941174114691854493502124843486708760074618<br>
</code>
<p>DBS3 version 0.09 ©,
sha256(0ff070a4dda2dc67e499d2eb5b5ddf1efce64863ad517fdf2509bdfb4955cd5b)</p>
</body>
</html>
20250830175201UTC SSL connection using TLS_AES_128_GCM_SHA256
20250830175201UTC dbs_query_vars()
20250830175201UTC SSL_free()
20250830175201UTC critical_wait()
20250830175201UTC critical_post()
20250830175201UTC server_close(news)
20250830175201UTC close()
20250830175201UTC fork end (child) pid:0 getpid:12336 getppid:12334
20250830175201UTC exit_child()
20250830175201UTC unlink dbs3pid12336.log
20250830175201UTC ========================================Pääohjelma main()
Pääohjelma lukee komentoriviparametrit –http, –https ja –port ja käynnistää niiden perusteella http- tai https-palvelimen oikealla porttinumerolla. Oletuksena luodaan http palvelin porttinumerolla 5000.
Lisäksi ohjelma muodostaa tämän suoritettavan tiedoston tiivisteen, joka tulostetaan aina sivun loppuun (htmldigest).
int http = 1;
int https = 0;
void main(int argc, char *argv[])
{
int c;
procname = argv[0];
unsigned char filedigest[HashLen];
dbs_file_digest("/proc/self/exe", filedigest);
htmldigest[0] = '\0';
for(int c = 0; c < HashLen; c++) {
char twodigits[3];
sprintf(twodigits, "%02x", filedigest[c]);
strcat(htmldigest, twodigits);
}
//
// look thru command line parameters
//
for(c = 1; c < argc; c++) {
if(!strncmp("-", argv[c], 1)) {
if(!strncmp("--port", argv[c], 6)) {
if(*(argv[c] + 6) != '\0')
myport = argv[c] + 6;
else if(c + 1 < argc) {
myport = argv[c + 1];
c++;
}
} else if(!strcmp("--https", argv[c])) {
https = 1;
http = 0;
} else if(!strcmp("--http", argv[c])) {
http = 1;
https = 0;
} else {
log_errprintf("%s: invalid option %s\n", procname, argv[c]);
exit(1);
}
}
}
log_errprintf("starting dbs3 \"%s\"", programname);
log_errprintf(", port:%s", myport);
if(http)
log_errprintf(", http");
if(https)
log_errprintf(", https");
log_errprintf("\n");
if(http)
http_server();
if(https)
https_server();
}Http palvelin
Http palvelin ajaa tarvittavia palvelimen käynnistykseen liittyviä rutiineja server_basic_socket() rutiinilla ja luo uuden prosessin fork():illa lapsiprosessia varten.
static void http_server()
{
int quit, reset, addr_size;
struct sockaddr_in sa_cli;
signal(SIGPIPE, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
// plus space for '\0'
htmlin = malloc(htmlinlen + 1);
reset = 1;
quit = 0;
for(;;) {
log_mode = 1;
if(quit) {
break;
}
if(reset) {
if(s != -1)
close(s);
log_printf("server_basic_socket()\n");
s = server_basic_socket();
reset = 0;
}
fprintf(stdout,"\n");
fflush(stdout);
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
log_errprintf("%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}
fprintf(stdout,"========================================\n");
log_printf("dbs_time_vars()\n");
dbs_time_vars();
if(beepaccept) {
fprintf(stderr,"\a\n");
fflush(stderr);
}
pid_t pid;
log_printf("Fork start (parent)");
log_printf(" getpid:%d getppid:%d", getpid(), getppid());
log_printf("\n");
log_printf("fork()\n");
if((pid = fork()) < 0) {
log_errprintf("%s: cannot fork()", procname);
log_errprintf(", errno %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
fflush(stderr);
perror("fork");
fflush(stderr);
exit(1);
} else if(pid == 0) { // child
log_printf("init_child()\n");
init_child();
log_mode = 2; // child
log_printf("close(s)\n");
close(s);
log_printf("Fork start (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("close(s)\n");
close(s);
log_printf("http_client()\n");
http_client(news, sa_cli, addr_size, "http");
dbs_run_critical_sections();
log_printf("server_close(news)\n");
server_close(news);
log_printf("Fork end (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("exit_child()\n");
exit_child();
log_mode = 1;
exit(0);
}
log_printf("Fork end (parent)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("server_close()\n");
server_close(news);
} // for(;;)
}server_basic_socket()
Seuraavaa rutiinia käytetään sekä http että https palvelimessa.
static int server_basic_socket()
{
int s;
struct addrinfo *res;
log_printf("server_getaddrinfo()\n");
server_getaddrinfo(myport, &res);
log_printf("server_socket()\n");
s = server_socket(res);
log_printf("server_bind()\n");
server_bind(s, res);
log_printf("freeaddrinfo()\n");
freeaddrinfo(res);
log_printf("server_listen()\n");
server_listen(s);
return(s);
}server_getaddrinfo() ja muuta
Edellisen rutiinin aliohjelmia
static int server_getaddrinfo(unsigned char *myport, struct addrinfo **res)
{
int status;
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
log_printf("getaddrinfo()\n");
if ((status = getaddrinfo(NULL, myport, &hints, res)) != 0) {
#ifdef OLD1
fprintf(stderr, "%s: getaddrinfo error: %s",
procname, gai_strerror(status));
fprintf(stderr,", error code %d\n", status);
#endif
log_errprintf( "%s: getaddrinfo error: %s",
procname, gai_strerror(status));
log_errprintf( ", error code %d\n", status);
//fflush(stderr);
}
return(status);
}
static int server_socket(struct addrinfo *res)
{
int s;
log_printf("socket()\n");
if((s = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
log_errprintf("%s: socket()", procname);
log_errprintf(", errno: %d", errno);
log_errprintf("(%s)\n", strerror(errno));
perror("socket");
//fflush(stderr);
}
return(s);
}
static void server_bind(int s, struct addrinfo *res)
{
log_printf("bind()\n");
if(bind(s, res->ai_addr, res->ai_addrlen) == -1) {
int errerrno = errno;
if(errerrno == 98) {
fprintf(stdout,"%s cannot bind, waiting to bind", procname);
while(errerrno == 98) {
sleep(10);
fprintf(stdout,".");
fflush(stdout);
bind(s, res->ai_addr, res->ai_addrlen);
errerrno = errno;
}
fprintf(stdout,"bind done!\n");
//fflush(stdout);
} else {
int errerrno = errno;
log_errprintf("%s: cannot bind()", procname);
log_errprintf(", errno: %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("bind");
//fflush(stderr);
}
}
}
static int server_listen(int s)
{
int retval;
log_printf("listen()\n");
if((retval = listen(s, backlog)) == -1) { // ==!
int errerrno = errno;
log_errprintf("%s: cannot listen()", procname);
log_errprintf(", errno %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("listen");
//fflush(stderr);
}
return(retval);
}
static void server_close(int s)
{
log_printf("close()\n");
if(close(s) == -1) {
int errerrno = errno;
log_errprintf("%s: cannot close()", procname);
log_errprintf(", errno %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("close");
//fflush(stderr);
}
}Http client
Http client lukee asiakkaan pyynnön read():lla, suorittaa asiakasohjelman dbs_run_loop():lla, ja kirjoittaa tulokset write():lla.
static void http_client(int news, struct sockaddr_in sa_cli, int addr_size, char *name)
{
int clen = 0;
int reads = 0;
int first = 1;
int bytes, totalbytes = 0;
unsigned char buffer10[10];
htmlparams = NULL;
htmlin[0] = '\0';
dbs_server_vars(sa_cli, addr_size, name);
while(htmlparams == NULL ||
clen - strlen(htmlparams) > 0) {
if(!first) {
log_printf(", ");
}
struct pollfd fds;
fds.fd = news;
fds.events = POLLIN;
bytes = 0;
int retval = poll(&fds, 1, 1000 * 10);
log_printf("******poll: %d\n", retval);
if(retval > 0) { // -1 err, 0 expire
log_printf("read()\n");
if((bytes = read(news, htmlin + totalbytes, htmlinlen - totalbytes)) < 0) {
log_errprintf("%s: cannot read()\n", procname);
perror("read");
//fflush(stderr);
}
if(retval > 0)
reads++;
}
log_printf("(%d bytes)", bytes);
log_printf("%s", htmlin);
if(bytes == 0)
break;
if(bytes > 3 &&
!isprint(htmlin[0]) &&
!isprint(htmlin[1]) &&
!isprint(htmlin[2])) {
log_printf("https packet?\n");
htmlin[0] = '\0';
totalbytes = 0;
bytes = 0;
break;
}
*(htmlin + totalbytes + bytes) = '\0';
totalbytes += bytes;
if(totalbytes >= htmlinlen) {
// plus space for '\0'
htmlin = realloc(htmlin, htmlinlen * 2 + 1);
htmlinlen *= 2;
}
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(!strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length", sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
if(totalbytes != 0) {
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf(", data=\"");
log_dump_string(htmlin);
log_printf("\"\n");
dbs_run_loop();
log_printf("buffers(html):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
if((bytes = write(news, html_get_string(c), strlen(html_get_string(c)))) == -1) {
log_errprintf("%s: cannot write() dbs_html[%d]\n", procname, c);
perror("write");
//fflush(stderr);
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n",html_get_string(c));
}
log_printf("\n");
}
dbs_query_vars();
}Https palvelin
Ohjelma toteuttaa https-palvelimen. Palvelimen toimintaa valmistellaan server_https_init() ja server_basic_socket() rutiineilla.
Asiakasohjelmaa varten luodaan uusi prosessi fork():illa. Asiakasohjelma ajetaan https_client() rutiinilla.
static void https_server()
{
int quit, reset, addr_size;
struct sockaddr_in sa_cli;
SSL_CTX *ctx = NULL;
signal(SIGPIPE, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
// plus space for '\0'
htmlin = malloc(htmlinlen+1);
reset = 1;
quit = 0;
for(;;) {
log_mode = 1;
if(quit) {
break;
}
if(https_keyschange_needed())
reset = 1;
if(reset) {
if(ctx != NULL) {
log_printf("SSL_CTX_free()\n");
SSL_CTX_free(ctx);
}
if(s != -1)
close(s);
log_printf("server_https_init()\n");
ctx = server_https_init();
log_printf("server_basic_socket()\n");
s = server_basic_socket();
reset = 0;
}
fprintf(stdout,"\n");
fflush(stdout);
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
log_errprintf("%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}
fprintf(stdout,"========================================\n");
log_printf("dbs_time_vars()\n");
dbs_time_vars();
pid_t pid;
log_printf("Fork start (parent)");
log_printf(" getpid:%d getppid:%d", getpid(), getppid());
log_printf("\n");
log_printf("fork()\n");
if((pid = fork()) < 0) {
log_errprintf("%s: cannot fork()", procname);
log_errprintf(", errno %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("fork");
fflush(stderr);
exit(1);
} else if(pid == 0) { // child
log_printf("init_child()\n");
init_child();
log_mode = 2; // child
log_printf("close(s)\n");
close(s);
log_printf("close(s)\n");
close(s);
log_printf("https_client()\n");
https_client(news, ctx, sa_cli, addr_size, "https");
dbs_run_critical_sections();
log_printf("server_close(news)\n");
server_close(news);
log_printf("Fork end (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("exit_child()\n");
exit_child();
exit(0);
}
log_printf("Fork end (parent)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("server_close()\n");
server_close(news);
} // for(;;)
}server_https_init()
server_https_init() kutsuu SSL palvelimen tarvitsemia kutsuja. Uusi koodi tässä tekee SSL avaintenmuutoksen: siitä lisää myöhemmin.
static SSL_CTX *server_https_init()
{
SSL_METHOD *method = NULL;
SSL_CTX *ctx = NULL;
unsigned char cert_digest2[HashLen]; // before change
unsigned char privatekey_digest2[HashLen];
unsigned char cert_digest3[HashLen]; // after change
unsigned char privatekey_digest3[HashLen];
log_printf("SSL_library_init()\n");
SSL_library_init();
log_printf("OpenSSL_add_ssl_algorithms()\n");
OpenSSL_add_ssl_algorithms();
log_printf("OpenSSL_add_ciphers()\n");
OpenSSL_add_all_ciphers();
log_printf("OpenSSL_load_error_strings()\n");
SSL_load_error_strings();
log_printf("SSLv23_server_method()\n");
if((method = (SSL_METHOD *)
SSLv23_server_method()) == NULL) {
log_errprintf("%s: cannot SSLv3_server_method()\n", procname);
//fflush(stderr);
}
log_printf("SSL_CTX_new()\n");
if((ctx = SSL_CTX_new(method)) == NULL) {
log_errprintf("%s: cannot SSL_CTX_new()\n", procname);
}
for(;;) { // 2025 JariK
dbs_file_digest(cert_file, cert_digest2); // save before change digests
dbs_file_digest(privatekey_file, privatekey_digest2);
log_printf("SSL_CTX_use_certificate_file()\n");
if(SSL_CTX_use_certificate_file(ctx, cert_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_certificate_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
log_printf("SSL_CTX_use_PrivateKey_file()\n");
if(SSL_CTX_use_PrivateKey_file(ctx, privatekey_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_PrivateKey_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
dbs_file_digest(cert_file, cert_digest3); // save after change digests
dbs_file_digest(privatekey_file, privatekey_digest3);
// redo if before stamps are different from after stamps
if(memcmp(cert_digest2, cert_digest3, sizeof(cert_digest3)) ||
memcmp(privatekey_digest2,privatekey_digest3, sizeof(privatekey_digest3)))
continue;
memcpy(cert_digest, cert_digest2, sizeof(cert_digest2));
memcpy(privatekey_digest, privatekey_digest2, sizeof(privatekey_digest2));
log_dump("cert", 32, cert_digest, 32); // first 32 bytes
log_dump("private", 32, privatekey_digest, 32); // first 32 bytes
break;
}
log_printf("SSL_CTX_load_verify_locations()\n");
if(SSL_CTX_load_verify_locations(ctx, cert_file, NULL) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("\n%s: cannot SSL_CTX_load_verify_locations()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
return(ctx);
}
Https client
Https client alustaa SSL yhteyttä SSL toiminnoilla, lukee asiakkaan kyselyn SSL_read():lla ja suorittaa asiakasohjelman dbs_run_loop():lla ja kirjoittaa vastauksen takaisin asiakkaalle SSL_write() rutiinilla:
static void https_client(int news, SSL_CTX *ctx, struct sockaddr_in sa_cli, int addr_size, char *name)
{
int status, ok;
unsigned char buffer10[10];
SSL *ssl;
X509 *peer_cert;
unsigned long long useconds;
useconds = dbs_get_useconds();
ok = 1;
dbs_server_vars(sa_cli, addr_size, name);
log_printf("SSL_new()\n");
if((ssl = SSL_new(ctx)) == NULL) {
fprintf(stdout,"\n%s: cannot SSL_new()", procname);
}
log_printf("SSL_set_fd()\n");
if(SSL_set_fd(ssl, news) != 1) {
fprintf(stdout,"\n%s: cannot SSL_set_fd()\n", procname);
}
log_printf("SSL_accept()\n");
if((status = SSL_accept(ssl)) < 0) {
log_printf("%s: cannot SSL_accept(), retval: %d\n", procname, status);
}
log_printf("SSL_get_peer_certificate()");
peer_cert = SSL_get_peer_certificate(ssl);
if(peer_cert == NULL) {
log_printf(", No peer certificate");
}
log_printf("\n");
int clen = 0;
int reads = 0;
int first = 1;
int bytes, totalbytes = 0;
htmlparams = NULL;
htmlin[0] = '\0';
while(htmlparams == NULL || clen - strlen(htmlparams) > 0) {
if(!first) {
log_printf(", ");
}
int tries = 0;
for(;;) {
log_printf("SSL_read()\n");
bytes = SSL_read(ssl, htmlin + totalbytes, htmlinlen - totalbytes);
int errerrno, err, err2;
errerrno = errno;
err = SSL_get_error(ssl, bytes);
err2 = ERR_get_error();
log_printf("SSL_read()");
log_printf(", retval %d", bytes);
log_printf(", errno: %d", errerrno);
log_printf(", SSL_get_error(): %d", err);
log_printf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_printf(", %d", err2);
log_printf("\n");
if(bytes >= 0) {
reads++;
break;
}
if(bytes < 0) {
if(++tries < 5 && (err == 1 || err == 5)) {
usleep(1024 * 512 / 5);
log_printf(" try:%d", tries);
continue;
}
log_printf("cannot SSL_read()\n");
ok = 0;
break;
} // if(bytes
break;
} // for(;;)
log_printf("(%d bytes)\n", bytes);
log_printf("%s\n", htmlin);
if(!ok)
break;
*(htmlin + totalbytes + bytes) = '\0';
if(bytes == 0)
break;
totalbytes += bytes;
if(totalbytes >= htmlinlen) {
// plus space for '\0'
htmlin = realloc(htmlin, htmlinlen * 2 + 1);
htmlinlen *= 2;
}
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(!strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length",
sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf(", data=\"\n");
log_dump_string(htmlin);
log_printf("\"\n");
strncpy(htmlsslcipher, SSL_get_cipher(ssl), sizeof(htmlsslcipher));
if(ok)
dbs_run_loop();
if(ok) {
log_printf("buffers(ssl):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
log_printf("SSL_write()\n");
if((status = SSL_write(ssl, html_get_string(c), strlen(html_get_string(c)))) < 1) {
log_errprintf("%s: cannot SSL_write(), buffer %d, status: %d, SSL error: %d\n",
procname, c, status, SSL_get_error(ssl, status));
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n", html_get_string(c));
}
}
log_printf("SSL connection using %s\n", htmlsslcipher);
log_printf("dbs_query_vars()\n");
dbs_query_vars();
log_printf("SSL_free()\n");
SSL_free(ssl);
}DBS_run_loop()
Ohjelma käynnistää dba_loop():n, muotoilee uudestaan dba_loop():in tuloksen (html scripti) ja käynnistää dba_loop2():sen.
static void dbs_run_loop()
{
unsigned char *p;
p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
dbs_html_parse_string(sizeof(htmlpath), htmlpath, &p);
dbs_html_parse_string(sizeof(htmlversion), htmlversion, &p);
dbs_parse_filename(sizeof(htmlfilename), htmlfilename, htmlpath);
dbs_parse_extension(sizeof(htmlfileextension), htmlfileextension, htmlfilename);
htmlparams = dbs_html_get_params();
if(htmlparams == NULL)
htmlparams = "";
if(dbs_html_get_request_line("Host", sizeof(htmlhost), htmlhost) == NULL)
htmlhost[0] = '\0';
log_printf("htmlhost: \"%s\"\n", htmlhost);
if(dbs_html_get_request_line("User-Agent", sizeof(htmluseragent), htmluseragent) == NULL)
htmluseragent[0] = '\0';
log_printf("htmluseragent: \"%s\"\n", htmluseragent);
if(dbs_html_get_request_line("Cookie", sizeof(htmlcookie), htmlcookie)==NULL)
htmlcookie[0] = '\0';
log_printf("htmlcookie: \"%s\"\n", htmlcookie);
html_clear_all();
log_printf("enter dba_loop()\n");
dba_loop();
log_printf("html prettyprinter\n");
#ifdef DEBUG25
log_printf("buffers1:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
for(int c = 1; c < HTML_BUFFERS - 2; c++) {
p = html_get_string(c);
html_set(HTML_BUFFERS - 2);
html_printf("%s", p);
html_set(c);
html_clear();
}
#ifdef DEBUG25
log_printf("buffers2:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
p = html_get_string(HTML_BUFFERS - 2);
html_set(HTML_BUFFERS - 1);
html_indent(p);
html_set(HTML_BUFFERS - 2);
html_clear();
#ifdef DEBUG25
log_printf("buffers3:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
#ifdef DEBUG25
log_printf("html prettyprinter done.\n");
#endif
log_printf("exit dba_loop2()\n");
dba_loop2();
}get_params(), parse_string(), parse_filename() ja parse_extension()
Seuraavassa edellisen rutiinin käyttämät funktiot:
static unsigned char *dbs_html_get_params()
{
int ok = 0;
unsigned char *p = htmlin;
while(*p != '\0') {
if(!strncmp(p,"\r\n\r\n", 4)) {
p += 4;
ok = 1;
break;
}
p++;
}
if(ok)
return(p);
else
return(NULL);
}
static void dbs_html_parse_string(int buflen, char *buf, unsigned char **p2)
{
int len;
unsigned char *p;
p = *p2;
len = 0;
while(*p != '\0' && !isblank(*p) && *p != '\n' && *p != '\r') {
if(++len < buflen) {
*buf++ = *p;
}
p++;
}
*buf = '\0';
while(isblank(*p))
p++;
*p2 = p;
}
static void dbs_parse_filename(int buflen, char *buf, unsigned char *p)
{
int len;
unsigned char *n;
len = 0;
n = buf;
while(*p != '\0') {
if(*p == '/') {
n = buf;
len = 0;
} else {
if(++len < buflen)
*n++ = *p;
}
p++;
}
*n = '\0';
}
void dbs_parse_extension(int buflen, char *buf, unsigned char *p)
{
int len;
unsigned char *n;
len = 0;
n = buf;
while(*p != '\0') {
if(*p == '.') {
n = buf;
len = 0;
} else {
if(++len < buflen)
*n++ = *p;
}
p++;
}
*n = '\0';
}html_indent()
Ohjelma formatoi html-tekstin. Puskuri käydään läpi alusta loppuun ja jokaisen tagin kohdalla katsotaan löytyykö tagille pari (joko aloitus tai lopetus). Jos pari löytyy ja tagien välissä on toisia tagejä tehdään sisennys.
int indent;
int printedchars = 0;
#define aDEBUG28
void html_out_crlf()
{
if(printedchars) {
#ifdef DEBUG28
fprintf(stdout,"(%d)", indent * 8 + printedchars);
#endif
html_printf("\n");
#ifdef DEBUG28
fprintf(stdout,"\n");
#endif
for(int c = 0; c < indent; c++) {
html_printf("\t");
#ifdef DEBUG28
fprintf(stdout,"\t");
#endif
}
printedchars = 0;
}
}
#define aDEBUG31 2
void html_parse_name(int size, unsigned char *name, unsigned char **p2)
{
int count;
unsigned char *p, *n;
p = *p2;
count = 0;
n = name;
while(isalpha(*p) || isdigit(*p) || *p == '!') {
if(++count < size)
*n++ = *p;
p++;
count++;
}
*n = '\0';
#ifdef DEBUG31
fprintf(stdout,"[name:%s]", name);
#endif
}
#define aDEBUG36 2
#define aDEBUG37 2
void html_indent(unsigned char *p2) // 2021 JariK
{
int space, ch, tags, tagfound, intag, inchar;
unsigned char *p, *q, *q2, name[32], tag[48];
p = p2;
ch = 0;
indent = 0;
inchar = 0;
while(*p != '\0') {
space = 0;
while(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ') {
p++;
space = 1;
}
if(!strncmp(p,"<br>", 4)) {
p += 4;
html_printf("<br>");
#ifdef DEBUG36
fprintf(stdout,"<br>");
#endif
printedchars += 4;
while(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ')
p++;
#ifdef DEBUG36
fprintf(stdout,"[nextchar:%c]", *p);
#endif
if(strncmp(p,"</", 2))
html_out_crlf();
}
if(!strncmp(p,"</", 2)) { // Check for end tag
q2 = p;
p += 2;
q = p;
html_parse_name(sizeof(name), name, &q);
q = q2 - 1;
tags = 0;
tagfound = 0;
// Search for start tag backward
sprintf(tag,"<%s", name);
while(q >= p2) {
if(*q == '<') {
if(!strncmp(tag, q, strlen(tag))) {
#ifdef DEBUG36
fprintf(stdout,"[tag:%s]", tag);
#endif
tagfound = 1;
break;
} else
tags++;
}
q--;
}
if(tags && indent > 0) {
indent--;
#ifdef DEBUG36
fprintf(stdout,"[indent:%d]", indent);
fprintf(stdout,"[tagfound:%d]", tagfound);
#endif
html_out_crlf();
}
html_printf("</");
#ifdef DEBUG36
fprintf(stdout,"</");
#endif
space = 0;
intag = 1;
inchar = 0;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
printedchars += 2;
} else if(*p == '<') { // Check for start tag
p++;
q = p;
html_parse_name(sizeof(name), name, &q);
tags = 0;
tagfound = 0;
// Search for end tag forward
sprintf(tag,"</%s", name);
while(*q != '\0') {
if(*q == '<') {
if(!strncmp(tag, q, strlen(tag))) {
#ifdef DEBUG36
fprintf(stdout,"[tag:%s]", tag);
#endif
tagfound = 1;
break;
} else
tags++;
}
q++;
}
html_out_crlf();
if(tags && tagfound) {
indent++;
#ifdef DEBUG36
fprintf(stdout,"[indent:%d]", indent);
fprintf(stdout,"[tagfound:%d]", tagfound);
#endif
}
html_printf("<");
#ifdef DEBUG36
fprintf(stdout,"<");
#endif
space = 0;
intag = 1;
inchar = 0;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
printedchars++;
} else if((isprint(*p) || *p>=128) && *p!='\0') {
if(!inchar && !intag) {
inchar = 1;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
//html_out_crlf();
}
int count = 0;
for(q = p; (isprint(*q) || *q>=128) && *q!='\0'; q++) {
if(*q == '\r' || *q == '\n' || *q == '\t' || *q == ' ')
break;
#ifdef DEBUG36
fprintf(stdout,"%c", *q);
#endif
count++;
}
#ifdef DEBUG36
fprintf(stdout,"(%d)", count);
#endif
}
int chars = 0;
// calculate number of chars
q = p;
while((*q != '<' && (isprint(*q) || *q >= 128)) && *q != '\0') {
if(*q == '\r' || *q == '\n' || *q == '\t' || *q == ' ')
break;
if(*q < 0x80 || *q > 0xbf) // utf8 too
chars++;
if(*q == '>')
break;
q++;
}
// print line break if needed
if(indent * 8 + printedchars + chars > 100 && !intag) {
html_out_crlf(); // print nl+indent
space = 0;
}
// print space if needed
if(ch != '>' && // no space after tag
*p != '<' && // no space before tag
printedchars > 0 &&
space) {
html_printf(" ");
#ifdef DEBUG36
fprintf(stdout," ");
#endif
space = 0;
}
//print the string
while((*p != '<' && (isprint(*p) || *p >= 128)) && *p != '\0') {
if(*p == '>') {
intag = 0;
}
if(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ')
break;
ch = *p;
html_printf("%c", *p);
#ifdef DEBUG36
fprintf(stdout,"%c", *p);
#endif
printedchars++;
if(*p == '>') {
p++;
break;
}
p++;
}
#ifdef DEBUG36
fprintf(stdout,"(%d)", chars);
#endif
} //while(*p!='\0')
#ifdef DEBUG37
fprintf(stdout,"%s", html[html_now]);
#endif
}dba_loop()
Ohjelma tulostaa palvelimen palauttaman sivun. Tässä Hello world palvelimessa rutiini ei tee muuta. Sivu ei tässä vaiheessa ole muotoiltu oikein, dba_run_loop() muotoilee sen.
html_set(HTML_HEADER_BUFFER) jälkeiset rivit menevät html otsakkeeseen ja html_set(HTML_PAYLOAD_BUFFER) rivit ovat varsinainen html-scripti joka sisältää veppisivulle tulevan html:n.
popen() kappaleella tulostetaan newressulla satunnaisbittejä.
html_set(HTML_LAST_BUFFER) on viimeinen puskuri, johon tulostetaan vielä footteri ja </body> ja </html>. Välissä oleviin puskureihin voi tulostaa muita html kappaleita. Tässä niitä ei käytetä.
