diff options
Diffstat (limited to 'miscutils/devfsd.c')
| -rw-r--r-- | miscutils/devfsd.c | 491 |
1 files changed, 174 insertions, 317 deletions
diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c index fb9c643..cc1c5e1 100644 --- a/miscutils/devfsd.c +++ b/miscutils/devfsd.c @@ -133,8 +133,7 @@ struct devfsd_notify_struct #define UID 0 #define GID 1 -/* for msg_logger(), do_ioctl(), - fork_and_execute() */ +/* fork_and_execute() */ # define DIE 1 # define NO_DIE 0 @@ -164,7 +163,6 @@ struct devfsd_notify_struct #define AC_RMNEWCOMPAT 10 #define AC_RESTORE 11 - struct permissions_type { mode_t mode; @@ -222,9 +220,7 @@ static void service_name (const struct devfsd_notify_struct *); static void action_permissions (const struct devfsd_notify_struct *, const struct config_entry_struct *); static void action_execute (const struct devfsd_notify_struct *, const struct config_entry_struct *, const regmatch_t *, unsigned); -#ifdef CONFIG_DEVFSD_MODLOAD static void action_modload (const struct devfsd_notify_struct *info, const struct config_entry_struct *entry); -#endif static void action_copy (const struct devfsd_notify_struct *, const struct config_entry_struct *, const regmatch_t *, unsigned); static void action_compat (const struct devfsd_notify_struct *, unsigned); @@ -245,10 +241,9 @@ static char get_old_ide_name (unsigned , unsigned); static char *write_old_sd_name (char *, unsigned, unsigned, char *); /* busybox functions */ -#if defined(CONFIG_DEVFSD_VERBOSE) || defined(CONFIG_DEBUG) -static void msg_logger(int die, int pri, const char * fmt, ... ); -#endif -static void do_ioctl(int die, int fd, int request, unsigned long event_mask_flag); +static void msg_logger(int pri, const char * fmt, ... )__attribute__ ((format (printf, 2, 3))); +static void msg_logger_and_die(int pri, const char * fmt, ... )__attribute__ ((noreturn, format (printf, 2, 3))); +static void do_ioctl_and_die(int fd, int request, unsigned long event_mask_flag); static void fork_and_execute(int die, char *arg0, char **arg ); static int get_uid_gid ( int, const char *); static void safe_memcpy( char * dest, const char * src, int len); @@ -291,46 +286,67 @@ static struct event_type {0xffffffff, NULL} }; -/* busybox functions and messages */ +/* Busybox messages */ -const char * const bb_msg_proto_rev = "protocol revision"; -#ifdef CONFIG_DEVFSD_VERBOSE -const char * const bb_msg_bad_config = "bad %s config file: %s\n"; -const char * const bb_msg_small_buffer = "buffer too small\n"; -const char * const bb_msg_variable_not_found = "variable: %s not found\n"; -#endif +static const char * const bb_msg_proto_rev = "protocol revision"; +static const char * const bb_msg_bad_config = "bad %s config file: %s"; +static const char * const bb_msg_small_buffer = "buffer too small"; +static const char * const bb_msg_variable_not_found = "variable: %s not found"; -#if defined(CONFIG_DEVFSD_VERBOSE) || defined(CONFIG_DEBUG) -static void msg_logger(int die, int pri, const char * fmt, ... ) +/* Busybox functions */ +static void msg_logger(int pri, const char * fmt, ... ) { va_list ap; - + int ret; + va_start(ap, fmt); - if (access ("/dev/log", F_OK) == 0) - { + ret = access ("/dev/log", F_OK); + if (ret == 0) { openlog(bb_applet_name, 0, LOG_DAEMON); - vsyslog( pri , fmt , ap); + vsyslog( pri , fmt, ap); + /* Man: A trailing newline is added when needed. */ closelog(); - } -#ifndef CONFIG_DEBUG - else -#endif - bb_verror_msg(fmt, ap); + } + /* ENABLE_DEVFSD_VERBOSE is always enabled if msg_logger is used */ + if ((ENABLE_DEVFSD_VERBOSE && ret) || ENABLE_DEBUG) { + bb_error_msg(fmt, ap); + } va_end(ap); - if(die==DIE) - exit(EXIT_FAILURE); } -#endif -static void do_ioctl(int die, int fd, int request, unsigned long event_mask_flag) +static void msg_logger_and_die(int pri, const char* fmt, ...) { -#ifdef CONFIG_DEVFSD_VERBOSE - if (ioctl (fd, request, event_mask_flag) == -1) - msg_logger(die, LOG_ERR, "ioctl(): %m\n"); + va_list ap; + + va_start(ap, fmt); + msg_logger(pri, fmt, ap); + va_end(ap); + exit(EXIT_FAILURE); +} + +/* Busybox stuff */ +#if defined(CONFIG_DEVFSD_VERBOSE) || defined(CONFIG_DEBUG) +#define