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kamailio/utils/kamunix/kamunix.c

136 lines
3.4 KiB

/*
* Copyright (C) 2004 FhG FOKUS
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <errno.h>
/* AF_LOCAL is not defined on solaris */
#if !defined(AF_LOCAL)
#define AF_LOCAL AF_UNIX
#endif
#if !defined(PF_LOCAL)
#define PF_LOCAL PF_UNIX
#endif
/* solaris doesn't have SUN_LEN */
#ifndef SUN_LEN
#define SUN_LEN(sa) ( strlen((sa)->sun_path) + \
(size_t)(((struct sockaddr_un*)0)->sun_path) )
#endif
#define BUF_SIZE 65536
#define DEFAULT_TIMEOUT 5
int main(int argc, char** argv)
{
int sock, len;
socklen_t from_len;
struct sockaddr_un from, to;
char name[256];
static char buffer[BUF_SIZE];
char *chroot_dir;
if (argc != 2) {
printf("Usage: %s <path_to_socket>\n", argv[0]);
return 1;
}
sock = socket(PF_LOCAL, SOCK_DGRAM, 0);
if (sock == -1) {
fprintf(stderr, "Error while opening socket: %s\n", strerror(errno));
return -1;
}
memset(&from, 0, sizeof(from));
from.sun_family = PF_LOCAL;
chroot_dir = getenv("CHROOT_DIR");
if (chroot_dir == NULL)
chroot_dir = "";
snprintf(name, 256, "%s/tmp/Kamailio.%d.XXXXXX", chroot_dir, getpid());
umask(0);
/* set mode to 0666 for when Kamailio is running as non-root user
* and kamctl is running as root */
if (mkstemp(name) == -1) {
fprintf(stderr, "Error in mkstemp with name=%s: %s\n",
name, strerror(errno));
return -2;
}
if (unlink(name) == -1) {
fprintf(stderr, "Error in unlink of %s: %s\n", name, strerror(errno));
return -2;
}
strncpy(from.sun_path, name, strlen(name));
if (bind(sock, (struct sockaddr*)&from, SUN_LEN(&from)) == -1) {
fprintf(stderr, "Error in bind: %s\n", strerror(errno));
goto err;
}
memset(&to, 0, sizeof(to));
to.sun_family = PF_LOCAL;
strncpy(to.sun_path, argv[1], sizeof(to.sun_path) - 1);
len = fread(buffer, 1, BUF_SIZE, stdin);
if (len) {
if (sendto(sock, buffer, len, 0, (struct sockaddr*)&to,
SUN_LEN(&to)) == -1) {
fprintf(stderr, "Error in sendto: %s\n", strerror(errno));
goto err;
}
from_len = sizeof(from);
len = recvfrom(sock, buffer, BUF_SIZE, 0,
(struct sockaddr*)&from, &from_len);
if (len == -1) {
fprintf(stderr, "Error in recvfrom: %s\n", strerror(errno));
goto err;
}
fprintf(stdout, "%.*s", len, buffer);
} else {
fprintf(stderr, "Nothing to send\n");
goto err;
}
close(sock);
if (unlink(name) == -1)
fprintf(stderr, "Error in unlink of %s: %s\n", name, strerror(errno));
return 0;
err:
close(sock);
if (unlink(name) == -1)
fprintf(stderr, "Error in unlink of %s: %s\n", name, strerror(errno));
return -1;
}