/*
- * Copyright (c) 2004-2010 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 <dlfcn.h>
#include <libgen.h>
#include <notify.h>
+#include <notify_keys.h>
#include <utmpx.h>
+#include <asl_private.h>
+
+#if !TARGET_OS_IPHONE
+#include <quarantine.h>
+#endif
#include "daemon.h"
#define SERVICE_NAME "com.apple.system.logger"
#define SERVER_STATUS_ACTIVE 1
#define SERVER_STATUS_ON_DEMAND 2
-#define DEFAULT_MARK_SEC 0
-#define DEFAULT_UTMP_TTL_SEC 31622400
-#define DEFAULT_FS_TTL_SEC 31622400
-#define DEFAULT_BSD_MAX_DUP_SEC 30
-#define DEFAULT_MPS_LIMIT 500
#define BILLION 1000000000
#define NOTIFY_DELAY 1
-#define NETWORK_CHANGE_NOTIFICATION "com.apple.system.config.network_change"
-
-#define streq(A,B) (strcmp(A,B)==0)
-#define forever for(;;)
-
-static uint64_t time_start = 0;
-static uint64_t mark_last = 0;
-static uint64_t ping_last = 0;
-static uint64_t time_last = 0;
-
-extern int __notify_78945668_info__;
extern int _malloc_no_asl_log;
-static TAILQ_HEAD(ml, module_list) Moduleq;
+#if TARGET_IPHONE_SIMULATOR
+const char *_path_pidfile;
+const char *_path_syslogd_log;
+#endif
/* global */
struct global_s global;
-/* Static Modules */
-int asl_in_init();
-int asl_in_reset();
-int asl_in_close();
-static int activate_asl_in = 1;
-
-int asl_action_init();
-int asl_action_reset();
-int asl_action_close();
-static int activate_asl_action = 1;
-
-int klog_in_init();
-int klog_in_reset();
-int klog_in_close();
+#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();
-int bsd_in_reset();
-int bsd_in_close();
+int bsd_in_init(void);
+int bsd_in_reset(void);
+int bsd_in_close(void);
static int activate_bsd_in = 1;
-int bsd_out_init();
-int bsd_out_reset();
-int bsd_out_close();
+#if !TARGET_IPHONE_SIMULATOR
+int udp_in_init(void);
+int udp_in_reset(void);
+int udp_in_close(void);
+static int activate_udp_in = 1;
+
+/* Output Modules */
+int bsd_out_init(void);
+int bsd_out_reset(void);
+int bsd_out_close(void);
static int activate_bsd_out = 1;
+#endif
-int remote_init();
-int remote_reset();
-int remote_close();
-static int activate_remote = 0;
+int asl_action_init(void);
+int asl_action_reset(void);
+int asl_action_close(void);
+static int activate_asl_action = 1;
-int udp_in_init();
-int udp_in_reset();
-int udp_in_close();
-static int activate_udp_in = 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();
-extern void output_worker();
-extern void launchd_drain();
-extern void bsd_flush_duplicates(time_t now);
-extern void bsd_close_idle_files(time_t now);
-
-/*
- * Module approach: only one type of module. This module may implement
- * the set of functions necessary for any of the functions (input, output,
- * etc.) Prior to using the modules, dlsym() is consulted to see what it
- * implements.
- */
-static int
-static_modules()
+static void
+init_modules()
{
- struct module_list *tmp;
+#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;
- /*
- * The order of these initializations is important.
- * When messages are sent to output modules, they are
- * sent in the same order as these initializations.
- * asl_action may add modify messages, for example to
- * add access controls, so it must come first.