Lopuksi kirjoitetaan päiväys (date) otsakkeen loppuun.
static void dba_loop()
{
log_printf("entering dba_loop()\n");
log_printf("fetching cookies\n");
dbs_get_cookie("terttu_sessionid", sizeof(htmlsessionid), htmlsessionid);
log_printf("htmlsessionid: \"%s\"", htmlsessionid);
dbs_get_cookie("terttu_mode", sizeof(htmlmode), htmlmode);
log_printf(", htmlmode: \"%s\"\n", htmlmode);
dbs_get_cookie("terttu_language", sizeof(htmllanguage), htmllanguage);
log_printf(", htmllanguage: \"%s\"\n", htmllanguage);
log_printf("end fetching cookies\n");
html_set(HTML_HEADER_BUFFER);
html_printf("HTTP/1.0 200 OK\r\n");
html_printf("Location: \r\n");
html_printf("Server: %s\r\n", programname);
html_set(HTML_PAYLOAD_BUFFER);
html_printf("<!doctype html>\r\n");
html_printf("<html lang=\"fi\">");
html_printf("<head>");
html_printf("<meta charset=\"utf-8\">");
html_printf("<title>dbs3</title>");
html_printf("<meta name=\"author\" content=\"Jari Kuivaniemi\">");
html_printf("<meta name=\"copyright\" content=\"Jari Kuivaniemi\">");
html_printf("<meta name=\"format-detection\" content=\"telephone=no\">"); // Safari
html_printf("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">");
html_printf("</head>");
html_printf("<body>");
html_printf("<h1>Hello world!</h1>");
html_printf("<p>Tämä on artikkelin <a href=\"https://moijari.com?p=2990\">https://moijari.com?p=2990</a> testiohjelma.");
html_printf(" Ohjelma löytyy tästä linkistä <a href=\"https://moijari.com:5008\">https://moijari.com:5008</a>.</p>");
FILE *fp1;
unsigned char buffer[1024];
if((fp1 = popen("./newressu","r")) != NULL) {
html_printf("<code>");
while(fgets(buffer, sizeof(buffer), fp1) != NULL) {
html_printf("%s<br>", buffer);
}
html_printf("</code>");
pclose(fp1);
}
//html_printf("<p>Tämä on artikkelin https://moijari.com/?p=2990 testiohjelma.");
//html_printf(" Ohjelma löytyy linkistä https://moijari.com:5008/.</p>");
html_set(HTML_LAST_BUFFER);
html_clear();
dba_app_footer();
html_printf("</body>");
html_printf("</html>");
time_t now;
unsigned char timebuf[128];
html_set(HTML_HEADER_BUFFER);
now = time(NULL);
strftime(timebuf, sizeof(timebuf), HTMLTIMEFORMAT, gmtime(&now));
html_printf("Date: %s\r\n", timebuf);
}dbs_get_cookie()
Seuraavassa edellisen rutiinin käyttämä get_cookie():
void dbs_get_cookie(unsigned char *name, int valuelen, unsigned char *value)
{
int len;
unsigned char *p, *n;
value[0] = '\0';
p = htmlcookie;
while(*p != '\0') {
while(isblank(*p))
p++;
if(!strncmp(p, name, strlen(name))) {
p += strlen(name);
while(isblank(*p))
p++;
if(*p == '=')
p++;
while(isblank(*p))
p++;
n = value;
len = 0;
while(*p != ';' && (isprint(*p) || *p >= 0x80)) {
if(++len < valuelen)
*n++ = *p;
p++;
}
*n = '\0';
return;
}
while(*p != ';' && *p != '\n' && *p != '\0')
p++;
if(*p == ';')
p++;
while(isblank(*p))
p++;
}
}dba_loop2()
Rutiini on jatkoa edelliselle loop rutiinille siinä mielessä että tässä on käytössä formatoitu versio html scriptistä. Rutiini laskee html otsakkeeseen merkkien määrän ja laskee sha256 tiivisteen. Merkkien määrän ja sha256:n laskemisessa ei lasketa otsakkeen merkkejä, ja tulokset laskennasta sijoitetaan otsakkeeseen (HTML_HEADER_BUFFER).
Lopuksi kirjoitetaan otsakkeen ja payload:in välinen merkkisarja “\r\n\r\n”.
static void dba_loop2()
{
int c, len;
log_printf("entering dba_loop2()\n");
html_set(HTML_HEADER_BUFFER);
len = strlen(html_get_string(1)) +
strlen(html_get_string(2)) +
strlen(html_get_string(3)) +
strlen(html_get_string(4)) +
strlen(html_get_string(5)) +
strlen(html_get_string(6)) +
strlen(html_get_string(7)) +
strlen(html_get_string(8));
html_printf("Content-Length: %d\n", len);
unsigned char hash[HashLen];
HashCtx ctx;
#define DEBUG46 2
#ifdef DEBUG46
FILE *fp1;
char *filename = "dbs3sha.deb";
if((fp1 = fopen(filename, "w")) == NULL) {
log_errprintf("%s: cannot open file %s\n", procname, filename);
exit(1);
}
#endif
HashInit(&ctx);
for(c = 1; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)) > 0) {
HashUpdate(&ctx, html_get_string(c), strlen(html_get_string(c)));
//fprintf(stdout,"%d \"%s\"\n", c, html_get_string(c));
#ifdef DEBUG46
fwrite(html_get_string(c), strlen(html_get_string(c)), 1, fp1);
#endif
}
}
HashFinal(hash, &ctx);
#ifdef DEBUG46
fclose(fp1);
#endif
html_printf("SHA256: ");
for(c = 0; c < sizeof(hash); c++) {
html_printf("%02x", hash[c]);
}
html_printf("\n");
html_printf("\r\n\r\n");
log_printf("exiting dba_loop2()\n");
}Virheilmoitukset lokiin
Aiemmin lokit tulostettiin vain stderr tiedostoon. Tein muutokset, joilla ne päätyvät myös dbs3.log:iin ja dbs3pid*.log:iin. Aiemmin virheilmoitukset toimivat näin:
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
fprintf(stderr,"%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}Uudessa versiossa koodi muutetaan näin:
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
log_errprintf("%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}Vielä koodimuutokset:
void log_wait(); // cross-use with log_printf() routines
void log_post();
void log_printf_valist(FILE *fp1, const char *format, va_list ap) // JariK 2025
{
int count;
static char *printbuf = NULL;
static int printbuf_len = 0;
static int printtime = 1;
va_list ap2;
va_copy(ap2, ap);
count = vsnprintf(printbuf, printbuf_len, format, ap) + 1;
if(printbuf_len < count) {
printbuf_len = count;
printbuf = realloc(printbuf, printbuf_len);
count = vsnprintf(printbuf, printbuf_len, format, ap2) + 1;
}
// print all characters from printbuf.
// print all characters to log adding time and date.
fputs(printbuf, fp1);
FILE *fp2;
if((fp2 = fopen(log_filename, "a")) != NULL) {
if(printtime) {
time_t now = time(NULL);
unsigned char timestamp[32];
log_wait(); // JariK 2025
strftime(timestamp, sizeof(timestamp), "%Y%m%d%H%M%S%Z", localtime((time_t *)&now));
fputs(timestamp, fp2);
fputc(' ', fp2);
printtime = 0;
}
fputs(printbuf, fp2);
fclose(fp2);
if(printbuf[strlen(printbuf) - 1] == '\n') {
printtime = 1;
log_post(); // JariK 2025
}
}
if(log_mode == 2) {
if((fp2 = fopen(log_childfile, "a")) != NULL) {
fputs(printbuf, fp2);
fclose(fp2);
}
}
}
void log_printf(const char *format, ...) // JariK 2025
{
va_list args;
va_start(args, format);
log_printf_valist(stdout, format, args);
//fprintf(stdout,format, args);
va_end(args);
}
void log_errprintf(const char *format, ...) // JariK 2025
{
va_list args;
va_start(args, format);
log_printf_valist(stderr, format, args);
//fprintf(stdout,format, args);
va_end(args);
}SSL yhteyden avainten vaihto
Rutiini tarkistaa onko ssl avaimet vaihtuneet, ja jos on palauttaa tiedon palvelimelle:
static int https_keyschange_needed() // 2025 JariK
{
unsigned char cert_digest2[HashLen];
unsigned char privatekey_digest2[HashLen];
dbs_file_digest(cert_file, cert_digest2);
dbs_file_digest(privatekey_file, privatekey_digest2);
log_dump("cert", 32, cert_digest2, 32); // first 32 bytes
log_dump("private", 32, privatekey_digest2, 32); // first 32 bytes
if(memcmp(cert_digest, cert_digest2, sizeof(cert_digest2)) ||
memcmp(privatekey_digest, privatekey_digest2, sizeof(privatekey_digest2)))
return(1);
else
return(0);
}Palvelimen koodi:
for(;;) {
log_mode = 1;
if(quit) {
break;
}
if(https_keyschange_needed())
reset = 1;
if(reset) {
if(ctx != NULL) {
log_printf("SSL_CTX_free()\n");
SSL_CTX_free(ctx);
}
if(s != -1)
close(s);
log_printf("server_https_init()\n");
ctx = server_https_init();
log_printf("server_basic_socket()\n");
s = server_basic_socket();
reset = 0;
}
...
}
}server_https_init() luuppaa kunnes avainten asetuksen alun ja lopun tiedostotiivisteet ovat koko muutoksen ajan samanlaiset, ja tallettaa viimeiset tiivisteet _digest loppuisiin kenttiin. Luuppaus on siltä varalta että avaimet eivät ole vielä täysin muuttuneet: näin saadaan molemmat avaimet varmasti samasta avainpäivityksestä.
static SSL_CTX *server_https_init()
{
...
for(;;) { // 2025 JariK
dbs_file_digest(cert_file, cert_digest2); // save before change digests
dbs_file_digest(privatekey_file, privatekey_digest2);
log_printf("SSL_CTX_use_certificate_file()\n");
if(SSL_CTX_use_certificate_file(ctx, cert_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_certificate_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
log_printf("SSL_CTX_use_PrivateKey_file()\n");
if(SSL_CTX_use_PrivateKey_file(ctx, privatekey_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_PrivateKey_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
dbs_file_digest(cert_file, cert_digest3); // save after change digests
dbs_file_digest(privatekey_file, privatekey_digest3);
// redo if before stamps are different from after stamps
if(memcmp(cert_digest2, cert_digest3, sizeof(cert_digest3)) ||
memcmp(privatekey_digest2,privatekey_digest3, sizeof(privatekey_digest3)))
continue;
memcpy(cert_digest, cert_digest2, sizeof(cert_digest2));
memcpy(privatekey_digest, privatekey_digest2, sizeof(privatekey_digest2));
log_dump("cert", 32, cert_digest, 32); // first 32 bytes
log_dump("private", 32, privatekey_digest, 32); // first 32 bytes
break;
}
...
}Ikonit palauttaa virheilmoituksen
Jos asiakas pyytää tiedoston, jonka pääte (extension) on “.ico” tai “.png”, palautetaan virheilmoitus:
static void dba_loop()
{
....
log_printf("entering dba_loop()\n");
if(!strcmp(htmlfileextension,"ico") ||
!strcmp(htmlfileextension,"png")) {
html_clear_all();
html_set(HTML_HEADER_BUFFER);
html_printf("HTTP/1.0 404 ERROR\r\n");
html_printf("Location: \r\n");
html_printf("Server: %s\r\n", programname);
return;
}
log_printf("fetching cookies\n");
....
}Https_client()
Kirjoitin https_client rutiinin uudestaan. Uudesta versiosta tuli toivottavasti luettavampi: Uusi versio käyttää kahta puskuria, kun entisessä versiossa oli vain yksi. Vanha versio on #ifdef OLD1:ssä.
static void https_client(int news, SSL_CTX *ctx, struct sockaddr_in sa_cli, int addr_size, char *name) // JariK 2025, 2022
{
int status, ok;
unsigned char buffer10[10], buffer[512];
SSL *ssl;
X509 *peer_cert;
unsigned long long useconds;
useconds = dbs_get_useconds();
ok = 1;
dbs_server_vars(sa_cli, addr_size, name);
log_printf("SSL_new()\n");
if((ssl = SSL_new(ctx)) == NULL) {
log_errprintf("\n%s: cannot SSL_new()", procname);
}
log_printf("SSL_set_fd()\n");
if(SSL_set_fd(ssl, news) != 1) {
log_errprintf("\n%s: cannot SSL_set_fd()\n", procname);
}
log_printf("SSL_accept()\n");
if((status = SSL_accept(ssl)) < 0) {
log_errprintf("%s: cannot SSL_accept(), retval: %d\n", procname, status);
}
log_printf("SSL_get_peer_certificate()");
peer_cert = SSL_get_peer_certificate(ssl);
if(peer_cert == NULL) {
log_printf(", No peer certificate");
}
log_printf("\n");
int clen = 0;
int reads = 0;
int first = 1, tries = 0;
int bytes, totalbytes = 0;
htmlparams = NULL;
htmlin[0] = '\0';
while(htmlparams == NULL || clen - strlen(htmlparams) > 0) {
log_printf("SSL_read()\n");
if((bytes = SSL_read(ssl, buffer, sizeof(buffer))) < 0) {
int errerrno, err, err2;
errerrno = errno;
err = SSL_get_error(ssl, bytes);
err2 = ERR_get_error();
log_errprintf("SSL_read()");
log_errprintf(", retval %d", bytes);
log_errprintf(", errno: %d", errerrno);
log_errprintf(", SSL_get_error(): %d", err);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
if(++tries >= 5) {
ok = 0;
break;
}
usleep(1024 * 512 / 5);
continue;
}
reads++;
if(bytes == 0)
break;
if(htmlinlen < totalbytes + bytes + 1) {
htmlinlen = totalbytes + bytes + 1;
htmlin = realloc(htmlin, htmlinlen);
}
memcpy(htmlin + totalbytes, buffer, bytes);
totalbytes += bytes;
*(htmlin + totalbytes) = '\0';
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(htmlparams != NULL && !strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length",
sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf("\n");
log_printf("%s\n", htmlin);
strncpy(htmlsslcipher, SSL_get_cipher(ssl), sizeof(htmlsslcipher));
if(ok)
dbs_run_loop();
if(ok) {
log_printf("buffers(ssl):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
log_printf("SSL_write()\n");
if((status = SSL_write(ssl, html_get_string(c), strlen(html_get_string(c)))) < 1) {
log_errprintf("%s: cannot SSL_write(), buffer %d, status: %d, SSL error: %d\n",
procname, c, status, SSL_get_error(ssl, status));
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n", html_get_string(c));
}
}
log_printf("SSL connection using %s\n", htmlsslcipher);
log_printf("dbs_query_vars()\n");
dbs_query_vars();
log_printf("SSL_free()\n");
SSL_free(ssl);
}html_client()
Kirjoitin samaan tapaan uudestaan myös html_client():in:
static void http_client(int news, struct sockaddr_in sa_cli, int addr_size, char *name) // JariK 2025, 2022
{
int ok;
unsigned char buffer10[10], buffer[512];
int clen = 0;
int reads = 0;
int first = 1, tries = 0;
int bytes, totalbytes = 0;
htmlparams = NULL;
htmlin[0] = '\0';
ok = 1;
dbs_server_vars(sa_cli, addr_size, name);
while(htmlparams == NULL || clen - strlen(htmlparams) > 0) {
log_printf("read()\n");
if((bytes = read(news, buffer, sizeof(buffer))) < 0) {
log_errprintf("%s: cannot read()\n", procname);
perror("read");
//fflush(stderr);
if(++tries >= 5) {
ok = 0;
break;
}
usleep(1024 * 512 / 5);
continue;
}
reads++;
if(bytes == 0)
break;
if(htmlinlen < totalbytes + bytes + 1) {
htmlinlen = totalbytes + bytes + 1;
htmlin = realloc(htmlin, htmlinlen);
}
memcpy(htmlin + totalbytes, buffer, bytes);
totalbytes += bytes;
*(htmlin + totalbytes) = '\0';
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(htmlparams != NULL && !strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length",
sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf("\n");
log_printf("%s\n", htmlin);
if(ok)
dbs_run_loop();
if(ok) {
log_printf("buffers(html):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
if((bytes = write(news, html_get_string(c), strlen(html_get_string(c)))) == -1) {
log_errprintf("%s: cannot write() dbs_html[%d]\n", procname, c);
perror("write");
//fflush(stderr);
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n",html_get_string(c));
}
log_printf("\n");
}
log_printf("dbs_query_vars()\n");
dbs_query_vars();
}Väliaika: uusi pseudosatunnaisuutta arpova funktio pseudorandom_bytes()
Välikkeenä tuli mieleeni uusi näennäissatunnaisuutta muodostava funktio pseudorandom_bytes(). Pseudoressu_bytes() saa satunnaisuuden ressusta, joka tekee kellojonosta “oikeaa satunnaisuutta”. Pseudorandom_bytes() saa satunnaisuuden kellonajoista ja pätkistä kellojonoa. Tuotettava materiaali ressussa on kokonaisuudessaan satunnainen, tässä vähän satunnaisuutta sisältävää materiaalia syötetään sha256 funktioon, ja sha256:lla materiaalista tehdään satunnaista.
Kaksi ensimmäistä funktiota lukevat kelloa, ja palauttavat tarvittavat bitit: pseudorandom_useconds() palauttaa tämän hetken kellonajan ja päiväyksen mikrosekunteina ja pseudorandom_lowusec() palauttaa mikrosekuntien alimmat 8 bittiä.
Pseudorandom_internalbytes() palauttaa avaimen perusteella 32 merkkiä satunnaisuutta. Pseudorandom_topup() lisää avaimeen satunnaisuutta käyttäen alun kello-funktioita.
Pseudorandom_bytes() on varsinainen satunnaisuusfunktio. Se käyttää edellisiä ja muodostaa halutun pituisen satunnaismerkkisarjan.
Pseudorandom_key sisältää avaimen, johon satunnaisuutta lisätään kellojonosta, ja toisaalta käytetään satunnaisbittien arpomiseen.
#define aDEBUG15 2
unsigned long long pseudorandom_useconds()
{
struct timeval tv;
gettimeofday(&tv, NULL);
#ifdef DEBUG15
fprintf(stdout,"usec:%ld(%ld)", tv.tv_usec, (unsigned long)sizeof(tv.tv_usec));
fprintf(stdout,", sec:%ld(%ld)", tv.tv_sec, (unsigned long)sizeof(tv.tv_sec));
fprintf(stdout,", total:%ld", tv.tv_usec + 1000000 * tv.tv_sec);
fprintf(stdout,", total1(ll):%lld", (unsigned long long)tv.tv_usec + 1000000 * tv.tv_sec);
fprintf(stdout,", total2(ll):%lld", (unsigned long long)tv.tv_usec + 1000000ULL * (unsigned long long)tv.tv_sec);
fprintf(stdout,", sizeof(ull):%ld", (unsigned long)sizeof(unsigned long long));
fprintf(stdout,"\n");
#endif
return((unsigned long long) tv.tv_usec + 1000000ULL * (unsigned long long) tv.tv_sec);
}
unsigned char pseudorandom_lowusec()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return(tv.tv_usec & 0xff);
}
static unsigned char pseudorandom_key[HashLen]; // 32 bytes, 256 bits
static void pseudorandom_internalbytes(unsigned char *digest)
{
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudorandom_key, sizeof(pseudorandom_key));
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
HashFinal(digest, &hash);
memset(&hash, 0, sizeof(hash)); // forget hash
}
#define DEBUG16A 2
#define aDEBUG17 2
#define PSEUDORANDOM_RANDOMNESS_NEEDED 256 // now 125
#define PSEUDORANDOM_MINIMUM_ROUNDS 64 // now 32
static void pseudorandom_topup()
{
int c, d, randomness = 0;
unsigned long long usec;
unsigned char buffer[128];
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudorandom_key, sizeof(pseudorandom_key)); // include old randomness
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
for(c = 0; c < PSEUDORANDOM_MINIMUM_ROUNDS ||
randomness < PSEUDORANDOM_RANDOMNESS_NEEDED; c++) {
usec = pseudorandom_useconds();
#ifdef DEBUG16A
fprintf(stdout,"%02d %llx ", c, usec);
#endif
HashUpdate(&hash, (unsigned char *)&usec, sizeof(usec));
randomness++; // calculate bit for full time
randomness++; // calculate first
memset(&buffer, 0, sizeof(buffer));
for(d = 0; d < sizeof(buffer); d++) {
buffer[d] = pseudorandom_lowusec();
if(d > 0 && buffer[d] != buffer[d - 1])
randomness++; // calculate rest
}
#ifdef DEBUG16A
for(d = 0; d < sizeof(buffer); d++)
fprintf(stdout,"%02x", buffer[d]);
fprintf(stdout,"\n");
fflush(stdout);
#endif
HashUpdate(&hash, (unsigned char *)&buffer, sizeof(buffer));
}
HashFinal(pseudorandom_key, &hash); // save as new key
#ifdef DEBUG16A
fprintf(stdout,"randomness:%d\n", randomness);
#endif
memset(&hash, 0, sizeof(hash)); // forget hash
}
#define PSEUDORANDOM_TOPUP_BYTES 32*1024 // bytes between topups
#define aPSEUDORANDOM_TOPUP_TWICE 2
void pseudorandom_bytes(int size, unsigned char *buffer) // JariK 2025
{
int c;
static int pseudorandom_pos = 0, topup_counter = 0;
static unsigned char pseudorandom[HashLen]; // 32 bytes, 256 bits
for(c = 0; c < size; c++) {
if(pseudorandom_pos == 0) {
if(topup_counter == 0) {
pseudorandom_topup(); // add randomness to key, first block also
#ifdef PSEUDORANDOM_TOPUP_TWICE
pseudorandom_topup(); // add randomness to key, first block also
#endif
topup_counter = PSEUDORANDOM_TOPUP_BYTES;
} // end of if(topup_counter == 0
pseudorandom_internalbytes(pseudorandom); // get random bits using the key
#ifdef DEBUG17
ressu_dump("next data", sizeof(pseudorandom), pseudorandom, 32);
#endif
topup_counter -= sizeof(pseudorandom);
} // end of if(pseudorandom_pos == 0
buffer[c] ^= pseudorandom[pseudorandom_pos];
pseudorandom_pos = (pseudorandom_pos + 1) % sizeof(pseudorandom);
} // end of for(c = 0; c < size; c++
pseudorandom_internalbytes(pseudorandom_key); // replace key with new random one
}Seuraavassa lista DEBUG16 testiä: tässä jono, josta pseudorandom_bytes():in satunnaisuus tässä ajossa tulee. Ensimmäinen sarake on rivinumero, toinen sarake on kokonainen kellonaika mikrosekunteineen mikrosekunteina, ja kolmas sarake sisältää 128 näytettä mikrosekuntien alimmasta merkistä.
