4 #include "run-command.h"
10 #define HOST_NAME_MAX 256
17 static int log_syslog;
21 static const char daemon_usage[] =
22 "git daemon [--verbose] [--syslog] [--export-all]\n"
23 " [--timeout=n] [--init-timeout=n] [--max-connections=n]\n"
24 " [--strict-paths] [--base-path=path] [--base-path-relaxed]\n"
25 " [--user-path | --user-path=path]\n"
26 " [--interpolated-path=path]\n"
27 " [--reuseaddr] [--detach] [--pid-file=file]\n"
28 " [--[enable|disable|allow-override|forbid-override]=service]\n"
29 " [--inetd | [--listen=host_or_ipaddr] [--port=n]\n"
30 " [--user=user [--group=group]]\n"
33 /* List of acceptable pathname prefixes */
34 static char **ok_paths;
35 static int strict_paths;
37 /* If this is set, git-daemon-export-ok is not required */
38 static int export_all_trees;
40 /* Take all paths relative to this one if non-NULL */
41 static char *base_path;
42 static char *interpolated_path;
43 static int base_path_relaxed;
45 /* Flag indicating client sent extra args. */
46 static int saw_extended_args;
48 /* If defined, ~user notation is allowed and the string is inserted
49 * after ~user/. E.g. a request to git://host/~alice/frotz would
50 * go to /home/alice/pub_git/frotz with --user-path=pub_git.
52 static const char *user_path;
54 /* Timeout, and initial timeout */
55 static unsigned int timeout;
56 static unsigned int init_timeout;
58 static char *hostname;
59 static char *canon_hostname;
60 static char *ip_address;
61 static char *tcp_port;
63 static void logreport(int priority, const char *err, va_list params)
67 vsnprintf(buf, sizeof(buf), err, params);
68 syslog(priority, "%s", buf);
71 * Since stderr is set to linebuffered mode, the
72 * logging of different processes will not overlap
74 fprintf(stderr, "[%"PRIuMAX"] ", (uintmax_t)getpid());
75 vfprintf(stderr, err, params);
80 static void logerror(const char *err, ...)
83 va_start(params, err);
84 logreport(LOG_ERR, err, params);
88 static void loginfo(const char *err, ...)
93 va_start(params, err);
94 logreport(LOG_INFO, err, params);
98 static void NORETURN daemon_die(const char *err, va_list params)
100 logreport(LOG_ERR, err, params);
104 static int avoid_alias(char *p)
109 * This resurrects the belts and suspenders paranoia check by HPA
110 * done in <435560F7.4080006@zytor.com> thread, now enter_repo()
111 * does not do getcwd() based path canonicalizations.
113 * sl becomes true immediately after seeing '/' and continues to
114 * be true as long as dots continue after that without intervening
117 if (!p || (*p != '/' && *p != '~'))
127 else if (ch == '/') {
129 /* reject //, /./ and /../ */
134 if (0 < ndot && ndot < 3)
135 /* reject /.$ and /..$ */
144 else if (ch == '/') {
151 static char *path_ok(char *directory)
153 static char rpath[PATH_MAX];
154 static char interp_path[PATH_MAX];
160 if (avoid_alias(dir)) {
161 logerror("'%s': aliased", dir);
167 logerror("'%s': User-path not allowed", dir);
171 /* Got either "~alice" or "~alice/foo";
172 * rewrite them to "~alice/%s" or
175 int namlen, restlen = strlen(dir);
176 char *slash = strchr(dir, '/');
178 slash = dir + restlen;
179 namlen = slash - dir;
181 loginfo("userpath <%s>, request <%s>, namlen %d, restlen %d, slash <%s>", user_path, dir, namlen, restlen, slash);
182 snprintf(rpath, PATH_MAX, "%.*s/%s%.*s",
183 namlen, dir, user_path, restlen, slash);
187 else if (interpolated_path && saw_extended_args) {
188 struct strbuf expanded_path = STRBUF_INIT;
189 struct strbuf_expand_dict_entry dict[] = {
191 { "CH", canon_hostname },
192 { "IP", ip_address },
200 /* Allow only absolute */
201 logerror("'%s': Non-absolute path denied (interpolated-path active)", dir);
205 strbuf_expand(&expanded_path, interpolated_path,
206 strbuf_expand_dict_cb, &dict);
207 strlcpy(interp_path, expanded_path.buf, PATH_MAX);
208 strbuf_release(&expanded_path);
209 loginfo("Interpolated dir '%s'", interp_path);
213 else if (base_path) {
215 /* Allow only absolute */
216 logerror("'%s': Non-absolute path denied (base-path active)", dir);
219 snprintf(rpath, PATH_MAX, "%s%s", base_path, dir);
223 path = enter_repo(dir, strict_paths);
224 if (!path && base_path && base_path_relaxed) {
226 * if we fail and base_path_relaxed is enabled, try without
227 * prefixing the base path
230 path = enter_repo(dir, strict_paths);
234 logerror("'%s' does not appear to be a git repository", dir);
238 if ( ok_paths && *ok_paths ) {
240 int pathlen = strlen(path);
242 /* The validation is done on the paths after enter_repo
243 * appends optional {.git,.git/.git} and friends, but
244 * it does not use getcwd(). So if your /pub is
245 * a symlink to /mnt/pub, you can whitelist /pub and
246 * do not have to say /mnt/pub.