- */
- if (activate_asl_action != 0)
+ /* ASL module (configured by /etc/asl.conf) */
+ m_asl = (module_t *)calloc(1, sizeof(module_t));
+ if (m_asl == NULL)
{
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
-
- tmp->name = strdup("asl_action");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
-
- tmp->module = NULL;
- tmp->init = asl_action_init;
- tmp->reset = asl_action_reset;
- tmp->close = asl_action_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ asldebug("alloc failed (init_modules asl_action)\n");
+ exit(1);
}
- if (activate_asl_in != 0)
- {
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
+ m_asl->name = "asl_action";
+ m_asl->enabled = activate_asl_action;
+ m_asl->init = asl_action_init;
+ m_asl->reset = asl_action_reset;
+ m_asl->close = asl_action_close;
- tmp->name = strdup("asl_in");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
+ if (m_asl->enabled) m_asl->init();
- tmp->module = NULL;
- tmp->init = asl_in_init;
- tmp->reset = asl_in_reset;
- tmp->close = asl_in_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
- }
-
- if (activate_klog_in != 0)
+#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)
{
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
-
- tmp->name = strdup("klog_in");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
-
- tmp->module = NULL;
- tmp->init = klog_in_init;
- tmp->reset = klog_in_reset;
- tmp->close = klog_in_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ asldebug("alloc failed (init_modules bsd_out)\n");
+ exit(1);
}
- if (activate_bsd_in != 0)
- {
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
-
- tmp->name = strdup("bsd_in");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
-
- tmp->module = NULL;
- tmp->init = bsd_in_init;
- tmp->reset = bsd_in_reset;
- tmp->close = bsd_in_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
- }
+ m_bsd_out->name = "bsd_out";
+ m_bsd_out->enabled = activate_bsd_out;
+ m_bsd_out->init = bsd_out_init;
+ m_bsd_out->reset = bsd_out_reset;
+ m_bsd_out->close = bsd_out_close;
- if (activate_bsd_out != 0)
+ if (m_bsd_out->enabled)
{
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
-
- tmp->name = strdup("bsd_out");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
-
- tmp->module = NULL;
- tmp->init = bsd_out_init;
- tmp->reset = bsd_out_reset;
- tmp->close = bsd_out_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ m_bsd_out->init();
+ global.bsd_out_enabled = 1;
}
- if (activate_remote != 0)
+ /* kernel input module */
+ m_klog_in = (module_t *)calloc(1, sizeof(module_t));
+ if (m_klog_in == NULL)
{
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
-
- tmp->name = strdup("remote");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
-
- tmp->module = NULL;
- tmp->init = remote_init;
- tmp->reset = remote_reset;
- tmp->close = remote_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ asldebug("alloc failed (init_modules klog_in)\n");
+ exit(1);
}
- if (activate_udp_in != 0)
- {
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL) return 1;
+ m_klog_in->name = "klog_in";
+ m_klog_in->enabled = activate_klog_in;
+ m_klog_in->init = klog_in_init;
+ m_klog_in->reset = klog_in_reset;
+ m_klog_in->close = klog_in_close;
- tmp->name = strdup("udp_in");
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
+ if (m_klog_in->enabled) m_klog_in->init();
+#endif
- tmp->module = NULL;
- tmp->init = udp_in_init;
- tmp->reset = udp_in_reset;
- tmp->close = udp_in_close;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ /* BSD (UNIX domain socket) input module */
+ m_bsd_in = (module_t *)calloc(1, sizeof(module_t));
+ if (m_bsd_in == NULL)
+ {
+ asldebug("alloc failed (init_modules bsd_in)\n");
+ exit(1);
}
- return 0;
-}
+ m_bsd_in->name = "bsd_in";
+ m_bsd_in->enabled = activate_bsd_in;
+ m_bsd_in->init = bsd_in_init;
+ m_bsd_in->reset = bsd_in_reset;
+ m_bsd_in->close = bsd_in_close;
-/*
- * Loads all the modules. This DOES NOT call the modules initializer
- * functions. It simply scans the modules directory looking for modules
- * and loads them. This does not mean the module will be used.