devfsd_error_msg(fmt, args...) bb_error_msg(fmt, ## args) +#define devfsd_perror_msg_and_die(fmt, args...) bb_perror_msg_and_die(fmt, ## args) +#define devfsd_error_msg_and_die(fmt, args...) bb_error_msg_and_die(fmt, ## args) +#if defined(CONFIG_DEBUG) +#define debug_msg_logger(x, fmt, args...) msg_logger(x, fmt, ## args) #else - if (ioctl (fd, request, event_mask_flag) == -1) - exit(EXIT_FAILURE); +#define debug_msg_logger(x, fmt, args...) +#endif +#else +#define debug_msg_logger(x, fmt, args...) +#define msg_logger(p, fmt, args...) +#define msg_logger_and_die(p, fmt, args...) exit(1) +#define devfsd_perror_msg_and_die(fmt, args...) exit(1) +#define devfsd_error_msg_and_die(fmt, args...) exit(1) +#define devfsd_error_msg(fmt, args...) #endif + +static void do_ioctl_and_die(int fd, int request, unsigned long event_mask_flag) +{ + if (ioctl (fd, request, event_mask_flag) == -1) + msg_logger_and_die(LOG_ERR, "ioctl"); } static void fork_and_execute(int die, char *arg0, char **arg ) @@ -342,12 +358,9 @@ static void fork_and_execute(int die, char *arg0, char **arg ) break; case -1: /* Parent: Error : die or return */ -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger(die, LOG_ERR,(char *) bb_msg_memory_exhausted); -#else - if(die == DIE) + msg_logger(LOG_ERR,(char *) bb_msg_memory_exhausted); + if(die) exit(EXIT_FAILURE); -#endif return; default: /* Parent : ok : return or exit */ @@ -362,11 +375,7 @@ static void fork_and_execute(int die, char *arg0, char **arg ) if(arg0 != NULL ) { execvp (arg0, arg); -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger(DIE, LOG_ERR, "execvp(): %s: %m\n", arg0); -#else - exit(EXIT_FAILURE); -#endif + msg_logger_and_die(LOG_ERR, "execvp"); } } @@ -425,10 +434,8 @@ static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr) int devfsd_main (int argc, char **argv) { int print_version = FALSE; -#ifdef CONFIG_DEVFSD_FG_NP int do_daemon = TRUE; int no_polling = FALSE; -#endif int do_scan; int fd, proto_rev, count; unsigned long event_mask = 0; @@ -444,12 +451,12 @@ int devfsd_main (int argc, char **argv) { if(argv[count][1]=='v' && !argv[count][2]) /* -v */ print_version = TRUE; -#ifdef CONFIG_DEVFSD_FG_NP - else if(argv[count][1]=='f' && argv[count][2]=='g' && !argv[count][3]) /* -fg */ + else if(ENABLE_DEVFSD_FG_NP && argv[count][1]=='f' + && argv[count][2]=='g' && !argv[count][3]) /* -fg */ do_daemon = FALSE; - else if(argv[count][1]=='n' && argv[count][2]=='p' && !argv[count][3]) /* -np */ + else if(ENABLE_DEVFSD_FG_NP && argv[count][1]=='n' + && argv[count][2]=='p' && !argv[count][3]) /* -np */ no_polling = TRUE; -#endif else bb_show_usage(); } @@ -462,22 +469,14 @@ int devfsd_main (int argc, char **argv) mount_point = argv[1]; if (chdir (mount_point) != 0) -#ifdef CONFIG_DEVFSD_VERBOSE - bb_error_msg_and_die( " %s: %m", mount_point); -#else - exit(EXIT_FAILURE); -#endif - + devfsd_perror_msg_and_die(mount_point); + fd = bb_xopen (".devfsd", O_RDONLY); if (fcntl (fd, F_SETFD, FD_CLOEXEC) != 0) -#ifdef CONFIG_DEVFSD_VERBOSE - bb_error_msg( "FD_CLOEXEC"); -#else - exit(EXIT_FAILURE); -#endif + devfsd_perror_msg_and_die("FD_CLOEXEC"); - do_ioctl(DIE, fd, DEVFSDIOC_GET_PROTO_REV,(int )&proto_rev); + do_ioctl_and_die(fd, DEVFSDIOC_GET_PROTO_REV,(int )&proto_rev); /*setup initial entries */ for (curr = initial_symlinks; curr->dest != NULL; ++curr) @@ -495,7 +494,7 @@ int devfsd_main (int argc, char **argv) exit(EXIT_SUCCESS); /* -v */ } /* Tell kernel we are special (i.e. we get to see hidden entries) */ - do_ioctl(DIE, fd, DEVFSDIOC_SET_EVENT_MASK, 0); + do_ioctl_and_die(fd, DEVFSDIOC_SET_EVENT_MASK, 0); sigemptyset (&new_action.sa_mask); new_action.sa_flags = 0; @@ -503,12 +502,8 @@ int devfsd_main (int argc, char **argv) /* Set up SIGHUP and SIGUSR1 handlers */ new_action.sa_handler = signal_handler; if (sigaction (SIGHUP, &new_action, NULL) != 0 || sigaction (SIGUSR1, &new_action, NULL) != 0 ) -#ifdef CONFIG_DEVFSD_VERBOSE - bb_error_msg_and_die( "sigaction()"); -#else - exit(EXIT_FAILURE); -#endif - + devfsd_error_msg_and_die( "sigaction"); + bb_printf("%s v%s started for %s\n",bb_applet_name, DEVFSD_VERSION, mount_point); /* Set