diff options
Diffstat (limited to 'shell.c')
| -rw-r--r-- | shell.c | 17 |
1 files changed, 15 insertions, 2 deletions
@@ -7,7 +7,7 @@ static int do_generic_cmd(const char *me, char *arg) { const char *my_argv[4]; - setup_path(NULL); + setup_path(); if (!arg || !(arg = sq_dequote(arg))) die("bad argument"); if (prefixcmp(me, "git-")) @@ -29,7 +29,7 @@ static int do_cvs_cmd(const char *me, char *arg) if (!arg || strcmp(arg, "server")) die("git-cvsserver only handles server: %s", arg); - setup_path(NULL); + setup_path(); return execv_git_cmd(cvsserver_argv); } @@ -48,6 +48,19 @@ int main(int argc, char **argv) { char *prog; struct commands *cmd; + int devnull_fd; + + /* + * Always open file descriptors 0/1/2 to avoid clobbering files + * in die(). It also avoids not messing up when the pipes are + * dup'ed onto stdin/stdout/stderr in the child processes we spawn. + */ + devnull_fd = open("/dev/null", O_RDWR); + while (devnull_fd >= 0 && devnull_fd <= 2) + devnull_fd = dup(devnull_fd); + if (devnull_fd == -1) + die("opening /dev/null failed (%s)", strerror(errno)); + close (devnull_fd); /* * Special hack to pretend to be a CVS server |