Tässä ratkaistaan kahta jo ressusta tuttua ongelmaa. Ensimmäisessä yritetään päätellä kuinka paljon satunnaisuutta seuraavassa merkkijonossa on. Tässä on laskettu 1 bitti satunnaisuutta kokonaisesta kellonajasta (alimman mikrosekuntien bitin katsotaan olevan satunnainen). Yksi bitti satunnaisuutta lisätään jokaisesta kolmannen sarakkeen näytesarjasta. Ohjelmassa satunnaisuuden rajaksi katsotaan edellisten sääntöjen mukaan 256 (ennen 125) bittiä. Tässä kellojonon sarjat ovat lyhyitä (hidas kone), joten satunnaisuuden määräksi on saatu 3110 bittiä.
Toisessa ongelmassa yritetään päätellä onko kellojono mahdollista arvata. Tässä uusi versio käy läpi 8 kiloa kellojonoa, ja ressu käy jo ensimmäisellä kierroksella 16 kiloa kellojonoa. Tässä hitaassa koneessa ressukierroksia tehtiin 11, joten ressu on vaikeampi arvattava.
Kolmantena ongelmana voi miettiä ovatko RANDOMNESS_NEEDED ja MINIMUM_ROUNDS tarpeeksi suuria. Randomness needed:in suurentamista rajoittaa tässä hashin koko. Voi aiheuttaa hilpeyttä, jos sanoo tallentavansa 1024 bittiä satunnaisuutta 256 bittiseen puskuriin. Ressussa puskuri on 2048 merkkiä, joten sinne mahtuu satunnaisuutta 16 kilobittiä. Toinen rajoittava tekijä on suoritusaika, ressu suoriutuu kellojonon käsittelystä nopeammin kun sha256. Toisaalta enemmän randomness needed:iä merkitsee vaikeampaa arvattavuutta.
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63 63f39ace69897 181919191a1a1a1b1b1c1c1c1d1d1d1e1e1e1f1f202020212121222223232324242425252526262727272828282929292a2a2b2b2b2c2c2c2d2d2e2e2e2f2f2f3030303131323232333333343434353536363637373738383939393a3a3a3b3b3b3c3c3d3d3d3e3e3e3f3f3f4040414141424242434343444445454546464647
randomness:3110Tässä vielä –dieharder testilista kolmen gigan kokoisella tiedostolla: Tuloksena vain yksi weak, ei yhtään failed:ia. Huomaa että jostain syystä sha256:t eivät täsmää kirjoitetussa tiedostossa.. (raspberry pi 500 + sd)
$ ./newressu --pseudorandom --sample --dieharder
blocksize:393216(384K), blocks:8192(8K), filesize:3221225472(3G)
./newressu: sample(): writing file, filename:newressusample28.rnd
mbinblocks:2
wrote 3.00GB, 7.22MB/sec, took 07m // ||||// |||| ---
./newressu: sample(): hashing file, filename:newressusample28.rnd, hashfilename:newressusample28.rnd.sha256, sha256:42eaf96585934b1ec4fd3b1b862d6781843548592550d44944e0c7fc02a69c99
./newressu: sample(): checking sha256, filename:newressusample28.rnd, command:'sha256sum newressusample28.rnd'
dd06b21bf93160ce1806e6206db001a730f46c1b7d10af580c8fadd4c66df4d9 newressusample28.rnd
./newressu: sample(): running dieharder "dieharder -a -g 201 -f newressusample28.rnd > newressusample28.rnd.dieharder 2>&1"
./newressu: sample(): grepping dieharder problems "grep "WEAK\|FAILED" newressusample28.rnd.dieharder"
diehard_2dsphere| 2| 8000| 100|0.99995105| WEAK
./newressu: sample(): calculating WEAK lines, lines = 1, "grep WEAK newressusample28.rnd.dieharder"
./newressu: sample(): calculating FAILED lines, lines = 0, "grep FAILED newressusample28.rnd.dieharder"
./newressu: sample(): grepping last rewound count "grep rewound newressusample28.rnd.dieharder | tail -n1"
# The file file_input_raw was rewound 114 times
./newressu: sample(): removing file newressusample28.rnd
$ Vielä läppärillä ajetut dieharder testit (näissä sha256:t täsmäsivät):
'input' = "pseudorandom", 'filesize' = "500m", 'filename' = "newressusample2713.rnd", 'weak' = "9", 'failed' = "1"
'input' = "pseudorandom", 'filesize' = "600m", 'filename' = "newressusample2714.rnd", 'weak' = "4", 'failed' = "1"
'input' = "pseudorandom", 'filesize' = "700m", 'filename' = "newressusample2715.rnd", 'weak' = "2", 'failed' = "2"
'input' = "pseudorandom", 'filesize' = "800m", 'filename' = "newressusample2716.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "900m", 'filename' = "newressusample2717.rnd", 'weak' = "2", 'failed' = "1"
'input' = "pseudorandom", 'filesize' = "1g", 'filename' = "newressusample2718.rnd", 'weak' = "6", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g100m", 'filename' = "newressusample2719.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g200m", 'filename' = "newressusample2720.rnd", 'weak' = "4", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g300m", 'filename' = "newressusample2721.rnd", 'weak' = "4", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g400m", 'filename' = "newressusample2722.rnd", 'weak' = "4", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g500m", 'filename' = "newressusample2723.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g600m", 'filename' = "newressusample2724.rnd", 'weak' = "2", 'failed' = "1"
'input' = "pseudorandom", 'filesize' = "1g700m", 'filename' = "newressusample2725.rnd", 'weak' = "7", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g800m", 'filename' = "newressusample2726.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "1g900m", 'filename' = "newressusample2727.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "2g", 'filename' = "newressusample2728.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "3g", 'filename' = "newressusample2729.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "4g", 'filename' = "newressusample2730.rnd", 'weak' = "0", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "5g", 'filename' = "newressusample2731.rnd", 'weak' = "6", 'failed' = "0"
'input' = "pseudorandom", 'filesize' = "6g", 'filename' = "newressusample2732.rnd", 'weak' = "5", 'failed' = "0"En malttanut olla kokeilematta miltä näyttäisi, jos topup rivin tekisi ressulla. Se on kuitenkin sen verran erilainen toimintatapa, että päätin tehdä tästä ressuversiosta toisen näytöksen. Tässä ressua käyttävä pseudorandom lähdekoodi:
#define aDEBUG15 2
static unsigned long long pseudorandom_useconds()
{
struct timeval tv;
gettimeofday(&tv, NULL);
#ifdef DEBUG15
fprintf(stdout,"usec:%ld(%ld)", tv.tv_usec, (unsigned long)sizeof(tv.tv_usec));
fprintf(stdout,", sec:%ld(%ld)", tv.tv_sec, (unsigned long)sizeof(tv.tv_sec));
fprintf(stdout,", total:%ld", tv.tv_usec + 1000000 * tv.tv_sec);
fprintf(stdout,", total1(ll):%lld", (unsigned long long)tv.tv_usec + 1000000 * tv.tv_sec);
fprintf(stdout,", total2(ll):%lld", (unsigned long long)tv.tv_usec + 1000000ULL * (unsigned long long)tv.tv_sec);
fprintf(stdout,", sizeof(ull):%ld", (unsigned long)sizeof(unsigned long long));
fprintf(stdout,"\n");
#endif
return((unsigned long long) tv.tv_usec + 1000000ULL * (unsigned long long) tv.tv_sec);
}
static unsigned char pseudorandom_lowusec()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return(tv.tv_usec & 0xff);
}
static unsigned char pseudorandom_key[HashLen]; // 32 bytes, 256 bits
static void pseudorandom_internalbytes(unsigned char *digest)
{
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudorandom_key, sizeof(pseudorandom_key));
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
HashFinal(digest, &hash);
memset(&hash, 0, sizeof(hash)); // forget hash
}
static int randomness = 0;
#define RESSU_ROTATELEFT8(byte, bits) ( ((byte) >> (8 - (bits))) | ((byte) << (bits)) )
static void pseudorandom_ressuround(int size, unsigned char *buffer) // ressu JariK 2013
{
int c, d, byte;
unsigned char e;
static int f = 0, prevbyte = -1;
for(c = 0; c < 8; c++) { // eight bits per byte
for(d = 0; d < size; d++) { // rotate + xor
e = buffer[d];
e = RESSU_ROTATELEFT8(e, 1); // rotate byte left 1 bits
byte = pseudorandom_lowusec();
buffer[d] = e ^ byte;
if(prevbyte != byte) {
prevbyte = byte;
randomness++;
}
}
for(d = 0; d < size; d++) { // swap
f = (f + buffer[d] + 2) % size;
e = buffer[d];
buffer[d] = buffer[f];
buffer[f] = e;
}
}
}
#define DEBUG16A 2
#define aDEBUG17 2
#define PSEUDORANDOM_RANDOMNESS_NEEDED 256 // now 256, bits in hash
#define PSEUDORANDOM_MINIMUM_ROUNDS 16 // now 16
#define PSEUDORANDOM_BUFFER_SIZE 128 // now 128
#define PSEUDORANDOM_CLOCKS_NEEDED 20480 // now 20480
static void pseudorandom_topup()
{
int c, clocksused = 0;
static int initneeded = 1;
unsigned long long usec;
static unsigned char buffer[PSEUDORANDOM_BUFFER_SIZE];
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudorandom_key, sizeof(pseudorandom_key)); // include old randomness
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
if(initneeded) { // clear buffer once in the beginning
memset(&buffer, 0, sizeof(buffer));
initneeded = 0;
}
clocksused = 0;
randomness = 0;
for(c = 0; c < PSEUDORANDOM_MINIMUM_ROUNDS ||
randomness < PSEUDORANDOM_RANDOMNESS_NEEDED ||
clocksused < PSEUDORANDOM_CLOCKS_NEEDED
; c++) {
usec = pseudorandom_useconds();
#ifdef DEBUG16A
fprintf(stdout,"%02d %llx ", c, usec);
#endif
HashUpdate(&hash, (unsigned char *)&usec, sizeof(usec));
randomness++; // calculate bit for full time
pseudorandom_ressuround(sizeof(buffer), buffer);
clocksused += (sizeof(buffer) * 8);
#ifdef DEBUG16A
for(int d = 0; d < sizeof(buffer); d++)
fprintf(stdout,"%02x", buffer[d]);
fprintf(stdout,"\n");
fflush(stdout);
#endif
HashUpdate(&hash, (unsigned char *)&buffer, sizeof(buffer));
}
//HashUpdate(&hash, (unsigned char *)&buffer, sizeof(buffer));
HashFinal(pseudorandom_key, &hash); // save as new key
#ifdef DEBUG16A
fprintf(stdout,"randomness:%d", randomness);
fprintf(stdout,", clocksused:%d\n", clocksused);
#endif
memset(&hash, 0, sizeof(hash)); // forget hash
}
#define PSEUDORANDOM_TOPUP_BYTES 32*1024 // bytes between topups
#define aPSEUDORANDOM_TOPUP_TWICE 2
void pseudorandom_bytes(int size, unsigned char *buffer) // JariK 2025
{
int c;
static int pseudorandom_pos = 0, topup_counter = 0;
static unsigned char pseudorandom[HashLen]; // 32 bytes, 256 bits
for(c = 0; c < size; c++) {
if(pseudorandom_pos == 0) {
if(topup_counter == 0) {
pseudorandom_topup(); // add randomness to key, first block also
#ifdef PSEUDORANDOM_TOPUP_TWICE
pseudorandom_topup(); // add randomness to key, first block also
#endif
topup_counter = PSEUDORANDOM_TOPUP_BYTES;
} // end of if(topup_counter == 0
pseudorandom_internalbytes(pseudorandom); // get random bits using the key
#ifdef DEBUG17
ressu_dump("next data", sizeof(pseudorandom), pseudorandom, 32);
#endif
topup_counter -= sizeof(pseudorandom);
} // end of if(pseudorandom_pos == 0
buffer[c] ^= pseudorandom[pseudorandom_pos];
pseudorandom_pos = (pseudorandom_pos + 1) % sizeof(pseudorandom);
} // end of for(c = 0; c < size; c++
pseudorandom_internalbytes(pseudorandom_key); // replace key with new random one
}Tässä topup lista DEBUG16:lla. Tässä kolmas sarake on muodostettu ressulla, ja se näyttää jo valmiiksi ihan hyvältä satunnaisuudelta.
00 63f4e6cee66a1 a6f68699fa49690a28651700043879ebc858d0cda539fe19b9442adf5445e1b493e37a3a11fb1a7e976117c3027abae164355f04c244b3f7ac19201ab846352a492af825ffc148dacb44a809ae3458db66dd88aedacba7394e8457a2f146dcc81fa82005bce06779b17cb138faeb89321a4d5c09576d916be36b8a9581a0c9ac
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02 63f4e6cee6a39 b3c3c416c2baa7e0eef7214ddebb8cf8a40756601a1178ed90f563f824b74b202764003b5b887c56d9a8fec743a3a911303e849711c2acb6a3a9b1d0e20e429ecaa0a1c7b3d764064047b03e34a5ae2d504209fb21358c6592f63969a676120d17b122e4501e7e6d0739d808d4e0697ca8befe9de9951a181e06be8d1b295a86
03 63f4e6cee6be9 2d1eb50fc54a468189b8f7049df010ee81aba4ce8e6db29ee4615eb6b15f5a2657be3652dd81cc66102b7cdda5a8a18a8f8bcc9d4460dbe0f93c40e0561fd85c9f3f7308af08dc55e447008045b9b0cac149dc8590b3a18af358d25e41e976b94421813740a16a560a5643651413cb47159b527a00b312b4dc6888e1206c0e2a
04 63f4e6cee6d9b 051af40947eb7ba5037262dc40935f3d7f02f2c25e775644e2aebdacf4865c90731fe072a0ce8a0e2aeaeeb6ef28c96997c80de00ff3375d51cb1fea375935422a21e50df950f5ed5f52236059c4036679c8f037c98f43eb3ab9f90eb5cbb879ae5f087b456f40bdbbfa3633464bd326d1afbec167b9a199c2a036690cffa7dd
05 63f4e6cee6f4a c535207d0d133e2c930037944edbbeb956e0917cf152139f3dbede36be0fdf17dc76a568662b0b90b50643276dbe31b5abbdae37c1ef2f5a3b45e5e35fca4d2acc6aefcfa31d7f26d4e8ee4b5cbbc705ee3932f43e25f89079e57da973da1161972db8edc826cfeb19639653b4e5026cead6db0d815f5f5ddc0946ac66e4c790
06 63f4e6cee70fa fbaf9286688dbd94a5b5067d406b290d488f5cf0449c29fcb8f05cad9ff2919d651f57d66363ee5876b9819220e2d40f4af45353dabf5179bd585df010f26fcbd82f9b4cf38a64233759a6efe476c0db702324fc64f7b2a89f09499b5a5fd850282a298806da7bb47d150dd4195f95393c8aea0ece4035bbc67b546cbfd8622f
07 63f4e6cee72cb b8027450001266641961f04b08926937092e81f0fdfae49797e2b2599626e77d85712fd8c327cbf8ab376dc4eaa8b512d0fc78bad8c90221eb9fd858019d15c9092535f06a781529ce3b9f96431a552f34627a4d8d66d52de01015752de285f2c97781e0b9e96d1ac3f8d5daa56a85054bebff652ce70584737b1d74b58d37ae
08 63f4e6cee747b 01da9853f8db51300d0141a2c7b26e443b7757d4305b2385fb0a218d1f961a2961e9accfc304d28b019f220f242ffe4d186fdc7801b83ef7d39cbcb99636de54b6a2bcebfc8c377b4a08e2b3738aa8094ef504faaa6fcc26f1e196c0fe4048abe7535555121bbe2cbfd37ec9707cf2737c4a6182c26fd94f679baca31a3ca4d4
09 63f4e6cee762a dd4f7daf14fba5ea7a92cd27ac54b87e2d2f4ea56edf02c590b9223e379063f0dfa333195c714369804a43dba9aa423c65896267cde7dac11111a9fea70cbbff9aa95b60879c983e46cfd40cbcd512e1e14fad0c201f283d57b308e50334a7ccafc880ccab8549ebd0e325009f1d6146f17bb29eb746c9abbab01a4e8d4abe3b
10 63f4e6cee77d8 623a0175156764d064b2fae49bab787bdd0760250c2c4338a49f646ab6f36289630113533c77bd0c06c4885b0b6abc422f181348ccbdc84acb7777d2904c0930b26fd9acbb8929e15533cb181e70fb7e6e6d7847b9cf448a9c0dcecde8aba3c7f0d7c3c943efe0100b02ecfa9abc7b60c18041934b77bcdc1aed84173cf90488
11 63f4e6cee7987 6aaf9fb95bdd8f4a72ff719664241ec5dd74acf88f4629f35c243c0ab45ddf62b809528ff7a6bd353989bd76423e204cc45c59d1bfb2483548e49fdd4c4023714d4803963e089c7a30bbefbf628cfcf8b8bf376da7be46c043755a1ef58237bb57c06902c0ea0f8db80b9640296332c2bc25cdef7077e3902c9de3660b1dcef7
12 63f4e6cee7b37 5473cb163b217ce0da8cf1b0557e4435109dfd157ff6269230aca932c6c3cfb6da6527aa367c988babd4715699d1575caa9a11562da96ef0ba1b70499e835dad8c3bd0c8b5a5d3f76b0026132091ea32f1ba9b22a05659d4052e6e485ba4a69069e5d69ea50dfdf87859429208e697a316d51a30934e47d5ac04b95e4d34b88e
13 63f4e6cee7ce6 d65e9256a187a7093e802a76a444122764c7066b15ea804cea6f41c56484434a842ffedd9273d58c018d0cb1af50f9f7faacef60482469b90d1e8dc3bc1a41856a817c1cf23c93041cbad65e13bc1827d2cf0d68470f4d4b0adcde2e604c5d74d8554238792bb2162d6dde858584b5122ef8ec2b9606b5f220a1f3ec5a8cbe11
14 63f4e6cee7e94 e4ce00940decdc580e087111add1986285114e267b8199dbbdc7017decfe3340370199873ccb1b9a2f01c99313233e5d410a5605ca6376a2bdf01fdd1c4fd9e1a07ef892272f929ad03730a7a0155b917538d26bf07dba22fab8650fa7da055e70c05070ecafec3b604a5ec60d768033c43bdebfb0fb3f86ecdb94f2f041fcb7
15 63f4e6cee8047 ab1dcf2dc63486df585500db61d9c0553b0c8d2ccff457be3c21fbe61153c092d6123729b6671220a49d1052002037f59fb3663335fe5e181b5d51bce13fdef6771bf2ae3b8fc77fea010c7b9fd3627351303fc576c3ef0d5e8fc0558d29f85f7eb7bf56daa4ddae9132d783b2a71e291ac75f9964e7ec4d0d2451cbbc72fdf0
16 63f4e6cee8205 5ab6de889d5522327652cdc4650219df9f850be8fca5b066d89fdc852daedffe0cbe2ee87a241b7f81f80916c80025615794c9d606e8e2489c33b868f79b957906a06ec50c90574b5f2f005eb242ef7e106d462928d5cfcc2a8b4409007f4586943c05b45a1f617b9c080e8b4887c87ca87c62d75f844c5166e3db08f8390857
17 63f4e6cee83b4 841d08a7036e8a35ee4210f3ef14a5e6038b0dcf43151163769c3fbd2ab2bb1c048d8bd5de2e5824b60bdc25d52addc43a9912fe9d9bef414fcdb6501a9866c68e055a57112b0f18fe7d14cdf450b2795ef95a32166d9aff352c6964b53c5c60494e59ff6d97e61f9058a753c8f3e177b0e60a8e4bfdf7032894268e0315382c
18 63f4e6cee8563 ae30b2b4a74118e7a57400a485338344b746a75fd3a2cec0ddbbb3ed459488872cc792880823d405df14014c3bc922171277a44abf36f6a13ca5131166dec879a162cc71908efba82a795d66b611967ae83509e39c368b09bd9b99b49f0a66d4a748f9b7c40b6081cdbc27216bddc83b5c79f8311b620cfab3c8d9958686f4cf
19 63f4e6cee8712 0e5a02a0d355a75a45c8ce395fc6a583a6f2a9ce33ea84abc097b5ec696fa083e39adb3453fb3d29e7f6f5db7825f6fdb85ff5c330e88e1a3f07009431f8ecd00504bbfbb1c483408b7adf7bf68b6d84112af9e42e42e88b796b0a458ba434a3801ac613be1faa27fbe86d52c328a0450623365b1b54ce1559776e4e31cc2617
randomness:7721, clocksused:20480Seuraavassa satunnaisuutta käyttäen uusinta –pseudorandom satunnaisbittigeneraattoria:
$ ./newressu --pseudorandom
00000 08244457187065191402680035174774135288153032063260847296400488218
00001 94690959881770658540633627578224074647551721660812442615070042663
00002 63767866312899265438764984146765169760167687933985259472694929000
00003 48669584093668823976530011280425019595193079653033603276418513166
00004 49674138361191332823282555149600276637003883026350890567134377037
00005 12704475800646694934770999955672088881631681194392837080847178397
00006 94231230971149104627153047443428018860273861518472370409529368655
00007 44177713588974381992841613400897990454379505506914575309845021098
00008 19415866285254047665031471782503676759925438720070880749107387784
00009 66756439725415377997482645577451087265097622714981817382581876969
$ Kirjoitin samalla vauhdilla vielä uudestaan ressun ja pseudoressun. Uudet versiot ovat nimeltään ressu2 ja pseudoressu2. Nämä vaativat vielä lisätutkimusta. Vanhat versiot jäävät vielä nimillä ressu ja pseudoressu, ja newressu oletuksena ajaa vanhan ressun.
