diff options
Diffstat (limited to 'udev/udevd.c')
| -rw-r--r-- | udev/udevd.c | 314 |
1 files changed, 165 insertions, 149 deletions
diff --git a/udev/udevd.c b/udev/udevd.c index 68cf264369..c9ee21a29c 100644 --- a/udev/udevd.c +++ b/udev/udevd.c @@ -50,9 +50,40 @@ #include "udevd.h" #include "udev_selinux.h" -static int debug_trace; static int debug; +static void log_fn(struct udev *udev, int priority, + const char *file, int line, const char *fn, + const char *format, va_list args) +{ + if (debug) { + fprintf(stderr, "[%d] %s: ", (int) getpid(), fn); + vfprintf(stderr, format, args); + } else { + vsyslog(priority, format, args); + } +} + +struct udevd_uevent_msg { + struct udev *udev; + struct list_head node; + pid_t pid; + int exitstatus; + time_t queue_time; + char *action; + char *devpath; + char *subsystem; + char *driver; + dev_t devt; + unsigned long long seqnum; + char *devpath_old; + char *physdevpath; + unsigned int timeout; + char *envp[UEVENT_NUM_ENVP+1]; + char envbuf[]; +}; + +static int debug_trace; static struct udev_rules rules; static int udevd_sock = -1; static int uevent_netlink_sock = -1; @@ -67,31 +98,11 @@ static int run_exec_q; static int stop_exec_q; static int max_childs; static int max_childs_running; -static char udev_log[32]; +static char udev_log_env[32]; static LIST_HEAD(exec_list); static LIST_HEAD(running_list); - -#ifdef USE_LOG -void log_message(int priority, const char *format, ...) -{ - va_list args; - - if (priority > udev_log_priority) - return; - - va_start(args, format); - if (debug) { - printf("[%d] ", (int) getpid()); - vprintf(format, args); - } else - vsyslog(priority, format, args); - va_end(args); -} - -#endif - static void asmlinkage udev_event_sig_handler(int signum) { if (signum == SIGALRM) @@ -101,7 +112,7 @@ static void asmlinkage udev_event_sig_handler(int signum) static int udev_event_process(struct udevd_uevent_msg *msg) { struct sigaction act; - struct udevice *udev; + struct udevice *udevice; int i; int retval; @@ -126,25 +137,25 @@ static int udev_event_process(struct udevd_uevent_msg *msg) for (i = 0; msg->envp[i]; i++) putenv(msg->envp[i]); - udev = udev_device_init(); - if (udev == NULL) + udevice = udev_device_init(msg->udev); + if (udevice == NULL) return -1; - strlcpy(udev->action, msg->action, sizeof(udev->action)); - sysfs_device_set_values(udev->dev, msg->devpath, msg->subsystem, msg->driver); - udev->devpath_old = msg->devpath_old; - udev->devt = msg->devt; + strlcpy(udevice->action, msg->action, sizeof(udevice->action)); + sysfs_device_set_values(udevice->udev, udevice->dev, msg->devpath, msg->subsystem, msg->driver); + udevice->devpath_old = msg->devpath_old; + udevice->devt = msg->devt; - retval = udev_device_event(&rules, udev); + retval = udev_device_event(&rules, udevice); /* rules may change/disable the timeout */ - if (udev->event_timeout >= 0) - alarm(udev->event_timeout); + if (udevice->event_timeout >= 0) + alarm(udevice->event_timeout); /* run programs collected by RUN-key*/ - if (retval == 0 && !udev->ignore_device && udev_run) - retval = udev_rules_run(udev); + if (retval == 0 && !udevice->ignore_device && udev_get_run(msg->udev)) + retval = udev_rules_run(udevice); - udev_device_cleanup(udev); + udev_device_cleanup(udevice); return retval; } @@ -161,10 +172,10 @@ static void export_event_state(struct udevd_uevent_msg *msg, enum event_state st size_t start; /* location of queue file */ - snprintf(filename, sizeof(filename), "%s/.udev/queue/%llu", udev_root, msg->seqnum); + snprintf(filename, sizeof(filename), "%s/.udev/queue/%llu", udev_get_dev_path(msg->udev), msg->seqnum); /* location of failed file */ - strlcpy(filename_failed, udev_root, sizeof(filename_failed)); + strlcpy(filename_failed, udev_get_dev_path(msg->udev), sizeof(filename_failed)); strlcat(filename_failed, "/", sizeof(filename_failed)); start = strlcat(filename_failed, ".udev/failed/", sizeof(filename_failed)); strlcat(filename_failed, msg->devpath, sizeof(filename_failed)); @@ -173,42 +184,41 @@ static void export_event_state(struct udevd_uevent_msg *msg, enum event_state st switch (state) { case EVENT_QUEUED: unlink(filename_failed); - delete_path(filename_failed); - - create_path(filename); - selinux_setfscreatecon(filename, NULL, S_IFLNK); + delete_path(msg->udev, filename_failed); + create_path(msg->udev, filename); + selinux_setfscreatecon(msg->udev, filename, NULL, S_IFLNK); symlink(msg->devpath, filename); - selinux_resetfscreatecon(); + selinux_resetfscreatecon(msg->udev); break; case EVENT_FINISHED: if (msg->devpath_old != NULL) { /* "move" event - rename failed file to current name, do not delete failed */ char filename_failed_old[PATH_SIZE]; - strlcpy(filename_failed_old, udev_root, sizeof(filename_failed_old)); + strlcpy(filename_failed_old, udev_get_dev_path(msg->udev), sizeof(filename_failed_old)); strlcat(filename_failed_old, "/", sizeof(filename_failed_old)); start = strlcat(filename_failed_old, ".udev/failed/", sizeof(filename_failed_old)); strlcat(filename_failed_old, msg->devpath_old, sizeof(filename_failed_old)); path_encode(&filename_failed_old[start], sizeof(filename) - start); if (rename(filename_failed_old, filename_failed) == 0) - info("renamed devpath, moved failed state of '%s' to %s'\n", + info(msg->udev, "renamed devpath, moved failed state of '%s' to %s'\n", msg->devpath_old, msg->devpath); } else { unlink(filename_failed); - delete_path(filename_failed); + delete_path(msg->udev, filename_failed); } unlink(filename); - delete_path(filename); + delete_path(msg->udev, filename); break; case EVENT_FAILED: /* move failed event to the failed directory */ - create_path(filename_failed); + create_path(msg->udev, filename_failed); rename(filename, filename_failed); /* clean up possibly empty queue directory */ - delete_path(filename); + delete_path(msg->udev, filename); break; } @@ -244,24 +254,23 @@ static void udev_event_run(struct udevd_uevent_msg *msg) close(signal_pipe[READ_END]); close(signal_pipe[WRITE_END]); logging_close(); - logging_init("udevd-event"); setpriority(PRIO_PROCESS, 0, UDEV_PRIORITY); retval = udev_event_process(msg); - info("seq %llu finished with %i\n", msg->seqnum, retval); + info(msg->udev, "seq %llu finished with %i\n", msg->seqnum, retval); logging_close(); if (retval) exit(1); exit(0); case -1: - err("fork of child failed: %s\n", strerror(errno)); + err(msg->udev, "fork of child failed: %s\n", strerror(errno)); msg_queue_delete(msg); break; default: /* get SIGCHLD in main loop */ - info("seq %llu forked, pid [%d], '%s' '%s', %ld seconds old\n", + info(msg->udev, "seq %llu forked, pid [%d], '%s' '%s', %ld seconds old\n", msg->seqnum, pid, msg->action, msg->subsystem, time(NULL) - msg->queue_time); msg->pid = pid; } @@ -275,9 +284,9 @@ static void msg_queue_insert(struct udevd_uevent_msg *msg) msg->queue_time = time(NULL); export_event_state(msg, EVENT_QUEUED); - info("seq %llu queued, '%s' '%s'\n", msg->seqnum, msg->action, msg->subsystem); + info(msg->udev, "seq %llu queued, '%s' '%s'\n", msg->seqnum, msg->action, msg->subsystem); - strlcpy(filename, udev_root, sizeof(filename)); + strlcpy(filename, udev_get_dev_path(msg->udev), sizeof(filename)); strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename)); fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644); if (fd >= 0) { @@ -484,7 +493,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check identical, parent, or child device event */ if (compare_devpath(loop_msg->devpath, msg->devpath) != 0) { - dbg("%llu, device event still pending %llu (%s)\n", + dbg(msg->udev, "%llu, device event still pending %llu (%s)\n", msg->seqnum, loop_msg->seqnum, loop_msg->devpath); return 3; } @@ -492,7 +501,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check for our major:minor number */ if (msg->devt && loop_msg->devt == msg->devt && strcmp(msg->subsystem, loop_msg->subsystem) == 0) { - dbg("%llu, device event still pending %llu (%d:%d)\n", msg->seqnum, + dbg(msg->udev, "%llu, device event still pending %llu (%d:%d)\n", msg->seqnum, loop_msg->seqnum, major(loop_msg->devt), minor(loop_msg->devt)); return 4; } @@ -500,7 +509,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check physical device event (special case of parent) */ if (msg->physdevpath && msg->action && strcmp(msg->action, "add") == 0) if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) { - dbg("%llu, physical device event still pending %llu (%s)\n", + dbg(msg->udev, "%llu, physical device event still pending %llu (%s)\n", msg->seqnum, loop_msg->seqnum, loop_msg->devpath); return 5; } @@ -509,7 +518,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check run queue for still running events */ list_for_each_entry(loop_msg, &running_list, node) { if (limit && childs_count++ > limit) { - dbg("%llu, maximum number (%i) of childs reached\n", msg->seqnum, childs_count); + dbg(msg->udev, "%llu, maximum number (%i) of childs reached\n", msg->seqnum, childs_count); return 1; } @@ -520,7 +529,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check identical, parent, or child device event */ if (compare_devpath(loop_msg->devpath, msg->devpath) != 0) { - dbg("%llu, device event still running %llu (%s)\n", + dbg(msg->udev, "%llu, device event still running %llu (%s)\n", msg->seqnum, loop_msg->seqnum, loop_msg->devpath); return 3; } @@ -528,7 +537,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check for our major:minor number */ if (msg->devt && loop_msg->devt == msg->devt && strcmp(msg->subsystem, loop_msg->subsystem) == 0) { - dbg("%llu, device event still running %llu (%d:%d)\n", msg->seqnum, + dbg(msg->udev, "%llu, device event still running %llu (%d:%d)\n", msg->seqnum, loop_msg->seqnum, major(loop_msg->devt), minor(loop_msg->devt)); return 4; } @@ -536,7 +545,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) /* check physical device event (special case of parent) */ if (msg->physdevpath && msg->action && strcmp(msg->action, "add") == 0) if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) { - dbg("%llu, physical device event still running %llu (%s)\n", + dbg(msg->udev, "%llu, physical device event still running %llu (%s)\n", msg->seqnum, loop_msg->seqnum, loop_msg->devpath); return 5; } @@ -545,7 +554,7 @@ static int devpath_busy(struct udevd_uevent_msg *msg, int limit) } /* serializes events for the identical and parent and child devices */ -static void msg_queue_manager(void) +static void msg_queue_manager(struct udev *udev) { struct udevd_uevent_msg *loop_msg; struct udevd_uevent_msg *tmp_msg; @@ -555,7 +564,7 @@ static void msg_queue_manager(void) return; running = running_processes(); - dbg("%d processes runnning on system\n", running); + dbg(udev, "%d processes runnning on system\n", running); if (running < 0) running = max_childs_running; @@ -563,16 +572,16 @@ static void msg_queue_manager(void) /* check running processes in our session and possibly throttle */ if (running >= max_childs_running) { running = running_processes_in_session(sid, max_childs_running+10); - dbg("at least %d processes running in session\n", running); + dbg(udev, "at least %d processes running in session\n", running); if (running >= max_childs_running) { - dbg("delay seq %llu, too many processes already running\n", loop_msg->seqnum); + dbg(udev, "delay seq %llu, too many processes already running\n", loop_msg->seqnum); return; } } /* serialize and wait for parent or child events */ if (devpath_busy(loop_msg, max_childs) != 0) { - dbg("delay seq %llu (%s)\n", loop_msg->seqnum, loop_msg->devpath); + dbg(udev, "delay seq %llu (%s)\n", loop_msg->seqnum, loop_msg->devpath); continue; } @@ -580,11 +589,11 @@ static void msg_queue_manager(void) list_move_tail(&loop_msg->node, &running_list); udev_event_run(loop_msg); running++; - dbg("moved seq %llu to running list\n", loop_msg->seqnum); + dbg(udev, "moved seq %llu to running list\n", loop_msg->seqnum); } } -static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_size) +static struct udevd_uevent_msg *get_msg_from_envbuf(struct udev *udev, const char *buf, int buf_size) { int bufpos; int i; @@ -597,6 +606,7 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz if (msg == NULL) return NULL; memset(msg, 0x00, sizeof(struct udevd_uevent_msg) + buf_size); + msg->udev = udev; /* copy environment buffer and reconstruct envp */ memcpy(msg->envbuf, buf, buf_size); @@ -609,7 +619,7 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz keylen = strlen(key); msg->envp[i] = key; bufpos += keylen + 1; - dbg("add '%s' to msg.envp[%i]\n", msg->envp[i], i); + dbg(udev, "add '%s' to msg.envp[%i]\n", msg->envp[i], i); /* remember some keys for further processing */ if (strncmp(key, "ACTION=", 7) == 0) @@ -647,7 +657,7 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz msg->envp[i] = NULL; if (msg->devpath == NULL || msg->action == NULL) { - info("DEVPATH or ACTION missing, ignore message\n"); + info(udev, "DEVPATH or ACTION missing, ignore message\n"); free(msg); return NULL; } @@ -655,7 +665,7 @@ static struct udevd_uevent_msg *get_msg_from_envbuf(const char *buf, int buf_siz } /* receive the udevd message from userspace */ -static void get_ctrl_msg(void) +static void get_ctrl_msg(struct udev *udev) { struct udevd_ctrl_msg ctrl_msg; ssize_t size; @@ -679,24 +689,24 @@ static void get_ctrl_msg(void) size = recvmsg(udevd_sock, &smsg, 0); if (size < 0) { if (errno != EINTR) - err("unable to receive user udevd message: %s\n", strerror(errno)); + err(udev, "unable to receive user udevd message: %s\n", strerror(errno)); return; } cmsg = CMSG_FIRSTHDR(&smsg); cred = (struct ucred *) CMSG_DATA(cmsg); if (cmsg == NULL || cmsg->cmsg_type != SCM_CREDENTIALS) { - err("no sender credentials received, message ignored\n"); + err(udev, "no sender credentials received, message ignored\n"); return; } if (cred->uid != 0) { - err("sender uid=%i, message ignored\n", cred->uid); + err(udev, "sender uid=%i, message ignored\n", cred->uid); return; } if (strncmp(ctrl_msg.magic, UDEVD_CTRL_MAGIC, sizeof(UDEVD_CTRL_MAGIC)) != 0 ) { - err("message magic '%s' doesn't match, ignore it\n", ctrl_msg.magic); + err(udev, "message magic '%s' doesn't match, ignore it\n", ctrl_msg.magic); return; } @@ -704,52 +714,52 @@ static void get_ctrl_msg(void) case UDEVD_CTRL_ENV: pos = strchr(ctrl_msg.buf, '='); if (pos == NULL) { - err("wrong key format '%s'\n", ctrl_msg.buf); + err(udev, "wrong key format '%s'\n", ctrl_msg.buf); break; } pos[0] = '\0'; if (pos[1] == '\0') { - info("udevd message (ENV) received, unset '%s'\n", ctrl_msg.buf); + info(udev, "udevd message (ENV) received, unset '%s'\n", ctrl_msg.buf); unsetenv(ctrl_msg.buf); } else { - info("udevd message (ENV) received, set '%s=%s'\n", ctrl_msg.buf, &pos[1]); + info(udev, "udevd message (ENV) received, set '%s=%s'\n", ctrl_msg.buf, &pos[1]); setenv(ctrl_msg.buf, &pos[1], 1); } break; case UDEVD_CTRL_STOP_EXEC_QUEUE: - info("udevd message (STOP_EXEC_QUEUE) received\n"); + info(udev, "udevd message (STOP_EXEC_QUEUE) received\n"); stop_exec_q = 1; break; case UDEVD_CTRL_START_EXEC_QUEUE: - info("udevd message (START_EXEC_QUEUE) received\n"); + info(udev, "udevd message (START_EXEC_QUEUE) received\n"); stop_exec_q = 0; - msg_queue_manager(); + msg_queue_manager(udev); break; case UDEVD_CTRL_SET_LOG_LEVEL: - info("udevd message (SET_LOG_PRIORITY) received, udev_log_priority=%i\n", ctrl_msg.intval); - udev_log_priority = ctrl_msg.intval; - sprintf(udev_log, "UDEV_LOG=%i", udev_log_priority); - putenv(udev_log); + info(udev, "udevd message (SET_LOG_PRIORITY) received, log_priority=%i\n", ctrl_msg.intval); + udev_set_log_priority(udev, ctrl_msg.intval); + sprintf(udev_log_env, "UDEV_LOG=%i", udev_get_log_priority(udev)); + putenv(udev_log_env); break; case UDEVD_CTRL_SET_MAX_CHILDS: - info("udevd message (UDEVD_SET_MAX_CHILDS) received, max_childs=%i\n", ctrl_msg.intval); + info(udev, "udevd message (UDEVD_SET_MAX_CHILDS) received, max_childs=%i\n", ctrl_msg.intval); max_childs = ctrl_msg.intval; break; case UDEVD_CTRL_SET_MAX_CHILDS_RUNNING: - info("udevd message (UDEVD_SET_MAX_CHILDS_RUNNING) received, max_childs_running=%i\n", ctrl_msg.intval); + info(udev, "udevd message (UDEVD_SET_MAX_CHILDS_RUNNING) received, max_childs_running=%i\n", ctrl_msg.intval); max_childs_running = ctrl_msg.intval; break; case UDEVD_CTRL_RELOAD_RULES: - info("udevd message (RELOAD_RULES) received\n"); + info(udev, "udevd message (RELOAD_RULES) received\n"); reload_config = 1; break; default: - err("unknown control message type\n"); + err(udev, "unknown control message type\n"); } } /* receive the kernel user event message and do some sanity checks */ -static struct udevd_uevent_msg *get_netlink_msg(void) +static struct udevd_uevent_msg *get_netlink_msg(struct udev *udev) { struct udevd_uevent_msg *msg; int bufpos; @@ -760,38 +770,38 @@ static struct udevd_uevent_msg *get_netlink_msg(void) size = recv(uevent_netlink_sock, &buffer, sizeof(buffer), 0); if (size < 0) { if (errno != EINTR) - err("unable to receive kernel netlink message: %s\n", strerror(errno)); + err(udev, "unable to receive kernel netlink message: %s\n", strerror(errno)); return NULL; } if ((size_t)size > sizeof(buffer)-1) size = sizeof(buffer)-1; buffer[size] = '\0'; - dbg("uevent_size=%zi\n", size); + dbg(udev, "uevent_size=%zi\n", size); /* start of event payload */ bufpos = strlen(buffer)+1; - msg = get_msg_from_envbuf(&buffer[bufpos], size-bufpos); + msg = get_msg_from_envbuf(udev, &buffer[bufpos], size-bufpos); if (msg == NULL) return NULL; /* validate message */ pos = strchr(buffer, '@'); if (pos == NULL) { - err("invalid uevent '%s'\n", buffer); + err(udev, "invalid uevent '%s'\n", buffer); free(msg); return NULL; } pos[0] = '\0'; if (msg->action == NULL) { - info("no ACTION in payload found, skip event '%s'\n", buffer); + info(udev, "no ACTION in payload found, skip event '%s'\n", buffer); free(msg); return NULL; } if (strcmp(msg->action, buffer) != 0) { - err("ACTION in payload does not match uevent, skip event '%s'\n", buffer); + err(udev, "ACTION in payload does not match uevent, skip event '%s'\n", buffer); free(msg); return NULL; } @@ -826,7 +836,7 @@ static void udev_done(int pid, int exitstatus) list_for_each_entry(msg, &running_list, node) { if (msg->pid == pid) { - info("seq %llu, pid [%d] exit with %i, %ld