umask so that mknod(2), open(2) and mkdir(2) have complete control over permissions */ @@ -516,21 +511,18 @@ int devfsd_main (int argc, char **argv) read_config_file (CONFIG_FILE, FALSE, &event_mask); /* Do the scan before forking, so that boot scripts see the finished product */ dir_operation(SERVICE,mount_point,0,NULL); -#ifdef CONFIG_DEVFSD_FG_NP - if (no_polling) + + if (ENABLE_DEVFSD_FG_NP && no_polling) exit (0); if (do_daemon) { -#endif /* Release so that the child can grab it */ - do_ioctl(DIE, fd, DEVFSDIOC_RELEASE_EVENT_QUEUE, 0); + do_ioctl_and_die(fd, DEVFSDIOC_RELEASE_EVENT_QUEUE, 0); fork_and_execute(DIE, NULL, NULL); setsid (); /* Prevent hangups and become pgrp leader */ -#ifdef CONFIG_DEVFSD_FG_NP - } - else + } else if(ENABLE_DEVFSD_FG_NP) { setpgid (0, 0); /* Become process group leader */ -#endif + } while (TRUE) { @@ -560,9 +552,8 @@ static void read_config_file (char *path, int optional, unsigned long *event_mas char buf[STRING_LENGTH]; char *line=NULL; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "read_config_file(): %s\n", path); -#endif + debug_msg_logger(LOG_INFO, "%s: %s", __FUNCTION__, path); + if (stat (path, &statbuf) == 0 ) { /* Don't read 0 length files: ignored */ @@ -594,12 +585,8 @@ static void read_config_file (char *path, int optional, unsigned long *event_mas } } else { read_config_file_err: -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger(((optional == 0 ) && (errno == ENOENT))? DIE : NO_DIE, LOG_ERR, "read config file: %s: %m\n", path); -#else if(optional == 0 && errno == ENOENT) - exit(EXIT_FAILURE); -#endif + msg_logger_and_die(LOG_ERR, "read config file: %s: %m", path); } return; } /* End Function read_config_file */ @@ -626,9 +613,8 @@ static void process_config_line (const char *line, unsigned long *event_mask) short int i; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "process_config_line()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); + for (count = 0; count < MAX_ARGS; ++count) p[count][0] = '\0'; num_args = sscanf (line, "%s %s %s %s %s %s %s %s %s %s", @@ -652,9 +638,7 @@ static void process_config_line (const char *line, unsigned long *event_mask) if( i == 1 || i == 2 ) { st_expr_expand (name, STRING_LENGTH, name, get_variable, NULL ); -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "%sinclude: %s\n",(toupper (when[0]) == 'I') ? "": "optional_", name); -#endif + msg_logger(LOG_INFO, "%sinclude: %s",(toupper (when[0]) == 'I') ? "": "optional_", name); read_config_file (name, (toupper (when[0]) == 'I') ? FALSE : TRUE, event_mask); return; } @@ -702,14 +686,13 @@ static void process_config_line (const char *line, unsigned long *event_mask) /* Get mode */ new->u.permissions.mode = get_mode (p[1]); break; -#ifdef CONFIG_DEVFSD_MODLOAD case 5: /* MODLOAD */ /*This action will pass "/dev/$devname" (i.e. "/dev/" prefixed to the device name) to the module loading facility. In addition, the /etc/modules.devfs configuration file is used.*/ - new->action.what = AC_MODLOAD; + if (ENABLE_DEVFSD_MODLOAD) + new->action.what = AC_MODLOAD; break; -#endif case 6: /* EXECUTE */ new->action.what = AC_EXECUTE; num_args -= 3; @@ -761,11 +744,7 @@ static void process_config_line (const char *line, unsigned long *event_mask) last_config = new; return; process_config_line_err: -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( DIE, LOG_ERR, bb_msg_bad_config, msg , line); -#else - exit(EXIT_FAILURE); -#endif + msg_logger_and_die(LOG_ERR, bb_msg_bad_config, msg , line); } /* End Function process_config_line */ static int do_servicing (int fd, unsigned long event_mask) @@ -779,12 +758,11 @@ static int do_servicing (int fd, unsigned long event_mask) struct devfsd_notify_struct info; unsigned long tmp_event_mask; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "do_servicing()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); + /* Tell devfs what events we care about */ tmp_event_mask = event_mask; - do_ioctl(DIE, fd, DEVFSDIOC_SET_EVENT_MASK, tmp_event_mask); + do_ioctl_and_die(fd, DEVFSDIOC_SET_EVENT_MASK, tmp_event_mask); while (!caught_signal) { errno = 0; @@ -805,11 +783,7 @@ static int do_servicing (int fd, unsigned long event_mask) caught_sighup = FALSE; return (c_sighup); } -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_ERR, "read error on control file: %m\n"); -#endif - /* This is to shut up a compiler warning */ - exit(EXIT_FAILURE); + msg_logger_and_die(LOG_ERR, "read error on control file"); } /* End Function do_servicing */ static void service_name (const struct devfsd_notify_struct *info) @@ -822,11 +796,9 @@ static void service_name (const struct devfsd_notify_struct *info) regmatch_t mbuf[MAX_SUBEXPR]; struct config_entry_struct *entry; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "service_name()\n"); - if (info->overrun_count > 0) - msg_logger( NO_DIE, LOG_ERR, "lost %u events\n", info->overrun_count); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); + if (ENABLE_DEBUG && info->overrun_count > 0) + debug_msg_logger(LOG_ERR, "lost %u events", info->overrun_count); /* Discard lookups on "/dev/log" and "/dev/initctl" */ if( info->type == DEVFSD_NOTIFY_LOOKUP && @@ -844,19 +816,18 @@ static void service_name (const struct devfsd_notify_struct *info) continue; for (n = 0; (n < MAX_SUBEXPR) && (mbuf[n].rm_so != -1); ++n) /* VOID */; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "service_name(): action.what %d\n", entry->action.what); -#endif + + debug_msg_logger(LOG_INFO, "%s: action.what %d", __FUNCTION__, entry->action.what); + switch (entry->action.what) { case AC_PERMISSIONS: action_permissions (info, entry); break; -#ifdef CONFIG_DEVFSD_MODLOAD case AC_MODLOAD: - action_modload (info, entry); + if(ENABLE_DEVFSD_MODLOAD) + action_modload (info, entry); break; -#endif case AC_EXECUTE: action_execute (info, entry, mbuf, n); break; @@ -873,12 +844,7 @@ static void service_name (const struct devfsd_notify_struct *info) action_compat (info, entry->action.what); break; default: -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( DIE, LOG_ERR, "Unknown action\n"); -#else - exit(EXIT_FAILURE); -#endif - /*break;*/ + msg_logger_and_die(LOG_ERR, "Unknown action"); } } } /* End Function service_name */ @@ -893,23 +859,16 @@ static void action_permissions (const struct devfsd_notify_struct *info, { struct stat statbuf; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_permission()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if ( stat (info->devname, &statbuf) != 0 || chmod (info->devname,(statbuf.st_mode & S_IFMT) | (entry->u.permissions.mode & ~S_IFMT)) != 0 || chown (info->devname, entry->u.permissions.uid, entry->u.permissions.gid) != 0) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_ERR, "chmod() or chown(): %s: %m\n",info->devname); -#endif - return; + msg_logger(LOG_ERR, "Can't chmod or chown: %s: %m",info->devname); } - } /* End Function action_permissions */ -#ifdef CONFIG_DEVFSD_MODLOAD static void action_modload (const struct devfsd_notify_struct *info, const struct config_entry_struct *entry) /* [SUMMARY] Load a module. @@ -929,12 +888,9 @@ static void action_modload (const struct devfsd_notify_struct *info, argv[5] = NULL; snprintf (device, sizeof (device), "/dev/%s", info->devname); -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_modload():%s %s %s %s %s\n",argv[0],argv[1],argv[2],argv[3],argv[4]); -#endif + debug_msg_logger(LOG_INFO, "%s: %s %s %s %s %s",__FUNCTION__, argv[0],argv[1],argv[2],argv[3],argv[4]); fork_and_execute(DIE, argv[0], argv); } /* End Function action_modload */ -#endif static void action_execute (const struct devfsd_notify_struct *info, const struct config_entry_struct *entry, @@ -953,11 +909,7 @@ static void action_execute (const struct devfsd_notify_struct *info, char *argv[MAX_ARGS + 1]; char largv[MAX_ARGS + 1][STRING_LENGTH]; -#ifdef CONFIG_DEBUG - int i; - char buff[512]; -#endif - + debug_msg_logger(LOG_INFO ,__FUNCTION__); gv_info.info = info; gv_info.devname = info->devname; snprintf (gv_info.devpath, sizeof (gv_info.devpath), "%s/%s", mount_point, info->devname); @@ -970,20 +922,6 @@ static void action_execute (const struct devfsd_notify_struct *info, argv[count] = largv[count]; } argv[count] = NULL; - -#ifdef CONFIG_DEBUG - buff[0]='\0'; - for(i=0;argv[i]!