diff options
| -rw-r--r-- | include/usage.h | 18 | ||||
| -rw-r--r-- | miscutils/Config.in | 21 | ||||
| -rw-r--r-- | miscutils/devfsd.c | 783 |
3 files changed, 477 insertions, 345 deletions
diff --git a/include/usage.h b/include/usage.h index 21fb2afe6..6db0385fb 100644 --- a/include/usage.h +++ b/include/usage.h @@ -338,17 +338,25 @@ #define deluser_full_usage \ "Deletes user USER from the system" +#ifdef CONFIG_DEVFSD_FG_NP + #define USAGE_DEVFSD_FG_NP(a) a +#else + #define USAGE_DEVFSD_FG_NP(a) +#endif + #define devfsd_trivial_usage \ - "mntpnt [-v] [-fg] [-np]" + "mntpnt [-v]"\ + USAGE_DEVFSD_FG_NP("[-fg][-np]" ) #define devfsd_full_usage \ "Optional daemon for managing devfs (the Linux Device Filesystem).\n" \ "\nOptions:\n" \ "\tmntpnt\tThe mount point where devfs is mounted.\n\n" \ "\t-v\tPrint the protocol version numbers for devfsd\n" \ - "\t\tand the kernel-side protocol version and exits.\n" \ - "\t-fg\tRun the daemon in the foreground.\n\n" \ - "\t-np\tExit after parsing the configuration file and processing syn-\n" \ - "\t\tthetic REGISTER events. Do not poll for events." + "\t\tand the kernel-side protocol version and exits." \ + USAGE_DEVFSD_FG_NP( "\n\n\t-fg\tRun the daemon in the foreground.\n\n" \ + "\t-np\tExit after parsing the configuration file\n" \ + "\t\tand processing synthetic REGISTER events.\n" \ + "\t\tDo not poll for events.") #ifdef CONFIG_FEATURE_HUMAN_READABLE #define USAGE_HUMAN_READABLE(a) a diff --git a/miscutils/Config.in b/miscutils/Config.in index 4a013cbd5..4216b2845 100644 --- a/miscutils/Config.in +++ b/miscutils/Config.in @@ -46,27 +46,34 @@ config CONFIG_DEVFSD help Provides compatibility with old device names on a devfs systems. You should set it to true if you have devfs enabled. + The following keywords in devsfd.conf are supported: + "CLEAR_CONFIG", "INCLUDE", "OPTIONAL_INCLUDE", "RESTORE", + "PERMISSIONS", "EXECUTE", "COPY", "IGNORE", + "MKOLDCOMPAT", "MKNEWCOMPAT","RMOLDCOMPAT", "RMNEWCOMPAT". + + But only if they are written UPPERCASE!!!!!!!! config CONFIG_DEVFSD_MODLOAD - bool "Adds support for MODLOAD action" + bool "Adds support for MODLOAD keyword in devsfd.conf" default n depends on CONFIG_DEVFSD help This actually doesn't work with busybox modutils but needs the real modutils. -config CONFIG_DEVFSD_VERBOSE - bool "Increases logging to stderr and syslog" +config CONFIG_DEVFSD_FG_NP + bool "Enables the -fg and -np options" default n depends on CONFIG_DEVFSD help - Increases logging to stderr and syslog. + -fg Run the daemon in the foreground. + -np Exit after parsing the configuration file. Do not poll for events. -config CONFIG_DEVFSD_DEBUG - bool "Adds function names to program output" +config CONFIG_DEVFSD_VERBOSE + bool "Increases logging (and size)" default n depends on CONFIG_DEVFSD help - Adds function names to program output. + Increases logging to stderr or syslog. config CONFIG_LAST bool "last" diff --git a/miscutils/devfsd.c b/miscutils/devfsd.c index 9f998e723..aa7a826b7 100644 --- a/miscutils/devfsd.c +++ b/miscutils/devfsd.c @@ -93,7 +93,7 @@ #define DEVFSDIOC_GET_PROTO_REV _IOR(DEVFSD_IOCTL_BASE, 0, int) #define DEVFSDIOC_SET_EVENT_MASK _IOW(DEVFSD_IOCTL_BASE, 2, int) #define DEVFSDIOC_RELEASE_EVENT_QUEUE _IOW(DEVFSD_IOCTL_BASE, 3, int) -#define DEVFSDIOC_SET_DEBUG_MASK _IOW(DEVFSD_IOCTL_BASE, 4, int) +#define DEVFSDIOC_SET_CONFIG_DEBUG_MASK _IOW(DEVFSD_IOCTL_BASE, 4, int) #define DEVFSD_NOTIFY_REGISTERED 0 #define DEVFSD_NOTIFY_UNREGISTERED 1 #define DEVFSD_NOTIFY_ASYNC_OPEN 2 @@ -102,8 +102,9 @@ #define DEVFSD_NOTIFY_CHANGE 5 #define DEVFSD_NOTIFY_CREATE 6 #define DEVFSD_NOTIFY_DELETE 7 -#define DEVFS_PATHLEN 1024 /* Never change this otherwise the - binary interface will change */ +#define DEVFS_PATHLEN 1024 +/* Never change this otherwise the binary interface will change */ + struct devfsd_notify_struct { /* Use native C types to ensure same types in kernel and user space */ unsigned int type; /* DEVFSD_NOTIFY_* value */ @@ -118,18 +119,12 @@ struct devfsd_notify_struct char devname[DEVFS_PATHLEN]; /* This will be '\0' terminated */ }; - - -/* These are now in Config.in */ -/* define this if you want to have more output on stderr and syslog at the same time */ -/*#define CONFIG_DEVFSD_VERBOSE*/ -/* define this if you want to have the function names in output */ -/*#define CONFIG_DEVFSD_DEBUG*/ - #define BUFFER_SIZE 16384 #define DEVFSD_VERSION "1.3.25" #define CONFIG_FILE "/etc/devfsd.conf" #define MODPROBE "/sbin/modprobe" +#define MODPROBE_SWITCH_1 "-k" +#define MODPROBE_SWITCH_2 "-C" #define CONFIG_MODULES_DEVFS "/etc/modules.devfs" #define MAX_ARGS (6 + 1) #define MAX_SUBEXPR 10 @@ -221,7 +216,7 @@ static void service(struct stat statbuf, char *path); static int st_expr_expand(char *, unsigned, const char *, const char *(*) (const char *, void *), void *); static const char *get_old_name(const char *, unsigned, char *, unsigned, unsigned); static int mksymlink (const char *oldpath, const char *newpath); -static void read_config_file (const char *path, int optional, unsigned long *event_mask); +static void read_config_file (char *path, int optional, unsigned long *event_mask); static void process_config_line (const char *, unsigned long *); static int do_servicing (int, unsigned long); static void service_name (const struct devfsd_notify_struct *); @@ -251,11 +246,15 @@ static char get_old_ide_name (unsigned , unsigned); static char *write_old_sd_name (char *, unsigned, unsigned, char *); /* busybox functions */ +#ifdef CONFIG_DEVFSD_VERBOSE 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 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); +static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, char *ptr); +static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr); /* Structs and vars */ static struct config_entry_struct *first_config = NULL; @@ -297,13 +296,14 @@ static struct event_type extern void xregcomp(regex_t * preg, const char *regex, int cflags); -const char * const bb_msg_bad_config = "bad %s config file: %s\n"; 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"; +const char * const bb_msg_variable_not_found = "variable: %s not found\n"; #endif +#ifdef CONFIG_DEVFSD_VERBOSE static void msg_logger(int die, int pri, const char * fmt, ... ) { va_list ap; @@ -315,7 +315,7 @@ static void msg_logger(int die, int pri, const char * fmt, ... ) vsyslog( pri , fmt , ap); closelog(); } -#ifndef CONFIG_DEVFSD_VERBOSE +#ifndef CONFIG_DEBUG