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updates in unix socket creation

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This commit is contained in:
Nikos Mavrogiannopoulos
2013-03-16 21:27:58 +01:00
parent f941e6af69
commit 82df00f0b0
5 changed files with 91 additions and 78 deletions
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42
src/main-misc.c
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@@ -35,6 +35,7 @@
#include <gnutls/crypto.h>
#include <tlslib.h>
#include <sys/un.h>
#include <sys/prctl.h>
#include <cloexec.h>
#include "ipc.h"
#include "setproctitle.h"
@@ -379,59 +380,24 @@ struct banned_st *btmp;
void run_sec_mod(main_server_st * s)
{
struct sockaddr_un sa;
int sd, e, ret;
int e;
pid_t pid;
sa.sun_family = AF_UNIX;
/* make socket name */
snprintf(s->socket_file, sizeof(s->socket_file), "%s.%u", s->config->socket_file_prefix, (unsigned)getpid());
snprintf(sa.sun_path, sizeof(sa.sun_path), "%s", s->socket_file);
remove(s->socket_file);
sd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sd == -1) {
e = errno;
mslog(s, NULL, LOG_ERR, "could not create socket '%s': %s", s->socket_file, strerror(e));
exit(1);
}
ret = bind(sd, (struct sockaddr *)&sa, sizeof(sa));
if (ret == -1) {
e = errno;
mslog(s, NULL, LOG_ERR, "could not bind socket '%s': %s", s->socket_file, strerror(e));
exit(1);
}
ret = chown(sa.sun_path, s->config->uid, s->config->gid);
if (ret == -1) {
e = errno;
mslog(s, NULL, LOG_ERR, "could not chown socket '%s': %s", s->socket_file, strerror(e));
}
ret = listen(sd, 1024);
if (ret == -1) {
e = errno;
mslog(s, NULL, LOG_ERR, "could not listen to socket '%s': %s", s->socket_file, strerror(e));
exit(1);
}
set_cloexec_flag (sd, 1);
pid = fork();
if (pid == 0) { /* child */
prctl(PR_SET_PDEATHSIG, SIGTERM);
setproctitle(PACKAGE_NAME"-secmod");
sec_mod_server(s->config, sd);
sec_mod_server(s->config, s->socket_file);
exit(0);
} else if (pid > 0) { /* parent */
close(sd);
s->sec_mod_pid = pid;
} else {
e = errno;
mslog(s, NULL, LOG_ERR, "error in fork(): %s", strerror(e));
exit(1);
}
}