- */
-static int
-load_modules(const char *mp)
-{
- DIR *d;
- struct dirent *de;
- struct module_list *tmp;
- void *c, *bn;
- char *modulepath = NULL;
+ if (m_bsd_in->enabled) m_bsd_in->init();
- d = opendir(mp);
- if (d == NULL) return -1;
-
- while (NULL != (de = readdir(d)))
+#if !TARGET_IPHONE_SIMULATOR
+ /* network (syslog protocol) input module */
+ m_udp_in = (module_t *)calloc(1, sizeof(module_t));
+ if (m_udp_in == NULL)
{
- if (de->d_name[0] == '.') continue;
-
- /* Must have ".so" in the name" */
- if (!strstr(de->d_name, ".so")) continue;
+ asldebug("alloc failed (init_modules udp_in)\n");
+ exit(1);
+ }
- asprintf(&modulepath, "%s/%s", mp, de->d_name);
- if (!modulepath) continue;
+ m_udp_in->name = "udp_in";
+ m_udp_in->enabled = activate_udp_in;
+ m_udp_in->init = udp_in_init;
+ m_udp_in->reset = udp_in_reset;
+ m_udp_in->close = udp_in_close;
- c = dlopen(modulepath, RTLD_LOCAL);
- if (c == NULL)
- {
- free(modulepath);
- continue;
- }
+ if (m_udp_in->enabled) m_udp_in->init();
- tmp = calloc(1, sizeof(struct module_list));
- if (tmp == NULL)
- {
- free(modulepath);
- dlclose(c);
- continue;
- }
-
- bn = basename(modulepath);
- tmp->name = strdup(bn);
- if (tmp->name == NULL)
- {
- free(tmp);
- return 1;
- }
+ /* remote (iOS support) module */
+ m_remote = (module_t *)calloc(1, sizeof(module_t));
+ if (m_remote == NULL)
+ {
+ asldebug("alloc failed (init_modules remote)\n");
+ exit(1);
+ }
- tmp->module = c;
- TAILQ_INSERT_TAIL(&Moduleq, tmp, entries);
+ m_remote->name = "remote";
+ m_remote->enabled = remote_enabled;
+ m_remote->init = remote_init;
+ m_remote->reset = remote_reset;
+ m_remote->close = remote_close;
- tmp->init = dlsym(tmp->module, "aslmod_init");
- tmp->reset = dlsym(tmp->module, "aslmod_reset");
- tmp->close = dlsym(tmp->module, "aslmod_close");
+ if (m_remote->enabled) m_remote->init();
+#endif /* TARGET_IPHONE_SIMULATOR */
- free(modulepath);
+ /* 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)
+ {
+ asldebug("alloc failed (init_modules)\n");
+ exit(1);
}
- closedir(d);
-
- return 0;
+ 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
fp = fopen(_PATH_PIDFILE, "w");
if (fp != NULL)
{
- fprintf(fp, "%d\n", getpid());
+ fprintf(fp, "%d\n", global.pid);
fclose(fp);
}
}
-static void
-closeall(void)
-{
- int i;
-
- for (i = getdtablesize() - 1; i >= 0; i--) close(i);
-
- open("/dev/null", O_RDWR, 0);
- dup(0);
- dup(0);
-}
-
-static void
-detach(void)
-{
- signal(SIGINT, SIG_IGN);
- signal(SIGPIPE, SIG_IGN);
- setsid();
-}
-
-static void
-catch_sighup(int x)
-{
- global.reset = RESET_CONFIG;
-}
-
-static void
-catch_siginfo(int x)
-{
- global.reset = RESET_NETWORK;
-}
-
-static void
-send_reset(void)
-{
- struct module_list *mod;
-
- for (mod = Moduleq.tqh_first; mod != NULL; mod = mod->entries.tqe_next)
- {
- if (mod->reset != NULL) mod->reset();
- }
-}
-
-/*
- * perform timed activities and set next run-loop timeout
- */
-static void
-timed_events(struct timeval **run)
-{
- time_t now, delta, t;
- static struct timeval next;
-
- now = time(NULL);
-
- *run = NULL;
- next.tv_sec = 0;
- next.tv_usec = 0;
-
- if (time_start == 0)
- {
- /* startup */
- time_start = now;
- time_last = now;
- mark_last = now;
- ping_last = now;
- }
-
- /*
- * At startup, we try sending a notification once a second.