seconds old\n", msg->seqnum, msg->pid, + info(msg->udev, "seq %llu, pid [%d] exit with %i, %ld seconds old\n", msg->seqnum, msg->pid, exitstatus, time(NULL) - msg->queue_time); msg->exitstatus = exitstatus; msg_queue_delete(msg); @@ -857,7 +867,7 @@ static void reap_sigchilds(void) } } -static int init_udevd_socket(void) +static int init_udevd_socket(struct udev *udev) { struct sockaddr_un saddr; socklen_t addrlen; @@ -874,14 +884,14 @@ static int init_udevd_socket(void) udevd_sock = socket(AF_LOCAL, SOCK_DGRAM, 0); if (udevd_sock == -1) { - err("error getting socket: %s\n", strerror(errno)); + err(udev, "error getting socket: %s\n", strerror(errno)); return -1; } /* the bind takes care of ensuring only one copy running */ retval = bind(udevd_sock, (struct sockaddr *) &saddr, addrlen); if (retval < 0) { - err("bind failed: %s\n", strerror(errno)); + err(udev, "bind failed: %s\n", strerror(errno)); close(udevd_sock); udevd_sock = -1; return -1; @@ -893,7 +903,7 @@ static int init_udevd_socket(void) return 0; } -static int init_uevent_netlink_sock(void) +static int init_uevent_netlink_sock(struct udev *udev) { struct sockaddr_nl snl; const int buffersize = 16 * 1024 * 1024; @@ -906,7 +916,7 @@ static int init_uevent_netlink_sock(void) uevent_netlink_sock = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_KOBJECT_UEVENT); if (uevent_netlink_sock == -1) { - err("error getting socket: %s\n", strerror(errno)); + err(udev, "error getting socket: %s\n", strerror(errno)); return -1; } @@ -915,7 +925,7 @@ static int init_uevent_netlink_sock(void) retval = bind(uevent_netlink_sock, (struct sockaddr *) &snl, sizeof(struct sockaddr_nl)); if (retval < 0) { - err("bind failed: %s\n", strerror(errno)); + err(udev, "bind failed: %s\n", strerror(errno)); close(uevent_netlink_sock); uevent_netlink_sock = -1; return -1; @@ -923,14 +933,14 @@ static int init_uevent_netlink_sock(void) return 0; } -static void export_initial_seqnum(void) +static void export_initial_seqnum(struct udev *udev) { char filename[PATH_SIZE]; int fd; char seqnum[32]; ssize_t len = 0; - strlcpy(filename, sysfs_path, sizeof(filename)); + strlcpy(filename, udev_get_sys_path(udev), sizeof(filename)); strlcat(filename, "/kernel/uevent_seqnum", sizeof(filename)); fd = open(filename, O_RDONLY); if (fd >= 0) { @@ -941,9 +951,9 @@ static void export_initial_seqnum(void) strcpy(seqnum, "0\n"); len = 3; } - strlcpy(filename, udev_root, sizeof(filename)); + strlcpy(filename, udev_get_dev_path(udev), sizeof(filename)); strlcat(filename, "/.udev/uevent_seqnum", sizeof(filename)); - create_path(filename); + create_path(udev, filename); fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644); if (fd >= 0) { write(fd, seqnum, len); @@ -953,13 +963,13 @@ static void export_initial_seqnum(void) int main(int argc, char *argv[]) { + struct udev *udev; int retval; int fd; struct sigaction act; fd_set readfds; const char *value; int daemonize = 0; - int option; static const struct option options[] = { { "daemon", 0, NULL, 'd' }, { "debug-trace", 0, NULL, 't' }, @@ -971,12 +981,19 @@ int main(int argc, char *argv[]) int rc = 1; int maxfd; + udev = udev_new(); + if (udev == NULL) + goto exit; + logging_init("udevd"); - udev_config_init(); - selinux_init(); - dbg("version %s\n", VERSION); + udev_set_log_fn(udev, log_fn); + + selinux_init(udev); + dbg(udev, "version %s\n", VERSION); while (1) { + int option; + option = getopt_long(argc, argv, "dDthV", options, NULL); if (option == -1) break; @@ -990,8 +1007,8 @@ int main(int argc, char *argv[]) break; case 'D': debug = 1; - if (udev_log_priority < LOG_INFO) - udev_log_priority = LOG_INFO; + if (udev_get_log_priority(udev) < LOG_INFO) + udev_set_log_priority(udev, LOG_INFO); break; case 'h': printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--debug] [--version]\n"); @@ -1006,7 +1023,7 @@ int main(int argc, char *argv[]) if (getuid() != 0) { fprintf(stderr, "root privileges required\n"); - err("root privileges required\n"); + err(udev, "root privileges required\n"); goto exit; } @@ -1014,7 +1031,7 @@ int main(int argc, char *argv[]) fd = open("/dev/null", O_RDWR); if (fd < 0) { fprintf(stderr, "cannot open /dev/null\n"); - err("cannot open /dev/null\n"); + err(udev, "cannot open /dev/null\n"); } if (fd > STDIN_FILENO) dup2(fd, STDIN_FILENO); @@ -1024,22 +1041,22 @@ int main(int argc, char *argv[]) dup2(fd, STDERR_FILENO); /* init sockets to receive events */ - if (init_udevd_socket() < 0) { + if (init_udevd_socket(udev) < 0) { if (errno == EADDRINUSE) { fprintf(stderr, "another udev daemon already running\n"); - err("another udev daemon already running\n"); + err(udev, "another udev daemon already running\n"); rc = 1; } else { fprintf(stderr, "error initializing udevd socket\n"); - err("error initializing udevd socket\n"); + err(udev, "error initializing udevd socket\n"); rc = 2; } goto exit; } - if (init_uevent_netlink_sock() < 0) { + if (init_uevent_netlink_sock(udev) < 0) { fprintf(stderr, "error initializing netlink socket\n"); - err("error initializing netlink socket\n"); + err(udev, "error initializing netlink socket\n"); rc = 3; goto exit; } @@ -1047,37 +1064,37 @@ int main(int argc, char *argv[]) /* setup signal handler pipe */ retval = pipe(signal_pipe); if (retval < 0) { - err("error getting pipes: %s\n", strerror(errno)); + err(udev, "error getting pipes: %s\n", strerror(errno)); goto exit; } retval = fcntl(signal_pipe[READ_END], F_GETFL, 0); if (retval < 0) { - err("error fcntl on read pipe: %s\n", strerror(errno)); + err(udev, "error fcntl on read pipe: %s\n", strerror(errno)); goto exit; } retval = fcntl(signal_pipe[READ_END], F_SETFL, retval | O_NONBLOCK); if (retval < 0) { - err("error fcntl on read pipe: %s\n", strerror(errno)); + err(udev, "error fcntl on read pipe: %s\n", strerror(errno)); goto exit; } retval = fcntl(signal_pipe[WRITE_END], F_GETFL, 0); if (retval < 0) { - err("error fcntl on write pipe: %s\n", strerror(errno)); + err(udev, "error fcntl on write pipe: %s\n", strerror(errno)); goto exit; } retval = fcntl(signal_pipe[WRITE_END], F_SETFL, retval | O_NONBLOCK); if (retval < 0) { - err("error fcntl on write pipe: %s\n", strerror(errno)); + err(udev, "error fcntl on write pipe: %s\n", strerror(errno)); goto exit; } /* parse the rules and keep them in memory */ sysfs_init(); - udev_rules_init(&rules, 1); + udev_rules_init(udev, &rules, 1); - export_initial_seqnum(); + export_initial_seqnum(udev); if (daemonize) { pid_t pid; @@ -1085,14 +1102,14 @@ int main(int argc, char *argv[]) pid = fork(); switch (pid) { case 0: - dbg("daemonized fork running\n"); + dbg(udev, "daemonized fork running\n"); break; case -1: - err("fork of daemon failed: %s\n", strerror(errno)); + err(udev, "fork of daemon failed: %s\n", strerror(errno)); rc = 4; goto exit; default: - dbg("child [%u] running, parent exits\n", pid); + dbg(udev, "child [%u] running, parent exits\n", pid); rc = 0; goto exit; } @@ -1113,12 +1130,12 @@ int main(int argc, char *argv[]) /* become session leader */ sid = setsid(); - dbg("our session is %d\n", sid); + dbg(udev, "our session is %d\n", sid); /* OOM_DISABLE == -17 */ fd = open("/proc/self/oom_adj", O_RDWR); if (fd < 0) - err("error disabling OOM: %s\n", strerror(errno)); + err(udev, "error disabling OOM: %s\n", strerror(errno)); else { write(fd, "-17", 