else #endif bb_verror_msg(fmt, ap); @@ -323,12 +323,17 @@ static void msg_logger(int die, int pri, const char * fmt, ... ) if(die==DIE) exit(EXIT_FAILURE); } - +#endif static void do_ioctl(int die, int fd, int request, unsigned long event_mask_flag) { - if (ioctl (fd, request, event_mask_flag) != 0) +#ifdef CONFIG_DEVFSD_VERBOSE + if (ioctl (fd, request, event_mask_flag) == -1) msg_logger(die, LOG_ERR, "ioctl(): %m\n"); +#else + if (ioctl (fd, request, event_mask_flag) == -1) + exit(EXIT_FAILURE); +#endif } static void fork_and_execute(int die, char *arg0, char **arg ) @@ -340,7 +345,12 @@ 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) + exit(EXIT_FAILURE); +#endif return; default: /* Parent : ok : return or exit */ @@ -355,7 +365,11 @@ 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 } } @@ -365,13 +379,60 @@ static void safe_memcpy( char *dest, const char *src, int len) dest[len] = '\0'; } +static unsigned int scan_dev_name_common(const char *d, unsigned int n, int addendum, char *ptr) +{ + if( d[n - 4]=='d' && d[n - 3]=='i' && d[n - 2]=='s' && d[n - 1]=='c') + return (2 + addendum); + else if( d[n - 2]=='c' && d[n - 1]=='d') + return (3 + addendum); + else if(ptr[0]=='p' && ptr[1]=='a' && ptr[2]=='r' && ptr[3]=='t') + return (4 + addendum); + else if( ptr[n - 2]=='m' && ptr[n - 1]=='t') + return (5 + addendum); + else + return 0; +} + +static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr) +{ + if(d[0]=='s' && d[1]=='c' && d[2]=='s' && d[3]=='i' && d[4]=='/') + { + if( d[n - 7]=='g' && d[n - 6]=='e' && d[n - 5]=='n' && + d[n - 4]=='e' && d[n - 3]=='r' && d[n - 2]=='i' && + d[n - 1]=='c' ) + return 1; + return scan_dev_name_common(d, n, 0, ptr); + } + else if(d[0]=='i' && d[1]=='d' && d[2]=='e' && d[3]=='/' && + d[4]=='h' && d[5]=='o' && d[6]=='s' && d[7]=='t') + { + return scan_dev_name_common(d, n, 4, ptr); + } + else if(d[0]=='s' && d[1]=='b' && d[2]=='p' && d[3]=='/') + { + return 10; + } + else if(d[0]=='v' && d[1]=='c' && d[2]=='c' && d[3]=='/') + { + return 11; + } + else if(d[0]=='p' && d[1]=='t' && d[2]=='y' && d[3]=='/') + { + return 12; + } + return 0; +} + /* Public functions follow */ 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; struct sigaction new_action; @@ -382,25 +443,42 @@ int devfsd_main (int argc, char **argv) for (count = 2; count < argc; ++count) { - if (strcmp (argv[count], "-v") == 0) - print_version = TRUE; - else if (strcmp (argv[count], "-fg") == 0) - do_daemon = FALSE; - else if (strcmp (argv[count], "-np") == 0) - no_polling = TRUE; - else - bb_show_usage(); + if(argv[count][0] == '-') + { + 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 */ + do_daemon = FALSE; + else if(argv[count][1]=='n' && argv[count][2]=='p' && !argv[count][3]) /* -np */ + no_polling = TRUE; +#endif + else + bb_show_usage(); + } } + /* strip last / from mount point, so we don't need to check for it later */ + while( argv[1][1]!