From 128aed684d0b3099092b7597c8644599b45b7503 Mon Sep 17 00:00:00 2001 From: Daniel Barkalow Date: Wed, 7 Dec 2005 21:04:38 -0500 Subject: [PATCH] Clean up file descriptors when calling hooks. When calling post-update hook, don't leave stdin and stdout connected to the pushing connection. Signed-off-by: Daniel Barkalow Signed-off-by: Junio C Hamano --- receive-pack.c | 2 +- run-command.c | 15 +++++++++++++-- run-command.h | 3 +++ 3 files changed, 17 insertions(+), 3 deletions(-) diff --git a/receive-pack.c b/receive-pack.c index 187350612..cbe37e723 100644 --- a/receive-pack.c +++ b/receive-pack.c @@ -173,7 +173,7 @@ static void run_update_post_hook(struct command *cmd) argc++; } argv[argc] = NULL; - run_command_v(argc, argv); + run_command_v_opt(argc, argv, RUN_COMMAND_NO_STDIO); } /* diff --git a/run-command.c b/run-command.c index 5787a5095..8bf5922fc 100644 --- a/run-command.c +++ b/run-command.c @@ -2,13 +2,19 @@ #include "run-command.h" #include -int run_command_v(int argc, char **argv) +int run_command_v_opt(int argc, char **argv, int flags) { pid_t pid = fork(); if (pid < 0) return -ERR_RUN_COMMAND_FORK; if (!pid) { + if (flags & RUN_COMMAND_NO_STDIO) { + int fd = open("/dev/null", O_RDWR); + dup2(fd, 0); + dup2(fd, 1); + close(fd); + } execvp(argv[0], (char *const*) argv); die("exec %s failed.", argv[0]); } @@ -36,6 +42,11 @@ int run_command_v(int argc, char **argv) } } +int run_command_v(int argc, char **argv) +{ + return run_command_v_opt(argc, argv, 0); +} + int run_command(const char *cmd, ...) { int argc; @@ -54,5 +65,5 @@ int run_command(const char *cmd, ...) va_end(param); if (MAX_RUN_COMMAND_ARGS <= argc) return error("too many args to run %s", cmd); - return run_command_v(argc, argv); + return run_command_v_opt(argc, argv, 0); } diff --git a/run-command.h b/run-command.h index 5ee097224..2469eeaef 100644 --- a/run-command.h +++ b/run-command.h @@ -11,6 +11,9 @@ enum { ERR_RUN_COMMAND_WAITPID_NOEXIT, }; +#define RUN_COMMAND_NO_STDIO 1 + +int run_command_v_opt(int argc, char **argv, int opt); int run_command_v(int argc, char **argv); int run_command(const char *cmd, ...); -- 2.26.2