#define aDEBUG15 2
static unsigned long long ressu_useconds()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return((unsigned long long) tv.tv_usec + 1000000ULL * (unsigned long long) tv.tv_sec);
}
static unsigned char ressu_lowusec() /* JariK 2013 */
{
struct timeval tv;
gettimeofday(&tv, NULL);
return(tv.tv_usec & 0xff);
}
static int randomness = 0;
#define RESSU_ROTATELEFT8(byte, bits) ( ((byte) >> (8 - (bits))) | ((byte) << (bits)) )
static void ressu_round(int size, unsigned char *buffer) // ressu JariK 2013
{
int c, d, byte;
unsigned char e;
static int f = 0, prevbyte = -1;
for(c = 0; c < 8; c++) { // eight bits per byte
for(d = 0; d < size; d++) { // rotate + xor
e = buffer[d];
e = RESSU_ROTATELEFT8(e, 1); // rotate byte left 1 bits
byte = ressu_lowusec();
buffer[d] = e ^ byte;
if(prevbyte != byte) {
prevbyte = byte;
randomness++;
}
}
for(d = 0; d < size; d++) { // swap
f = (f + buffer[d] + 2) % size;
e = buffer[d];
buffer[d] = buffer[f];
buffer[f] = e;
}
}
}
static void ressu2_round(int size, unsigned char *buffer) // ressu JariK 2013
{
int c, d, byte;
unsigned char e;
static int f = 0, prevbyte = -1;
static unsigned char g = 0;
for(c = 0; c < 8; c++) { // eight bits per byte
for(d = 0; d < size; d++) { // rotate + xor
e = buffer[d];
e = RESSU_ROTATELEFT8(e, 1); // rotate byte left 1 bits
byte = ressu_lowusec();
buffer[d] = e ^ byte; // exclusive or data with byte
if(prevbyte != byte) {
prevbyte = byte;
randomness++;
}
}
for(d = 0; d < size; d++) { // swap
g = g << 1;
g ^= buffer[d];
g ^= (clock() & 0xff); // processor time (for randomness)
f = (f + g + 2) % size;
e = buffer[d];
buffer[d] = buffer[f];
buffer[f] = e;
}
}
}
#define DEBUG16A 2
#define aDEBUG17 2
#define RESSU2_BYTES 2048
#define RESSU2_RANDOMNESS_NEEDED 2048
#define RESSU2_CLOCKS_NEEDED 20480 // now 20480
#define RESSU2_MINIMUM_ROUNDS 5
void ressu2_bytes(int size, unsigned char *buffer)
{
int c, d, clocksused;
static int ressu_pos = 0;
static unsigned char ressu[RESSU2_BYTES];
for(c = 0; c < size; c++) {
if(ressu_pos == 0) {
randomness = 0;
clocksused = 0;
for(d = 0; d < RESSU2_MINIMUM_ROUNDS ||
randomness < RESSU2_RANDOMNESS_NEEDED ||
clocksused < RESSU2_CLOCKS_NEEDED
; d++) {
ressu2_round(sizeof(ressu), ressu);
clocksused += (sizeof(ressu) * 8);
}
#ifdef DEBUG17
ressu_dump("ressu2", sizeof(ressu), ressu, 32);
#endif
#ifdef DEBUG16A
if(stats) {
fprintf(stdout,"rounds:%d", d);
fprintf(stdout,", randomness:%d", randomness);
fprintf(stdout,", clocksused:%d", clocksused);
fprintf(stdout,"\n");
}
#endif
} // end of if(ressu_pos == 0
buffer[c] ^= ressu[ressu_pos];
ressu_pos = (ressu_pos + 1) % sizeof(ressu);
} // end of for(c = 0; c < size; c++
#ifdef DEBUG17
ressu_dump("data 1", size, buffer, 32);
#endif
}
#define PSEUDORESSU2_TOPUP_BYTES 32*1024 // bytes between topups
#define PSEUDORESSU2_TOPUP_SIZE 32 // topup size in bytes (32 bytes, 256 bits)
#define aPSEUDORESSU2_TOPUP_TWICE 2 // off by default
unsigned long pseudoressu2_topup_bytes = PSEUDORESSU2_TOPUP_BYTES;
static unsigned char pseudoressu2_key[HashLen]; // 32 bytes, 256 bits
static void pseudoressu2_internalbytes(unsigned char *digest)
{
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudoressu2_key, sizeof(pseudoressu2_key)); // add old randomness to hash
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
HashFinal(digest, &hash);
memset(&hash, 0, sizeof(hash)); // forget hash
}
static void pseudoressu2_addrandomness(int size, unsigned char *buffer)
{
unsigned long long usec;
HashCtx hash;
HashInit(&hash);
HashUpdate(&hash, pseudoressu2_key, sizeof(pseudoressu2_key)); // add old randomness to hash
HashUpdate(&hash, (unsigned char *) &cvar, cvarsize + 1);
inccvar();
usec = ressu_useconds(); // add timestamp to hash
HashUpdate(&hash, (unsigned char *)&usec, sizeof(usec));
usec = clock(); // add processor time to hash (for randomness)
HashUpdate(&hash, (unsigned char *)&usec, sizeof(usec));
HashUpdate(&hash, buffer, size); // add given randomness to hash
HashFinal(pseudoressu2_key, &hash); // save as new key
memset(&hash, 0, sizeof(hash)); // forget hash
}
static void pseudoressu2_topup()
{
unsigned char topup[TOPUP_SIZE]; // 32 bytes, 256 bits
memset(&topup, 0, sizeof(topup)); // forget topup
ressu2_bytes(sizeof(topup), topup);
#ifdef DEBUG17
ressu_dump("topup", sizeof(topup), topup, 32);
#endif
pseudoressu2_addrandomness(sizeof(topup), topup);
memset(&topup, 0, sizeof(topup)); // forget topup
}
void pseudoressu2_bytes(int size, unsigned char *buffer) // JariK 2022
{
int c;
static int pseudoressu_pos = 0, topup_counter = 0, initneeded = 1;
static unsigned char pseudoressu[HashLen]; // 32 bytes, 256 bits
for(c = 0; c < size; c++) {
if(pseudoressu_pos == 0) {
if(topup_counter == 0) {
if(initneeded) {
ressu2_bytes(sizeof(pseudoressu2_key), pseudoressu2_key); // get first key
#ifdef DEBUG17
ressu_dump("first key", sizeof(pseudoressu2_key), pseudoressu2_key, 32);
#endif
initneeded = 0;
} // end of if(initneeded
pseudoressu2_topup(); // add randomness to key, first block also
#ifdef PSEUDORESSU2_TOPUP_TWICE
pseudoressu2_topup(); // add randomness to key, first block also
#endif
topup_counter = pseudoressu2_topup_bytes;
} // end of if(topup_counter == 0
pseudoressu2_internalbytes(pseudoressu); // get random bits using the key
#ifdef DEBUG17
ressu_dump("next data", sizeof(pseudoressu), pseudoressu, 32);
#endif
topup_counter -= sizeof(pseudoressu);
} // end of if(pseudoressu_pos == 0
buffer[c] ^= pseudoressu[pseudoressu_pos];
pseudoressu_pos = (pseudoressu_pos + 1) % sizeof(pseudoressu);
} // end of for(c = 0; c < size; c++
pseudoressu2_internalbytes(pseudoressu_key); // replace key with new random one
#ifdef DEBUG17
ressu_dump("new key", sizeof(pseudoressu2_key), pseudoressu2_key, 32);
#endif
#ifdef DEBUG17
ressu_dump("data 2", size, buffer, 32);
#endif
}
void ressu2twist_bytes(int size, unsigned char *buffer) // JariK 2023
{
ressu2_bytes(size, buffer);
pseudoressu2_bytes(size, buffer);
//urandom_bytes(size, buffer);
}DEBUG17 testilista ressu2 ajosta: Ressu2 alkuiset rivit listaavat ressu2:n generoiman blokin ja datarivit listaavat tuloksen rivi kerrallaan. Ohjelman tulostamat rivit alkavat numerolla.
$ ./newressu --ressu2 -x
ressu2 32 00 4b 51 01 e5 3c 74 e2 97 d2 72 24 34 37 18 b7 5e 58 f8 33 4d d6 99 c5 61 3a c8 4b d7 1e 92
ressu2 d2 47 0b 06 75 a0 ea fa ba c0 df ef 35 78 e2 59 58 5b ce 30 78 60 52 d9 b1 61 20 9a b0 23 10 9e
ressu2 8e dd df c1 52 20 bf fc a9 e8 b3 06 ed 94 0a e1 80 62 69 1d d5 a3 8d 7b 4e 6f eb fc 6c 0a 96 3d
ressu2 1a 21 86 e3 d1 2b c2 ff 16 53 fe 7e 83 da 8a a7 a7 32 9c 63 0a ba d5 6f d2 85 cf e5 5f 2e a8 3a
ressu2 c0 78 f0 93 b8 48 b5 0d 83 66 c7 b2 1b 57 a3 a4 39 be e6 1f 18 42 eb 23 a4 b7 af af 44 1e 53 f5
ressu2 66 2c 63 87 4e 6c aa 53 b7 26 9b c6 5b cd 53 78 24 30 03 13 0f e3 e9 a5 8e bc db bf 10 d9 57 40
ressu2 9b 06 0c 6f 1e b0 05 a0 6c 19 c3 a2 d9 75 57 b7 95 ad 1c e7 9f a0 62 c1 f5 00 1c 5c 76 68 20 61
ressu2 4a cc 9a 27 67 7d 85 b9 11 c4 4c ec 88 18 58 fd 30 b7 e2 42 e3 cc b8 b7 0d 76 60 2f 7e 89 1a 19
ressu2 4b f6 01 8d af 73 15 14 79 58 4d 01 b9 e6 81 a6 32 59 d9 05 1c d1 03 0e 05 be 79 4e 18 3a 59 26
ressu2 44 db 41 80 04 fa 4e 0d df 9a 8b 00 0f f8 60 73 94 16 06 13 8d 9f 6c 96 d6 e8 72 bb e0 91 9f 03
ressu2 02 41 32 53 a9 2d 6d 74 51 4a 62 f2 34 04 16 f2 0d 3a c0 b4 15 cf 78 c8 85 0d f1 2d 4e ba 16 b4
ressu2 3f b4 9e d4 0a d0 fb a2 de 13 b7 cb 31 fb 12 47 c3 3d fb 58 c2 ca 63 9b 55 8e 90 ac ff 66 54 89
ressu2 d1 b0 4d d7 97 03 c2 57 d1 09 2c 58 31 75 5a 36 86 ff 0e 41 ea d0 b8 d2 9c 3b 2f dd 0b a7 20 a5
ressu2 14 77 f5 26 9b be c7 c3 a5 4b a1 83 96 6d 24 49 0d e2 02 db 8e cf 83 f0 ed e8 46 3b 22 1b ee a7
ressu2 a4 43 ac 4b 51 06 bb f8 9a aa 25 5a ce 76 cd fc c8 76 79 9e 3f aa c3 f0 b4 6a c2 24 7f 36 77 c8
ressu2 c6 69 14 68 6a 0d c4 0c 33 0b 67 99 69 82 a2 60 f3 d2 9b f4 8a eb 2b 46 d6 02 a0 68 9c 8e e6 12
ressu2 ab c2 04 15 c5 7a f0 da 80 4d 01 52 98 e6 5f 85 30 89 ac df 7d a6 77 6a 65 90 a6 06 fa 0b c3 d7
ressu2 f8 e7 09 d3 3b 6e 92 f0 34 f2 58 ff 75 84 eb 4f 73 44 be 8c 3e 72 e7 4b 1d e2 b7 81 14 23 1f f2
ressu2 d2 ab bd 67 c2 d9 f2 14 73 14 ca a8 b0 32 90 f2 9a fb 4b f5 bf 2f 55 06 8c 09 31 13 e9 c2 e0 f2
ressu2 ea 50 d2 25 36 df 6b 6c ce ea df da 29 59 5c d1 b9 d5 75 08 25 35 fe 96 24 16 58 83 ea 41 1d 84
ressu2 3f 42 9a 19 48 19 dc 36 79 fb 21 80 ab d1 01 8e c9 e1 73 3e 41 c2 b6 4f 1c 4d 4b 35 a3 a2 20 82
ressu2 72 92 30 aa cc 3e e8 97 64 44 03 80 b9 da f1 aa 81 44 68 4b 51 0b 38 b5 1b 18 e4 13 1a f0 0e 42
ressu2 fa 2a 6f bf f0 e5 ce 08 cc 5e 30 be be d3 00 8e 5c 04 50 d4 89 a6 f9 96 f3 71 8c 1d 14 6e cc d6
ressu2 41 a9 2b 10 18 05 76 65 01 34 df 48 ec b7 cb ae 81 32 4a 2e df 55 54 18 95 32 ce ab e1 3c 2c f6
ressu2 96 6b 6a 4b 0f a4 7a 28 e6 92 bc 3b 78 bd e0 19 88 e4 10 94 15 ac 99 a3 b9 6d e2 c4 03 c4 e7 a8
ressu2 a4 bf d4 94 80 25 16 fc 4a 6c 49 4d bc b9 84 51 c1 c7 cd a6 df 41 db 06 0e 8c 09 c1 5e 08 9c 60
ressu2 70 e9 e6 e8 ff e8 66 20 ee 30 07 a4 6e 8b fc e4 fe 30 dd d3 a1 d4 bd c0 ab 30 41 76 7b 99 cc a5
ressu2 28 b4 ed 3f bf e9 5e 7a 69 ec b2 e2 34 25 6b cd 43 8e 6d 2e 61 00 88 5d 05 18 5b 1a dd 50 f6 2f
ressu2 93 a8 9d df 6b c9 91 8a ce ff 30 9c 73 83 02 d7 25 10 ff 13 6e 4b 9c ba e3 67 5b 96 ce 45 a9 47
ressu2 d8 a5 cb 25 53 b6 0f c7 ba 04 8c 43 c3 f4 3e 83 39 24 1d 74 33 cd 02 c4 b3 07 bb 93 2e 5d f8 20
ressu2 26 af 13 bd 87 47 3e 0a db 63 c3 b2 38 16 77 04 42 ac c2 fc f6 a1 d5 2d 6c 95 f0 bf 75 06 39 da
ressu2 be 3a 3c 86 76 35 2e 8d e8 af cb 67 14 f3 9a fd 04 24 6b a9 7b c9 3f dd 65 b9 f7 19 6a 03 37 bf
ressu2 70 00 5c 62 05 fa ce 96 46 8b 6a 63 3e a2 3c f0 10 5c 30 ec d3 bf 46 6c 27 5d 1b bc 73 6b 3e 42
ressu2 bc d8 1e 4f 3a ec 99 71 7b 4d b6 b9 cd 50 73 3f 33 1c 31 f9 58 eb bb 4e 1e 0a 21 68 cf ef fd bf
ressu2 c5 07 ee 94 48 5b e3 76 63 b9 96 93 e5 6e 77 2c 4c f7 b2 31 f4 a1 06 40 4a 6d 0c 7c 5f 70 c8 9b
ressu2 eb 00 7e 19 48 97 76 15 6f 46 62 23 c5 dc 4c b0 f9 5c e1 13 b9 7f a8 60 8e c0 fe 4d ed c2 93 a1
ressu2 03 24 fd 78 d5 0b 0e 5b 96 9c ce fb b6 76 38 06 7b ed 61 a0 9c e3 80 1f e7 2c 2d b8 50 b7 8d 5c
ressu2 11 28 33 21 34 72 cc 1d bb 64 7d f1 2d 25 02 25 5a 6a c4 cb 1e ea 8c 2e 27 9d 43 47 12 79 c4 9a
ressu2 ac d0 16 78 3e ab e4 23 64 c4 e8 1f 70 21 ef ed 2c a0 41 19 c7 09 24 f5 72 e3 25 30 64 bd b2 a1
ressu2 cd a7 06 56 1a 37 a2 69 84 56 08 f8 60 6b 22 ac 52 2d 16 58 f2 fa 02 10 97 50 4b 4f 11 71 1a ea
ressu2 21 4b ba 37 30 06 62 28 78 de 28 86 4d 23 35 75 29 fc 11 43 33 f3 1e 4c 9a bd b3 9a 84 d4 df 29
ressu2 74 e8 ab 5b ae 13 01 d6 91 3e b8 5a e6 7c 60 28 e6 27 27 c6 02 34 0d 00 64 b5 a5 ec e0 a4 c7 8c
ressu2 95 2b 68 dc ec c9 eb dd e7 d0 2d 3c 0d 1d c4 7f 39 1c 08 00 22 55 3a fa f0 b6 e5 c2 52 8a b0 d3
ressu2 70 3e f6 63 cb 29 90 8e 92 e9 0b 24 14 15 5d 1f 45 a8 4e 33 0f d8 7a 4c 09 23 29 d6 94 ef 71 fd
ressu2 98 c2 ef c0 a9 b4 4c 5f 2c 2a 8a f0 e1 d2 74 e5 64 6e 66 90 4d 4b 3d bf 4f 69 84 25 d9 ed 72 02
ressu2 29 2d 5d 91 d0 15 48 8e 9c 34 c5 3b 3d 38 e4 d5 bc 69 ea 61 79 cd 41 7b e3 57 e4 45 ed 5c 89 9a
ressu2 9d cc 21 90 f8 0f e1 18 74 47 75 58 b4 5a 0a 52 eb ef f2 63 77 ea a7 c4 e2 0f 0b 6b f2 94 2e bd
ressu2 ac 83 70 b6 4c 95 f0 c8 29 3e 25 07 db fb e8 06 0d 9e 7a 74 6c 61 91 72 56 fd ae 02 7a 43 5e 93
ressu2 19 37 60 71 b9 40 26 7b b3 91 84 fc 09 c6 fb 1c 87 7e 5f 2f 42 31 22 c7 93 a9 95 fe 30 fa 61 cc
ressu2 a2 2d ab 57 11 71 99 44 f9 9d 17 9e 75 0f c2 3b 3e cf 80 46 e8 a6 6a b1 4f f6 0e 6c ba 9f 0a 3a
ressu2 c9 f8 1a 2d 25 e6 75 c4 9c 64 b5 da 26 3a 00 67 14 d6 8f 85 94 b4 41 43 43 e6 5d ea b0 a9 3c 05
ressu2 ae 6d 48 fd e2 fe 9c 94 dd 01 d3 9a c0 96 a4 16 bb 2e f9 63 33 93 5b fa aa 72 36 81 a6 26 50 ec
ressu2 ed e2 9a 8d 3c 76 c5 cf 98 26 cd 7d 18 e6 70 c6 95 09 09 1d 8a f3 6f 8b 5d 82 49 38 be b7 68 fd
ressu2 34 da 43 90 d6 69 ba a3 d6 2a 0d 85 09 49 88 0b f5 ba ea 35 a9 72 e4 5a ea aa 2a ed ed 3c 80 d1
ressu2 6e 00 71 78 83 32 62 92 6c 1e 69 37 f0 00 a2 30 cc 4b 7e 3e 3f 38 8a 64 a8 8f 8d c0 1e 25 30 1d
ressu2 2e 1c dd 72 0c c1 e9 f2 07 9a e4 36 06 50 83 f1 4d 97 4d 93 4c bb a8 ef a2 87 ed 1a 0e a6 ee d5
ressu2 ef 2a f2 5e ab 62 a7 71 c3 e0 23 6c 18 59 95 c0 bb 0b 65 bb 26 c6 db 22 d6 1d 43 b1 b9 cd 4e b6
ressu2 c6 fa 00 7a c8 72 a6 cc f5 27 b0 a6 9d 0f 22 4c 5c 06 25 75 1a c3 46 86 98 3c aa 2d d0 a4 95 2d
ressu2 56 e5 00 d2 af 8d 99 44 7e fd c7 59 12 01 05 8b bc e9 24 8a f0 c5 9b 25 bc ae f2 0f f8 9c 03 e3
ressu2 43 06 8e 9e a6 3d 9d 2e 2d 81 79 43 23 6a 56 58 34 8d 9c 35 75 cd 17 e2 a1 1d e0 5a 15 16 d6 48
ressu2 ec 46 0d 16 72 cf 1e 4d 14 6d b6 95 b8 1f c9 ae d8 19 50 4b 03 32 2e 8f 74 2f 64 e8 bd a3 3d 13
ressu2 91 2d 77 b2 00 4f 0f 8d db cb fa 04 bf 98 34 e3 3e 20 38 eb 38 33 0a 5e ec d4 e0 67 b9 c8 7d 1d
ressu2 bc 93 5e 4a 72 12 be 1d 6f 89 67 e1 9e 72 24 ce 11 41 90 3e e0 8e de 6e 77 84 d9 6e 0e ea eb c6
ressu2 e9 b4 8b 62 a7 f6 bc 8e 54 07 26 f5 ff 51 07 b5 b2 9d 71 28 91 03 20 e0 95 08 d0 7c 23 00 ce 0f
data 32 00 4b 51 01 e5 3c 74 e2 97 d2 72 24 34 37 18 b7 5e 58 f8 33 4d d6 99 c5 61 3a c8 4b d7 1e 92
data d2 47 0b 06 75 a0 ea fa ba c0 df ef 35 78 e2 59 58 5b ce 30 78 60 52 d9 b1 61 20 9a b0 23 10 9e
data 8e dd df c1 52 20 bf fc a9 e8 b3 06 ed 94 0a e1 80 62 69 1d d5 a3 8d 7b 4e 6f eb fc 6c 0a 96 3d
data 1a 21 86 e3 d1 2b c2 ff 16 53 fe 7e 83 da 8a a7 a7 32 9c 63 0a ba d5 6f d2 85 cf e5 5f 2e a8 3a
data c0 78 f0 93 b8 48 b5 0d 83 66 c7 b2 1b 57 a3 a4 39 be e6 1f 18 42 eb 23 a4 b7 af af 44 1e 53 f5
data 66 2c 63 87 4e 6c aa 53 b7 26 9b c6 5b cd 53 78 24 30 03 13 0f e3 e9 a5 8e bc db bf 10 d9 57 40
data 9b 06 0c 6f 1e b0 05 a0 6c 19 c3 a2 d9 75 57 b7 95 ad 1c e7 9f a0 62 c1 f5 00 1c 5c 76 68 20 61
data 4a cc 9a 27 67 7d 85 b9 11 c4 4c ec 88 18 58 fd 30 b7 e2 42 e3 cc b8 b7 0d 76 60 2f 7e 89 1a 19
data 4b f6 01 8d af 73 15 14 79 58 4d 01 b9 e6 81 a6 32 59 d9 05 1c d1 03 0e 05 be 79 4e 18 3a 59 26
data 44 db 41 80 04 fa 4e 0d df 9a 8b 00 0f f8 60 73 94 16 06 13 8d 9f 6c 96 d6 e8 72 bb e0 91 9f 03
data 02 41 32 53 a9 2d 6d 74 51 4a 62 f2 34 04 16 f2 0d 3a c0 b4 15 cf 78 c8 85 0d f1 2d 4e ba 16 b4
data 3f b4 9e d4 0a d0 fb a2 de 13 b7 cb 31 fb 12 47 c3 3d fb 58 c2 ca 63 9b 55 8e 90 ac ff 66 54 89
data d1 b0 4d d7 97 03 c2 57 d1 09 2c 58 31 75 5a 36 86 ff 0e 41 ea d0 b8 d2 9c 3b 2f dd 0b a7 20 a5
data 14 77 f5 26 9b be c7 c3 a5 4b a1 83 96 6d 24 49 0d e2 02 db 8e cf 83 f0 ed e8 46 3b 22 1b ee a7
data a4 43 ac 4b 51 06 bb f8 9a aa 25 5a ce 76 cd fc c8 76 79 9e 3f aa c3 f0 b4 6a c2 24 7f 36 77 c8
data c6 69 14 68 6a 0d c4 0c 33 0b 67 99 69 82 a2 60 f3 d2 9b f4 8a eb 2b 46 d6 02 a0 68 9c 8e e6 12
data ab c2 04 15 c5 7a f0 da 80 4d 01 52 98 e6 5f 85 30 89 ac df 7d a6 77 6a 65 90 a6 06 fa 0b c3 d7
data f8 e7 09 d3 3b 6e 92 f0 34 f2 58 ff 75 84 eb 4f 73 44 be 8c 3e 72 e7 4b 1d e2 b7 81 14 23 1f f2
data d2 ab bd 67 c2 d9 f2 14 73 14 ca a8 b0 32 90 f2 9a fb 4b f5 bf 2f 55 06 8c 09 31 13 e9 c2 e0 f2
data ea 50 d2 25 36 df 6b 6c ce ea df da 29 59 5c d1 b9 d5 75 08 25 35 fe 96 24 16 58 83 ea 41 1d 84
data 3f 42 9a 19 48 19 dc 36 79 fb 21 80 ab d1 01 8e c9 e1 73 3e 41 c2 b6 4f 1c 4d 4b 35 a3 a2 20 82
data 72 92 30 aa cc 3e e8 97 64 44 03 80 b9 da f1 aa 81 44 68 4b 51 0b 38 b5 1b 18 e4 13 1a f0 0e 42
data fa 2a 6f bf f0 e5 ce 08 cc 5e 30 be be d3 00 8e 5c 04 50 d4 89 a6 f9 96 f3 71 8c 1d 14 6e cc d6
data 41 a9 2b 10 18 05 76 65 01 34 df 48 ec b7 cb ae 81 32 4a 2e df 55 54 18 95 32 ce ab e1 3c 2c f6
data 96 6b 6a 4b 0f a4 7a 28 e6 92 bc 3b 78 bd e0 19 88 e4 10 94 15 ac 99 a3 b9 6d e2 c4 03 c4 e7 a8
data a4 bf d4 94 80 25 16 fc 4a 6c 49 4d bc b9 84 51 c1 c7 cd a6 df 41 db 06 0e 8c 09 c1 5e 08 9c 60
data 70 e9 e6 e8 ff e8 66 20 ee 30 07 a4 6e 8b fc e4 fe 30 dd d3 a1 d4 bd c0 ab 30 41 76 7b 99 cc a5
data 28 b4 ed 3f bf e9 5e 7a 69 ec b2 e2 34 25 6b cd 43 8e 6d 2e 61 00 88 5d 05 18 5b 1a dd 50 f6 2f
data 93 a8 9d df 6b c9 91 8a ce ff 30 9c 73 83 02 d7 25 10 ff 13 6e 4b 9c ba e3 67 5b 96 ce 45 a9 47
data d8 a5 cb 25 53 b6 0f c7 ba 04 8c 43 c3 f4 3e 83 39 24 1d 74 33 cd 02 c4 b3 07 bb 93 2e 5d f8 20
data 26 af 13 bd 87 47 3e 0a db 63 c3 b2 38 16 77 04 42 ac c2 fc f6 a1 d5 2d 6c 95 f0 bf 75 06 39 da
data be 3a 3c 86 76 35 2e 8d e8 af cb 67 14 f3 9a fd 04 24 6b a9 7b c9 3f dd 65 b9 f7 19 6a 03 37 bf
data 70 00 5c 62 05 fa ce 96 46 8b 6a 63 3e a2 3c f0 10 5c 30 ec d3 bf 46 6c 27 5d 1b bc 73 6b 3e 42
data bc d8 1e 4f 3a ec 99 71 7b 4d b6 b9 cd 50 73 3f 33 1c 31 f9 58 eb bb 4e 1e 0a 21 68 cf ef fd bf