- * Once it succeeds, we set the Libc global __notify_78945668_info__ to 0
- * which lets Libc's localtime calculations use notifyd to invalidate
- * cached timezones. This prevents a deadlock in localtime.
- */
- if (__notify_78945668_info__ < 0)
- {
- if (notify_post("com.apple.system.syslogd") == NOTIFY_STATUS_OK) __notify_78945668_info__ = 0;
- else next.tv_sec = 1;
- }
-
- if (time_last > now)
- {
- /*
- * Despite Albert Einstein's assurance, time has gone backward.
- * Reset "last" times to current time.
- */
- time_last = now;
- mark_last = now;
- ping_last = now;
- }
-
- /*
- * Tickle bsd_out module to flush duplicates.
- */
- if (global.bsd_flush_time > 0)
- {
- bsd_flush_duplicates(now);
- bsd_close_idle_files(now);
- if (global.bsd_flush_time > 0)
- {
- if (next.tv_sec == 0) next.tv_sec = global.bsd_flush_time;
- else if (global.bsd_flush_time < next.tv_sec) next.tv_sec = global.bsd_flush_time;
- }
- }
-
- /*
- * Tickle asl_store to sweep file cache
- */
- if (global.asl_store_ping_time > 0)
- {
- delta = now - ping_last;
- if (delta >= global.asl_store_ping_time)
- {
- db_ping_store();
- bsd_close_idle_files(now);
- ping_last = now;
- t = global.asl_store_ping_time;
- }
- else
- {
- t = global.asl_store_ping_time - delta;
- }
-
- if (next.tv_sec == 0) next.tv_sec = t;
- else if (t < next.tv_sec) next.tv_sec = t;
- }
-
- /*
- * Send MARK
- */
- if (global.mark_time > 0)
- {
- delta = now - mark_last;
- if (delta >= global.mark_time)
- {
- asl_mark();
- mark_last = now;
- t = global.mark_time;
- }
- else
- {
- t = global.mark_time - delta;
- }
-
- if (next.tv_sec == 0) next.tv_sec = t;
- else if (t < next.tv_sec) next.tv_sec = t;
- }
-
- /*
- * set output timeout parameter if runloop needs to have a timer
- */
- if (next.tv_sec > 0) *run = &next;
-
- time_last = now;
-}
-
void
-init_config()
+launch_config()
{
launch_data_t tmp, pdict;
kern_return_t status;
if (global.launch_dict == NULL)
{
- fprintf(stderr, "%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)
{
- fprintf(stderr, "%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)
{
- fprintf(stderr, "%d launchd lookup of SERVICE_NAME failed\n", getpid());
+ asldebug("%d launchd lookup of SERVICE_NAME failed\n", global.pid);
exit(1);
}
global.server_port = launch_data_get_machport(pdict);
- /* port for receiving internal messages */
- status = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &(global.self_port));
- if (status != KERN_SUCCESS)
- {
- fprintf(stderr, "mach_port_allocate self_port failed: %d", status);
- exit(1);
- }
-
- status = mach_port_insert_right(mach_task_self(), global.self_port, global.self_port, MACH_MSG_TYPE_MAKE_SEND);
- if (status != KERN_SUCCESS)
- {
- fprintf(stderr, "Can't make send right for self_port: %d\n", status);
- exit(1);
- }
-
/* port for receiving MACH_NOTIFY_DEAD_NAME notifications */
status = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &(global.dead_session_port));
if (status != KERN_SUCCESS)
{
