/*
- * Copyright (c) 2004-2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2004-2012 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* @APPLE_LICENSE_HEADER_END@
*/
+#include <TargetConditionals.h>
+
+#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
-#include <signal.h>
#include <mach/mach.h>
#include <mach/mach_error.h>
#include <mach/mach_time.h>
#include <notify.h>
#include <notify_keys.h>
#include <utmpx.h>
-#include <vproc_priv.h>
+#include <asl_private.h>
+
+#if !TARGET_OS_IPHONE
+#include <quarantine.h>
+#endif
#include "daemon.h"
#define SERVICE_NAME "com.apple.system.logger"
#define NOTIFY_DELAY 1
-#define streq(A,B) (strcmp(A,B)==0)
-#define forever for(;;)
-
-extern int __notify_78945668_info__;
extern int _malloc_no_asl_log;
+#if TARGET_IPHONE_SIMULATOR
+const char *_path_pidfile;
+const char *_path_syslogd_log;
+#endif
+
/* global */
struct global_s global;
+#if !TARGET_IPHONE_SIMULATOR
/* Input Modules */
int klog_in_init(void);
int klog_in_reset(void);
int klog_in_close(void);
static int activate_klog_in = 1;
+#endif
int bsd_in_init(void);
int bsd_in_reset(void);
int bsd_in_close(void);
static int activate_bsd_in = 1;
+#if !TARGET_IPHONE_SIMULATOR
int udp_in_init(void);
int udp_in_reset(void);
int udp_in_close(void);
int bsd_out_reset(void);
int bsd_out_close(void);
static int activate_bsd_out = 1;
+#endif
int asl_action_init(void);
int asl_action_reset(void);
int asl_action_close(void);
static int activate_asl_action = 1;
+#if !TARGET_IPHONE_SIMULATOR
/* Interactive Module */
int remote_init(void);
int remote_reset(void);
int remote_close(void);
static int remote_enabled = 0;
+#endif
extern void database_server();
static void
init_modules()
{
- module_t *m_klog_in, *m_bsd_in, *m_bsd_out, *m_udp_in;
- module_t *m_asl, *m_remote;
+#if !TARGET_IPHONE_SIMULATOR
+ module_t *m_klog_in, *m_bsd_out, *m_udp_in, *m_remote;
+#endif
+ module_t *m_asl, *m_bsd_in;
+ int m = 0;
/* ASL module (configured by /etc/asl.conf) */
m_asl = (module_t *)calloc(1, sizeof(module_t));
if (m_asl->enabled) m_asl->init();
+#if !TARGET_IPHONE_SIMULATOR
/* BSD output module (configured by /etc/syslog.conf) */
m_bsd_out = (module_t *)calloc(1, sizeof(module_t));
if (m_bsd_out == NULL)
m_klog_in->close = klog_in_close;
if (m_klog_in->enabled) m_klog_in->init();
+#endif
/* BSD (UNIX domain socket) input module */
m_bsd_in = (module_t *)calloc(1, sizeof(module_t));
if (m_bsd_in->enabled) m_bsd_in->init();
+#if !TARGET_IPHONE_SIMULATOR
/* network (syslog protocol) input module */
m_udp_in = (module_t *)calloc(1, sizeof(module_t));
if (m_udp_in == NULL)
m_remote->close = remote_close;
if (m_remote->enabled) m_remote->init();
+#endif /* TARGET_IPHONE_SIMULATOR */
/* save modules in global.module array */
+#if TARGET_IPHONE_SIMULATOR
+ global.module_count = 2;
+#else
global.module_count = 6;
+#endif
global.module = (module_t **)calloc(global.module_count, sizeof(module_t *));
if (global.module == NULL)
{
exit(1);
}
- global.module[0] = m_asl;
