/*
- * Copyright (c) 2004-2009 Apple Inc. All rights reserved.
+ * Copyright (c) 2004-2012 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#include <sys/queue.h>
#include <time.h>
#include <asl.h>
+#include <asl_msg.h>
+#include <asl_core.h>
#include <asl_private.h>
#include <asl_store.h>
-#include <asl_memory.h>
-#include <asl_mini_memory.h>
+#include "asl_memory.h"
+#include "asl_common.h"
#include <notify.h>
+#include <notify_keys.h>
#include <launch.h>
+#include <dispatch/dispatch.h>
#include <libkern/OSAtomic.h>
+#include <TargetConditionals.h>
+
#define ADDFD_FLAGS_LOCAL 0x00000001
-#define ASL_DB_NOTIFICATION "com.apple.system.logger.message"
#define SELF_DB_NOTIFICATION "self.logger.message"
-#define ASL_KEY_READ_UID "ReadUID"
-#define ASL_KEY_READ_GID "ReadGID"
-#define ASL_KEY_EXPIRE_TIME "ASLExpireTime"
-#define ASL_KEY_TIME_NSEC "TimeNanoSec"
-#define ASL_KEY_REF_PID "RefPID"
-#define ASL_KEY_REF_PROC "RefProc"
-#define ASL_KEY_SESSION "Session"
-#define ASL_KEY_OPTION "ASLOption"
-
#define ASL_OPT_IGNORE "ignore"
#define ASL_OPT_STORE "store"
-
+#define ASL_OPT_CONTROL "control"
+#define ASL_OPT_DB_FILE "asl_db_file"
+#define ASL_OPT_DB_MEMORY "asl_db_memory"
+
+#if TARGET_IPHONE_SIMULATOR
+/* These paths are appropriately prefixed in the simulator */
+extern const char *_path_pidfile;
+extern const char *_path_syslogd_log;
+
+#define _PATH_PIDFILE _path_pidfile
+#define _PATH_SYSLOGD_LOG _path_syslogd_log
+#else
#define _PATH_PIDFILE "/var/run/syslog.pid"
-#define _PATH_ASL_IN "/var/run/asl_input"
#define _PATH_SYSLOG_CONF "/etc/syslog.conf"
#define _PATH_SYSLOG_IN "/var/run/syslog"
#define _PATH_KLOG "/dev/klog"
-#define _PATH_MODULE_LIB "/usr/lib/asl"
+#define _PATH_SYSLOGD_LOG "/var/log/syslogd.log"
+#endif
+
+#define NOTIFY_PATH_SERVICE "com.apple.system.notify.service.path:0x87:"
#define DB_TYPE_FILE 0x00000001
#define DB_TYPE_MEMORY 0x00000002
-#define DB_TYPE_MINI 0x00000004
#define KERN_DISASTER_LEVEL 3
#define SOURCE_UNKNOWN 0
#define SOURCE_INTERNAL 1
-#define SOURCE_ASL_SOCKET 2
-#define SOURCE_BSD_SOCKET 3
-#define SOURCE_UDP_SOCKET 4
-#define SOURCE_KERN 5
-#define SOURCE_ASL_MESSAGE 6
-#define SOURCE_LAUNCHD 7
+#define SOURCE_BSD_SOCKET 2
+#define SOURCE_UDP_SOCKET 3
+#define SOURCE_KERN 4
+#define SOURCE_ASL_MESSAGE 5
+#define SOURCE_LAUNCHD 6
#define SOURCE_SESSION 100 /* does not generate messages */
#define STORE_FLAGS_FILE_CACHE_SWEEP_REQUESTED 0x00000001
-#define RESET_NONE 0
-#define RESET_CONFIG 1
-#define RESET_NETWORK 2
+#define FS_TTL_SEC 31622400
+
+#define SEC_PER_DAY 86400
+
+typedef struct sender_stats_s
+{
+ char *sender;
+ uint64_t count;
+ uint64_t size;
+ struct sender_stats_s *next;
+} sender_stats_t;
+
+typedef struct
+{
+ uint32_t mcount;
+ uint32_t shim_count;
+ uint32_t bucket_count;
+ sender_stats_t **bucket;
+} stats_table_t;
+
+typedef struct
+{
+ const char *name;
+ int enabled;
+ int (*init)(void);
+ int (*reset)(void);
+ int (*close)(void);
+} module_t;
struct global_s
{
int disaster_occurred;
mach_port_t listen_set;
mach_port_t server_port;
- mach_port_t self_port;
mach_port_t dead_session_port;
launch_data_t launch_dict;
- uint32_t store_flags;
- time_t start_time;
- int kfd;
+ int *lockdown_session_fds;
+ int lockdown_session_count;
+ int watchers_active;
int reset;
- uint64_t bsd_flush_time;
+ pid_t pid;
+ int32_t work_queue_count;
+ /* memory_size must be aligned for OSAtomicAdd64 */
+ __attribute__((aligned(8))) int64_t memory_size;
+ int32_t asl_queue_count;
+ int32_t bsd_queue_count;
pthread_mutex_t *db_lock;
- pthread_mutex_t *work_queue_lock;
pthread_cond_t work_queue_cond;
- asl_search_result_t *work_queue;
+ dispatch_queue_t work_queue;
+ dispatch_source_t mark_timer;
+ dispatch_source_t sig_hup_src;
asl_store_t *file_db;
asl_memory_t *memory_db;
- asl_mini_memory_t *mini_db;
- asl_mini_memory_t *disaster_db;