249 for ( pp = ok_paths ; *pp ; pp++ ) {
250 int len = strlen(*pp);
251 if (len <= pathlen &&
252 !memcmp(*pp, path, len) &&
253 (path[len] == '\0' ||
254 (!strict_paths && path[len] == '/')))
259 /* be backwards compatible */
264 logerror("'%s': not in whitelist", path);
265 return NULL; /* Fallthrough. Deny by default */
268 typedef int (*daemon_service_fn)(void);
269 struct daemon_service {
271 const char *config_name;
272 daemon_service_fn fn;
277 static struct daemon_service *service_looking_at;
278 static int service_enabled;
280 static int git_daemon_config(const char *var, const char *value, void *cb)
282 if (!prefixcmp(var, "daemon.") &&
283 !strcmp(var + 7, service_looking_at->config_name)) {
284 service_enabled = git_config_bool(var, value);
288 /* we are not interested in parsing any other configuration here */
292 static int run_service(char *dir, struct daemon_service *service)
295 int enabled = service->enabled;
297 loginfo("Request %s for '%s'", service->name, dir);
299 if (!enabled && !service->overridable) {
300 logerror("'%s': service not enabled.", service->name);
305 if (!(path = path_ok(dir)))
309 * Security on the cheap.
311 * We want a readable HEAD, usable "objects" directory, and
312 * a "git-daemon-export-ok" flag that says that the other side
313 * is ok with us doing this.
315 * path_ok() uses enter_repo() and does whitelist checking.
316 * We only need to make sure the repository is exported.
319 if (!export_all_trees && access("git-daemon-export-ok", F_OK)) {
320 logerror("'%s': repository not exported.", path);
325 if (service->overridable) {
326 service_looking_at = service;
327 service_enabled = -1;
328 git_config(git_daemon_config, NULL);
329 if (0 <= service_enabled)
330 enabled = service_enabled;
333 logerror("'%s': service not enabled for '%s'",
334 service->name, path);
340 * We'll ignore SIGTERM from now on, we have a
343 signal(SIGTERM, SIG_IGN);
345 return service->fn();
348 static void copy_to_log(int fd)
350 struct strbuf line = STRBUF_INIT;
353 fp = fdopen(fd, "r");
355 logerror("fdopen of error channel failed");
360 while (strbuf_getline(&line, fp, '\n') != EOF) {
361 logerror("%s", line.buf);
362 strbuf_setlen(&line, 0);
365 strbuf_release(&line);
369 static int run_service_command(const char **argv)
371 struct child_process cld;
373 memset(&cld, 0, sizeof(cld));
377 if (start_command(&cld))
383 copy_to_log(cld.err);
385 return finish_command(&cld);
388 static int upload_pack(void)
390 /* Timeout as string */
391 char timeout_buf[64];
392 const char *argv[] = { "upload-pack", "--strict", timeout_buf, ".", NULL };
394 snprintf(timeout_buf, sizeof timeout_buf, "--timeout=%u", timeout);
395 return run_service_command(argv);
398 static int upload_archive(void)
400 static const char *argv[] = { "upload-archive", ".", NULL };
401 return run_service_command(argv);
404 static int receive_pack(void)
406 static const char *argv[] = { "receive-pack", ".", NULL };
407 return run_service_command(argv);
410 static struct daemon_service daemon_service[] = {
411 { "upload-archive", "uploadarch", upload_archive, 0, 1 },
412 { "upload-pack", "uploadpack", upload_pack, 1, 1 },
413 { "receive-pack", "receivepack", receive_pack, 0, 1 },
416 static void enable_service(const char *name, int ena)
419 for (i = 0; i < ARRAY_SIZE(daemon_service); i++) {
420 if (!strcmp(daemon_service[i].name, name)) {
421 daemon_service[i].enabled = ena;
425 die("No such service %s", name);
428 static void make_service_overridable(const char *name, int ena)
431 for (i = 0; i < ARRAY_SIZE(daemon_service); i++) {
432 if (!strcmp(daemon_service[i].name, name)) {