- fprintf(stderr, "mach_port_allocate dead_session_port failed: %d", status);
+ asldebug("mach_port_allocate dead_session_port failed: %d", status);
exit(1);
}
status = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_PORT_SET, &(global.listen_set));
if (status != KERN_SUCCESS)
{
- fprintf(stderr, "mach_port_allocate listen_set failed: %d", status);
+ asldebug("mach_port_allocate listen_set failed: %d", status);
exit(1);
}
status = mach_port_move_member(mach_task_self(), global.server_port, global.listen_set);
if (status != KERN_SUCCESS)
{
- fprintf(stderr, "mach_port_move_member server_port failed: %d", status);
- exit(1);
- }
-
- status = mach_port_move_member(mach_task_self(), global.self_port, global.listen_set);
- if (status != KERN_SUCCESS)
- {
- fprintf(stderr, "mach_port_move_member self_port failed: %d", status);
+ asldebug("mach_port_move_member server_port failed: %d", status);
exit(1);
}
status = mach_port_move_member(mach_task_self(), global.dead_session_port, global.listen_set);
if (status != KERN_SUCCESS)
{
- fprintf(stderr, "mach_port_move_member dead_session_port failed (%u)", status);
+ asldebug("mach_port_move_member dead_session_port failed (%u)", status);
exit(1);
}
}
OSSpinLockLock(&global.lock);
global.debug = enable;
- if (global.debug_file != NULL) free(global.debug_file);
+ free(global.debug_file);
global.debug_file = NULL;
if (path != NULL) global.debug_file = strdup(path);
}
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 ---");
- asl_enqueue_message(SOURCE_INTERNAL, NULL, msg);
+ 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);
- asl_enqueue_message(SOURCE_INTERNAL, NULL, msg);
+ process_message(msg, SOURCE_INTERNAL);
}
int
main(int argc, const char *argv[])
{
- struct module_list *mod;
- fd_set rd, wr, ex, kern;
- int32_t fd, i, max, status, daemonize;
- const char *mp;
- struct timeval *runloop_timer, zto;
- pthread_attr_t attr;
- pthread_t t;
+ int32_t i;
+ uint64_t master_val;
+#if !TARGET_IPHONE_SIMULATOR
int network_change_token;
- char tstr[32];
+#endif
+ int quota_file_token, asl_db_token, master_token;
+ char tstr[32], *notify_key;
time_t now;
- int first_syslogs_start = 1;
+ 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));
pthread_mutex_init(global.db_lock, NULL);
- global.work_queue_lock = (pthread_mutex_t *)calloc(1, sizeof(pthread_mutex_t));
- pthread_mutex_init(global.work_queue_lock, NULL);
-
- pthread_cond_init(&global.work_queue_cond, NULL);
-
- global.work_queue = (asl_search_result_t *)calloc(1, sizeof(asl_search_result_t));
-
- global.asl_log_filter = ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG);
- global.db_file_max = 16384000;
- global.db_memory_max = 8192;
- global.db_mini_max = 256;
- global.bsd_max_dup_time = DEFAULT_BSD_MAX_DUP_SEC;
- global.utmp_ttl = DEFAULT_UTMP_TTL_SEC;
- global.fs_ttl = DEFAULT_FS_TTL_SEC;
- global.mps_limit = DEFAULT_MPS_LIMIT;
- global.kfd = -1;
- global.lockdown_session_fd = -1;
+ /*
+ * Create work queue, but suspend until output modules are initialized.
