systemd/0016-execute-more-debugging...

125 lines
4.4 KiB
Diff

From 669ac5ee25f166bdf688b06f96e8e8fd3cf9f43c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Wed, 28 Aug 2013 08:01:30 -0400
Subject: [PATCH] execute: more debugging messages
---
src/core/execute.c | 35 +++++++++++++++++++++--------------
src/login/pam-module.c | 3 ++-
2 files changed, 23 insertions(+), 15 deletions(-)
diff --git a/src/core/execute.c b/src/core/execute.c
index 3979f35..3f7ca52 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -317,12 +317,12 @@ static int setup_input(const ExecContext *context, int socket_fd, bool apply_tty
case EXEC_INPUT_TTY_FAIL: {
int fd, r;
- if ((fd = acquire_terminal(
- tty_path(context),
- i == EXEC_INPUT_TTY_FAIL,
- i == EXEC_INPUT_TTY_FORCE,
- false,
- (usec_t) -1)) < 0)
+ fd = acquire_terminal(tty_path(context),
+ i == EXEC_INPUT_TTY_FAIL,
+ i == EXEC_INPUT_TTY_FORCE,
+ false,
+ (usec_t) -1);
+ if (fd < 0)
return fd;
if (fd != STDIN_FILENO) {
@@ -748,6 +748,7 @@ static int setup_pam(
char **e = NULL;
bool close_session = false;
pid_t pam_pid = 0, parent_pid;
+ int flags = 0;
assert(name);
assert(user);
@@ -760,6 +761,9 @@ static int setup_pam(
* daemon. We do things this way to ensure that the main PID
* of the daemon is the one we initially fork()ed. */
+ if (log_get_max_level() < LOG_PRI(LOG_DEBUG))
+ flags |= PAM_SILENT;
+
pam_code = pam_start(name, user, &conv, &handle);
if (pam_code != PAM_SUCCESS) {
handle = NULL;
@@ -772,11 +776,11 @@ static int setup_pam(
goto fail;
}
- pam_code = pam_acct_mgmt(handle, PAM_SILENT);
+ pam_code = pam_acct_mgmt(handle, flags);
if (pam_code != PAM_SUCCESS)
goto fail;
- pam_code = pam_open_session(handle, PAM_SILENT);
+ pam_code = pam_open_session(handle, flags);
if (pam_code != PAM_SUCCESS)
goto fail;
@@ -850,7 +854,7 @@ static int setup_pam(
/* If our parent died we'll end the session */
if (getppid() != parent_pid) {
- pam_code = pam_close_session(handle, PAM_DATA_SILENT);
+ pam_code = pam_close_session(handle, flags);
if (pam_code != PAM_SUCCESS)
goto child_finish;
}
@@ -858,7 +862,7 @@ static int setup_pam(
r = 0;
child_finish:
- pam_end(handle, pam_code | PAM_DATA_SILENT);
+ pam_end(handle, pam_code | flags);
_exit(r);
}
@@ -880,16 +884,19 @@ static int setup_pam(
return 0;
fail:
- if (pam_code != PAM_SUCCESS)
+ if (pam_code != PAM_SUCCESS) {
+ log_error("PAM failed: %s", pam_strerror(handle, pam_code));
err = -EPERM; /* PAM errors do not map to errno */
- else
+ } else {
+ log_error("PAM failed: %m");
err = -errno;
+ }
if (handle) {
if (close_session)
- pam_code = pam_close_session(handle, PAM_DATA_SILENT);
+ pam_code = pam_close_session(handle, flags);
- pam_end(handle, pam_code | PAM_DATA_SILENT);
+ pam_end(handle, pam_code | flags);
}
strv_free(e);
diff --git a/src/login/pam-module.c b/src/login/pam-module.c
index 49296b5..973daf7 100644
--- a/src/login/pam-module.c
+++ b/src/login/pam-module.c
@@ -199,7 +199,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
dbus_error_init(&error);
- /* pam_syslog(handle, LOG_INFO, "pam-systemd initializing"); */
+ if (debug)
+ pam_syslog(handle, LOG_INFO, "pam-systemd initializing");
/* Make this a NOP on non-logind systems */
if (!logind_running())
--
1.8.4.652.g0d6e0ce