+ asl_memory_t *disaster_db;
+ int module_count;
+ int bsd_out_enabled;
+ int launchd_enabled;
+ module_t **module;
+ asl_out_module_t *asl_out_module;
+ time_t stats_last;
+ stats_table_t *stats;
/* parameters below are configurable as command-line args or in /etc/asl.conf */
- int asl_log_filter;
int debug;
char *debug_file;
+ char *hostname;
int dbtype;
uint32_t db_file_max;
uint32_t db_memory_max;
- uint32_t db_mini_max;
+ uint32_t db_memory_str_max;
uint32_t mps_limit;
+ uint32_t remote_delay_time;
uint64_t bsd_max_dup_time;
- uint64_t asl_store_ping_time;
uint64_t mark_time;
time_t utmp_ttl;
- time_t fs_ttl;
+ time_t stats_interval;
+ int64_t memory_max;
};
extern struct global_s global;
-typedef asl_msg_t *(*aslreadfn)(int);
-typedef char *(*aslwritefn)(const char *, int);
-typedef char *(*aslexceptfn)(int);
-typedef int (*aslsendmsgfn)(asl_msg_t *msg, const char *outid);
-
-struct aslevent
-{
- int source;
- int fd;
- unsigned char read:1;
- unsigned char write:1;
- unsigned char except:1;
- aslreadfn readfn;
- aslwritefn writefn;
- aslexceptfn exceptfn;
- char *sender;
- uid_t uid;
- gid_t gid;
- TAILQ_ENTRY(aslevent) entries;
-};
-
-struct module_list
-{
- char *name;
- void *module;
- int (*init)(void);
- int (*reset)(void);
- int (*close)(void);
- TAILQ_ENTRY(module_list) entries;
-};
+void init_globals(void);
void config_debug(int enable, const char *path);
-void config_data_store(int type, uint32_t file_max, uint32_t memory_max, uint32_t mini_max);
-void config_timers(uint64_t bsd_max_dup, uint64_t asl_store_ping, uint64_t utmp, uint64_t fs);
-
-char **explode(const char *s, const char *delim);
-void freeList(char **l);
+void config_data_store(int type, uint32_t file_max, uint32_t memory_max, uint32_t str_memory_max);
-int aslevent_init(void);
-int aslevent_fdsets(fd_set *, fd_set *, fd_set *);
-void aslevent_handleevent(fd_set *, fd_set *, fd_set *);
void asl_mark(void);
void asl_archive(void);
void asl_client_count_increment();
void asl_client_count_decrement();
-char *get_line_from_file(FILE *f);
-
int asldebug(const char *, ...);
-int asl_log_string(const char *str);
-
-char *asl_msg_to_string(asl_msg_t *msg, uint32_t *len);
-asl_msg_t *asl_msg_from_string(const char *buf);
-int asl_msg_cmp(asl_msg_t *a, asl_msg_t *b);
-time_t asl_parse_time(const char *str);
+int internal_log_message(const char *str);
-int aslevent_addfd(int source, int fd, uint32_t flags, aslreadfn readfn, aslwritefn writefn, aslexceptfn exceptfn);
-int aslevent_removefd(int fd);
-int aslevent_addmatch(asl_msg_t *query, char *outid);
+void send_to_direct_watchers(asl_msg_t *msg);
-int asl_check_option(asl_msg_t *msg, const char *opt);
-
-int aslevent_addoutput(aslsendmsgfn, const char *outid);
-
-void asl_enqueue_message(uint32_t source, struct aslevent *e, asl_msg_t *msg);
-asl_msg_t **asl_work_dequeue(uint32_t *count);
-void asl_message_match_and_log(asl_msg_t *msg);
+#if !TARGET_IPHONE_SIMULATOR
+void launchd_callback();
+#endif
int asl_syslog_faciliy_name_to_num(const char *fac);
const char *asl_syslog_faciliy_num_to_name(int num);
-asl_msg_t *asl_input_parse(const char *in, int len, char *rhost, int flag);
-
-void db_ping_store(void);
-
-/* message refcount utilities */
-uint32_t asl_msg_type(asl_msg_t *m);
-asl_msg_t *asl_msg_retain(asl_msg_t *m);
-void asl_msg_release(asl_msg_t *m);
+asl_msg_t *asl_input_parse(const char *in, int len, char *rhost, uint32_t source);
+
+void process_message(asl_msg_t *msg, uint32_t source);
+void asl_out_message(asl_msg_t *msg, int64_t msize);
+void bsd_out_message(asl_msg_t *msg, int64_t msize);
+int control_set_param(const char *s, bool eval);
+int asl_action_control_set_param(const char *s);
+void asl_action_out_module_query(asl_msg_t *q, asl_msg_t *m, bool all);
/* notify SPI */
uint32_t notify_register_plain(const char *name, int *out_token);