- global.module[1] = m_bsd_out;
- global.module[2] = m_klog_in;
- global.module[3] = m_bsd_in;
- global.module[4] = m_udp_in;
- global.module[5] = m_remote;
+ global.module[m++] = m_asl;
+ global.module[m++] = m_bsd_in;
+#if !TARGET_IPHONE_SIMULATOR
+ global.module[m++] = m_bsd_out;
+ global.module[m++] = m_klog_in;
+ global.module[m++] = m_udp_in;
+ global.module[m++] = m_remote;
+#endif
}
static void
{
struct stat sb;
FILE *fp;
- pid_t pid = getpid();
-
- asldebug("\nsyslogd %d start\n", pid);
if (first != NULL)
{
fp = fopen(_PATH_PIDFILE, "w");
if (fp != NULL)
{
- fprintf(fp, "%d\n", pid);
+ fprintf(fp, "%d\n", global.pid);
fclose(fp);
}
}
if (global.launch_dict == NULL)
{
- asldebug("%d launchd checkin failed\n", getpid());
+ asldebug("%d launchd checkin failed\n", global.pid);
exit(1);
}
tmp = launch_data_dict_lookup(global.launch_dict, LAUNCH_JOBKEY_MACHSERVICES);
if (tmp == NULL)
{
- asldebug("%d launchd lookup of LAUNCH_JOBKEY_MACHSERVICES failed\n", getpid());
+ asldebug("%d launchd lookup of LAUNCH_JOBKEY_MACHSERVICES failed\n", global.pid);
exit(1);
}
pdict = launch_data_dict_lookup(tmp, SERVICE_NAME);
if (pdict == NULL)
{
- asldebug("%d launchd lookup of SERVICE_NAME failed\n", getpid());
+ asldebug("%d launchd lookup of SERVICE_NAME failed\n", global.pid);
exit(1);
}
}
void
-config_data_store(int type, uint32_t file_max, uint32_t memory_max, uint32_t mini_max)
+config_data_store(int type, uint32_t file_max, uint32_t memory_max, uint32_t str_memory_max)
{
pthread_mutex_lock(global.db_lock);
global.memory_db = NULL;
}
- if (global.dbtype & DB_TYPE_MINI)
- {
- asl_mini_memory_close(global.mini_db);
- global.mini_db = NULL;
- }
-
global.dbtype = type;
global.db_file_max = file_max;
global.db_memory_max = memory_max;
- global.db_mini_max = mini_max;
+ global.db_memory_str_max = str_memory_max;
pthread_mutex_unlock(global.db_lock);
}
void
write_boot_log(int first)
{
- int mib[2] = {CTL_KERN, KERN_BOOTTIME};
+ int mib[2] = {CTL_KERN, KERN_BOOTTIME};
size_t len;
- aslmsg msg;
+ asl_msg_t *msg;
char buf[256];
- struct utmpx utx;
+ struct utmpx utx;
if (first == 0)
{
/* syslogd restart */
- msg = asl_new(ASL_TYPE_MSG);
+ msg = asl_msg_new(ASL_TYPE_MSG);
if (msg == NULL) return;
- asl_set(msg, ASL_KEY_SENDER, "syslogd");
- asl_set(msg, ASL_KEY_FACILITY, "daemon");
- asl_set(msg, ASL_KEY_LEVEL, "Notice");
- asl_set(msg, ASL_KEY_UID, "0");
- asl_set(msg, ASL_KEY_GID, "0");
- snprintf(buf, sizeof(buf), "%u", getpid());
- asl_set(msg, ASL_KEY_PID, buf);
- asl_set(msg, ASL_KEY_MSG, "--- syslogd restarted ---");
- dispatch_async(global.work_queue, ^{ process_message(msg, SOURCE_INTERNAL); });
+ asl_msg_set_key_val(msg, ASL_KEY_SENDER, "syslogd");
+ asl_msg_set_key_val(msg, ASL_KEY_FACILITY, "daemon");
+ asl_msg_set_key_val(msg, ASL_KEY_LEVEL, "Notice");
+ asl_msg_set_key_val(msg, ASL_KEY_UID, "0");
+ asl_msg_set_key_val(msg, ASL_KEY_GID, "0");
+ snprintf(buf, sizeof(buf), "%u", global.pid);
+ asl_msg_set_key_val(msg, ASL_KEY_PID, buf);