data c5 07 ee 94 48 5b e3 76 63 b9 96 93 e5 6e 77 2c 4c f7 b2 31 f4 a1 06 40 4a 6d 0c 7c 5f 70 c8 9b
data eb 00 7e 19 48 97 76 15 6f 46 62 23 c5 dc 4c b0 f9 5c e1 13 b9 7f a8 60 8e c0 fe 4d ed c2 93 a1
data 03 24 fd 78 d5 0b 0e 5b 96 9c ce fb b6 76 38 06 7b ed 61 a0 9c e3 80 1f e7 2c 2d b8 50 b7 8d 5c
data 11 28 33 21 34 72 cc 1d bb 64 7d f1 2d 25 02 25 5a 6a c4 cb 1e ea 8c 2e 27 9d 43 47 12 79 c4 9a
data ac d0 16 78 3e ab e4 23 64 c4 e8 1f 70 21 ef ed 2c a0 41 19 c7 09 24 f5 72 e3 25 30 64 bd b2 a1
data cd a7 06 56 1a 37 a2 69 84 56 08 f8 60 6b 22 ac 52 2d 16 58 f2 fa 02 10 97 50 4b 4f 11 71 1a ea
data 21 4b ba 37 30 06 62 28 78 de 28 86 4d 23 35 75 29 fc 11 43 33 f3 1e 4c 9a bd b3 9a 84 d4 df 29
data 74 e8 ab 5b ae 13 01 d6 91 3e b8 5a e6 7c 60 28 e6 27 27 c6 02 34 0d 00 64 b5 a5 ec e0 a4 c7 8c
data 95 2b 68 dc ec c9 eb dd e7 d0 2d 3c 0d 1d c4 7f 39 1c 08 00 22 55 3a fa f0 b6 e5 c2 52 8a b0 d3
data 70 3e f6 63 cb 29 90 8e 92 e9 0b 24 14 15 5d 1f 45 a8 4e 33 0f d8 7a 4c 09 23 29 d6 94 ef 71 fd
data 98 c2 ef c0 a9 b4 4c 5f 2c 2a 8a f0 e1 d2 74 e5 64 6e 66 90 4d 4b 3d bf 4f 69 84 25 d9 ed 72 02
data 29 2d 5d 91 d0 15 48 8e 9c 34 c5 3b 3d 38 e4 d5 bc 69 ea 61 79 cd 41 7b e3 57 e4 45 ed 5c 89 9a
data 9d cc 21 90 f8 0f e1 18 74 47 75 58 b4 5a 0a 52 eb ef f2 63 77 ea a7 c4 e2 0f 0b 6b f2 94 2e bd
data ac 83 70 b6 4c 95 f0 c8 29 3e 25 07 db fb e8 06 0d 9e 7a 74 6c 61 91 72 56 fd ae 02 7a 43 5e 93
data 19 37 60 71 b9 40 26 7b b3 91 84 fc 09 c6 fb 1c 87 7e 5f 2f 42 31 22 c7 93 a9 95 fe 30 fa 61 cc
data a2 2d ab 57 11 71 99 44 f9 9d 17 9e 75 0f c2 3b 3e cf 80 46 e8 a6 6a b1 4f f6 0e 6c ba 9f 0a 3a
data c9 f8 1a 2d 25 e6 75 c4 9c 64 b5 da 26 3a 00 67 14 d6 8f 85 94 b4 41 43 43 e6 5d ea b0 a9 3c 05
data ae 6d 48 fd e2 fe 9c 94 dd 01 d3 9a c0 96 a4 16 bb 2e f9 63 33 93 5b fa aa 72 36 81 a6 26 50 ec
data ed e2 9a 8d 3c 76 c5 cf 98 26 cd 7d 18 e6 70 c6 95 09 09 1d 8a f3 6f 8b 5d 82 49 38 be b7 68 fd
data 34 da 43 90 d6 69 ba a3 d6 2a 0d 85 09 49 88 0b f5 ba ea 35 a9 72 e4 5a ea aa 2a ed ed 3c 80 d1
data 6e 00 71 78 83 32 62 92 6c 1e 69 37 f0 00 a2 30 cc 4b 7e 3e 3f 38 8a 64 a8 8f 8d c0 1e 25 30 1d
data 2e 1c dd 72 0c c1 e9 f2 07 9a e4 36 06 50 83 f1 4d 97 4d 93 4c bb a8 ef a2 87 ed 1a 0e a6 ee d5
data ef 2a f2 5e ab 62 a7 71 c3 e0 23 6c 18 59 95 c0 bb 0b 65 bb 26 c6 db 22 d6 1d 43 b1 b9 cd 4e b6
data c6 fa 00 7a c8 72 a6 cc f5 27 b0 a6 9d 0f 22 4c 5c 06 25 75 1a c3 46 86 98 3c aa 2d d0 a4 95 2d
data 56 e5 00 d2 af 8d 99 44 7e fd c7 59 12 01 05 8b bc e9 24 8a f0 c5 9b 25 bc ae f2 0f f8 9c 03 e3
data 43 06 8e 9e a6 3d 9d 2e 2d 81 79 43 23 6a 56 58 34 8d 9c 35 75 cd 17 e2 a1 1d e0 5a 15 16 d6 48
data ec 46 0d 16 72 cf 1e 4d 14 6d b6 95 b8 1f c9 ae d8 19 50 4b 03 32 2e 8f 74 2f 64 e8 bd a3 3d 13
data 91 2d 77 b2 00 4f 0f 8d db cb fa 04 bf 98 34 e3 3e 20 38 eb 38 33 0a 5e ec d4 e0 67 b9 c8 7d 1d
data bc 93 5e 4a 72 12 be 1d 6f 89 67 e1 9e 72 24 ce 11 41 90 3e e0 8e de 6e 77 84 d9 6e 0e ea eb c6
data e9 b4 8b 62 a7 f6 bc 8e 54 07 26 f5 ff 51 07 b5 b2 9d 71 28 91 03 20 e0 95 08 d0 7c 23 00 ce 0f
00000 32004b5101e53c74e297d27224343718b75e58f8334dd699c5613ac84bd71e92
00001 d2470b0675a0eafabac0dfef3578e259585bce30786052d9b161209ab023109e
00002 8edddfc15220bffca9e8b306ed940ae18062691dd5a38d7b4e6febfc6c0a963d
00003 1a2186e3d12bc2ff1653fe7e83da8aa7a7329c630abad56fd285cfe55f2ea83a
00004 c078f093b848b50d8366c7b21b57a3a439bee61f1842eb23a4b7afaf441e53f5
00005 662c63874e6caa53b7269bc65bcd5378243003130fe3e9a58ebcdbbf10d95740
00006 9b060c6f1eb005a06c19c3a2d97557b795ad1ce79fa062c1f5001c5c76682061
00007 4acc9a27677d85b911c44cec881858fd30b7e242e3ccb8b70d76602f7e891a19
00008 4bf6018daf73151479584d01b9e681a63259d9051cd1030e05be794e183a5926
00009 44db418004fa4e0ddf9a8b000ff86073941606138d9f6c96d6e872bbe0919f03
$$Testataan vielä pseudoressu2:sta DEBUG17 debukilla: ressu2 rivit ovat ressu2:n generoimia rivejä, data 1 rivit ovat ressu2_bytes():in palauttamia rivejä. First key on ensimmäinen pseudoressu2:n avain. Topup-rivi lisää satunnaisuutta avaimeen. Next data rivit ovat pseudoressun palauttamaa dataa. Data 2 rivit ovat pseudoressu2:n palauttamia rivejä. New key on pseudoressu_bytes():in jälkeen vaihdettu uusi avain.
./newressu --pseudoressu2 -x
ressu2 8a ba bf 65 b0 40 6b ad be d7 36 9b bf d7 fe a5 14 57 07 0c c1 12 5d d9 23 c8 a1 4d 47 40 8e 50
ressu2 e7 d6 73 96 df fb ca 0f ab 50 d2 0c a7 0c 49 c0 ad d2 4f ac 53 66 9e d9 95 b8 4b 48 41 0f 22 b5
ressu2 f9 73 7c c0 bd 04 6f c1 6e cf 1a b6 0f 00 b8 ee 87 bf 21 d2 39 64 e1 38 b6 3b c0 34 9c 35 9b b0
ressu2 88 35 fb ee ce c8 9a b6 7a 11 71 c8 cf 6e 6e 1a db 94 48 06 20 2a 3f 90 9c 6f 73 4a 1c 87 48 a3
ressu2 c1 28 94 d3 17 73 7c 11 1c 76 6e c4 40 e4 32 b8 05 14 3a 1b 8f 52 da 23 da 17 f2 b3 bc ff 49 bb
ressu2 dd 61 c5 74 a3 4e c2 d9 da fe fa e6 63 0d 0b fc 1a cc 3a 53 48 cc f0 a5 60 52 97 75 4a 63 00 2b
ressu2 c6 46 1f 5d d8 2a d6 b2 cb 87 c1 2a 22 8c 44 4c 92 50 ee 9d 1c b1 24 d9 f7 86 97 fc cb b2 db 0c
ressu2 47 19 fd 46 95 dc 65 16 b8 5b 19 00 60 59 c3 cc 5e f9 8a ae fc f6 60 67 e2 65 0e 24 78 68 5c ba
ressu2 2b 74 11 a6 07 de 7e 5b 03 0f b8 20 45 d7 2c 29 fc e1 d9 bd 57 72 88 a7 5e 59 69 91 e4 f7 95 e7
ressu2 8e 51 d9 8b e3 f1 18 9b e0 cc bb b1 82 b1 68 08 39 ab 9e 8f 1b 57 c1 2b 1e fd 2b 65 b9 62 61 80
ressu2 3a fd 2a ce 94 04 71 83 8d 08 9f 7f 99 33 a5 ae ba 29 96 ae 7e 9b 43 68 ae 56 56 2c f8 9c 90 77
ressu2 f5 26 a9 56 66 4c 2a ca d6 64 f5 da 1c c7 91 01 51 f7 27 63 50 8d bc a9 f8 2d 16 7a be 58 e8 af
ressu2 93 79 5d 85 26 9b 1e fa 9f 82 4e d2 ae e2 cd 7d 83 83 48 f0 59 4a 17 37 c7 b6 b8 0a b8 94 a6 20
ressu2 7f aa 2a 9a 0f a4 18 c2 17 cc c5 22 37 0b 13 65 20 09 ff 80 6d f1 0b 78 26 1f 61 38 fb 36 ea 44
ressu2 5a 40 69 60 46 1f d7 0b 10 c2 ae fc ed b0 02 b0 48 ca 9b 9a 35 54 0b 8c c9 b9 d2 59 46 45 dd 41
ressu2 80 48 f8 2b 2a a5 a0 d4 ab a8 64 0a ce 85 ff fa 73 03 e0 ee 6b 8e 61 b8 09 7f 2b ad 78 06 d3 86
ressu2 8d 29 5b bd 3e c4 60 5b 35 ce 3b f9 a9 32 ff a7 33 70 31 d9 8c 32 ce b0 d2 dd 8d 24 e5 93 d4 29
ressu2 f4 c3 6a 83 2e 33 1b 3e 82 30 20 7d 82 db aa 6f 20 2a 2d 46 26 30 0b ad 87 cb 60 4d 78 22 9b dd
ressu2 7e f1 69 93 76 d4 15 52 9d 50 6d 20 45 6d 8c cf 78 eb 51 db 1f 60 95 be 23 a2 e1 a0 d3 b0 b4 b2
ressu2 46 2e ac 5e c8 51 77 16 fd 82 66 01 0c 3b 66 55 8c 2d 66 de 47 39 1f d4 4a 03 58 64 45 b3 5a 81
ressu2 53 19 2d 31 f3 98 6c 8d 9f 62 d1 74 66 d1 65 00 69 9f 23 7b 53 e9 18 48 b6 56 f9 2e 88 a5 cd 39
ressu2 e9 0f f2 b9 5c 83 32 bd c7 96 a7 7d bf 90 72 86 ad 8a 7d 7e b7 54 6d 19 b3 4b 1b a7 35 43 d7 f4
ressu2 72 2c 86 d9 20 9d b5 27 49 df 57 0f 18 27 63 e5 18 f0 3b c5 ad 12 8a fb 79 f1 38 c7 0e 78 95 4c
ressu2 ce 8a 10 bc 72 ac ac 43 f7 56 8c 6d f7 ee fc 15 4a 1f 3a ca e1 5b 52 6a f5 dd f7 1c 96 18 73 a4
ressu2 af 2b 20 0a ae 10 b2 fd 52 08 ec 00 ef 5d e0 0c 8b 86 c9 80 84 a3 9b 57 61 83 ca f7 75 e1 41 3d
ressu2 ec 7d 47 40 4f 0a 2c 6f b0 46 77 99 03 44 77 3f df 56 2e 5f d7 b2 e5 56 cd 2f 2e d8 5f f1 d7 d6
ressu2 6a bc 40 b0 a0 3b 7c dd 7d 5b b9 19 70 d6 65 a7 7f 26 c1 ee ab 17 46 e5 c0 45 4d e9 f1 02 b9 a6
ressu2 8e 38 e9 7e 37 38 53 9b 62 20 af 86 17 cb 65 20 a5 af 52 85 ca d1 ab ff 80 db 86 d0 32 f5 bc 21
ressu2 5c 15 5c ed 9c d6 09 03 f1 78 76 2c 4b e0 f9 78 87 a1 96 80 eb 71 e9 9e 13 00 92 2f e0 0a 82 b6
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data 2 09 5a 71 1a 95 8b 87 6d 17 60 c5 6e 21 be 34 db 1e dd 3f a1 92 aa ad 6a 4a bc cb d3 b5 98 5c e7
data 2 9d 8b 15 1f 75 9e 02 49 f4 f1 74 02 73 57 ce 11 3e 6d d1 e4 55 1e 77 a3 c5 bb c6 08 2f 64 4d 72
data 2 ad dc 86 d5 67 43 ba 84 a5 a5 7c 13 ba 06 c7 5a d5 75 ad 4c 81 9d bd 52 9f 1f 3e 13 53 c6 89 a6
data 2 b6 7f 75 ee d7 d1 5d 45 8b bb cc 08 cd 8b a1 d8 5f 31 fc 45 af 45 78 4d f8 63 44 1f 50 5a 0e 74
data 2 f4 b2 9c e8 70 15 d6 0b f6 b9 c0 9a 69 75 fb 59 05 c4 7e b6 98 c9 da e6 fb 83 7d 24 f4 67 8a 29
data 2 52 45 05 a5 01 f0 59 33 1e 47 b3 4b d6 80 e1 32 2e b7 ae 9c 70 7c 7e 4d 6d 3d 42 3c 01 e7 da e5
data 2 3a c2 ee 5f ec 57 b0 e3 81 dc 6a 39 85 2d 45 2a 22 d6 71 aa af 27 e7 51 1b 2a 1e 76 90 1c 86 0d
data 2 b3 48 29 24 61 2c 14 7a 3c 4d 1f c6 fc a6 87 5f b1 e5 4a 7c e8 b1 2e 9a 19 9e 41 99 c8 00 4b e3
data 2 f5 29 05 43 38 5c b3 64 3a d5 6b 85 81 d3 84 ce ee 2f 8b 76 4c 4a b7 fd 8c 06 2e 8f bd 64 57 de
data 2 c7 c9 a4 76 63 b8 66 5b e1 83 bc da 45 31 94 4f a7 a3 a0 ec c2 cd 9e 1d a5 6a 8e a7 05 60 b1 3b
data 2 f4 21 f3 82 23 55 2e a6 df 63 83 2c 1a 36 b9 17 7f 99 f1 fa 63 c1 70 fc d8 ac d0 41 82 66 04 a9
data 2 69 38 12 70 46 fa 6f 7e 3a 46 fc 5f 2b 0d d9 6f bb ee 7d 9a bf 82 60 56 79 e0 7f 7b b1 3d 89 ac
data 2 35 34 74 f1 db 6b d0 f7 c9 39 51 20 1c 09 bf b6 89 ff 34 57 73 86 d5 02 72 fa 63 21 5b ae bf a8
data 2 5f fc 44 0d 27 16 6b 4b ae e6 68 fb ff 04 00 4a e7 27 37 c8 5a 39 80 21 ef e3 d8 1f a5 e0 16 b2
data 2 f0 c7 9e 74 75 d3 7a c8 8b 14 45 47 4c 4f ff f7 7f 15 28 a3 5a d8 a9 c5 5c 7a 0e b5 9e 1c 21 ca
data 2 63 43 ef 52 f6 93 40 96 57 78 d5 38 51 3a b7 82 9e db 60 71 17 56 52 2e b2 64 d7 df c2 c4 fb 92
data 2 32 cc a6 eb cf 24 92 8d 6f 4f e1 8a 4e 79 2e 90 c6 9b c1 89 06 ab 72 8d ea 78 31 9a 11 53 83 7f
00000 63062d1aaf9ea938f2e4c4b74e01ec6d81ed33b231e157e3acf9ee2d3c5daa4d
00001 85cadbb21f49eefc6a546f14bb867ee30e6dcb5c52fb60aef794845c78e16d29
00002 0b781e013047f1a844564ee24ba580866de6e1ff4c031db553e8173616a93355
00003 ea2e91994f47c58b25b0e217eaf0a1c0833f142a203f150cfb0f0f59d27a7968
00004 1caf7ea882cd47248ad9ed01a9547e96f24ffbba58edbf62bc38829effcd91bd
00005 e2b382815f63744a27bfd0664e7817545a037f93858a7c8930ac89452524e0a2
00006 8fda1de1d12842a645991f379b97399c334be5d2b548136aa387e8b0192a4435
00007 c1173e3cfc99fe8e4ad8bf4157b020f93bd0c1b89f2f2770110adfe1cc1aec3f
00008 0c4e3540d21476cb33e90b6169a082394a487e59b402de08410b2037e8d22ab5
00009 46b4551e3f244841ec35339de0f324ce68844ddb5a034c5c75bacbd2b9bab5b1Dieharder testilista ressu2:sta: Mielestäni tämä on dieharder ok, ei failed:eja ja vähän weak:keja suurissa tiedostoissa.
'input' = "ressu2", 'filesize' = "500m", 'filename' = "newressusample2738.rnd", 'weak' = "1", 'failed' = "1"
'input' = "ressu2", 'filesize' = "600m", 'filename' = "newressusample2739.rnd", 'weak' = "5", 'failed' = "0"
'input' = "ressu2", 'filesize' = "700m", 'filename' = "newressusample2740.rnd", 'weak' = "5", 'failed' = "1"
'input' = "ressu2", 'filesize' = "800m", 'filename' = "newressusample2741.rnd", 'weak' = "3", 'failed' = "1"
'input' = "ressu2", 'filesize' = "900m", 'filename' = "newressusample2742.rnd", 'weak' = "5", 'failed' = "3"
'input' = "ressu2", 'filesize' = "1g", 'filename' = "newressusample2743.rnd", 'weak' = "7", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g100m", 'filename' = "newressusample2744.rnd", 'weak' = "2", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g200m", 'filename' = "newressusample2745.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g300m", 'filename' = "newressusample2746.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g400m", 'filename' = "newressusample2747.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g500m", 'filename' = "newressusample2748.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g600m", 'filename' = "newressusample2749.rnd", 'weak' = "2", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g700m", 'filename' = "newressusample2750.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g800m", 'filename' = "newressusample2751.rnd", 'weak' = "5", 'failed' = "0"
'input' = "ressu2", 'filesize' = "1g900m", 'filename' = "newressusample2752.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2", 'filesize' = "2g", 'filename' = "newressusample2753.rnd", 'weak' = "5", 'failed' = "0"
'input' = "ressu2", 'filesize' = "3g", 'filename' = "newressusample2754.rnd", 'weak' = "1", 'failed' = "0"
'input' = "ressu2", 'filesize' = "4g", 'filename' = "newressusample2755.rnd", 'weak' = "2", 'failed' = "0"
'input' = "ressu2", 'filesize' = "5g", 'filename' = "newressusample2756.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2", 'filesize' = "6g", 'filename' = "newressusample2757.rnd", 'weak' = "1", 'failed' = "0"Dieharder testilista pseudoressu2:sta: Ok, ei failedeja ja vähän weakkeja suurissa tiedostoissa.
'input' = "pseudoressu2", 'filesize' = "500m", 'filename' = "newressusample2758.rnd", 'weak' = "5", 'failed' = "2"
'input' = "pseudoressu2", 'filesize' = "600m", 'filename' = "newressusample2759.rnd", 'weak' = "7", 'failed' = "2"
'input' = "pseudoressu2", 'filesize' = "700m", 'filename' = "newressusample2760.rnd", 'weak' = "10", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "800m", 'filename' = "newressusample2761.rnd", 'weak' = "8", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "900m", 'filename' = "newressusample2762.rnd", 'weak' = "7", 'failed' = "1"
'input' = "pseudoressu2", 'filesize' = "1g", 'filename' = "newressusample2763.rnd", 'weak' = "4", 'failed' = "1"
'input' = "pseudoressu2", 'filesize' = "1g100m", 'filename' = "newressusample2764.rnd", 'weak' = "6", 'failed' = "1"
'input' = "pseudoressu2", 'filesize' = "1g200m", 'filename' = "newressusample2765.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g300m", 'filename' = "newressusample2766.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g400m", 'filename' = "newressusample2767.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g500m", 'filename' = "newressusample2768.rnd", 'weak' = "5", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g600m", 'filename' = "newressusample2769.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g700m", 'filename' = "newressusample2770.rnd", 'weak' = "0", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g800m", 'filename' = "newressusample2771.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "1g900m", 'filename' = "newressusample2772.rnd", 'weak' = "6", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "2g", 'filename' = "newressusample2773.rnd", 'weak' = "1", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "3g", 'filename' = "newressusample2774.rnd", 'weak' = "3", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "4g", 'filename' = "newressusample2775.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "5g", 'filename' = "newressusample2776.rnd", 'weak' = "2", 'failed' = "0"
'input' = "pseudoressu2", 'filesize' = "6g", 'filename' = "newressusample2777.rnd", 'weak' = "3", 'failed' = "0"Satunnaisuutta uudella ressu2 generaattorilla:
$ ./newressu --ressu2
00000 55949688185877341622034227541378358620539934130837719664015749825
00001 90609858998821602441917202808264534591287578077989136742900866080
00002 44653972246055646517940661857889194466575890077315426625709155915
00003 67192606200278134817302551033244679217156733269282593200465683983
00004 92283856703758594911481763394520065118335172424598538245141590298
00005 81558071505005214523849322816760347941979957346210881138886861597
00006 59329345032375251938529864753832947412048701642443981621813623435
00007 80735336479573969714887797856894161601026714700327709748079022917
00008 75142788258848392567725240728823059014103521671163205098204149287
00009 22441185654701012226687325620374115145811551877672491908751449959
$Satunnaisuutta uudella pseudoressu2 näennäissatunnaisuus generaattorilla:
$ ./newressu --pseudoressu2
00000 85210990573137512871005264801811199128654491886808034736163554942
00001 64677471450469966354556116443957044953612856759130486473464062854
00002 55244260728363247309374816485489944044493198417291953615626399619
00003 71292874050633453141233297472991712853023376958941974807812080103
00004 34509835550310579452057636862600360312461549749456733846768208549
00005 65298151149519225524699319280380167673174291326237248090305622325
00006 68128129924712407267106195675494141759175901350086966935584953448
00007 41420779725606729561488118631320851280250181394020744538481864768
00008 87138036750865155818189866099580945219878546245583604713529755468
00009 38170466736607134528385105717567122125263260887214944577702022407
$ressu2twist yhdistää kaksi edellistä, ja sen pitäisi tehdä kellojonon arvaaminan vaikeammaksi, jos ei mahdottomaksi:
void ressu2twist_bytes(int size, unsigned char *buffer) // JariK 2023
{
ressu2_bytes(size, buffer);
pseudoressu2_bytes(size, buffer);
#ifdef DEBUG17
ressu_dump("data 3", size, buffer, 32);
#endif
}Seuraavana DEBUG17 testilista –ressu2twist:stä: Uutena tässä listassa data 3 -rivit, jotka ovat ressu2twist:in palauttamia rivejä.