433 daemon_service[i].overridable = ena;
437 die("No such service %s", name);
440 static char *xstrdup_tolower(const char *str)
442 char *p, *dup = xstrdup(str);
443 for (p = dup; *p; p++)
448 static void parse_host_and_port(char *hostport, char **host,
451 if (*hostport == '[') {
454 end = strchr(hostport, ']');
456 die("Invalid reqeuest ('[' without ']')");
458 *host = hostport + 1;
461 else if (end[1] == ':')
464 die("Garbage after end of host part");
467 *port = strrchr(hostport, ':');
476 * Read the host as supplied by the client connection.
478 static void parse_host_arg(char *extra_args, int buflen)
482 char *end = extra_args + buflen;
484 if (extra_args < end && *extra_args) {
485 saw_extended_args = 1;
486 if (strncasecmp("host=", extra_args, 5) == 0) {
487 val = extra_args + 5;
488 vallen = strlen(val) + 1;
490 /* Split <host>:<port> at colon. */
493 parse_host_and_port(val, &host, &port);
496 tcp_port = xstrdup(port);
499 hostname = xstrdup_tolower(host);
502 /* On to the next one */
503 extra_args = val + vallen;
505 if (extra_args < end && *extra_args)
506 die("Invalid request");
510 * Locate canonical hostname and its IP address.
514 struct addrinfo hints;
517 static char addrbuf[HOST_NAME_MAX + 1];
519 memset(&hints, 0, sizeof(hints));
520 hints.ai_flags = AI_CANONNAME;
522 gai = getaddrinfo(hostname, NULL, &hints, &ai);
524 struct sockaddr_in *sin_addr = (void *)ai->ai_addr;
526 inet_ntop(AF_INET, &sin_addr->sin_addr,
527 addrbuf, sizeof(addrbuf));
529 ip_address = xstrdup(addrbuf);
531 free(canon_hostname);
532 canon_hostname = xstrdup(ai->ai_canonname ?
533 ai->ai_canonname : ip_address);
538 struct hostent *hent;
539 struct sockaddr_in sa;
541 static char addrbuf[HOST_NAME_MAX + 1];
543 hent = gethostbyname(hostname);
545 ap = hent->h_addr_list;
546 memset(&sa, 0, sizeof sa);
547 sa.sin_family = hent->h_addrtype;
548 sa.sin_port = htons(0);
549 memcpy(&sa.sin_addr, *ap, hent->h_length);
551 inet_ntop(hent->h_addrtype, &sa.sin_addr,
552 addrbuf, sizeof(addrbuf));
554 free(canon_hostname);
555 canon_hostname = xstrdup(hent->h_name);
557 ip_address = xstrdup(addrbuf);
563 static int execute(struct sockaddr *addr)
565 static char line[1000];
569 char addrbuf[256] = "";
572 if (addr->sa_family == AF_INET) {
573 struct sockaddr_in *sin_addr = (void *) addr;
574 inet_ntop(addr->sa_family, &sin_addr->sin_addr, addrbuf, sizeof(addrbuf));
575 port = ntohs(sin_addr->sin_port);
577 } else if (addr && addr->sa_family == AF_INET6) {
578 struct sockaddr_in6 *sin6_addr = (void *) addr;
581 *buf++ = '['; *buf = '\0'; /* stpcpy() is cool */
582 inet_ntop(AF_INET6, &sin6_addr->sin6_addr, buf, sizeof(addrbuf) - 1);
585 port = ntohs(sin6_addr->sin6_port);
588 loginfo("Connection from %s:%d", addrbuf, port);
589 setenv("REMOTE_ADDR", addrbuf, 1);
592 unsetenv("REMOTE_ADDR");
595 alarm(init_timeout ? init_timeout : timeout);
596 pktlen = packet_read_line(0, line, sizeof(line));
601 loginfo("Extended attributes (%d bytes) exist <%.*s>",
603 (int) pktlen - len, line + len + 1);
604 if (len && line[len-1] == '\n') {
610 free(canon_hostname);
613 hostname = canon_hostname = ip_address = tcp_port = NULL;
616 parse_host_arg(line + len + 1, pktlen - len - 1);
618 for (i = 0; i < ARRAY_SIZE(daemon_service); i++) {
619 struct daemon_service *s = &(daemon_service[i]);
620 int namelen = strlen(s->name);
621 if (!prefixcmp(line, "git-") &&
622 !strncmp(s->name, line + 4, namelen) &&
623 line[namelen + 4] == ' ') {
625 * Note: The directory here is probably context sensitive,
626 * and might depend on the actual service being performed.
