diff options
| -rw-r--r-- | Documentation/git-daemon.txt | 1 | ||||
| -rw-r--r-- | daemon.c | 80 |
2 files changed, 54 insertions, 27 deletions
diff --git a/Documentation/git-daemon.txt b/Documentation/git-daemon.txt index 2f0ddf6fe8..5054f790a1 100644 --- a/Documentation/git-daemon.txt +++ b/Documentation/git-daemon.txt @@ -85,6 +85,7 @@ OPTIONS be either an IPv4 address or an IPv6 address if supported. If IPv6 is not supported, then --listen=hostname is also not supported and --listen must be given an IPv4 address. + Can be given more than once. Incompatible with '--inetd' option. --port=<n>:: @@ -3,6 +3,7 @@ #include "exec_cmd.h" #include "run-command.h" #include "strbuf.h" +#include "string-list.h" #include <syslog.h> @@ -734,11 +735,17 @@ static int set_reuse_addr(int sockfd) &on, sizeof(on)); } +struct socketlist { + int *list; + size_t nr; + size_t alloc; +}; + #ifndef NO_IPV6 -static int socksetup(char *listen_addr, int listen_port, int **socklist_p) +static int setup_named_sock(char *listen_addr, int listen_port, struct socketlist *socklist) { - int socknum = 0, *socklist = NULL; + int socknum = 0; int maxfd = -1; char pbuf[NI_MAXSERV]; struct addrinfo hints, *ai0, *ai; @@ -753,8 +760,10 @@ static int socksetup(char *listen_addr, int listen_port, int **socklist_p) hints.ai_flags = AI_PASSIVE; gai = getaddrinfo(listen_addr, pbuf, &hints, &ai0); - if (gai) - die("getaddrinfo() failed: %s", gai_strerror(gai)); + if (gai) { + logerror("getaddrinfo() for %s failed: %s", listen_addr, gai_strerror(gai)); + return 0; + } for (ai = ai0; ai; ai = ai->ai_next) { int sockfd; @@ -795,8 +804,9 @@ static int socksetup(char *listen_addr, int listen_port, int **socklist_p) if (flags >= 0) fcntl(sockfd, F_SETFD, flags | FD_CLOEXEC); - socklist = xrealloc(socklist, sizeof(int) * (socknum + 1)); - socklist[socknum++] = sockfd; + ALLOC_GROW(socklist->list, socklist->nr + 1, socklist->alloc); + socklist->list[socklist->nr++] = sockfd; + socknum++; if (maxfd < sockfd) maxfd = sockfd; @@ -804,13 +814,12 @@ static int socksetup(char *listen_addr, int listen_port, int **socklist_p) freeaddrinfo(ai0); - *socklist_p = socklist; return socknum; } #else /* NO_IPV6 */ -static int socksetup(char *listen_addr, int listen_port, int **socklist_p) +static int setup_named_sock(char *listen_addr, int listen_port, struct socketlist *socklist) { struct sockaddr_in sin; int sockfd; @@ -851,22 +860,39 @@ static int socksetup(char *listen_addr, int listen_port, int **socklist_p) if (flags >= 0) fcntl(sockfd, F_SETFD, flags | FD_CLOEXEC); - *socklist_p = xmalloc(sizeof(int)); - **socklist_p = sockfd; + ALLOC_GROW(socklist->list, socklist->nr + 1, socklist->alloc); + socklist->list[socklist->nr++] = sockfd; return 1; } #endif -static int service_loop(int socknum, int *socklist) +static void socksetup(struct string_list *listen_addr, int listen_port, struct socketlist *socklist) +{ + if (!listen_addr->nr) + setup_named_sock(NULL, listen_port, socklist); + else { + int i, socknum; + for (i = 0; i < listen_addr->nr; i++) { + socknum = setup_named_sock(listen_addr->items[i].string, + listen_port, socklist); + + if (socknum == 0) + logerror("unable to allocate any listen sockets for host %s on port %u", + listen_addr->items[i].string, listen_port); + } + } +} + +static int service_loop(struct socketlist *socklist) { struct pollfd *pfd; int i; - pfd = xcalloc(socknum, sizeof(struct pollfd)); + pfd = xcalloc(socklist->nr, sizeof(struct pollfd)); - for (i = 0; i < socknum; i++) { - pfd[i].fd = socklist[i]; + for (i = 0; i < socklist->nr; i++) { + pfd[i].fd = socklist->list[i]; pfd[i].events = POLLIN; } @@ -877,7 +903,7 @@ static int service_loop(int socknum, int *socklist) check_dead_children(); - if (poll(pfd, socknum, -1) < 0) { + if (poll(pfd, socklist->nr, -1) < 0) { if (errno != EINTR) { logerror("Poll failed, resuming: %s", strerror(errno)); @@ -886,7 +912,7 @@ static int service_loop(int socknum, int *socklist) continue; } - for (i = 0; i < socknum; i++) { + for (i = 0; i < socklist->nr; i++) { if (pfd[i].revents & POLLIN) { struct sockaddr_storage ss; unsigned int sslen = sizeof(ss); @@ -946,27 +972,27 @@ static void store_pid(const char *path) die_errno("failed to write pid file '%s'", path); } -static int serve(char *listen_addr, int listen_port, struct passwd *pass, gid_t gid) +static int serve(struct string_list *listen_addr, int listen_port, struct passwd *pass, gid_t gid) { - int socknum, *socklist; + struct socketlist socklist = { NULL, 0, 0 }; - socknum = socksetup(listen_addr, listen_port, &socklist); - if (socknum == 0) - die("unable to allocate any listen sockets on host %s port %u", - listen_addr, listen_port); + socksetup(listen_addr, listen_port, &socklist); + if (socklist.nr == 0) + die("unable to allocate any listen sockets on port %u", + listen_port); if (pass && gid && (initgroups(pass->pw_name, gid) || setgid (gid) || setuid(pass->pw_uid))) die("cannot drop privileges"); - return service_loop(socknum, socklist); + return service_loop(&socklist); } int main(int argc, char **argv) { int listen_port = 0; - char *listen_addr = NULL; + struct string_list listen_addr = STRING_LIST_INIT_NODUP; int inetd_mode = 0; const char *pid_file = NULL, *user_name = NULL, *group_name = NULL; int detach = 0; @@ -981,7 +1007,7 @@ int main(int argc, char **argv) char *arg = argv[i]; if (!prefixcmp(arg, "--listen=")) { - listen_addr = xstrdup_tolower(arg + 9); + string_list_append(&listen_addr, xstrdup_tolower(arg + 9)); continue; } if (!prefixcmp(arg, "--port=")) { @@ -1106,7 +1132,7 @@ int main(int argc, char **argv) if (inetd_mode && (group_name || user_name)) die("--user and --group are incompatible with --inetd"); - if (inetd_mode && (listen_port || listen_addr)) + if (inetd_mode && (listen_port || (listen_addr.nr > 0))) die("--listen= and --port= are incompatible with --inetd"); else if (listen_port == 0) listen_port = DEFAULT_GIT_PORT; @@ -1161,5 +1187,5 @@ int main(int argc, char **argv) if (pid_file) store_pid(pid_file); - return serve(listen_addr, listen_port, pass, gid); + return serve(&listen_addr, listen_port, pass, gid); } |