+ asl_msg_set_key_val(msg, ASL_KEY_MSG, "--- syslogd restarted ---");
+ process_message(msg, SOURCE_INTERNAL);
return;
}
- bzero(&utx, sizeof(utx));
- utx.ut_type = BOOT_TIME;
- utx.ut_pid = 1;
+ bzero(&utx, sizeof(utx));
+ utx.ut_type = BOOT_TIME;
+ utx.ut_pid = 1;
/* get the boot time */
- len = sizeof(struct timeval);
- if (sysctl(mib, 2, &utx.ut_tv, &len, NULL, 0) < 0)
+ len = sizeof(struct timeval);
+ if (sysctl(mib, 2, &utx.ut_tv, &len, NULL, 0) < 0)
{
gettimeofday(&utx.ut_tv, NULL);
}
- pututxline(&utx);
+ pututxline(&utx);
- msg = asl_new(ASL_TYPE_MSG);
+ msg = asl_msg_new(ASL_TYPE_MSG);
if (msg == NULL) return;
- asl_set(msg, ASL_KEY_SENDER, "bootlog");
- asl_set(msg, ASL_KEY_FACILITY, "com.apple.system.utmpx");
- asl_set(msg, ASL_KEY_LEVEL, "Notice");
- asl_set(msg, ASL_KEY_UID, "0");
- asl_set(msg, ASL_KEY_GID, "0");
- asl_set(msg, ASL_KEY_PID, "0");
+ asl_msg_set_key_val(msg, ASL_KEY_SENDER, "bootlog");
+ asl_msg_set_key_val(msg, ASL_KEY_FACILITY, "com.apple.system.utmpx");
+ asl_msg_set_key_val(msg, ASL_KEY_LEVEL, "Notice");
+ asl_msg_set_key_val(msg, ASL_KEY_UID, "0");
+ asl_msg_set_key_val(msg, ASL_KEY_GID, "0");
+ asl_msg_set_key_val(msg, ASL_KEY_PID, "0");
snprintf(buf, sizeof(buf), "BOOT_TIME %lu %u", (unsigned long)utx.ut_tv.tv_sec, (unsigned int)utx.ut_tv.tv_usec);
- asl_set(msg, ASL_KEY_MSG, buf);
- asl_set(msg, "ut_id", "0x00 0x00 0x00 0x00");
- asl_set(msg, "ut_pid", "1");
- asl_set(msg, "ut_type", "2");
+ asl_msg_set_key_val(msg, ASL_KEY_MSG, buf);
+ asl_msg_set_key_val(msg, "ut_id", "0x00 0x00 0x00 0x00");
+ asl_msg_set_key_val(msg, "ut_pid", "1");
+ asl_msg_set_key_val(msg, "ut_type", "2");
snprintf(buf, sizeof(buf), "%lu", (unsigned long)utx.ut_tv.tv_sec);
- asl_set(msg, ASL_KEY_TIME, buf);
- asl_set(msg, "ut_tv.tv_sec", buf);
+ asl_msg_set_key_val(msg, ASL_KEY_TIME, buf);
+ asl_msg_set_key_val(msg, "ut_tv.tv_sec", buf);
snprintf(buf, sizeof(buf), "%u", (unsigned int)utx.ut_tv.tv_usec);
- asl_set(msg, "ut_tv.tv_usec", buf);
+ asl_msg_set_key_val(msg, "ut_tv.tv_usec", buf);
snprintf(buf, sizeof(buf), "%u%s", (unsigned int)utx.ut_tv.tv_usec, (utx.ut_tv.tv_usec == 0) ? "" : "000");
- asl_set(msg, ASL_KEY_TIME_NSEC, buf);
+ asl_msg_set_key_val(msg, ASL_KEY_TIME_NSEC, buf);
- dispatch_async(global.work_queue, ^{ process_message(msg, SOURCE_INTERNAL); });
+ process_message(msg, SOURCE_INTERNAL);
}
int
main(int argc, const char *argv[])
{
int32_t i;
- int network_change_token, asl_db_token;
- char tstr[32];
+ uint64_t master_val;
+#if !TARGET_IPHONE_SIMULATOR
+ int network_change_token;
+#endif
+ int quota_file_token, asl_db_token, master_token;
+ char tstr[32], *notify_key;
time_t now;
int first_syslogd_start = 1;
+#if TARGET_IPHONE_SIMULATOR
+ const char *sim_log_dir = getenv("SIMULATOR_LOG_ROOT");
+ const char *sim_resource_dir = getenv("SIMULATOR_SHARED_RESOURCES_DIRECTORY");
+ char *p;
+
+ /* assert is evil */
+ assert(sim_log_dir && sim_resource_dir);
+
+ asprintf((char **)&_path_syslogd_log, "%s/syslogd.log", sim_log_dir);