628 return run_service(line + namelen + 5, s);
632 logerror("Protocol error: '%s'", line);
636 static int max_connections = 32;
638 static unsigned int live_children;
640 static struct child {
643 struct sockaddr_storage address;
646 static void add_child(pid_t pid, struct sockaddr *addr, int addrlen)
648 struct child *newborn, **cradle;
651 * This must be xcalloc() -- we'll compare the whole sockaddr_storage
652 * but individual address may be shorter.
654 newborn = xcalloc(1, sizeof(*newborn));
657 memcpy(&newborn->address, addr, addrlen);
658 for (cradle = &firstborn; *cradle; cradle = &(*cradle)->next)
659 if (!memcmp(&(*cradle)->address, &newborn->address,
660 sizeof(newborn->address)))
662 newborn->next = *cradle;
666 static void remove_child(pid_t pid)
668 struct child **cradle, *blanket;
670 for (cradle = &firstborn; (blanket = *cradle); cradle = &blanket->next)
671 if (blanket->pid == pid) {
672 *cradle = blanket->next;
680 * This gets called if the number of connections grows
681 * past "max_connections".
683 * We kill the newest connection from a duplicate IP.
685 static void kill_some_child(void)
687 const struct child *blanket, *next;
689 if (!(blanket = firstborn))
692 for (; (next = blanket->next); blanket = next)
693 if (!memcmp(&blanket->address, &next->address,
694 sizeof(next->address))) {
695 kill(blanket->pid, SIGTERM);
700 static void check_dead_children(void)
705 while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
706 const char *dead = "";
708 if (!WIFEXITED(status) || (WEXITSTATUS(status) > 0))
709 dead = " (with error)";
710 loginfo("[%"PRIuMAX"] Disconnected%s", (uintmax_t)pid, dead);
714 static void handle(int incoming, struct sockaddr *addr, int addrlen)
718 if (max_connections && live_children >= max_connections) {
720 sleep(1); /* give it some time to die */
721 check_dead_children();
722 if (live_children >= max_connections) {
724 logerror("Too many children, dropping connection");
729 if ((pid = fork())) {
732 logerror("Couldn't fork %s", strerror(errno));
736 add_child(pid, addr, addrlen);
747 static void child_handler(int signo)
750 * Otherwise empty handler because systemcalls will get interrupted
751 * upon signal receipt
752 * SysV needs the handler to be rearmed
754 signal(SIGCHLD, child_handler);
757 static int set_reuse_addr(int sockfd)
763 return setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
769 static int socksetup(char *listen_addr, int listen_port, int **socklist_p)
771 int socknum = 0, *socklist = NULL;
773 char pbuf[NI_MAXSERV];
774 struct addrinfo hints, *ai0, *ai;
778 sprintf(pbuf, "%d", listen_port);
779 memset(&hints, 0, sizeof(hints));
780 hints.ai_family = AF_UNSPEC;
781 hints.ai_socktype = SOCK_STREAM;
782 hints.ai_protocol = IPPROTO_TCP;
783 hints.ai_flags = AI_PASSIVE;
785 gai = getaddrinfo(listen_addr, pbuf, &hints, &ai0);
787 die("getaddrinfo() failed: %s", gai_strerror(gai));
789 for (ai = ai0; ai; ai = ai->ai_next) {
792 sockfd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
795 if (sockfd >= FD_SETSIZE) {
796 logerror("Socket descriptor too large");
802 if (ai->ai_family == AF_INET6) {
804 setsockopt(sockfd, IPPROTO_IPV6, IPV6_V6ONLY,
