FreeCalypso > hg > themwi-system-sw
view utils/sip-udp-dump.c @ 23:5b0f685fd2ed
include/mncc.h: rm duplicate GSM_MAX_* definitions
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 28 Jun 2022 18:28:49 -0800 |
parents | 87c077b23996 |
children | 5995660dcbac |
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/* * This debug utility binds to UDP port 5060 (SIP) and dumps any/all * packets received at this port. A one-line summary is printed to * stdout, and the full SIP INVITE packet content is written to a file. */ #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <time.h> #include <unistd.h> static int sock; static FILE *logf; static char dgram[4096]; static unsigned dgram_len; static struct sockaddr_in sin; static time_t curtime; static void log_full_packet() { fprintf(logf, "From %s:%u %u bytes %s", inet_ntoa(sin.sin_addr), ntohs(sin.sin_port), dgram_len, ctime(&curtime)); fwrite(dgram, 1, dgram_len, logf); putc('\n', logf); fflush(logf); } static void print_header_line() { char *cp; cp = index(dgram, '\n'); if (cp) *cp = '\0'; puts(dgram); } main(argc, argv) char **argv; { int rc; socklen_t addrlen; if (argc != 2) { fprintf(stderr, "usage: %s logfile\n", argv[0]); exit(1); } logf = fopen(argv[1], "a"); if (!logf) { perror(argv[1]); exit(1); } sock = socket(AF_INET, SOCK_DGRAM, 0); if (sock < 0) { perror("socket"); exit(1); } sin.sin_family = AF_INET; sin.sin_addr.s_addr = INADDR_ANY; sin.sin_port = htons(5060); rc = bind(sock, (struct sockaddr *) &sin, sizeof sin); if (rc < 0) perror("bind"); for (;;) { addrlen = sizeof sin; rc = recvfrom(sock, dgram, sizeof(dgram) - 1, 0, (struct sockaddr *) &sin, &addrlen); if (rc < 0) { perror("recvfrom"); exit(1); } time(&curtime); dgram_len = rc; dgram[dgram_len] = '\0'; log_full_packet(); print_header_line(); } }