3); close(fd); @@ -1145,8 +1162,8 @@ int main(int argc, char *argv[]) /* watch rules directory */ inotify_fd = inotify_init(); if (inotify_fd >= 0) { - if (udev_rules_dir[0] != '\0') { - inotify_add_watch(inotify_fd, udev_rules_dir, + if (udev_get_rules_path(udev) != NULL) { + inotify_add_watch(inotify_fd, udev_get_rules_path(udev), IN_CREATE | IN_DELETE | IN_MOVE | IN_CLOSE_WRITE); } else { char filename[PATH_MAX]; @@ -1157,15 +1174,15 @@ int main(int argc, char *argv[]) IN_CREATE | IN_DELETE | IN_MOVE | IN_CLOSE_WRITE); /* watch dynamic rules directory */ - strlcpy(filename, udev_root, sizeof(filename)); + strlcpy(filename, udev_get_dev_path(udev), sizeof(filename)); strlcat(filename, "/.udev/rules.d", sizeof(filename)); inotify_add_watch(inotify_fd, filename, IN_CREATE | IN_DELETE | IN_MOVE | IN_CLOSE_WRITE); } } else if (errno == ENOSYS) - err("the kernel does not support inotify, udevd can't monitor rules file changes\n"); + err(udev, "the kernel does not support inotify, udevd can't monitor rules file changes\n"); else - err("inotify_init failed: %s\n", strerror(errno)); + err(udev, "inotify_init failed: %s\n", strerror(errno)); /* maximum limit of forked childs */ value = getenv("UDEVD_MAX_CHILDS"); @@ -1178,7 +1195,7 @@ int main(int argc, char *argv[]) else max_childs = UDEVD_MAX_CHILDS; } - info("initialize max_childs to %u\n", max_childs); + info(udev, "initialize max_childs to %u\n", max_childs); /* start to throttle forking if maximum number of _running_ childs is reached */ value = getenv("UDEVD_MAX_CHILDS_RUNNING"); @@ -1191,14 +1208,14 @@ int main(int argc, char *argv[]) else max_childs_running = UDEVD_MAX_CHILDS_RUNNING; } - info("initialize max_childs_running to %u\n", max_childs_running); + info(udev, "initialize max_childs_running to %u\n", max_childs_running); /* clear environment for forked event processes */ clearenv(); /* export log_priority , as called programs may want to follow that setting */ - sprintf(udev_log, "UDEV_LOG=%i", udev_log_priority); - putenv(udev_log); + sprintf(udev_log_env, "UDEV_LOG=%i", udev_get_log_priority(udev)); + putenv(udev_log_env); if (debug_trace) putenv("DEBUG=1"); @@ -1221,17 +1238,17 @@ int main(int argc, char *argv[]) fdcount = select(maxfd+1, &readfds, NULL, NULL, NULL); if (fdcount < 0) { if (errno != EINTR) - err("error in select: %s\n", strerror(errno)); + err(udev, "error in select: %s\n", strerror(errno)); continue; } /* get control message */ if (FD_ISSET(udevd_sock, &readfds)) - get_ctrl_msg(); + get_ctrl_msg(udev); /* get netlink message */ if (FD_ISSET(uevent_netlink_sock, &readfds)) { - msg = get_netlink_msg(); + msg = get_netlink_msg(udev); if (msg) msg_queue_insert(msg); } @@ -1254,7 +1271,7 @@ int main(int argc, char *argv[]) reload_config = 1; buf = malloc(nbytes); if (buf == NULL) { - err("error getting buffer for inotify, disable watching\n"); + err(udev, "error getting buffer for inotify, disable watching\n"); close(inotify_fd); inotify_fd = -1; } @@ -1267,7 +1284,7 @@ int main(int argc, char *argv[]) if (reload_config) { reload_config = 0; udev_rules_cleanup(&rules); - udev_rules_init(&rules, 1); + udev_rules_init(udev, &rules, 1); } /* forked child has returned */ @@ -1279,7 +1296,7 @@ int main(int argc, char *argv[]) if (run_exec_q) { run_exec_q = 0; if (!stop_exec_q) - msg_queue_manager(); + msg_queue_manager(udev); } } rc = 0; @@ -1287,7 +1304,7 @@ int main(int argc, char *argv[]) exit: udev_rules_cleanup(&rules); sysfs_cleanup(); - selinux_exit(); + selinux_exit(udev); if (signal_pipe[READ_END] >= 0) close(signal_pipe[READ_END]); @@ -1302,6 +1319,5 @@ exit: close(uevent_netlink_sock); logging_close(); - return rc; } |