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From a454e9c726630fe4811a1c93b2d88b0e77b3094f Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Wed, 28 Aug 2013 08:01:30 -0400
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Subject: [PATCH] execute: more debugging messages
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---
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src/core/execute.c | 35 +++++++++++++++++++++--------------
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src/login/pam-module.c | 3 ++-
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2 files changed, 23 insertions(+), 15 deletions(-)
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diff --git a/src/core/execute.c b/src/core/execute.c
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index a53ef48..981b9e4 100644
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--- a/src/core/execute.c
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+++ b/src/core/execute.c
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@@ -317,12 +317,12 @@ static int setup_input(const ExecContext *context, int socket_fd, bool apply_tty
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case EXEC_INPUT_TTY_FAIL: {
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int fd, r;
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- if ((fd = acquire_terminal(
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- tty_path(context),
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- i == EXEC_INPUT_TTY_FAIL,
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- i == EXEC_INPUT_TTY_FORCE,
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- false,
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- (usec_t) -1)) < 0)
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+ fd = acquire_terminal(tty_path(context),
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+ i == EXEC_INPUT_TTY_FAIL,
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+ i == EXEC_INPUT_TTY_FORCE,
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+ false,
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+ (usec_t) -1);
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+ if (fd < 0)
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return fd;
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if (fd != STDIN_FILENO) {
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@@ -748,6 +748,7 @@ static int setup_pam(
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char **e = NULL;
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bool close_session = false;
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pid_t pam_pid = 0, parent_pid;
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+ int flags = 0;
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assert(name);
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assert(user);
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@@ -760,6 +761,9 @@ static int setup_pam(
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* daemon. We do things this way to ensure that the main PID
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* of the daemon is the one we initially fork()ed. */
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+ if (log_get_max_level() < LOG_PRI(LOG_DEBUG))
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+ flags |= PAM_SILENT;
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+
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pam_code = pam_start(name, user, &conv, &handle);
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if (pam_code != PAM_SUCCESS) {
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handle = NULL;
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@@ -772,11 +776,11 @@ static int setup_pam(
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goto fail;
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}
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- pam_code = pam_acct_mgmt(handle, PAM_SILENT);
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+ pam_code = pam_acct_mgmt(handle, flags);
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if (pam_code != PAM_SUCCESS)
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goto fail;
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- pam_code = pam_open_session(handle, PAM_SILENT);
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+ pam_code = pam_open_session(handle, flags);
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if (pam_code != PAM_SUCCESS)
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goto fail;
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@@ -850,7 +854,7 @@ static int setup_pam(
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/* If our parent died we'll end the session */
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if (getppid() != parent_pid) {
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- pam_code = pam_close_session(handle, PAM_DATA_SILENT);
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+ pam_code = pam_close_session(handle, flags);
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if (pam_code != PAM_SUCCESS)
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goto child_finish;
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}
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@@ -858,7 +862,7 @@ static int setup_pam(
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r = 0;
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child_finish:
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- pam_end(handle, pam_code | PAM_DATA_SILENT);
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+ pam_end(handle, pam_code | flags);
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_exit(r);
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}
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@@ -880,16 +884,19 @@ static int setup_pam(
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return 0;
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fail:
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- if (pam_code != PAM_SUCCESS)
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+ if (pam_code != PAM_SUCCESS) {
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+ log_error("PAM failed: %s", pam_strerror(handle, pam_code));
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err = -EPERM; /* PAM errors do not map to errno */
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- else
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+ } else {
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+ log_error("PAM failed: %m");
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err = -errno;
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+ }
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if (handle) {
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if (close_session)
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- pam_code = pam_close_session(handle, PAM_DATA_SILENT);
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+ pam_code = pam_close_session(handle, flags);
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- pam_end(handle, pam_code | PAM_DATA_SILENT);
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+ pam_end(handle, pam_code | flags);
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}
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strv_free(e);
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diff --git a/src/login/pam-module.c b/src/login/pam-module.c
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index 49296b5..973daf7 100644
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--- a/src/login/pam-module.c
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+++ b/src/login/pam-module.c
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@@ -199,7 +199,8 @@ _public_ PAM_EXTERN int pam_sm_open_session(
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dbus_error_init(&error);
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- /* pam_syslog(handle, LOG_INFO, "pam-systemd initializing"); */
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+ if (debug)
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+ pam_syslog(handle, LOG_INFO, "pam-systemd initializing");
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/* Make this a NOP on non-logind systems */
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if (!logind_running())
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