+ */
+ global.work_queue = dispatch_queue_create("Work Queue", NULL);
+ dispatch_suspend(global.work_queue);
-#ifdef CONFIG_MAC
- global.dbtype = DB_TYPE_FILE;
- global.db_file_max = 25600000;
- global.asl_store_ping_time = 150;
-#endif
+ init_globals();
-#ifdef CONFIG_IPHONE
- global.dbtype = DB_TYPE_MINI;
- activate_remote = 1;
+#if TARGET_OS_EMBEDDED
+ remote_enabled = 1;
activate_bsd_out = 0;
#endif
- mp = _PATH_MODULE_LIB;
- daemonize = 0;
- __notify_78945668_info__ = 0xf0000000;
- zto.tv_sec = 0;
- zto.tv_usec = 0;
-
/* prevent malloc from calling ASL on error */
_malloc_no_asl_log = 1;
}
else if (streq(argv[i], "iphone"))
{
- global.dbtype = DB_TYPE_MINI;
- activate_remote = 1;
+#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], "-D"))
- {
- daemonize = 1;
- }
else if (streq(argv[i], "-m"))
{
if ((i + 1) < argc) global.mark_time = 60 * atoll(argv[++i]);
{
if ((i + 1) < argc) global.utmp_ttl = atol(argv[++i]);
}
- else if (streq(argv[i], "-fs_ttl"))
- {
- if ((i + 1) < argc) global.fs_ttl = atol(argv[++i]);
- }
else if (streq(argv[i], "-mps_limit"))
{
if ((i + 1) < argc) global.mps_limit = atol(argv[++i]);
}
- else if (streq(argv[i], "-l"))
- {
- if ((i + 1) < argc) mp = argv[++i];
- }
- else if (streq(argv[i], "-c"))
- {
- if ((i + 1) < argc)
- {
- i++;
- if ((argv[i][0] >= '0') && (argv[i][0] <= '7') && (argv[i][1] == '\0')) global.asl_log_filter = ASL_FILTER_MASK_UPTO(atoi(argv[i]));
- }
- }
else if (streq(argv[i], "-dup_delay"))
{
if ((i + 1) < argc) global.bsd_max_dup_time = atoll(argv[++i]);
}
- else if (streq(argv[i], "-asl_in"))
- {
- if ((i + 1) < argc) activate_asl_in = atoi(argv[++i]);
- }
- else if (streq(argv[i], "-asl_action"))
- {
- if ((i + 1) < argc) activate_asl_action = atoi(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_bsd_in = atoi(argv[++i]);
}
+ else if (streq(argv[i], "-udp_in"))
+ {
+ 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]);
}
else if (streq(argv[i], "-remote"))
{
- if ((i + 1) < argc) activate_remote = atoi(argv[++i]);
- }
- else if (streq(argv[i], "-udp_in"))
- {
- if ((i + 1) < argc) activate_udp_in = atoi(argv[++i]);
+ if ((i + 1) < argc) remote_enabled = atoi(argv[++i]);
}
+#endif
}
if (global.dbtype == 0)
{
global.dbtype = DB_TYPE_FILE;
global.db_file_max = 25600000;
- global.asl_store_ping_time = 150;
}
- TAILQ_INIT(&Moduleq);
- static_modules();
- load_modules(mp);
- aslevent_init();
+ signal(SIGHUP, SIG_IGN);
- if (global.debug == 0)
- {
- if (daemonize != 0)
- {
- if (fork() != 0) exit(0);
-
- detach();
- closeall();
- }
-
- writepid(&first_syslogs_start);
- }
-
- init_config();
-
- signal(SIGHUP, catch_sighup);
- signal(SIGINFO, catch_siginfo);
-
- /* register for network change notifications if the udp_in module is active */
- network_change_token = -1;
- if (activate_udp_in != 0) notify_register_signal(NETWORK_CHANGE_NOTIFICATION, SIGINFO, &network_change_token);
+ 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);
- for (mod = Moduleq.tqh_first; mod != NULL; mod = mod->entries.tqe_next)
- {
- fd = mod->init();
- if (fd < 0) continue;
- }
+ writepid(&first_syslogd_start);
/*
- * Start database server thread
+ * Log UTMPX boot time record
*/
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&t, &attr, (void *(*)(void *))database_server, NULL);
- pthread_attr_destroy(&attr);
+ write_boot_log(first_syslogd_start);
- /*
- * Start output worker thread
- */
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&t, &attr, (void *(*)(void *))output_worker, NULL);