=NULL;i++) /* argv[i] < MAX_ARGS + 1 */ - { - strcat(buff," "); - if( (strlen(buff)+ 1 + strlen(argv[i])) >= 512) - break; - strcat(buff,argv[i]); - } - strcat(buff,"\n"); - msg_logger( NO_DIE, LOG_INFO, "action_execute(): %s",buff); -#endif - fork_and_execute(NO_DIE, argv[0], argv); } /* End Function action_execute */ @@ -1004,12 +942,12 @@ static void action_copy (const struct devfsd_notify_struct *info, struct get_variable_info gv_info; struct stat source_stat, dest_stat; char source[STRING_LENGTH], destination[STRING_LENGTH]; - dest_stat.st_mode = 0; - -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_copy()\n"); -#endif + int ret = 0; + debug_msg_logger(LOG_INFO, __FUNCTION__); + + dest_stat.st_mode = 0; + if ( (info->type == DEVFSD_NOTIFY_CHANGE) && S_ISLNK (info->mode) ) return; gv_info.info = info; @@ -1032,12 +970,9 @@ static void action_copy (const struct devfsd_notify_struct *info, new_mode |= S_ISVTX; else if ( (info->type == DEVFSD_NOTIFY_CHANGE) && (dest_stat.st_mode & S_ISVTX) ) new_mode |= S_ISVTX; -#ifdef CONFIG_DEBUG - if ( !copy_inode (destination, &dest_stat, new_mode, source, &source_stat) && (errno != EEXIST)) - msg_logger( NO_DIE, LOG_ERR, "copy_inode(): %s to %s: %m\n", source, destination); -#else - copy_inode (destination, &dest_stat, new_mode, source, &source_stat); -#endif + ret = copy_inode (destination, &dest_stat, new_mode, source, &source_stat); + if (ENABLE_DEBUG && ret && (errno != EEXIST)) + debug_msg_logger(LOG_ERR, "copy_inode: %s to %s: %m", source, destination); return; } /* End Function action_copy */ @@ -1048,6 +983,7 @@ static void action_compat (const struct devfsd_notify_struct *info, unsigned int [RETURNS] Nothing. */ { + int ret; const char *compat_name = NULL; const char *dest_name = info->devname; char *ptr=NULL; @@ -1080,9 +1016,7 @@ static void action_compat (const struct devfsd_notify_struct *info, unsigned int ptr = strrchr (info->devname, '/') + 1; i=scan_dev_name(info->devname, info->namelen, ptr); -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_compat(): scan_dev_name() returned %d\n", i); -#endif + debug_msg_logger(LOG_INFO, "%s: scan_dev_name = %d", __FUNCTION__, i); /* nothing found */ if(i==0 || i > 9) @@ -1125,9 +1059,7 @@ static void action_compat (const struct devfsd_notify_struct *info, unsigned int if(compat_name == NULL ) return; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_compat(): %s\n", compat_name); -#endif + debug_msg_logger( LOG_INFO, "%s: %s", __FUNCTION__, compat_name); /* Now decide what to do with it */ switch (action) @@ -1138,12 +1070,9 @@ static void action_compat (const struct devfsd_notify_struct *info, unsigned int break; case AC_RMOLDCOMPAT: case AC_RMNEWCOMPAT: -#ifdef CONFIG_DEBUG - if (unlink (compat_name) != 0) - msg_logger( NO_DIE, LOG_ERR, "unlink(): %s: %m\n", compat_name); -#else - unlink (compat_name); -#endif + ret = unlink (compat_name); + if (ENABLE_DEBUG && ret) + debug_msg_logger(LOG_ERR, "unlink: %s: %m", compat_name); break; /*esac*/ } /* switch(action) */ @@ -1154,9 +1083,7 @@ static void restore(char *spath, struct stat source_stat, int rootlen) char dpath[STRING_LENGTH]; struct stat dest_stat; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "restore()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); dest_stat.st_mode = 0; snprintf (dpath, sizeof dpath, "%s%s", mount_point, spath + rootlen); @@ -1188,9 +1115,7 @@ static int copy_inode (const char *destpath, const struct stat *dest_stat, struct sockaddr_un un_addr; char symlink_val[STRING_LENGTH]; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "copy_inode()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if ( (source_stat->st_mode & S_IFMT) == (dest_stat->st_mode & S_IFMT) ) { @@ -1266,9 +1191,7 @@ static void free_config () struct config_entry_struct *c_entry; void *next; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "free_config()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); for (c_entry = first_config; c_entry != NULL; c_entry = next) { @@ -1300,17 +1223,15 @@ static int get_uid_gid (int flag, const char *string) { struct passwd *pw_ent; struct group *grp_ent; -#ifdef CONFIG_DEVFSD_VERBOSE - char * msg="user"; -#endif - -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_uid_gid()\n"); - + static char *msg; + + if (ENABLE_DEVFSD_VERBOSE) + msg="user"; - if(flag != UID && flag != GID ) - msg_logger( DIE, LOG_ERR,"get_uid_gid(): flag != UID && flag != GID\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); + + if(ENABLE_DEBUG && flag != UID && flag != GID) + msg_logger_and_die(LOG_ERR,"%s: flag != UID && flag != GID", __FUNCTION__); if ( isdigit (string[0]) || ( (string[0] == '-') && isdigit (string[1]) ) ) return atoi (string); @@ -1320,12 +1241,11 @@ static int get_uid_gid (int flag, const char *string) if ( flag == GID && ( grp_ent = getgrnam (string) ) != NULL ) return (grp_ent->gr_gid); -#ifdef CONFIG_DEVFSD_VERBOSE - else + else if(ENABLE_DEVFSD_VERBOSE) msg="group"; - msg_logger( NO_DIE, LOG_ERR,"unknown %s: %s, defaulting to %cID=0\n", msg, string, msg[0] - 32); -#endif + if(ENABLE_DEVFSD_VERBOSE) + msg_logger(LOG_ERR,"unknown %s: %s, defaulting to %cid=0", msg, string, msg[0]); return (0); }/* End Function get_uid_gid */ @@ -1337,18 +1257,14 @@ static mode_t get_mode (const char *string) { mode_t mode; int i; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_mode()\n"); -#endif + + debug_msg_logger(LOG_INFO, __FUNCTION__); if ( isdigit (string[0]) ) return strtoul (string, NULL, 8); if (strlen (string) != 9) -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( DIE, LOG_ERR, "bad mode: %s\n", string); -#else - exit(EXIT_FAILURE); -#endif + msg_logger_and_die(LOG_ERR, "bad mode: %s", string); + mode = 0; i= S_IRUSR; while(i>0) @@ -1363,16 +1279,13 @@ static mode_t get_mode (const char *string) static void signal_handler (int sig) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "signal_handler()\n"); -#endif - + debug_msg_logger(LOG_INFO, __FUNCTION__); + caught_signal = TRUE; if (sig == SIGHUP) caught_sighup = TRUE; -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, "Caught %s\n",(sig == SIGHUP)?"SIGHUP" : "SIGUSR1"); -#endif + + msg_logger(LOG_INFO, "Caught signal %d", sig); } /* End Function signal_handler */ static const char *get_variable (const char *variable, void *info) @@ -1383,16 +1296,12 @@ static const char *get_variable (const char *variable, void *info) "uid", "gid", "mode", hostname, mount_point, gv_info->devpath, gv_info->devname, 0 }; short int i; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_variable()\n"); -#endif + + debug_msg_logger(LOG_INFO, __FUNCTION__); if (gethostname (hostname, STRING_LENGTH - 1) != 0) -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( DIE, LOG_ERR, "gethostname(): %m\n"); -#else - exit(EXIT_FAILURE); -#endif + msg_logger_and_die(LOG_ERR, "gethostname: %m"); + /* Here on error we should do exit(RV_SYS_ERROR), instead we do exit(EXIT_FAILURE) */ hostname[STRING_LENGTH - 1] = '\0'; @@ -1403,9 +1312,7 @@ static const char *get_variable (const char *variable, void *info) return (NULL); if( i >= 0 || i <= 3) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_variable(): i=%d %s\n",i ,field_names[i+7]); -#endif + debug_msg_logger(LOG_INFO, "%s: i=%d %s", __FUNCTION__, i ,field_names[i+7]); return(field_names[i+7]); } @@ -1415,9 +1322,9 @@ static const char *get_variable (const char *variable, void *info) sprintf (sbuf, "%u", gv_info->info->gid); else if(i == 6) sprintf (sbuf, "%o", gv_info->info->mode); -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_variable(): %s\n", sbuf); -#endif + + debug_msg_logger(LOG_INFO, "%s: %s", __FUNCTION__, sbuf); + return (sbuf); } /* End Function get_variable */ @@ -1425,9 +1332,7 @@ static void service(struct stat statbuf, char *path) { struct devfsd_notify_struct info; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "service()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); memset (&info, 0, sizeof info); info.type = DEVFSD_NOTIFY_REGISTERED; @@ -1457,16 +1362,11 @@ static void dir_operation(int type, const char * dir_name, int var, unsigned lon struct dirent *de; char