$ ./newressu --ressu2twist -x
ressu2 6b e5 ae c4 49 f3 fe 52 e9 1a 11 40 96 56 b4 06 8a 19 3f b6 1e da 39 f4 f6 e8 09 0a d0 4a 84 c5
ressu2 3c 7f 0b b6 0d 57 8b 93 56 72 80 f7 87 4a 26 a4 fb d5 9f ac bc 5c 1a 73 f0 54 cf c5 ed 23 48 f7
ressu2 7d 8a c9 e9 f9 72 58 39 ab 6f b6 8c 60 89 6a 1c bb 77 09 15 f2 56 ca c6 07 c3 82 90 c3 83 04 9d
ressu2 21 57 16 94 b5 5c 18 c7 18 99 16 57 06 4c e9 18 b5 36 5b fd 37 9e 32 e1 b7 9f ec cb 8f f3 6b c8
ressu2 a5 15 c7 36 c0 ca ea af f2 09 68 b5 cb 49 bb 55 ef 3d 8e 10 cc ae 63 81 de 7c 35 a0 0b 56 d5 3f
ressu2 1c 5f b9 6e d9 b9 79 89 12 d0 14 a8 c7 c6 45 03 fa 89 13 23 23 52 63 5b 39 0e 6c 6d a4 bd 86 7d
ressu2 f4 74 71 66 90 ef 50 2e d2 bd 9d e3 47 1e 46 b2 f5 57 79 d7 91 14 50 05 fb 7f d1 fc f1 0a 5f 69
ressu2 12 a7 01 5a 6a 69 bb c7 91 93 4c 3d 26 48 9c fb b6 d6 0f 21 13 73 f9 af ec 46 c0 5d f6 8c 88 f1
ressu2 7a 43 3b b2 ab 91 fd 8b 7b a1 f4 c0 25 35 e9 03 c7 ef b2 8e b2 4e 04 c4 ac 90 f8 18 b7 fd 5b 4f
ressu2 f8 ad 59 75 ae d6 ce b5 31 65 89 2c 49 ee b3 4f 7d 8f 77 cd 72 0d 22 3f 30 95 af 65 7e 6c 48 fa
ressu2 93 60 56 a5 37 16 57 da 15 b8 82 00 67 59 d8 1e 20 39 73 4a 46 62 ce 6e f5 46 6e 28 7c 0f 0c e8
ressu2 cf 27 77 59 07 12 b3 5f 3d 8e a1 c5 c9 d5 f6 c4 a6 f8 af 3b b4 ec b7 39 04 7e d6 bf 20 a3 14 cd
ressu2 ff 45 f7 c9 20 6f 27 61 c6 32 50 e0 f8 ba 87 dc 20 4d de 5c c8 65 c3 99 ce 3f 9a 2d 2b 87 89 da
ressu2 75 78 6d a5 d4 92 06 9c 77 95 7a 15 f5 6c 49 60 d7 12 6b e5 fa d8 a9 a1 5e 95 a3 c3 67 c8 75 bc
ressu2 20 87 1c ed 23 9f df cc 8a d0 bd 22 21 c9 72 4c 46 3a 97 ea 0e 96 66 90 80 7f 31 42 57 67 6b 1a
ressu2 5c ff 4f c8 48 17 4c d4 2b ec 8b 41 17 d6 b2 ee 62 b8 bc 3c f4 8f 0d 1d 40 0d 68 0c cc ff 8a 2a
ressu2 b3 27 de cd bc 99 f0 7f 79 44 56 aa dd a5 69 19 93 4f 08 ed ac e7 6c 1b db 60 36 d8 9c 80 23 23
ressu2 67 ba 81 38 e7 79 7d 42 9e 92 70 d0 a3 84 91 d2 54 1b a5 a6 26 71 1b 5d e9 ea 99 4b 69 24 f5 52
ressu2 ea 6a 21 1c cb 64 ed 83 80 52 18 0d a2 86 5a 95 85 9f 2c c0 ef 71 b3 a7 9e ad 79 33 25 3b 0d bc
ressu2 90 80 1c f4 ef 6a a9 f6 29 00 95 a7 00 e9 06 ea cb ac df 08 d1 b8 d0 1b f0 88 e7 75 c6 18 25 51
ressu2 63 31 ae ec ca 8e fd 69 5e 0b 5a 35 a5 88 be fe ca f9 2c c2 79 03 0e 45 5e 96 c5 31 c9 7b 8d 85
ressu2 6e 06 e5 ba 3b d4 a2 af 94 ff c0 57 aa 99 29 9c 15 18 e7 09 bf a0 5e fa 07 05 36 d7 b1 57 99 f8
ressu2 9f 09 e6 4d 79 bf 0b a8 4e 9e 05 55 c6 91 71 b0 e5 3d 94 03 84 35 fa 2b 74 c1 0c 4a 7f 38 bc a6
ressu2 ca a0 9d b6 ab 41 84 fc d6 60 93 0b 64 78 af f7 a3 90 f8 0f c6 cb 6b 03 e8 25 18 30 3b 73 66 5d
ressu2 cf 51 01 ac fc ab 11 00 dd 5b 75 59 56 99 10 c4 40 89 fa ca cf 5f 6a ed b3 54 3f 28 71 9c 4b 9c
ressu2 a4 da f0 69 5f 0c 9a 78 42 bd 46 4b de 83 db 7a 9f 50 d1 ec ab c4 6d e2 f2 bf 59 6a fe ef d2 31
ressu2 74 75 32 f5 f6 7c bb f4 d5 ad 04 e4 2a c9 e8 32 b1 b1 cf 94 eb 98 a7 4a c2 d0 83 eb 9f 6e 3a 83
ressu2 86 58 34 cd 79 9b 04 85 ee 2f c2 51 29 fa b8 4b 40 19 1c 0f 05 85 ba 04 4b 84 30 ae 2e c4 0f 17
ressu2 86 c8 14 8e 91 77 fe 3b 11 30 5d c6 78 be 85 f4 c9 d5 d9 ac c7 76 0b 22 24 dd 2d 5e c9 17 88 ad
ressu2 d4 f5 20 7d 38 e1 b7 86 57 4d e4 7f 3f 6c 42 d1 12 d0 c4 73 0b e8 84 e8 b9 e6 f5 6f ed ef dc 0b
ressu2 fc 4e 5e 5c 0e 8a b9 be 04 a3 02 68 e2 e8 48 bb 04 30 a9 26 b1 16 74 9d 26 b8 8d bc 66 64 88 23
ressu2 7a 6a 67 a0 c3 66 b1 97 c7 97 74 af c1 09 b2 03 0a 08 20 1d ab 40 3e a5 9a db cf 97 31 fe 04 73
ressu2 f6 50 f8 24 d7 c7 af f7 8c d7 22 39 46 85 83 d9 92 b6 63 49 04 2b 65 cf a6 c9 b0 b8 55 6c 26 37
ressu2 3f 98 ba d6 e0 29 d4 be 68 ed 42 a1 83 b2 a7 db e4 f3 b4 2e d6 3d 93 cc 35 e1 11 d3 e2 8a c6 62
ressu2 3b 85 a6 e4 c6 84 47 57 7c 9d af 6f 79 9e 9e e3 e2 2e be 91 20 ae f5 ea ba 9b a5 d9 09 0f 97 07
ressu2 5c 6c 75 ea ba 46 8d 83 e3 ad 3f 31 1b b2 84 a5 db a3 5b 81 f0 b0 03 ac ed 5a d8 88 d5 2c 1a 85
ressu2 6a 8b 18 85 58 57 8c c0 c8 01 d3 8a e4 79 fb 16 3c a6 18 c7 fb 56 de 53 bf 24 74 bc 74 bb e2 40
ressu2 68 ff 05 f2 11 6a 1c e9 e7 9a f9 39 5b c4 ea 21 89 3a d3 19 d1 c7 da 16 46 d5 7e e5 bd 4c f0 e4
ressu2 57 f9 22 b4 95 a3 10 96 0b 9e b8 d6 7b 73 3e b1 80 1a d1 9b 31 8b 85 2c 0d 63 68 7f d8 78 9b b6
ressu2 a0 c1 8b 86 dc 88 8b 0e 7b a6 91 02 98 ee 6d 14 72 ae 86 6e 93 d1 70 34 32 3c 45 02 6f 9a 51 d9
ressu2 60 bb 99 71 5b db 36 9e d2 92 d8 73 dd 05 a0 32 a2 83 65 47 e7 c5 1d 0c fe 2d 8d 38 1d f1 b0 13
ressu2 0b d3 27 66 f6 d3 2b fd ac 12 3d 02 90 2b 19 ea ba 05 68 5b d7 75 21 d6 a9 8b 18 2e d4 5e bc b5
ressu2 b3 b1 72 bd 7e 9c 5c c3 ae 20 e0 40 b1 aa f6 6d 06 d5 e4 25 99 50 83 29 c8 1a 2d 0f d8 bb 34 34
ressu2 b7 08 02 0a b6 50 7e 18 5c 87 4b db 88 69 b4 91 23 70 d0 2c 1a 63 f9 2b 17 39 ce ba 16 a8 27 8c
ressu2 b3 ed 62 ed a1 0e 21 13 1b a3 4f ff 87 30 71 87 5c b6 e2 4d f2 ab 8f 8d d0 e6 04 45 90 41 4d 2c
ressu2 f4 dd c4 37 55 40 d0 ed 04 29 6f 82 57 a3 15 1f 39 b0 d2 b7 c2 84 54 a3 01 e3 8a 11 83 b6 1a c2
ressu2 58 d2 54 e0 73 cc e3 76 99 d3 10 a3 37 21 34 93 ff 77 2e cf a6 cb 64 02 6f 19 4e a5 67 84 a3 7b
ressu2 28 2e b3 25 0f 4e 7a eb e6 45 fd 26 90 b1 05 74 cd a3 29 5f f9 f8 ad 6d 50 d7 cf 85 68 f0 29 c6
ressu2 92 c9 24 06 4e 84 0c de 96 e9 1f 63 01 98 a2 a6 ef f7 d9 87 91 cf 8b 3d c7 26 41 2a bb be 80 39
ressu2 11 e3 71 a5 b8 be 43 3a 1d d6 45 a4 59 b3 28 80 16 9a fb b0 51 b4 19 ff 2f 81 df e7 84 ff 0d a8
ressu2 45 ce 58 0e 6e fa 5d fb 7d e4 e7 27 3a b0 8e dd 9e 97 e2 e5 31 90 2d 3f 85 6f 9e 3f f1 0c aa 15
ressu2 d9 92 c7 db 6c 21 d7 65 3d 72 a2 97 29 3b 38 cb 35 82 8b cd 44 d3 55 51 65 5e 0c fb 67 a6 ee a7
ressu2 aa 28 84 9c 91 75 db e5 2d e9 d5 2b 7c 85 ad f0 fb 9f 8d c5 70 37 a1 4c a7 94 81 1a 08 b5 cf 32
ressu2 b1 03 9a 87 ec 9f c7 ad 2f f3 50 ab 62 05 9b d6 34 03 7f 6a 3d 8b 1f 97 c1 7c 95 0f c9 5a df c9
ressu2 e0 35 a2 9c 30 7f e9 95 fc aa 2d c3 0c 08 ac 34 ca 7f ff aa e7 61 6b 03 5d 90 23 cd 07 cd 34 41
ressu2 e9 ca 7e 0c 5a f3 58 b3 df 7a f9 d0 68 2f bf e6 d1 35 84 42 60 b3 41 ef cd c1 26 04 fe 97 4a 8b
ressu2 e2 e2 d1 93 f1 f7 da 7a 79 ce 55 c5 9f e6 96 b4 0d 4d 0a bf fe 4e 5c cd ab 47 1b 0a ef 09 81 2f
ressu2 99 74 5f 83 02 0a ed 08 ef 08 4c 01 9d cb 79 b4 86 31 ab 9d d6 dc 55 71 c2 ce 6f 10 86 36 15 54
ressu2 f5 07 53 6b c4 ed 16 56 04 50 e0 66 4c 87 01 dd a7 93 49 28 ce 29 6c ab 96 f7 88 f2 78 07 4e ad
ressu2 fd 36 96 c0 ee 26 d5 37 e6 99 13 28 58 b7 64 31 78 54 e1 86 9f 73 8d a1 4a a6 97 1d 3f 86 7d ef
ressu2 2a df 1a e8 03 84 60 70 a7 99 bc a5 fb bb 45 dd 17 3e e6 ac 44 1e 9a cd c2 c2 68 cb 5a b4 d8 bc
ressu2 78 1d 29 7d 19 72 81 dc 17 37 56 30 5a 68 71 16 cf ed c2 61 43 9f 52 10 0b 7e 48 ee cc 32 a1 d4
ressu2 da 94 bd 2a 82 63 8e 57 97 fc 98 e8 c3 c5 29 18 d7 9e 00 07 be 82 aa 10 0f b7 52 03 45 ed f3 95
ressu2 79 c7 64 d6 ac ed 0e b7 6b 4f 14 d2 8f 17 c1 77 f3 41 a9 37 47 b2 53 b3 68 f8 2f b7 84 2e 4c e4
data 1 6b e5 ae c4 49 f3 fe 52 e9 1a 11 40 96 56 b4 06 8a 19 3f b6 1e da 39 f4 f6 e8 09 0a d0 4a 84 c5
data 1 3c 7f 0b b6 0d 57 8b 93 56 72 80 f7 87 4a 26 a4 fb d5 9f ac bc 5c 1a 73 f0 54 cf c5 ed 23 48 f7
data 1 7d 8a c9 e9 f9 72 58 39 ab 6f b6 8c 60 89 6a 1c bb 77 09 15 f2 56 ca c6 07 c3 82 90 c3 83 04 9d
data 1 21 57 16 94 b5 5c 18 c7 18 99 16 57 06 4c e9 18 b5 36 5b fd 37 9e 32 e1 b7 9f ec cb 8f f3 6b c8
data 1 a5 15 c7 36 c0 ca ea af f2 09 68 b5 cb 49 bb 55 ef 3d 8e 10 cc ae 63 81 de 7c 35 a0 0b 56 d5 3f
data 1 1c 5f b9 6e d9 b9 79 89 12 d0 14 a8 c7 c6 45 03 fa 89 13 23 23 52 63 5b 39 0e 6c 6d a4 bd 86 7d
data 1 f4 74 71 66 90 ef 50 2e d2 bd 9d e3 47 1e 46 b2 f5 57 79 d7 91 14 50 05 fb 7f d1 fc f1 0a 5f 69
data 1 12 a7 01 5a 6a 69 bb c7 91 93 4c 3d 26 48 9c fb b6 d6 0f 21 13 73 f9 af ec 46 c0 5d f6 8c 88 f1
data 1 7a 43 3b b2 ab 91 fd 8b 7b a1 f4 c0 25 35 e9 03 c7 ef b2 8e b2 4e 04 c4 ac 90 f8 18 b7 fd 5b 4f
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data 3 de 5e 66 53 c4 06 af e9 94 bb fe c2 3f 9c 4e 4b 8e 2b 54 0e 27 d2 5e 07 53 49 d2 57 a4 f9 9b 49
data 3 83 0c 7a 2c 1b 55 dd c0 de 7a 59 78 15 ec 9f e9 a7 4e 5a 00 74 c8 64 88 39 5e fb 16 da a7 1a 3a
data 3 88 9f 5e fe c9 28 a3 d0 dc 9d 51 ba c8 7f 99 0f 69 52 73 ea c0 6d b3 97 8b 9e 0c 60 58 b8 46 65
data 3 54 0b c7 f6 2d 46 4f fd a8 23 aa 7c e5 58 1c 03 fc 4d 81 e9 70 17 36 b5 4d a2 14 8e 78 01 76 28
data 3 ce 70 79 81 16 a7 54 54 b3 bd d2 77 38 79 f2 9f ce e0 28 4a 09 24 eb e4 b2 18 da f4 1c d0 c3 9c
data 3 ef 8c 78 6a 42 bc 99 6f 39 81 0b 14 4b 08 3f 95 91 5f 51 e6 3b 9c 2f 52 37 d6 45 53 31 8c 7a c7
data 3 9e e5 ef e4 c9 74 8e 3b 41 42 b0 dc cd 70 81 68 99 a0 a9 04 39 8b 27 ae 37 94 91 b5 cd 1a 15 74
data 3 14 49 75 68 0b 8d dc 83 1d 5d 37 c9 95 bb 88 97 8c 9f 7e 38 c6 a2 cf e2 5e 4f 6b de 3e f3 b1 dc
00000 65e51da2967935b435ff5f2183901b8672027ec22300d2de549779f77334dfbb
00001 e487a28b41bac8837561aa887690c3c9577d6b50a6e5e7a47f2042b47553112b
00002 b9c1c758a3c97d3fccff0537b7d6f9ef313aa5d9db83ffe61efb6ddd541e2d13
00003 57398b5f5f26fd10b092f9d11c1ff93b8b6a9defbf5e2223b916b9dcc6a1dbb0
00004 23d00ca1af2ffaa2900fe7c2982e4be0f13cdb91ab90ef6bc1fe5c894bf92f9c
00005 5aab302ddabb8896ab02d4f60c232e84031ceb654935b0c00f712e9d35dd5044
00006 9209eb7b814444a7ea2a5daeb1e6605fb559c98c264f6394280cc5432f736c98
00007 eeec105ea6fbf4dfc3bc6cb456ffaa6a723683376f04e10e97477917073fe6ce
00008 4ebf73b5d103bfb04d606b5baa7d2836f9974e5fc6a457bc870116cde8b522df
00009 ae1b23f6070e7bf9bc69027622e096f1fcc09a5f932c216ad5cfd5e28bfd79ca
$Dieharder testilista ressu2twist pseudorandom generaattorista: dieharder ok, muutama weak ja ei failed:eja suurissa tiedostoissa.
'input' = "ressu2twist", 'filesize' = "500m", 'filename' = "newressusample2778.rnd", 'weak' = "5", 'failed' = "1"
'input' = "ressu2twist", 'filesize' = "600m", 'filename' = "newressusample2779.rnd", 'weak' = "8", 'failed' = "2"
'input' = "ressu2twist", 'filesize' = "700m", 'filename' = "newressusample2780.rnd", 'weak' = "5", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "800m", 'filename' = "newressusample2781.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "900m", 'filename' = "newressusample2782.rnd", 'weak' = "8", 'failed' = "1"
'input' = "ressu2twist", 'filesize' = "1g", 'filename' = "newressusample2783.rnd", 'weak' = "3", 'failed' = "1"
'input' = "ressu2twist", 'filesize' = "1g100m", 'filename' = "newressusample2784.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g200m", 'filename' = "newressusample2785.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g300m", 'filename' = "newressusample2786.rnd", 'weak' = "1", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g400m", 'filename' = "newressusample2787.rnd", 'weak' = "0", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g500m", 'filename' = "newressusample2788.rnd", 'weak' = "4", 'failed' = "1"
'input' = "ressu2twist", 'filesize' = "1g600m", 'filename' = "newressusample2789.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g700m", 'filename' = "newressusample2790.rnd", 'weak' = "4", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "1g800m", 'filename' = "newressusample2791.rnd", 'weak' = "7", 'failed' = "1"
'input' = "ressu2twist", 'filesize' = "1g900m", 'filename' = "newressusample2792.rnd", 'weak' = "2", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "2g", 'filename' = "newressusample2793.rnd", 'weak' = "5", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "3g", 'filename' = "newressusample2794.rnd", 'weak' = "3", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "4g", 'filename' = "newressusample2795.rnd", 'weak' = "1", 'failed' = "0"
'input' = "ressu2twist", 'filesize' = "5g", 'filename' = "newressusample2796.rnd", 'weak' = "2", 'failed' = "0"Vielä satunnaisuutta ressu2twist generaattorilla:
$ ./newressu --ressu2twist
00000 97012444102407788340267540519313056532607654063931610847036438082
00001 98649208498167169566177225621238699856816713087763493593959549374
00002 69310498922985186301871846630085994665595163512419208272134600903
00003 96139140967401247215761519708794100411697096648224731288486707361
00004 57572337836371786813024524739843379385983343549997012755834167559
00005 55656248944311459538961285615864423250930141563621549234124875963
00006 47175878589975997515322804227759286750190797730133449580624493986
00007 24045292500648098243161140595704526558693648443527733894821995285
00008 99455943065099852048076347542492705346556519891431654094159969073
00009 92903134932749129398699576971062767644868831486048109060567885495
$Edellisessä versiossa copy reverse:ssä käytettiin clock() funktiolla prosessin aikaa, lisätty tuo samainen funktio ressu2_round funktioon. Seuraavassa mallituloste clock():sta:
$ cat clock.c
#include <stdio.h>
#include <time.h>
void main(int argc, char *argv[])
{
int c, d;
unsigned char buffer[32];
fprintf(stdout,"clock:%02lu\n", (unsigned long)clock());
for(c = 0; c < 10; c++) {
for(d = 0; d < sizeof(buffer); d++)
buffer[d] = clock() & 0xff;
for(d = 0; d < sizeof(buffer); d++)
fprintf(stdout,"%02x", buffer[d]);
fprintf(stdout,"\n");
}
}
$ cc clock.c -o clock
$ ./clock
clock:907
d0d1d1d2d2d3d4d4d5d5d6d6d7d7d8d9d9dadadbdbdcdcdddededfdfe0e0e1e1
f1f2f2f3f3f4f4f5f5f6f7f7f8f8f9f9fafbfbfcfcfdfdfefeff000001010202
12131314141515161717181819191a1d1e1f1f20202121222223232425252626
313132323334343535363637373838393a3a3b3b3c3c3d3d3e3f3f4040414142
494a4a4b4b4c4c4d4e4e4f4f5050515152535354545555565657575859595a5a
6262636364646565666667686869696a6a6b6b6c6d6d6e6e6f6f707071717273
7a7a7b7b7c7d7d7e7e7f7f8080818182838384848585868687888889898c8c8d
949595969697979899999a9a9b9b9c9c9d9d9e9f9fa0a0a1a1a2a2a3a4a4a5a5
acadaeaeafafb0b0b1b1b2b2b3b4b4b5b5b6b6b7b7b8b9b9bababbbbbcbcbdbd
c5c5c6c6c7c8c8c9c9cacacbcbcccccdcececfcfd0d0d1d1d2d3d3d4d4d5d5d6
$ Ja uusi versio ressu2 rutiineista: uusi koodi on rakennettu g-muuttujan ympärille ressu2_round():ssa.
static int randomness = 0;
#define RESSU_ROTATELEFT8(byte, bits) ( ((byte) >> (8 - (bits))) | ((byte) << (bits)) )
...
static void ressu2_round(int size, unsigned char *buffer) // ressu JariK 2013
{
int c, d, byte;
unsigned char e;
static int f = 0, prevbyte = -1;
static unsigned char g = 0;
for(c = 0; c < 8; c++) { // eight bits per byte
for(d = 0; d < size; d++) { // rotate + xor
e = buffer[d];
e = RESSU_ROTATELEFT8(e, 1); // rotate byte left 1 bits
byte = ressu_lowusec();
buffer[d] = e ^ byte; // exclusive or data with byte
if(prevbyte != byte) {
prevbyte = byte;
randomness++;
}
}
for(d = 0; d < size; d++) { // swap
g = g << 1;
g ^= buffer[d];
g ^= (clock() & 0xff); // processor time (for randomness)
f = (f + g + 2) % size;
e = buffer[d];
buffer[d] = buffer[f];
buffer[f] = e;
}
}
}
#define DEBUG16A 2
#define aDEBUG17 2
#define RESSU2_BYTES 2048
#define RESSU2_RANDOMNESS_NEEDED 2048
#define RESSU2_CLOCKS_NEEDED 20480 // now 20480
#define RESSU2_MINIMUM_ROUNDS 5
void ressu2_bytes(int size, unsigned char *buffer)
{
int c, d, clocksused;
static int ressu_pos = 0;
static unsigned char ressu[RESSU2_BYTES];
for(c = 0; c < size; c++) {
if(ressu_pos == 0) {
randomness = 0;
clocksused = 0;
for(d = 0; d < RESSU2_MINIMUM_ROUNDS ||
randomness < RESSU2_RANDOMNESS_NEEDED ||
clocksused < RESSU2_CLOCKS_NEEDED
; d++) {
ressu2_round(sizeof(ressu), ressu);
clocksused += (sizeof(ressu) * 8);
}
#ifdef DEBUG17
ressu_dump("ressu2", sizeof(ressu), ressu, 32);
#endif
#ifdef DEBUG16A
if(stats) {
fprintf(stdout,"rounds:%d", d);
fprintf(stdout,", randomness:%d", randomness);
fprintf(stdout,", clocksused:%d", clocksused);
fprintf(stdout,"\n");
}
#endif
} // end of if(ressu_pos == 0
buffer[c] ^= ressu[ressu_pos];
ressu_pos = (ressu_pos + 1) % sizeof(ressu);
} // end of for(c = 0; c < size; c++
#ifdef DEBUG17
ressu_dump("data 1", size, buffer, 32);
#endif
}dbs3.c lähdekoodi kokonaisuudessaan
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <poll.h>
#include <fcntl.h>
#include <errno.h>
#include "sha256.h"
char *programname = "DBS3 version 0.14 ©";
unsigned char *procname;
unsigned char *myport = "5000";
unsigned char homedir[128];
unsigned char *htmlin;
int htmlinlen = 128;
unsigned char *htmlparams = NULL;
int dbs_output = 0;
void dbs_dump(unsigned char *header, int len, unsigned char *buf, int linelen)
{
int c;
if(dbs_output) {
fprintf(stdout,"\n");
dbs_output = 0;
}
for(c = 0; c < len; c++) {
if(c % linelen == 0) {
if(c > 0)
fprintf(stdout,"\n");
fprintf(stdout,"%-10s", header);
}
fprintf(stdout," %02x", buf[c]);
}
fprintf(stdout,"\n");
fflush(stdout);
}
#include <stdarg.h>
unsigned char log_filename[128] = "dbs3.log";
unsigned char log_childfile[128] = "dbs3child.log"; // for zombihunt
int log_mode = 1; // 1 = main, 2 = child
#include <time.h>
void log_wait(); // cross-use with log_printf() routines
void log_post();
void log_printf_valist(FILE *fp1, const char *format, va_list ap) // JariK 2025
{
int count;
static char *printbuf = NULL;
static int printbuf_len = 0;
static int printtime = 1;
va_list ap2;
va_copy(ap2, ap);
count = vsnprintf(printbuf, printbuf_len, format, ap) + 1;
if(printbuf_len < count) {
printbuf_len = count;
printbuf = realloc(printbuf, printbuf_len);
count = vsnprintf(printbuf, printbuf_len, format, ap2) + 1;
}
// print all characters from printbuf.
