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add fork of libsam3

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add funtion to get i2p certificate crypto algo names
This commit is contained in:
sehraf 2020-10-26 21:45:03 +01:00
parent 130d846e47
commit 76f0678820
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GPG key ID: DF09F6EAE356B2C6
25 changed files with 5858 additions and 7 deletions
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116
supportlibs/libsam3/examples/sam3/dgramc.c Normal file
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/* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*
* I2P-Bote:
* 5m77dFKGEq6~7jgtrfw56q3t~SmfwZubmGdyOLQOPoPp8MYwsZ~pfUCwud6LB1EmFxkm4C3CGlzq-hVs9WnhUV
* we are the Borg. */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "../libsam3/libsam3.h"
// comment the following if you don't want to stress UDP with 'big' datagram
// seems that up to 32000 bytes can be used for localhost
// note that we need 516+6+? bytes for header; lets reserve 1024 bytes for it
#define BIG (32000 - 1024)
#define KEYFILE "dgrams.key"
int main(int argc, char *argv[]) {
Sam3Session ses;
char buf[1024];
char destkey[517] = {0}; // 516 chars + \0
int sz;
//
libsam3_debug = 1;
//
if (argc < 2) {
FILE *fl = fopen(KEYFILE, "rb");
//
if (fl != NULL) {
if (fread(destkey, 516, 1, fl) == 1) {
fclose(fl);
goto ok;
}
fclose(fl);
}
printf("usage: dgramc PUBKEY\n");
return 1;
} else {
if (strlen(argv[1]) != 516) {
fprintf(stderr, "FATAL: invalid key length!\n");
return 1;
}
strcpy(destkey, argv[1]);
}
//
ok:
printf("creating session...\n");
/* create TRANSIENT session with temporary disposible destination */
if (sam3CreateSession(&ses, SAM3_HOST_DEFAULT, SAM3_PORT_DEFAULT,
SAM3_DESTINATION_TRANSIENT, SAM3_SESSION_DGRAM, 4,
NULL) < 0) {
fprintf(stderr, "FATAL: can't create session\n");
return 1;
}
/* send datagram */
printf("sending test datagram...\n");
if (sam3DatagramSend(&ses, destkey, "test", 4) < 0) {
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
/** receive reply */
if ((sz = sam3DatagramReceive(&ses, buf, sizeof(buf) - 1)) < 0) {
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
/** null terminated string */
buf[sz] = 0;
printf("received: [%s]\n", buf);
//
#ifdef BIG
{
char *big = calloc(BIG + 1024, sizeof(char));
/** generate random string */
sam3GenChannelName(big, BIG + 1023, BIG + 1023);
printf("sending BIG datagram...\n");
if (sam3DatagramSend(&ses, destkey, big, BIG) < 0) {
free(big);
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
if ((sz = sam3DatagramReceive(&ses, big, BIG + 512)) < 0) {
free(big);
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
big[sz] = 0;
printf("received (%d): [%s]\n", sz, big);
free(big);
}
#endif
//
printf("sending quit datagram...\n");
if (sam3DatagramSend(&ses, destkey, "quit", 4) < 0) {
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
if ((sz = sam3DatagramReceive(&ses, buf, sizeof(buf) - 1)) < 0) {
fprintf(stderr, "ERROR: %s\n", ses.error);
goto error;
}
buf[sz] = 0;
printf("received: [%s]\n", buf);
//
sam3CloseSession(&ses);
return 0;
error:
sam3CloseSession(&ses);
return 1;
}