path[STRING_LENGTH]; - -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "dir_operation()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if((dp = opendir( dir_name))==NULL) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_ERR, "opendir(): %s: %m\n", dir_name); -#endif + debug_msg_logger(LOG_ERR, "opendir: %s: %m", dir_name); return; } @@ -1476,15 +1376,11 @@ static void dir_operation(int type, const char * dir_name, int var, unsigned lon if(de->d_name && *de->d_name == '.' && (!de->d_name[1] || (de->d_name[1] == '.' && !de->d_name[2]))) continue; snprintf (path, sizeof (path), "%s/%s", dir_name, de->d_name); -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_ERR, "dir_operation(): %s\n", path); -#endif + debug_msg_logger(LOG_ERR, "%s: %s", __FUNCTION__, path); if (lstat (path, &statbuf) != 0) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_ERR, "%s: %m\n", path); -#endif + debug_msg_logger(LOG_ERR, "%s: %s: %m", __FUNCTION__, path); continue; } switch(type) @@ -1510,10 +1406,7 @@ static int mksymlink (const char *oldpath, const char *newpath) [RETURNS] 0 on success, else -1. */ { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "mksymlink()\n", newpath); -#endif - + debug_msg_logger(LOG_INFO, __FUNCTION__); if ( !make_dir_tree (newpath) ) return (-1); @@ -1522,9 +1415,7 @@ static int mksymlink (const char *oldpath, const char *newpath) { if (errno != EEXIST) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_ERR, "mksymlink(): %s to %s: %m\n", oldpath, newpath); -#endif + debug_msg_logger(LOG_ERR, "%s: %s to %s: %m", __FUNCTION__, oldpath, newpath); return (-1); } } @@ -1538,14 +1429,11 @@ static int make_dir_tree (const char *path) [RETURNS] TRUE on success, else FALSE. */ { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "make_dir_tree()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); + if (bb_make_directory( dirname((char *)path), -1, FILEUTILS_RECUR )==-1) { -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_ERR, "make_dir_tree(): %s: %m\n", path); -#endif + debug_msg_logger(LOG_ERR, "%s: %s: %m",__FUNCTION__, path); return (FALSE); } return(TRUE); @@ -1574,9 +1462,7 @@ static int expand_expression(char *output, unsigned int outsize, { char temp[STRING_LENGTH]; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "expand_expression()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if ( !st_expr_expand (temp, STRING_LENGTH, input, get_variable_func, info) ) return (FALSE); @@ -1605,9 +1491,7 @@ static void expand_regexp (char *output, size_t outsize, const char *input, const char last_exp = '0' - 1 + numex; int c = -1; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "expand_regexp()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); /* Guarantee NULL termination by writing an explicit '\0' character into the very last byte */ @@ -1726,9 +1610,7 @@ const char *get_old_name (const char *devname, unsigned int namelen, "%cty%c%c", /* pty/ */ NULL }; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_old_name()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); for (trans = translate_table; trans->match != NULL; ++trans) { @@ -1750,10 +1632,8 @@ const char *get_old_name (const char *devname, unsigned int namelen, compat_name = buffer; else return NULL; - -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_old_name(): scan_dev_name() returned %d\n", i); -#endif + + debug_msg_logger(LOG_INFO, "%s: scan_dev_name = %d", __FUNCTION__, i); /* 1 == scsi/generic, 3 == scsi/cd, 10 == sbp/ */ if( i == 1 || i == 3 || i == 10 ) @@ -1775,7 +1655,8 @@ const char *get_old_name (const char *devname, unsigned int namelen, } /* 6 == ide/host/disc, 7 == ide/host/cd, 8 == ide/host/part */ if( i == 6 || i == 7 || i == 8 ) - sprintf (buffer, fmt[i] , get_old_ide_name (major, minor), ptr + 4); /* last arg should be ignored for i == 6 or i== 7 */ + /* last arg should be ignored for i == 6 or i== 7 */ + sprintf (buffer, fmt[i] , get_old_ide_name (major, minor), ptr + 4); /* 9 == ide/host/mt */ if( i == 9 ) @@ -1796,10 +1677,10 @@ const char *get_old_name (const char *devname, unsigned int namelen, indexx = atoi (devname + 5); sprintf (buffer, fmt[i], (devname[4] == 'm') ? 