+ asprintf((char **)&_path_pidfile, "%s/var/run/syslog.pid", sim_resource_dir);
+
+ if (_path_syslogd_log == NULL) _path_syslogd_log = "/tmp/syslogd.log";
+ else mkpath_np(sim_log_dir, 0755);
+
+ if (_path_pidfile == NULL)
+ {
+ _path_pidfile = "/tmp/syslog.pid";
+ }
+ else
+ {
+ p = strrchr(_path_pidfile, '/');
+ *p = '\0';
+ mkpath_np(_path_pidfile, 0755);
+ *p = '/';
+ }
+#endif
+
/* Set I/O policy */
setiopolicy_np(IOPOL_TYPE_DISK, IOPOL_SCOPE_PROCESS, IOPOL_PASSIVE);
+#if !TARGET_OS_IPHONE
+ /* Set Quarantine */
+ qtn_proc_t qp = qtn_proc_alloc();
+ qtn_proc_set_identifier(qp, "com.apple.syslogd");
+ qtn_proc_set_flags(qp, QTN_FLAG_SANDBOX | QTN_FLAG_HARD);
+ qtn_proc_apply_to_self(qp);
+ qtn_proc_free(qp);
+#endif
+
memset(&global, 0, sizeof(struct global_s));
global.db_lock = (pthread_mutex_t *)calloc(1, sizeof(pthread_mutex_t));
global.work_queue = dispatch_queue_create("Work Queue", NULL);
dispatch_suspend(global.work_queue);
- global.lockdown_session_fd = -1;
-
init_globals();
-#ifdef CONFIG_IPHONE
+#if TARGET_OS_EMBEDDED
remote_enabled = 1;
activate_bsd_out = 0;
#endif
}
else if (streq(argv[i], "iphone"))
{
- global.dbtype = DB_TYPE_MINI;
+#if TARGET_IPHONE_SIMULATOR
+ global.dbtype = DB_TYPE_FILE;
+ global.db_file_max = 25600000;
+#else
+ global.dbtype = DB_TYPE_MEMORY;
remote_enabled = 1;
+#endif
}
}
}
{
global.debug = 1;
if (((i+1) < argc) && (argv[i+1][0] != '-')) global.debug_file = strdup(argv[++i]);
- memset(tstr, 0, sizeof(tstr));
- now = time(NULL);
- ctime_r(&now, tstr);
- tstr[19] = '\0';
- asldebug("%s syslogd[%d]: Start\n", tstr, getpid());
}
else if (streq(argv[i], "-db"))
{
global.dbtype |= DB_TYPE_MEMORY;
if (((i + 1) < argc) && (argv[i+1][0] != '-')) global.db_memory_max = atol(argv[++i]);
}
- else if (streq(argv[i], "mini"))
- {
- global.dbtype |= DB_TYPE_MINI;
- if (((i + 1) < argc) && (argv[i+1][0] != '-')) global.db_mini_max = atol(argv[++i]);
- }
}
}
else if (streq(argv[i], "-m"))
{
if ((i + 1) < argc) global.bsd_max_dup_time = atoll(argv[++i]);
}
+#if !TARGET_IPHONE_SIMULATOR
else if (streq(argv[i], "-klog_in"))
{
if ((i + 1) < argc) activate_klog_in = atoi(argv[++i]);
{
if ((i + 1) < argc) activate_udp_in = atoi(argv[++i]);
}
+#endif
+ else if (streq(argv[i], "-launchd_in"))
+ {
+ if ((i + 1) < argc) global.launchd_enabled = atoi(argv[++i]);
+ }
+#if !TARGET_IPHONE_SIMULATOR
else if (streq(argv[i], "-bsd_out"))
{
if ((i + 1) < argc) activate_bsd_out = atoi(argv[++i]);
{
if ((i + 1) < argc) remote_enabled = atoi(argv[++i]);
}
+#endif
}
if (global.dbtype == 0)
signal(SIGHUP, SIG_IGN);
+ memset(tstr, 0, sizeof(tstr));
+ now = time(NULL);
+ ctime_r(&now, tstr);
+ tstr[19] = '\0';
+ asldebug("\n%s syslogd PID %d starting\n", tstr, global.pid);
+
writepid(&first_syslogd_start);
/*
*/
write_boot_log(first_syslogd_start);
+ /* default NOTIFY_SYSTEM_MASTER settings */
+ master_val = 0x0;
+ notify_register_plain(NOTIFY_SYSTEM_MASTER, &master_token);
+ notify_set_state(master_token, master_val);
+