// print all characters to log adding time and date.
fputs(printbuf, fp1);
FILE *fp2;
if((fp2 = fopen(log_filename, "a")) != NULL) {
if(printtime) {
time_t now = time(NULL);
unsigned char timestamp[32];
log_wait(); // JariK 2025
strftime(timestamp, sizeof(timestamp), "%Y%m%d%H%M%S%Z", localtime((time_t *)&now));
fputs(timestamp, fp2);
fputc(' ', fp2);
if(log_mode == 2)
fprintf(fp2,"%d ",getpid()); // process id of child
printtime = 0;
}
fputs(printbuf, fp2);
fclose(fp2);
if(printbuf[strlen(printbuf) - 1] == '\n') {
printtime = 1;
log_post(); // JariK 2025
}
}
if(log_mode == 2) {
if((fp2 = fopen(log_childfile, "a")) != NULL) {
fputs(printbuf, fp2);
fclose(fp2);
}
}
}
#ifdef OLD1
void log_printf(const char *format, ...) // JariK 2025
{
int count;
va_list args;
static char *printbuf = NULL;
static int printbuf_len = 0;
static int printtime = 1;
va_start(args, format);
count = vsnprintf(printbuf, printbuf_len, format, args) + 1;
va_end(args);
if(printbuf_len < count) {
printbuf_len = count;
printbuf = realloc(printbuf, printbuf_len);
va_start(args, format);
count = vsnprintf(printbuf, printbuf_len, format, args) + 1;
va_end(args);
}
// print all characters from printbuf.
// print all characters to log adding time and date.
fputs(printbuf, stdout);
FILE *fp1;
if((fp1 = fopen(log_filename, "a")) != NULL) {
if(printtime) {
time_t now = time(NULL);
unsigned char timestamp[32];
log_wait(); // JariK 2025
strftime(timestamp, sizeof(timestamp), "%Y%m%d%H%M%S%Z", localtime((time_t *)&now));
fputs(timestamp, fp1);
fputc(' ', fp1);
printtime = 0;
}
fputs(printbuf, fp1);
fclose(fp1);
if(printbuf[strlen(printbuf) - 1] == '\n') {
printtime = 1;
log_post(); // JariK 2025
}
}
if(log_mode == 2) {
if((fp1 = fopen(log_childfile, "a")) != NULL) {
fputs(printbuf, fp1);
fclose(fp1);
}
}
}
#endif // end of #ifdef OLD1
void log_printf(const char *format, ...) // JariK 2025
{
va_list args;
va_start(args, format);
log_printf_valist(stdout, format, args);
//fprintf(stdout,format, args);
va_end(args);
}
void log_errprintf(const char *format, ...) // JariK 2025
{
va_list args;
va_start(args, format);
log_printf_valist(stderr, format, args);
//fprintf(stdout,format, args);
va_end(args);
}
#include <semaphore.h>
#include <signal.h>
static sem_t *logmutex = NULL;
static char logsemname[32] = "dbs3log.sem";
void log_wait() // JariK 2025
{
signal(SIGINT, SIG_IGN);
if(logmutex == NULL) {
if((logmutex = sem_open(logsemname, 0, 0644, 1)) == SEM_FAILED) {
if((logmutex = sem_open(logsemname, O_CREAT, 0644, 1)) == SEM_FAILED) {
//if((mutex = sem_open(semname, O_CREAT | O_EXCL, 0644, 1)) == SEM_FAILED) {
log_errprintf("%s: log_wait: cannot sem_open()", procname);
log_errprintf(" errno %d", errno);
log_errprintf("(%s)\n", strerror(errno));
perror("sem_open");
}
}
}
if(sem_wait(logmutex) == -1) {
log_errprintf("%s: log_wait: cannot sem_wait()", procname);
log_errprintf(", errno: %d", errno);
log_errprintf("(%s)\n", strerror(errno));
perror("sem_wait");
}
}
void log_post() // JariK 2025
{
if(sem_post(logmutex) == -1) {
log_errprintf( "%s: log_post: cannot sem_post()", procname);
log_errprintf( ", errno: %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("sem_post");
}
sem_close(logmutex);
logmutex = NULL;
signal(SIGINT, SIG_DFL);
}
void log_dump(unsigned char *header, int len, unsigned char *buf, int linelen)
{
int c;
for(c = 0; c < len; c++) {
if(c % linelen == 0) {
if(c > 0)
log_printf("\n");
log_printf("%-10s", header);
}
log_printf(" %02x", buf[c]);
}
log_printf("\n");
}
static void log_clear()
{
}
static void log_dump_string(unsigned char *line)
{
}
#define HTML_BUFFERS 9
int html_now = 0;
unsigned char *html[] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
int html_size[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
void html_set(int bufno)
{
html_now = bufno;
if(html[bufno] == NULL) {
html_size[bufno] = 10;
html[bufno] = malloc(html_size[bufno]);
}
}
int html_get()
{
return(html_now);
}
unsigned char *html_get_string(int bufno)
{
return(html[bufno]);
}
void html_clear()
{
html_set(html_now);
html[html_now][0] = '\0';
}
void html_clear_all()
{
int c;
for(c = 0; c < HTML_BUFFERS; c++) {
html_set(c);
html_clear();
}
}
static void html_printf_valist(const char *format, va_list ap)
{
int count;
static char *printbuf = NULL;
static int printbuf_len = 0;
va_list ap2;
va_copy(ap2, ap);
count = vsnprintf(printbuf, printbuf_len, format, ap) + 1;
if(printbuf_len < count) {
printbuf_len = count;
printbuf = realloc(printbuf, printbuf_len);
count = vsnprintf(printbuf, printbuf_len, format, ap2) + 1;
}
if(html_size[html_now] <
strlen(html[html_now]) +
strlen(printbuf) + 1) {
html_size[html_now] =
strlen(html[html_now]) +
strlen(printbuf) + 1;
html[html_now] = realloc(html[html_now], html_size[html_now]);
}
strcpy(html[html_now] + strlen(html[html_now]), printbuf);
}
void html_printf(const char *format, ...)
{
va_list args;
va_start(args, format);
html_printf_valist(format, args);
//fprintf(stdout,format, args);
va_end(args);
}
void html_buf_printf(int bufno, const char *format, ...)
{
int save_html;
va_list args;
save_html = html_get();
html_set(bufno);
va_start(args, format);
html_printf_valist(format, args);
va_end(args);
html_set(save_html);
}
int indent;
int printedchars = 0;
#define aDEBUG28
void html_out_crlf()
{
if(printedchars) {
#ifdef DEBUG28
fprintf(stdout,"(%d)", indent * 8 + printedchars);
#endif
html_printf("\n");
#ifdef DEBUG28
fprintf(stdout,"\n");
#endif
for(int c = 0; c < indent; c++) {
html_printf("\t");
#ifdef DEBUG28
fprintf(stdout,"\t");
#endif
}
printedchars = 0;
}
}
#define aDEBUG31 2
void html_parse_name(int size, unsigned char *name, unsigned char **p2)
{
int count;
unsigned char *p, *n;
p = *p2;
count = 0;
n = name;
while(isalpha(*p) || isdigit(*p) || *p == '!') {
if(++count < size)
*n++ = *p;
p++;
count++;
}
*n = '\0';
#ifdef DEBUG31
fprintf(stdout,"[name:%s]", name);
#endif
}
#define aDEBUG36 2
#define aDEBUG37 2
void html_indent(unsigned char *p2) // 2021 JariK
{
int space, ch, tags, tagfound, intag, inchar;
unsigned char *p, *q, *q2, name[32], tag[48];
p = p2;
ch = 0;
indent = 0;
inchar = 0;
while(*p != '\0') {
space = 0;
while(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ') {
p++;
space = 1;
}
if(!strncmp(p,"<br>", 4)) {
p += 4;
html_printf("<br>");
#ifdef DEBUG36
fprintf(stdout,"<br>");
#endif
printedchars += 4;
while(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ')
p++;
#ifdef DEBUG36
fprintf(stdout,"[nextchar:%c]", *p);
#endif
if(strncmp(p,"</", 2))
html_out_crlf();
}
if(!strncmp(p,"</", 2)) { // Check for end tag
q2 = p;
p += 2;
q = p;
html_parse_name(sizeof(name), name, &q);
q = q2 - 1;
tags = 0;
tagfound = 0;
// Search for start tag backward
sprintf(tag,"<%s", name);
while(q >= p2) {
if(*q == '<') {
if(!strncmp(tag, q, strlen(tag))) {
#ifdef DEBUG36
fprintf(stdout,"[tag:%s]", tag);
#endif
tagfound = 1;
break;
} else
tags++;
}
q--;
}
if(tags && indent > 0) {
indent--;
#ifdef DEBUG36
fprintf(stdout,"[indent:%d]", indent);
fprintf(stdout,"[tagfound:%d]", tagfound);
#endif
html_out_crlf();
}
html_printf("</");
#ifdef DEBUG36
fprintf(stdout,"</");
#endif
space = 0;
intag = 1;
inchar = 0;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
printedchars += 2;
} else if(*p == '<') { // Check for start tag
p++;
q = p;
html_parse_name(sizeof(name), name, &q);
tags = 0;
tagfound = 0;
// Search for end tag forward
sprintf(tag,"</%s", name);
while(*q != '\0') {
if(*q == '<') {
if(!strncmp(tag, q, strlen(tag))) {
#ifdef DEBUG36
fprintf(stdout,"[tag:%s]", tag);
#endif
tagfound = 1;
break;
} else
tags++;
}
q++;
}
html_out_crlf();
if(tags && tagfound) {
indent++;
#ifdef DEBUG36
fprintf(stdout,"[indent:%d]", indent);
fprintf(stdout,"[tagfound:%d]", tagfound);
#endif
}
html_printf("<");
#ifdef DEBUG36
fprintf(stdout,"<");
#endif
space = 0;
intag = 1;
inchar = 0;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
printedchars++;
} else if((isprint(*p) || *p>=128) && *p!='\0') {
if(!inchar && !intag) {
inchar = 1;
#ifdef DEBUG36
fprintf(stdout,"[inchar:%d]", inchar);
#endif
//html_out_crlf();
}
int count = 0;
for(q = p; (isprint(*q) || *q>=128) && *q!='\0'; q++) {
if(*q == '\r' || *q == '\n' || *q == '\t' || *q == ' ')
break;
#ifdef DEBUG36
fprintf(stdout,"%c", *q);
#endif
count++;
}
#ifdef DEBUG36
fprintf(stdout,"(%d)", count);
#endif
}
int chars = 0;
// calculate number of chars
q = p;
while((*q != '<' && (isprint(*q) || *q >= 128)) && *q != '\0') {
if(*q == '\r' || *q == '\n' || *q == '\t' || *q == ' ')
break;
if(*q < 0x80 || *q > 0xbf) // utf8 too
chars++;
if(*q == '>')
break;
q++;
}
// print line break if needed
if(indent * 8 + printedchars + chars > 100 && !intag) {
html_out_crlf(); // print nl+indent
space = 0;
}
// print space if needed
if(ch != '>' && // no space after tag
*p != '<' && // no space before tag
printedchars > 0 &&
space) {
html_printf(" ");
#ifdef DEBUG36
fprintf(stdout," ");
#endif
space = 0;
}
//print the string
while((*p != '<' && (isprint(*p) || *p >= 128)) && *p != '\0') {
if(*p == '>') {
intag = 0;
}
if(*p == '\r' || *p == '\n' || *p == '\t' || *p == ' ')
break;
ch = *p;
html_printf("%c", *p);
#ifdef DEBUG36
fprintf(stdout,"%c", *p);
#endif
printedchars++;
if(*p == '>') {
p++;
break;
}
p++;
}
#ifdef DEBUG36
fprintf(stdout,"(%d)", chars);
#endif
} //while(*p!='\0')
#ifdef DEBUG37
fprintf(stdout,"%s", html[html_now]);
#endif
}
#define backlog 64
int s = -1, news;
//char cert_file[128] = "/etc/letsencrypt/live/moijari.com/fullchain.pem";
//char privatekey_file[128] = "/etc/letsencrypt/live/moijari.com/privkey.pem";
char cert_file[128] = "fullchain.pem";
char privatekey_file[128] = "privkey.pem";
#define HTMLTIMEFORMAT "%a, %d %b %Y %H:%M:%S GMT"
unsigned char htmlmethod[10];
unsigned char htmlpath[128];
unsigned char htmlversion[32];
unsigned char htmlfilename[64];
unsigned char htmlfileextension[10];
unsigned char htmlhost[32];
unsigned char htmluseragent[1024];
unsigned char htmlcookie[1024];
unsigned char htmlreferer[128];
unsigned char htmlsessionid[33];
unsigned char htmldigest[HashLen * 2 + 1];
unsigned char htmlmode[10];
unsigned char htmllanguage[10];
unsigned char htmltimeshort[32];
unsigned char htmltime[32];
unsigned char htmlsslcipher[64];
static unsigned char *dbs_html_get_request_line(unsigned char *name, int lenbuffer, unsigned char *buffer)
{
int len;
unsigned char *p, *q, tag[32];
p = htmlin;
#ifdef DEBUG11
fprintf(stdout,"Data:");
dump_string(stdout, p);
fprintf(stdout,"\n");
#endif
sprintf(tag, "\r\n%s:", name);
while(*p != '\0') {
if(!strncmp(p, tag, strlen(tag))) {
p += strlen(tag);
while(isblank(*p))
p++;
q = buffer;
len = 0;
while(*p != '\r' && *p != '\n' && *p != '\0') {
if(++len < lenbuffer)
*q++ = *p;
p++;
}
*q = '\0';
return(buffer);
}
if(*p != '\0')
p++;
}
return(NULL);
}
static void dbs_html_get_request_line_num(unsigned char *name, int lenbuffer, unsigned char *buffer)
{
unsigned char *p;
if((p = dbs_html_get_request_line(name, lenbuffer, buffer)) == NULL)
sprintf(buffer,"0");
#ifdef OLD1
else {
int len = 0;
unsigned char *n = buffer;
while(isdigit(*p)) {
if(++len < lenbuffer)
*n++ = *p;
p++;
}
*n = '\0';
}
#endif
}
void dbs_get_cookie(unsigned char *name, int valuelen, unsigned char *value)
{
int len;
unsigned char *p, *n;
value[0] = '\0';
p = htmlcookie;
while(*p != '\0') {
while(isblank(*p))
p++;
if(!strncmp(p, name, strlen(name))) {
p += strlen(name);
while(isblank(*p))
p++;
if(*p == '=')
p++;
while(isblank(*p))
p++;
n = value;
len = 0;
while(*p != ';' && (isprint(*p) || *p >= 0x80)) { // utf8 chars too
if(++len < valuelen)
*n++ = *p;
p++;
}
*n = '\0';
return;
}
while(*p != ';' && *p != '\n' && *p != '\0')
p++;
if(*p == ';')
p++;
while(isblank(*p))
p++;
}
}
static void dbs_html_parse_string(int buflen, char *buf, unsigned char **p2)
{
int len;
unsigned char *p;
p = *p2;
len = 0;
while(*p != '\0' && !isblank(*p) && *p != '\n' && *p != '\r') {
if(++len < buflen) {
*buf++ = *p;
}
p++;
}
*buf = '\0';
while(isblank(*p))
p++;
*p2 = p;
}
static void dbs_parse_filename(int buflen, char *buf, unsigned char *p)
{
int len;
unsigned char *n;
len = 0;
n = buf;
while(*p != '\0') {
if(*p == '/') {
n = buf;
len = 0;
} else {
if(++len < buflen)
*n++ = *p;
}
p++;
}
*n = '\0';
}
void dbs_parse_extension(int buflen, char *buf, unsigned char *p)
{
int len;
unsigned char *n;
len = 0;
n = buf;
while(*p != '\0') {
if(*p == '.') {
n = buf;
len = 0;
} else {
if(++len < buflen)
*n++ = *p;
}
p++;
}
*n = '\0';
}
static unsigned char *dbs_html_get_params()
{
int ok = 0;
unsigned char *p = htmlin;
while(*p != '\0') {
if(!strncmp(p,"\r\n\r\n", 4)) {
p += 4;
ok = 1;
break;
}
p++;
}
if(ok)
return(p);
else
return(NULL);
}
static void dbs_time_vars()
{
}
#define HTML_HEADER_BUFFER 0
#define HTML_PAYLOAD_BUFFER 1
#define HTML_FOREIGN_BUFFER 2
#define HTML_QUERY_BUFFER 3
#define HTML_LAST_BUFFER 4
void dba_app_footer()
{
html_printf("<p>%s", programname);
html_printf(", sha256(%s)", htmldigest);
html_printf("</p>");
#ifdef OLD1
html_printf("<br><br>%s, sha256(%s)<br><br>",
programname, htmldigest);
#endif
}
static void dba_loop()
{
unsigned char buffer30[30];
log_printf("entering dba_loop()\n");
if(!strcmp(htmlfileextension,"ico") ||
!strcmp(htmlfileextension,"png")) {
html_clear_all();
html_set(HTML_HEADER_BUFFER);
html_printf("HTTP/1.0 404 ERROR\r\n");
html_printf("Location: \r\n");
html_printf("Server: %s\r\n", programname);
return;
}
log_printf("fetching cookies\n");
dbs_get_cookie("terttu_sessionid", sizeof(htmlsessionid), htmlsessionid);
log_printf("htmlsessionid: \"%s\"\n", htmlsessionid);
dbs_get_cookie("terttu_mode", sizeof(htmlmode), htmlmode);
log_printf("htmlmode: \"%s\"\n", htmlmode);
dbs_get_cookie("terttu_language", sizeof(htmllanguage), htmllanguage);
log_printf("htmllanguage: \"%s\"\n", htmllanguage);
//dbs_get_cookie("ääkköskooki", sizeof(buffer30), buffer30);
//log_printf("ääkköskooki: \"%s\"\n", buffer30);
log_printf("end fetching cookies\n");
html_set(HTML_HEADER_BUFFER);
html_printf("HTTP/1.0 200 OK\r\n");
html_printf("Location: \r\n");
html_printf("Server: %s\r\n", programname);
html_set(HTML_PAYLOAD_BUFFER);
html_printf("<!doctype html>\r\n");
html_printf("<html lang=\"fi\">");
html_printf("<head>");
html_printf("<meta charset=\"utf-8\">");
html_printf("<title>dbs3</title>");
html_printf("<meta name=\"author\" content=\"Jari Kuivaniemi\">");
html_printf("<meta name=\"copyright\" content=\"Jari Kuivaniemi\">");
html_printf("<meta name=\"format-detection\" content=\"telephone=no\">"); // Safari
html_printf("<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">");
html_printf("</head>");
html_printf("<body>");
html_printf("<h1>Hello world!</h1>");
html_printf("<p>Tämä on artikkelin <a href=\"https://moijari.com?p=2990\">https://moijari.com?p=2990</a> testiohjelma.");
html_printf(" Ohjelma löytyy tästä linkistä <a href=\"https://moijari.com:5008\">https://moijari.com:5008</a>.</p>");
FILE *fp1;
unsigned char buffer[1024];
if((fp1 = popen("./newressu","r")) != NULL) {
html_printf("<p>Seuraava kappale sisältää ressun tekemiä satunnaisbittejä.");
html_printf(" Ne ovat tässä vain tilan täytteeksi.</p>");
html_printf("<code>");
while(fgets(buffer, sizeof(buffer), fp1) != NULL) {
html_printf("%s<br>", buffer);
}
html_printf("</code>");
pclose(fp1);
}
//html_printf("<p>Tässä on <b>Boldia tekstiä</b>. Tämä taas <u>alleviivattua tekstiä</u>.</p>");
//html_printf("<p>Tämä on artikkelin https://moijari.com/?p=2990 testiohjelma.");
//html_printf(" Ohjelma löytyy linkistä https://moijari.com:5008/.</p>");
html_set(HTML_LAST_BUFFER);
html_clear();
dba_app_footer();
html_printf("</body>");
html_printf("</html>");
time_t now;
unsigned char timebuf[128];
html_set(HTML_HEADER_BUFFER);
now = time(NULL);
strftime(timebuf, sizeof(timebuf), HTMLTIMEFORMAT, gmtime(&now));
html_printf("Date: %s\r\n", timebuf);
//html_printf("Set-Cookie: ääkköskooki=99öökköskooki; Max-Age=360\r\n");
}
static void dba_loop2()
{
int c, len;
log_printf("entering dba_loop2()\n");
html_set(HTML_HEADER_BUFFER);
len = strlen(html_get_string(1)) +
strlen(html_get_string(2)) +
strlen(html_get_string(3)) +
strlen(html_get_string(4)) +
strlen(html_get_string(5)) +
strlen(html_get_string(6)) +
strlen(html_get_string(7)) +
strlen(html_get_string(8));
html_printf("Content-Length: %d\r\n", len);
unsigned char hash[HashLen];
HashCtx ctx;
#define DEBUG46 2
#ifdef DEBUG46
FILE *fp1;
char *filename = "dbs3sha.deb";
if((fp1 = fopen(filename, "w")) == NULL) {
log_errprintf("%s: cannot open file %s\n", procname, filename);
exit(1);
}
#endif
HashInit(&ctx);
for(c = 1; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)) > 0) {
HashUpdate(&ctx, html_get_string(c), strlen(html_get_string(c)));
//fprintf(stdout,"%d \"%s\"\n", c, html_get_string(c));
#ifdef DEBUG46
fwrite(html_get_string(c), strlen(html_get_string(c)), 1, fp1);
#endif
}
}
HashFinal(hash, &ctx);
#ifdef DEBUG46
fclose(fp1);
#endif
html_printf("SHA256: ");
for(c = 0; c < sizeof(hash); c++) {
html_printf("%02x", hash[c]);
}
html_printf("\r\n");
html_printf("\r\n\r\n");
log_printf("exiting dba_loop2()\n");
}
#define DEBUG25 2
static void dbs_run_loop()
{
unsigned char *p;
p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
log_printf("htmlmethod: \"%s\"\n", htmlmethod);
dbs_html_parse_string(sizeof(htmlpath), htmlpath, &p);
log_printf("htmlpath: \"%s\"\n", htmlpath);
dbs_html_parse_string(sizeof(htmlversion), htmlversion, &p);
log_printf("htmlversion: \"%s\"\n", htmlversion);
dbs_parse_filename(sizeof(htmlfilename), htmlfilename, htmlpath);
log_printf("htmlfilename: \"%s\"\n", htmlfilename);
dbs_parse_extension(sizeof(htmlfileextension), htmlfileextension, htmlfilename);
log_printf("htmlfileextension: \"%s\"\n", htmlfileextension);
htmlparams = dbs_html_get_params();
if(htmlparams != NULL)
log_printf("htmlparams: \"%s\"\n", htmlparams);
if(dbs_html_get_request_line("Host", sizeof(htmlhost), htmlhost) == NULL)
htmlhost[0] = '\0';
log_printf("htmlhost: \"%s\"\n", htmlhost);
if(dbs_html_get_request_line("User-Agent", sizeof(htmluseragent), htmluseragent) == NULL)
htmluseragent[0] = '\0';
log_printf("htmluseragent: \"%s\"\n", htmluseragent);
if(dbs_html_get_request_line("Cookie", sizeof(htmlcookie), htmlcookie)==NULL)
htmlcookie[0] = '\0';
log_printf("htmlcookie: \"%s\"\n", htmlcookie);
if(dbs_html_get_request_line("Referer", sizeof(htmlreferer), htmlreferer)==NULL)
htmlcookie[0] = '\0';
log_printf("htmlreferer: \"%s\"\n", htmlreferer);
html_clear_all();
log_printf("enter dba_loop()\n");
dba_loop();
log_printf("html prettyprinter\n");
#ifdef DEBUG25
log_printf("buffers1:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
for(int c = 1; c < HTML_BUFFERS - 2; c++) {
p = html_get_string(c);
html_set(HTML_BUFFERS - 2);
html_printf("%s", p);
html_set(c);
html_clear();
}
#ifdef DEBUG25
log_printf("buffers2:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
p = html_get_string(HTML_BUFFERS - 2);
html_set(HTML_BUFFERS - 1);
html_indent(p);
html_set(HTML_BUFFERS - 2);
html_clear();
#ifdef DEBUG25
log_printf("buffers3:");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
}
log_printf("\n");
#endif
#ifdef DEBUG25
log_printf("html prettyprinter done.\n");
#endif
log_printf("exit dba_loop2()\n");
dba_loop2();
}
#define DEBUG42 2
void init_child()
{
// open file for hunting zombies
sprintf(log_childfile, "dbs3pid%d.log", getpid());
}
void exit_child()
{
// if process ends normally
// delete child's logfile
log_printf("unlink %s\n", log_childfile);
unlink(log_childfile);
}
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
static void dbs_server_vars(struct sockaddr_in sa_cli, int addr_size, char *name)
{
}
#include <sys/time.h>
unsigned long long dbs_get_useconds()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return(tv.tv_usec + 1000000 * tv.tv_sec);
}
static void dbs_query_vars()
{
}
static sem_t *criticalmutex = NULL;
static char criticalsemname[32] = "dbs3critical.sem";
void critical_wait() // JariK 2025
{
signal(SIGINT, SIG_IGN);
if(criticalmutex == NULL) {
if((criticalmutex = sem_open(criticalsemname, 0, 0644, 1)) == SEM_FAILED) {
if((criticalmutex = sem_open(criticalsemname, O_CREAT, 0644, 1)) == SEM_FAILED) {
//if((mutex = sem_open(semname, O_CREAT | O_EXCL, 0644, 1)) == SEM_FAILED) {
log_errprintf( "%s: critical_wait(): cannot sem_open()", procname);
log_errprintf(" errno %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("sem_open");
}
}
}
if(sem_wait(criticalmutex) == -1) {
log_errprintf( "%s: critical_wait(): cannot sem_wait()", procname);
log_errprintf( ", errno: %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("sem_wait");
}
}
void critical_post() // JariK 2025
{
if(sem_post(criticalmutex) == -1) {
log_errprintf( "%s: critical_post(): cannot sem_post()", procname);
log_errprintf( ", errno: %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("sem_post");
}
sem_close(criticalmutex);
criticalmutex = NULL;
signal(SIGINT, SIG_DFL);
}
void dbs_run_critical_sections()
{
log_printf("critical_wait()\n");
critical_wait();
log_printf("critical_post()\n");
critical_post();
}
static int server_getaddrinfo(unsigned char *myport, struct addrinfo **res)
{
int status;
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
log_printf("getaddrinfo()\n");
if ((status = getaddrinfo(NULL, myport, &hints, res)) != 0) {
#ifdef OLD1
fprintf(stderr, "%s: getaddrinfo error: %s",
procname, gai_strerror(status));
fprintf(stderr,", error code %d\n", status);
#endif
log_errprintf( "%s: getaddrinfo error: %s",
procname, gai_strerror(status));
log_errprintf( ", error code %d\n", status);
//fflush(stderr);
}
return(status);
}
static int server_socket(struct addrinfo *res)
{
int s;
log_printf("socket()\n");
if((s = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
log_errprintf("%s: socket()", procname);
log_errprintf(", errno: %d", errno);
log_errprintf("(%s)\n", strerror(errno));
perror("socket");
//fflush(stderr);
}
return(s);
}
static void server_bind(int s, struct addrinfo *res)
{
log_printf("bind()\n");
if(bind(s, res->ai_addr, res->ai_addrlen) == -1) {
int errerrno = errno;
if(errerrno == 98) {
fprintf(stdout,"%s cannot bind, waiting to bind", procname);
while(errerrno == 98) {
sleep(10);
fprintf(stdout,".");
fflush(stdout);
bind(s, res->ai_addr, res->ai_addrlen);
errerrno = errno;
}
fprintf(stdout,"bind done!\n");
//fflush(stdout);
} else {
int errerrno = errno;
log_errprintf("%s: cannot bind()", procname);
log_errprintf(", errno: %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("bind");
//fflush(stderr);
}
}
}
static int server_listen(int s)
{
int retval;
log_printf("listen()\n");
if((retval = listen(s, backlog)) == -1) { // ==!