'p' : 't', pty1[indexx >> 4], pty2[indexx & 0x0f]); } -#ifdef CONFIG_DEBUG - if(compat_name!=NULL) - msg_logger( NO_DIE, LOG_INFO, "get_old_name(): compat_name %s\n", compat_name); -#endif + + if(ENABLE_DEBUG && compat_name!=NULL) + msg_logger(LOG_INFO, "%s: compat_name %s", __FUNCTION__, compat_name); + return (compat_name); } /* End Function get_old_name */ @@ -1814,9 +1695,7 @@ static char get_old_ide_name (unsigned int major, unsigned int minor) char c='a'; /* 97 */ int i=IDE0_MAJOR; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_old_ide_name()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); /* I hope it works like the previous code as it saves a few bytes. Tito ;P */ do { @@ -1853,9 +1732,7 @@ static char *write_old_sd_name (char *buffer, { unsigned int disc_index; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "write_old_sd_name()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if (major == 8) { @@ -1902,9 +1779,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, struct passwd *pwent; char buffer[BUFFER_SIZE], tmp[STRING_LENGTH]; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "st_expr_expand()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if (length > BUFFER_SIZE) length = BUFFER_SIZE; @@ -1926,9 +1801,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, /* User's own home directory: leave separator for next time */ if ( ( env = getenv ("HOME") ) == NULL ) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, bb_msg_variable_not_found, "HOME"); -#endif + msg_logger(LOG_INFO, bb_msg_variable_not_found, "HOME"); return (FALSE); } len = strlen (env); @@ -1948,9 +1821,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, input = ptr - 1; if ( ( pwent = getpwnam (tmp) ) == NULL ) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, "no pwent for: %s\n", tmp); -#endif + msg_logger(LOG_INFO, "no pwent for: %s", tmp); return (FALSE); } len = strlen (pwent->pw_dir); @@ -1976,9 +1847,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, } return (FALSE); st_expr_expand_out: -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, bb_msg_small_buffer); -#endif + msg_logger(LOG_INFO, bb_msg_small_buffer); return (FALSE); } /* End Function st_expr_expand */ @@ -2009,9 +1878,7 @@ static const char *expand_variable (char *buffer, unsigned int length, const char *env, *ptr; char tmp[STRING_LENGTH]; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "expand_variable()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); ch = input[0]; if (ch == '$') @@ -2040,9 +1907,7 @@ static const char *expand_variable (char *buffer, unsigned int length, input = ptr - 1; if ( ( env = get_variable_v2 (tmp, func, info) ) == NULL ) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, bb_msg_variable_not_found, tmp); -#endif + msg_logger(LOG_INFO, bb_msg_variable_not_found, tmp); return (NULL); } len = strlen (env); @@ -2072,9 +1937,7 @@ static const char *expand_variable (char *buffer, unsigned int length, } if (ch != ':' || ptr[1] != '-' ) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO,"illegal char in var name\n"); -#endif + msg_logger(LOG_INFO, "illegal char in var name"); return (NULL); } /* It's that handy "${var:-word}" expression. Check if var is defined */ @@ -2099,9 +1962,7 @@ static const char *expand_variable (char *buffer, unsigned int length, --open_braces; break; case '\0': -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO,"\"}\" not found in: %s\n", input); -#endif + msg_logger(LOG_INFO,"\"}\" not found in: %s", input); return (NULL); default: break; @@ -2141,9 +2002,7 @@ static const char *expand_variable (char *buffer, unsigned int length, *out_pos += len; return (input); expand_variable_out: -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, bb_msg_small_buffer); -#endif + msg_logger(LOG_INFO, bb_msg_small_buffer); return (NULL); } /* End Function expand_variable */ @@ -2161,9 +2020,7 @@ static const char *get_variable_v2 (const char *variable, { const char *value; -#ifdef CONFIG_DEBUG - msg_logger( NO_DIE, LOG_INFO, "get_variable_v2()\n"); -#endif + debug_msg_logger(LOG_INFO, __FUNCTION__); if (func != NULL) { |