asldebug("reading launch plist\n");
launch_config();
asldebug("initializing modules\n");
init_modules();
- dispatch_resume(global.work_queue);
+
+#if !TARGET_IPHONE_SIMULATOR
+ asldebug("setting up network change notification handler\n");
/* network change notification resets UDP and BSD modules */
- notify_register_dispatch(kNotifySCNetworkChange, &network_change_token, global.work_queue, ^(int x){
- if (activate_udp_in != 0) udp_in_reset();
- if (activate_bsd_out != 0) bsd_out_reset();
- });
+ notify_register_dispatch(kNotifySCNetworkChange, &network_change_token, global.work_queue, ^(int x){
+ if (activate_udp_in != 0) udp_in_reset();
+ if (activate_bsd_out != 0) bsd_out_reset();
+ });
+#endif
+
+ asldebug("setting up quota notification handler\n");
+
+ notify_key = NULL;
+ asprintf(¬ify_key, "%s%s", NOTIFY_PATH_SERVICE, NOQUOTA_FILE_PATH);
+ if (notify_key != NULL)
+ {
+ int status;
+
+ status = notify_register_dispatch(notify_key, "a_file_token, dispatch_get_main_queue(), ^(int t){
+ struct stat sb;
+ memset(&sb, 0, sizeof(sb));
+ if (stat(NOQUOTA_FILE_PATH, &sb) == 0)
+ {
+ char *str = NULL;
+ asprintf(&str, "[Sender syslogd] [Level 2] [PID %u] [Facility syslog] [Message *** MESSAGE QUOTAS DISABLED FOR ALL PROCESSES ***]", global.pid);
+ internal_log_message(str);
+ free(str);
+ }
+ else
+ {
+ char *str = NULL;
+ asprintf(&str, "[Sender syslogd] [Level 2] [PID %u] [Facility syslog] [Message *** MESSAGE QUOTAS ENABLED ***]", global.pid);
+ internal_log_message(str);
+ free(str);
+ }
+ });
+
+ free(notify_key);
+ }
/* SIGHUP resets all modules */
global.sig_hup_src = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, (uintptr_t)SIGHUP, 0, dispatch_get_main_queue());
notify_register_plain(kNotifyASLDBUpdate, &asl_db_token);
/* timer for MARK facility */
- if (global.mark_time > 0)
+ if (global.mark_time > 0)
{
global.mark_timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue());
dispatch_source_set_event_handler(global.mark_timer, ^{
asl_mark();
});
- dispatch_source_set_timer(global.mark_timer, dispatch_walltime(NULL, global.mark_time * NSEC_PER_SEC), global.mark_time * NSEC_PER_SEC, 0);
+ dispatch_source_set_timer(global.mark_timer, dispatch_time(DISPATCH_TIME_NOW, global.mark_time * NSEC_PER_SEC), global.mark_time * NSEC_PER_SEC, 0);
dispatch_resume(global.mark_timer);
}
- /*
- * Start launchd service
- * This pins a thread in _vprocmgr_log_drain. Eventually we will either
- * remove the whole stderr/stdout -> ASL mechanism entirely, or come up
- * with a communication channel that we can trigger with a dispatch source.
- */
- dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
- forever _vprocmgr_log_drain(NULL, NULL, launchd_callback);
- });
-
+ asldebug("starting mach service\n");
/*
* Start mach server
* Parks a thread in database_server. In notifyd, we found that the overhead of
database_server();
});
+ /* go to work */
+ asldebug("starting work queue\n");
+ dispatch_resume(global.work_queue);
dispatch_main();
/* NOTREACHED */