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If the user has specified "pre-xfer exec" or "post-xfer exec", run

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the indicated command(s), each at the appropriate time.
This commit is contained in:
Wayne Davison
2005-07-28 17:15:47 +00:00
parent bec617b934
commit 9d0d18b590
1 changed files with 55 additions and 0 deletions
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55
clientserver.c
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@@ -227,6 +227,9 @@ static int rsync_module(int f_in, int f_out, int i)
uid_t uid = (uid_t)-2; /* canonically "nobody" */
gid_t gid = (gid_t)-2;
char *p;
#ifdef HAVE_PUTENV
char *s;
#endif
char *addr = client_addr(f_in);
char *host = client_name(f_in);
char *name = lp_name(i);
@@ -347,6 +350,58 @@ static int rsync_module(int f_in, int f_out, int i)
log_init();
#ifdef HAVE_PUTENV
s = lp_prexfer_exec(i);
p = lp_postxfer_exec(i);
if ((s && *s) || (p && *p)) {
char *modname, *modpath, *hostaddr, *hostname, *username;
int status;
if (asprintf(&modname, "RSYNC_MODULE_NAME=%s", name) < 0
|| asprintf(&modpath, "RSYNC_MODULE_PATH=%s", lp_path(i)) < 0
|| asprintf(&hostaddr, "RSYNC_HOST_ADDR=%s", addr) < 0
|| asprintf(&hostname, "RSYNC_HOST_NAME=%s", host) < 0
|| asprintf(&username, "RSYNC_USER_NAME=%s", auth_user) < 0)
out_of_memory("rsync_module");
putenv(modname);
putenv(modpath);
putenv(hostaddr);
putenv(hostname);
putenv(username);
umask(orig_umask);
if (s && *s) {
status = system(s);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
rprintf(FLOG, "prexfer-exec failed\n");
io_printf(f_out, "@ERROR: prexfer-exec failed\n");
return -1;
}
}
if (p && *p) {
pid_t pid = fork();
if (pid < 0) {
rsyserr(FLOG, errno, "fork failed");
io_printf(f_out, "@ERROR: fork failed\n");
return -1;
}
if (pid) {
char *ret1, *ret2;
waitpid(pid, &status, 0);
if (asprintf(&ret1, "RSYNC_RAW_STATUS=%d", status) > 0)
putenv(ret1);
if (WIFEXITED(status))
status = WEXITSTATUS(status);
else
status = -1;
if (asprintf(&ret2, "RSYNC_EXIT_STATUS=%d", status) > 0)
putenv(ret2);
system(p);
_exit(status);
}
}
umask(0);
}
#endif
if (use_chroot) {
/*
* XXX: The 'use chroot' flag is a fairly reliable