806 /* Note: error is not fatal */
810 if (set_reuse_addr(sockfd)) {
815 if (bind(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) {
817 continue; /* not fatal */
819 if (listen(sockfd, 5) < 0) {
821 continue; /* not fatal */
824 flags = fcntl(sockfd, F_GETFD, 0);
826 fcntl(sockfd, F_SETFD, flags | FD_CLOEXEC);
828 socklist = xrealloc(socklist, sizeof(int) * (socknum + 1));
829 socklist[socknum++] = sockfd;
837 *socklist_p = socklist;
843 static int socksetup(char *listen_addr, int listen_port, int **socklist_p)
845 struct sockaddr_in sin;
849 memset(&sin, 0, sizeof sin);
850 sin.sin_family = AF_INET;
851 sin.sin_port = htons(listen_port);
854 /* Well, host better be an IP address here. */
855 if (inet_pton(AF_INET, listen_addr, &sin.sin_addr.s_addr) <= 0)
858 sin.sin_addr.s_addr = htonl(INADDR_ANY);
861 sockfd = socket(AF_INET, SOCK_STREAM, 0);
865 if (set_reuse_addr(sockfd)) {
870 if ( bind(sockfd, (struct sockaddr *)&sin, sizeof sin) < 0 ) {
875 if (listen(sockfd, 5) < 0) {
880 flags = fcntl(sockfd, F_GETFD, 0);
882 fcntl(sockfd, F_SETFD, flags | FD_CLOEXEC);
884 *socklist_p = xmalloc(sizeof(int));
885 **socklist_p = sockfd;
891 static int service_loop(int socknum, int *socklist)
896 pfd = xcalloc(socknum, sizeof(struct pollfd));
898 for (i = 0; i < socknum; i++) {
899 pfd[i].fd = socklist[i];
900 pfd[i].events = POLLIN;
903 signal(SIGCHLD, child_handler);
908 check_dead_children();
910 if (poll(pfd, socknum, -1) < 0) {
911 if (errno != EINTR) {
912 logerror("Poll failed, resuming: %s",
919 for (i = 0; i < socknum; i++) {
920 if (pfd[i].revents & POLLIN) {
921 struct sockaddr_storage ss;
922 unsigned int sslen = sizeof(ss);
923 int incoming = accept(pfd[i].fd, (struct sockaddr *)&ss, &sslen);
931 die_errno("accept returned");
934 handle(incoming, (struct sockaddr *)&ss, sslen);
940 /* if any standard file descriptor is missing open it to /dev/null */
941 static void sanitize_stdfds(void)
943 int fd = open("/dev/null", O_RDWR, 0);
944 while (fd != -1 && fd < 2)
947 die_errno("open /dev/null or dup failed");
952 static void daemonize(void)
958 die_errno("fork failed");
963 die_errno("setsid failed");
970 static void store_pid(const char *path)
972 FILE *f = fopen(path, "w");
974 die_errno("cannot open pid file '%s'", path);
975 if (fprintf(f, "%"PRIuMAX"\n", (uintmax_t) getpid()) < 0 || fclose(f) != 0)
976 die_errno("failed to write pid file '%s'", path);
979 static int serve(char *listen_addr, int listen_port, struct passwd *pass, gid_t gid)
981 int socknum, *socklist;
983 socknum = socksetup(listen_addr, listen_port, &socklist);
985 die("unable to allocate any listen sockets on host %s port %u",
986 listen_addr, listen_port);
989 (initgroups(pass->pw_name, gid) || setgid (gid) ||
990 setuid(pass->pw_uid)))
991 die("cannot drop privileges");
993 return service_loop(socknum, socklist);
996 int main(int argc, char **argv)
999 char *listen_addr = NULL;
1001 const char *pid_file = NULL, *user_name = NULL, *group_name = NULL;
1003 struct passwd *pass = NULL;
1004 struct group *group;
1008 git_extract_argv0_path(argv[0]);
1010 for (i = 1; i < argc; i++) {
1011 char *arg = argv[i];