- pthread_attr_destroy(&attr);
+ /* default NOTIFY_SYSTEM_MASTER settings */
+ master_val = 0x0;
+ notify_register_plain(NOTIFY_SYSTEM_MASTER, &master_token);
+ notify_set_state(master_token, master_val);
- FD_ZERO(&rd);
- FD_ZERO(&wr);
- FD_ZERO(&ex);
+ asldebug("reading launch plist\n");
+ launch_config();
- /*
- * Log UTMPX boot time record
- */
- write_boot_log(first_syslogs_start);
+ asldebug("initializing modules\n");
+ init_modules();
- /*
- * drain /dev/klog first
- */
- if (global.kfd >= 0)
- {
- FD_ZERO(&kern);
- FD_SET(global.kfd, &kern);
- max = global.kfd + 1;
- while (select(max, &kern, NULL, NULL, &zto) > 0)
- {
- aslevent_handleevent(&kern, &wr, &ex);
- }
- }
+#if !TARGET_IPHONE_SIMULATOR
+ asldebug("setting up network change notification handler\n");
- /*
- * Start launchd drain thread
- */
- pthread_attr_init(&attr);
- pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&t, &attr, (void *(*)(void *))launchd_drain, NULL);
- pthread_attr_destroy(&attr);
+ /* 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();
+ });
+#endif
- runloop_timer = NULL;
- timed_events(&runloop_timer);
+ asldebug("setting up quota notification handler\n");
- forever
+ notify_key = NULL;
+ asprintf(¬ify_key, "%s%s", NOTIFY_PATH_SERVICE, NOQUOTA_FILE_PATH);
+ if (notify_key != NULL)
{
- /* aslevent_fdsets clears the fdsets, then sets any non-zero fds from the aslevent list */
- max = aslevent_fdsets(&rd, &wr, &ex) + 1;
+ int status;
- status = select(max, &rd, &wr, &ex, runloop_timer);
- if ((status < 0) && (errno == EBADF))
- {
- /* Catastrophic error! */
- aslevent_check();
- abort();
- }
+ 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);
+ }
+ });
- if ((global.kfd >= 0) && FD_ISSET(global.kfd, &rd))
- {
- /* drain /dev/klog */
- FD_ZERO(&kern);
- FD_SET(global.kfd, &kern);
- max = global.kfd + 1;
+ free(notify_key);
+ }
- while (select(max, &kern, NULL, NULL, &zto) > 0)
+ /* SIGHUP resets all modules */
+ global.sig_hup_src = dispatch_source_create(DISPATCH_SOURCE_TYPE_SIGNAL, (uintptr_t)SIGHUP, 0, dispatch_get_main_queue());
+ dispatch_source_set_event_handler(global.sig_hup_src, ^{
+ dispatch_async(global.work_queue, ^{
+ int i;
+
+ asldebug("SIGHUP reset\n");
+ for (i = 0; i < global.module_count; i++)
{
- aslevent_handleevent(&kern, &wr, &ex);
+ if (global.module[i]->enabled != 0) global.module[i]->reset();
}
- }
+ });
+ });
- if (status > 0) aslevent_handleevent(&rd, &wr, &ex);
+ dispatch_resume(global.sig_hup_src);
- if ((global.reset != RESET_NONE) || (status < 0))
- {
- send_reset();
- global.reset = RESET_NONE;
- }
+ /* register for DB notification (posted by dbserver) for performance */
+ notify_register_plain(kNotifyASLDBUpdate, &asl_db_token);
- timed_events(&runloop_timer);
- }
+ /* timer for MARK facility */
+ 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_time(DISPATCH_TIME_NOW, global.mark_time * NSEC_PER_SEC), global.mark_time * NSEC_PER_SEC, 0);
+ dispatch_resume(global.mark_timer);
+ }
+
+ asldebug("starting mach service\n");
+ /*
+ * Start mach server
+ * Parks a thread in database_server. In notifyd, we found that the overhead of
+ * a dispatch source for mach calls was too high, especially on iOS.
+ */
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+ database_server();
+ });
+
+ /* go to work */
+ asldebug("starting work queue\n");
+ dispatch_resume(global.work_queue);
+ dispatch_main();
+
+ /* NOTREACHED */
+ return 0;
}
projects / apple / syslog.git / blobdiff