int errerrno = errno;
log_errprintf("%s: cannot listen()", procname);
log_errprintf(", errno %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("listen");
//fflush(stderr);
}
return(retval);
}
static void server_close(int s)
{
log_printf("close()\n");
if(close(s) == -1) {
int errerrno = errno;
log_errprintf("%s: cannot close()", procname);
log_errprintf(", errno %d", errerrno);
log_errprintf( "(%s)\n", strerror(errerrno));
perror("close");
//fflush(stderr);
}
}
static int server_basic_socket()
{
int s;
struct addrinfo *res;
log_printf("server_getaddrinfo()\n");
server_getaddrinfo(myport, &res);
log_printf("server_socket()\n");
s = server_socket(res);
log_printf("server_bind()\n");
server_bind(s, res);
log_printf("freeaddrinfo()\n");
freeaddrinfo(res);
log_printf("server_listen()\n");
server_listen(s);
return(s);
}
#define DEBUG38 2
static void http_client(int news, struct sockaddr_in sa_cli, int addr_size, char *name)
{
int clen = 0;
int reads = 0;
int first = 1;
int bytes, totalbytes = 0;
unsigned char buffer10[10];
htmlparams = NULL;
htmlin[0] = '\0';
dbs_server_vars(sa_cli, addr_size, name);
while(htmlparams == NULL ||
clen - strlen(htmlparams) > 0) {
if(!first) {
log_printf(", ");
}
struct pollfd fds;
fds.fd = news;
fds.events = POLLIN;
bytes = 0;
int retval = poll(&fds, 1, 1000 * 10);
log_printf("******poll: %d\n", retval);
if(retval > 0) { // -1 err, 0 expire
log_printf("read()\n");
if((bytes = read(news, htmlin + totalbytes, htmlinlen - totalbytes)) < 0) {
log_errprintf("%s: cannot read()\n", procname);
perror("read");
//fflush(stderr);
}
if(retval > 0)
reads++;
}
log_printf("(%d bytes)", bytes);
log_printf("%s", htmlin);
if(bytes == 0)
break;
if(bytes > 3 &&
!isprint(htmlin[0]) &&
!isprint(htmlin[1]) &&
!isprint(htmlin[2])) {
log_printf("https packet?\n");
htmlin[0] = '\0';
totalbytes = 0;
bytes = 0;
break;
}
*(htmlin + totalbytes + bytes) = '\0';
totalbytes += bytes;
if(totalbytes >= htmlinlen) {
// plus space for '\0'
htmlin = realloc(htmlin, htmlinlen * 2 + 1);
htmlinlen *= 2;
}
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(!strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length", sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("htmlin:\"%s\"",htmlin);
if(totalbytes != 0) {
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf(", data=\"");
log_dump_string(htmlin);
log_printf("\"\n");
dbs_run_loop();
log_printf("buffers(html):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
if((bytes = write(news, html_get_string(c), strlen(html_get_string(c)))) == -1) {
log_errprintf("%s: cannot write() dbs_html[%d]\n", procname, c);
perror("write");
//fflush(stderr);
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n",html_get_string(c));
}
log_printf("\n");
}
dbs_query_vars();
}
int beepaccept = 1;
#define DEBUG45 2
#define aDEBUG57 2
static void http_server()
{
int quit, reset, addr_size;
struct sockaddr_in sa_cli;
signal(SIGPIPE, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
// plus space for '\0'
htmlin = malloc(htmlinlen + 1);
reset = 1;
quit = 0;
for(;;) {
log_mode = 1;
if(quit) {
break;
}
if(reset) {
if(s != -1) {
log_printf("server_close()\n");
server_close(s);
}
log_printf("server_basic_socket()\n");
s = server_basic_socket();
reset = 0;
}
fprintf(stdout,"\n");
fflush(stdout);
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
log_errprintf("%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}
fprintf(stdout,"========================================\n");
log_printf("dbs_time_vars()\n");
dbs_time_vars();
if(beepaccept) {
fprintf(stderr,"\a\n");
fflush(stderr);
}
pid_t pid;
log_printf("fork start (parent)");
log_printf(" getpid:%d getppid:%d", getpid(), getppid());
log_printf("\n");
log_printf("fork()\n");
if((pid = fork()) < 0) {
log_errprintf("%s: cannot fork()", procname);
log_errprintf(", errno %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
fflush(stderr);
perror("fork");
fflush(stderr);
exit(1);
} else if(pid == 0) { // child
log_printf("init_child()\n");
init_child();
log_mode = 2; // child
log_printf("server_close()\n");
server_close(s);
log_printf("fork start (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("http_client()\n");
http_client(news, sa_cli, addr_size, "http");
dbs_run_critical_sections();
log_printf("server_close(news)\n");
server_close(news);
log_printf("fork end (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("exit_child()\n");
exit_child();
log_mode = 1;
exit(0);
}
log_printf("fork end (parent)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("server_close()\n");
server_close(news);
} // for(;;)
}
#ifdef OLD1
static void https_client(int news, SSL_CTX *ctx, struct sockaddr_in sa_cli, int addr_size, char *name)
{
int status, ok;
unsigned char buffer10[10];
SSL *ssl;
X509 *peer_cert;
unsigned long long useconds;
useconds = dbs_get_useconds();
ok = 1;
dbs_server_vars(sa_cli, addr_size, name);
log_printf("SSL_new()\n");
if((ssl = SSL_new(ctx)) == NULL) {
log_errprintf("\n%s: cannot SSL_new()", procname);
}
log_printf("SSL_set_fd()\n");
if(SSL_set_fd(ssl, news) != 1) {
log_errprintf("\n%s: cannot SSL_set_fd()\n", procname);
}
log_printf("SSL_accept()\n");
if((status = SSL_accept(ssl)) < 0) {
log_errprintf("%s: cannot SSL_accept(), retval: %d\n", procname, status);
}
log_printf("SSL_get_peer_certificate()");
peer_cert = SSL_get_peer_certificate(ssl);
if(peer_cert == NULL) {
log_printf(", No peer certificate");
}
log_printf("\n");
int clen = 0;
int reads = 0;
int first = 1;
int bytes, totalbytes = 0;
htmlparams = NULL;
htmlin[0] = '\0';
while(htmlparams == NULL || clen - strlen(htmlparams) > 0) {
if(!first) {
log_printf(", ");
}
int tries = 0;
for(;;) {
log_printf("SSL_read()\n");
bytes = SSL_read(ssl, htmlin + totalbytes, htmlinlen - totalbytes);
int errerrno, err, err2;
errerrno = errno;
err = SSL_get_error(ssl, bytes);
err2 = ERR_get_error();
log_printf("SSL_read()");
log_printf(", retval %d", bytes);
log_printf(", errno: %d", errerrno);
log_printf(", SSL_get_error(): %d", err);
log_printf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_printf(", %d", err2);
log_printf("\n");
if(bytes >= 0) {
reads++;
break;
}
if(bytes < 0) {
if(++tries < 5 && (err == 1 || err == 5)) {
usleep(1024 * 512 / 5);
log_printf(" try:%d", tries);
continue;
}
log_printf("cannot SSL_read()\n");
ok = 0;
break;
} // if(bytes
break;
} // for(;;)
log_printf("(%d bytes)\n", bytes);
log_printf("%s\n", htmlin);
if(!ok)
break;
*(htmlin + totalbytes + bytes) = '\0';
if(bytes == 0)
break;
totalbytes += bytes;
if(totalbytes >= htmlinlen) {
// plus space for '\0'
htmlin = realloc(htmlin, htmlinlen * 2 + 1);
htmlinlen *= 2;
}
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(!strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length",
sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf(", data=\"\n");
log_dump_string(htmlin);
log_printf("\"\n");
strncpy(htmlsslcipher, SSL_get_cipher(ssl), sizeof(htmlsslcipher));
if(ok)
dbs_run_loop();
if(ok) {
log_printf("buffers(ssl):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
log_printf("SSL_write()\n");
if((status = SSL_write(ssl, html_get_string(c), strlen(html_get_string(c)))) < 1) {
log_errprintf("%s: cannot SSL_write(), buffer %d, status: %d, SSL error: %d\n",
procname, c, status, SSL_get_error(ssl, status));
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n", html_get_string(c));
}
}
log_printf("SSL connection using %s\n", htmlsslcipher);
log_printf("dbs_query_vars()\n");
dbs_query_vars();
log_printf("SSL_free()\n");
SSL_free(ssl);
}
#endif
static void https_client(int news, SSL_CTX *ctx, struct sockaddr_in sa_cli, int addr_size, char *name) // JariK 2025, 2022
{
int status, ok;
unsigned char buffer10[10], buffer[256];
SSL *ssl;
X509 *peer_cert;
unsigned long long useconds;
useconds = dbs_get_useconds();
ok = 1;
dbs_server_vars(sa_cli, addr_size, name);
log_printf("SSL_new()\n");
if((ssl = SSL_new(ctx)) == NULL) {
log_errprintf("\n%s: cannot SSL_new()", procname);
}
log_printf("SSL_set_fd()\n");
if(SSL_set_fd(ssl, news) != 1) {
log_errprintf("\n%s: cannot SSL_set_fd()\n", procname);
}
log_printf("SSL_accept()\n");
if((status = SSL_accept(ssl)) < 0) {
log_errprintf("%s: cannot SSL_accept(), retval: %d\n", procname, status);
}
log_printf("SSL_get_peer_certificate()");
peer_cert = SSL_get_peer_certificate(ssl);
if(peer_cert == NULL) {
log_printf(", No peer certificate");
}
log_printf("\n");
int clen = 0;
int reads = 0;
int first = 1, tries = 0;
int bytes, totalbytes = 0;
htmlparams = NULL;
htmlin[0] = '\0';
while(htmlparams == NULL || clen - strlen(htmlparams) > 0) {
log_printf("SSL_read()\n");
if((bytes = SSL_read(ssl, buffer, sizeof(buffer))) < 0) {
int errerrno, err, err2;
errerrno = errno;
err = SSL_get_error(ssl, bytes);
err2 = ERR_get_error();
log_errprintf("SSL_read()");
log_errprintf(", retval %d", bytes);
log_errprintf(", errno: %d", errerrno);
log_errprintf(", SSL_get_error(): %d", err);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
if(++tries >= 5) {
ok = 0;
break;
}
usleep(1024 * 512 / 5);
continue;
}
reads++;
if(bytes == 0)
break;
if(htmlinlen < totalbytes + bytes + 1) {
htmlinlen = totalbytes + bytes + 1;
htmlin = realloc(htmlin, htmlinlen);
}
memcpy(htmlin + totalbytes, buffer, bytes);
totalbytes += bytes;
*(htmlin + totalbytes) = '\0';
htmlparams = dbs_html_get_params();
unsigned char *p = htmlin;
dbs_html_parse_string(sizeof(htmlmethod), htmlmethod, &p);
if(htmlparams != NULL && !strcmp(htmlmethod, "GET"))
break;
dbs_html_get_request_line_num("Content-Length",
sizeof(buffer10), buffer10);
clen = atoi(buffer10);
first = 0;
}
log_printf("%d reads", reads);
log_printf(", received %d chars", totalbytes);
log_printf(", read %d total bytes", totalbytes);
log_printf(", input buffer size %d chars", htmlinlen);
log_printf("\n");
log_printf("%s\n", htmlin);
strncpy(htmlsslcipher, SSL_get_cipher(ssl), sizeof(htmlsslcipher));
if(ok)
dbs_run_loop();
if(ok) {
log_printf("buffers(ssl):");
for(int c = 0; c < HTML_BUFFERS; c++) {
log_printf(" %d:%ld", c, strlen(html_get_string(c)));
if(strlen(html_get_string(c)) > 0) {
log_printf("SSL_write()\n");
if((status = SSL_write(ssl, html_get_string(c), strlen(html_get_string(c)))) < 1) {
log_errprintf("%s: cannot SSL_write(), buffer %d, status: %d, SSL error: %d\n",
procname, c, status, SSL_get_error(ssl, status));
}
}
}
for(int c = 0; c < HTML_BUFFERS; c++) {
if(strlen(html_get_string(c)))
log_printf("%s\n", html_get_string(c));
}
}
log_printf("SSL connection using %s\n", htmlsslcipher);
log_printf("dbs_query_vars()\n");
dbs_query_vars();
log_printf("SSL_free()\n");
SSL_free(ssl);
}
static void dbs_file_digest(char *filename, unsigned char *hash)
{
int c;
unsigned char buffer[1024];
FILE *fp1;
HashCtx ctx;
HashInit(&ctx);
if((fp1 = fopen(filename, "rb")) != NULL) {
while((c = fread(buffer, 1, sizeof(buffer), fp1)) > 0)
HashUpdate(&ctx, buffer, c);
fclose(fp1);
}
HashFinal(hash, &ctx);
}
unsigned char cert_digest[HashLen]; // current certificate digests
unsigned char privatekey_digest[HashLen];
static SSL_CTX *server_https_init()
{
SSL_METHOD *method = NULL;
SSL_CTX *ctx = NULL;
unsigned char cert_digest2[HashLen]; // before change
unsigned char privatekey_digest2[HashLen];
unsigned char cert_digest3[HashLen]; // after change
unsigned char privatekey_digest3[HashLen];
log_printf("SSL_library_init()\n");
SSL_library_init();
log_printf("OpenSSL_add_ssl_algorithms()\n");
OpenSSL_add_ssl_algorithms();
log_printf("OpenSSL_add_ciphers()\n");
OpenSSL_add_all_ciphers();
log_printf("OpenSSL_load_error_strings()\n");
SSL_load_error_strings();
log_printf("SSLv23_server_method()\n");
if((method = (SSL_METHOD *)
SSLv23_server_method()) == NULL) {
log_errprintf("%s: cannot SSLv3_server_method()\n", procname);
//fflush(stderr);
}
log_printf("SSL_CTX_new()\n");
if((ctx = SSL_CTX_new(method)) == NULL) {
log_errprintf("%s: cannot SSL_CTX_new()\n", procname);
}
for(;;) { // 2025 JariK
dbs_file_digest(cert_file, cert_digest2); // save before change digests
dbs_file_digest(privatekey_file, privatekey_digest2);
log_printf("SSL_CTX_use_certificate_file()\n");
if(SSL_CTX_use_certificate_file(ctx, cert_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_certificate_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
log_printf("SSL_CTX_use_PrivateKey_file()\n");
if(SSL_CTX_use_PrivateKey_file(ctx, privatekey_file, SSL_FILETYPE_PEM) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("%s: cannot SSL_CTX_use_PrivateKey_file()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
dbs_file_digest(cert_file, cert_digest3); // save after change digests
dbs_file_digest(privatekey_file, privatekey_digest3);
// redo if before stamps are different from after stamps
if(memcmp(cert_digest2, cert_digest3, sizeof(cert_digest3)) ||
memcmp(privatekey_digest2, privatekey_digest3, sizeof(privatekey_digest3)))
continue;
memcpy(cert_digest, cert_digest2, sizeof(cert_digest2));
memcpy(privatekey_digest, privatekey_digest2, sizeof(privatekey_digest2));
log_dump("cert", 32, cert_digest, 32); // first 32 bytes
log_dump("private", 32, privatekey_digest, 32); // first 32 bytes
break;
}
log_printf("SSL_CTX_load_verify_locations()\n");
if(SSL_CTX_load_verify_locations(ctx, cert_file, NULL) != 1) {
int err2;
err2 = ERR_get_error();
log_errprintf("\n%s: cannot SSL_CTX_load_verify_locations()", procname);
log_errprintf(", ERR_get_error(): %d", err2);
while((err2 = ERR_get_error()) != 0)
log_errprintf(", %d", err2);
log_errprintf("\n");
}
return(ctx);
}
static int https_keyschange_needed() // 2025 JariK
{
unsigned char cert_digest2[HashLen];
unsigned char privatekey_digest2[HashLen];
dbs_file_digest(cert_file, cert_digest2);
dbs_file_digest(privatekey_file, privatekey_digest2);
log_dump("cert", 32, cert_digest2, 32); // first 32 bytes
log_dump("private", 32, privatekey_digest2, 32); // first 32 bytes
if(memcmp(cert_digest, cert_digest2, sizeof(cert_digest2)) ||
memcmp(privatekey_digest, privatekey_digest2, sizeof(privatekey_digest2)))
return(1);
else
return(0);
}
static void https_server()
{
int quit, reset, addr_size;
struct sockaddr_in sa_cli;
SSL_CTX *ctx = NULL;
signal(SIGPIPE, SIG_IGN);
signal(SIGCHLD, SIG_IGN);
// plus space for '\0'
htmlin = malloc(htmlinlen+1);
reset = 1;
quit = 0;
for(;;) {
log_mode = 1;
if(quit) {
break;
}
if(https_keyschange_needed())
reset = 1;
if(reset) {
if(ctx != NULL) {
log_printf("SSL_CTX_free()\n");
SSL_CTX_free(ctx);
}
if(s != -1) {
log_printf("server_close()\n");
server_close(s);
}
log_printf("server_https_init()\n");
ctx = server_https_init();
log_printf("server_basic_socket()\n");
s = server_basic_socket();
reset = 0;
}
fprintf(stdout,"\n");
fflush(stdout);
addr_size = sizeof(sa_cli);
log_printf("accept()\n");
if((news = accept(s, (struct sockaddr *)&sa_cli, &addr_size)) == -1) {
log_errprintf("%s: cannot accept()\n", procname);
perror("accept");
//fflush(stderr);
}
log_printf("========================================\n");
log_printf("dbs_time_vars()\n");
dbs_time_vars();
pid_t pid;
log_printf("fork start (parent)");
log_printf(" getpid:%d getppid:%d", getpid(), getppid());
log_printf("\n");
log_printf("fork()\n");
if((pid = fork()) < 0) {
log_errprintf("%s: cannot fork()", procname);
log_errprintf(", errno %d", errno);
log_errprintf( "(%s)\n", strerror(errno));
perror("fork");
fflush(stderr);
exit(1);
} else if(pid == 0) { // child
log_printf("init_child()\n");
init_child();
log_mode = 2; // child
log_printf("close(s)\n");
close(s);
log_printf("https_client()\n");
https_client(news, ctx, sa_cli, addr_size, "https");
dbs_run_critical_sections();
log_printf("server_close(news)\n");
server_close(news);
log_printf("fork end (child)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("exit_child()\n");
exit_child();
exit(0);
}
log_printf("fork end (parent)");
log_printf(" pid:%d getpid:%d getppid:%d", pid, getpid(), getppid());
log_printf("\n");
log_printf("server_close()\n");
server_close(news);
} // for(;;)
}
int http = 1;
int https = 0;
void main(int argc, char *argv[])
{
int c;
procname = argv[0];
//
// look thru command line parameters
//
for(c = 1; c < argc; c++) {
if(!strncmp("-", argv[c], 1)) {
if(!strncmp("--port", argv[c], 6)) {
if(*(argv[c] + 6) != '\0')
myport = argv[c] + 6;
else if(c + 1 < argc) {
myport = argv[c + 1];
c++;
}
} else if(!strcmp("--https", argv[c])) {
https = 1;
http = 0;
} else if(!strcmp("--http", argv[c])) {
http = 1;
https = 0;
} else {
log_errprintf("%s: invalid option %s\n", procname, argv[c]);
exit(1);
}
}
}
log_errprintf("starting dbs3 \"%s\"", programname);
log_errprintf(", port:%s", myport);
if(http)
log_errprintf(", http");
if(https)
log_errprintf(", https");
log_errprintf("\n");
unsigned char filedigest[HashLen];
dbs_file_digest("/proc/self/exe", filedigest);
htmldigest[0] = '\0';
for(int c = 0; c < HashLen; c++) {
char twodigits[3];
sprintf(twodigits, "%02x", filedigest[c]);
strcat(htmldigest, twodigits);
}
getcwd(homedir,sizeof(homedir));
log_printf("homedir: \"%s\"\n", homedir);
if(http)
http_server();
if(https)
https_server();
}