1013 if (!prefixcmp(arg, "--listen=")) {
1014 listen_addr = xstrdup_tolower(arg + 9);
1017 if (!prefixcmp(arg, "--port=")) {
1020 n = strtoul(arg+7, &end, 0);
1021 if (arg[7] && !*end) {
1026 if (!strcmp(arg, "--inetd")) {
1031 if (!strcmp(arg, "--verbose")) {
1035 if (!strcmp(arg, "--syslog")) {
1039 if (!strcmp(arg, "--export-all")) {
1040 export_all_trees = 1;
1043 if (!prefixcmp(arg, "--timeout=")) {
1044 timeout = atoi(arg+10);
1047 if (!prefixcmp(arg, "--init-timeout=")) {
1048 init_timeout = atoi(arg+15);
1051 if (!prefixcmp(arg, "--max-connections=")) {
1052 max_connections = atoi(arg+18);
1053 if (max_connections < 0)
1054 max_connections = 0; /* unlimited */
1057 if (!strcmp(arg, "--strict-paths")) {
1061 if (!prefixcmp(arg, "--base-path=")) {
1065 if (!strcmp(arg, "--base-path-relaxed")) {
1066 base_path_relaxed = 1;
1069 if (!prefixcmp(arg, "--interpolated-path=")) {
1070 interpolated_path = arg+20;
1073 if (!strcmp(arg, "--reuseaddr")) {
1077 if (!strcmp(arg, "--user-path")) {
1081 if (!prefixcmp(arg, "--user-path=")) {
1082 user_path = arg + 12;
1085 if (!prefixcmp(arg, "--pid-file=")) {
1086 pid_file = arg + 11;
1089 if (!strcmp(arg, "--detach")) {
1094 if (!prefixcmp(arg, "--user=")) {
1095 user_name = arg + 7;
1098 if (!prefixcmp(arg, "--group=")) {
1099 group_name = arg + 8;
1102 if (!prefixcmp(arg, "--enable=")) {
1103 enable_service(arg + 9, 1);
1106 if (!prefixcmp(arg, "--disable=")) {
1107 enable_service(arg + 10, 0);
1110 if (!prefixcmp(arg, "--allow-override=")) {
1111 make_service_overridable(arg + 17, 1);
1114 if (!prefixcmp(arg, "--forbid-override=")) {
1115 make_service_overridable(arg + 18, 0);
1118 if (!strcmp(arg, "--")) {
1119 ok_paths = &argv[i+1];
1121 } else if (arg[0] != '-') {
1122 ok_paths = &argv[i];
1126 usage(daemon_usage);
1130 openlog("git-daemon", LOG_PID, LOG_DAEMON);
1131 set_die_routine(daemon_die);
1133 /* avoid splitting a message in the middle */
1134 setvbuf(stderr, NULL, _IOLBF, 0);
1136 if (inetd_mode && (group_name || user_name))
1137 die("--user and --group are incompatible with --inetd");
1139 if (inetd_mode && (listen_port || listen_addr))
1140 die("--listen= and --port= are incompatible with --inetd");
1141 else if (listen_port == 0)
1142 listen_port = DEFAULT_GIT_PORT;
1144 if (group_name && !user_name)
1145 die("--group supplied without --user");
1148 pass = getpwnam(user_name);
1150 die("user not found - %s", user_name);
1155 group = getgrnam(group_name);
1157 die("group not found - %s", group_name);
1159 gid = group->gr_gid;
1163 if (strict_paths && (!ok_paths || !*ok_paths))
1164 die("option --strict-paths requires a whitelist");
1166 if (base_path && !is_directory(base_path))
1167 die("base-path '%s' does not exist or is not a directory",
1171 struct sockaddr_storage ss;
1172 struct sockaddr *peer = (struct sockaddr *)&ss;
1173 socklen_t slen = sizeof(ss);
1175 if (!freopen("/dev/null", "w", stderr))
1176 die_errno("failed to redirect stderr to /dev/null");
1178 if (getpeername(0, peer, &slen))
1181 return execute(peer);
1186 loginfo("Ready to rumble");
1192 store_pid(pid_file);
1194 return serve(listen_addr, listen_port, pass, gid);