='\0' && argv[1][strlen(argv[1])-1] == '/' ) + argv[1][strlen(argv[1]) -1] = '\0'; + 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 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 do_ioctl(DIE, fd, DEVFSDIOC_GET_PROTO_REV,(int )&proto_rev); @@ -428,7 +506,11 @@ 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 bb_printf("%s v%s started for %s\n",bb_applet_name, DEVFSD_VERSION, mount_point); @@ -437,21 +519,25 @@ 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) exit (0); if (do_daemon) { +#endif /* Release so that the child can grab it */ do_ioctl(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 setpgid (0, 0); /* Become process group leader */ +#endif while (TRUE) { - int do_scan = do_servicing (fd, event_mask); + do_scan = do_servicing (fd, event_mask); free_config (); read_config_file (CONFIG_FILE, FALSE, &event_mask); @@ -463,7 +549,7 @@ int devfsd_main (int argc, char **argv) /* Private functions follow */ -static void read_config_file (const char *path, int optional, unsigned long *event_mask) +static void read_config_file (char *path, int optional, unsigned long *event_mask) /* [SUMMARY] Read a configuration database. <path> The path to read the database from. If this is a directory, all entries in that directory will be read (except hidden entries). @@ -477,14 +563,18 @@ static void read_config_file (const char *path, int optional, unsigned long *eve char buf[STRING_LENGTH]; char *line=NULL; -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "read_config_file()\n"); +#ifdef CONFIG_DEBUG + msg_logger( NO_DIE, LOG_INFO, "read_config_file(): %s\n", path); #endif if (stat (path, &statbuf) != 0 || statbuf.st_size == 0 ) goto read_config_file_err; if ( S_ISDIR (statbuf.st_mode) ) { + /* strip last / from dirname so we don't need to check for it later */ + while( path && path[1]!='\0' && path[strlen(path)-1] == '/') + path[strlen(path) -1] = '\0'; + dir_operation(READ_CONFIG, path, 0, event_mask); return; } @@ -513,6 +603,9 @@ static void read_config_file (const char *path, int optional, unsigned long *eve 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 return; } /* End Function read_config_file */ @@ -532,7 +625,14 @@ static void process_config_line (const char *line, unsigned long *event_mask) char * msg=""; char *ptr; -#ifdef CONFIG_DEVFSD_DEBUG + /* !!!! Only Uppercase Keywords in devsfd.conf */ + const char *options[] = { "CLEAR_CONFIG", "INCLUDE", "OPTIONAL_INCLUDE", "RESTORE", + "PERMISSIONS", "MODLOAD", "EXECUTE", "COPY", "IGNORE", + "MKOLDCOMPAT", "MKNEWCOMPAT","RMOLDCOMPAT", "RMNEWCOMPAT", 0 }; + + short int i; + +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "process_config_line()\n"); #endif @@ -540,26 +640,32 @@ static void process_config_line (const char *line, unsigned long *event_mask) num_args = sscanf (line, "%s %s %s %s %s %s %s %s %s %s", when, name, what, p[0], p[1], p[2], p[3], p[4], p[5], p[6]); - if (strcasecmp (when, "CLEAR_CONFIG") == 0) + + i = compare_string_array(options, when ); + + /*"CLEAR_CONFIG"*/ + if( i == 0) { free_config (); *event_mask = 0; return; } - if (num_args < 2) + + if ( num_args < 2) goto process_config_line_err; - if ( (strcasecmp (when, "INCLUDE") == 0) || - (strcasecmp (when, "OPTIONAL_INCLUDE") == 0) ) + /* "INCLUDE" & "OPTIONAL_INCLUDE" */ + if( i == 1 || i == 2 ) { st_expr_expand (name, STRING_LENGTH, name, get_variable, NULL ); -#ifdef CONFIG_DEVFSD_VERBOSE +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "%sinclude: %s\n",(toupper (when[0]) == 'I') ? "": "optional_", name); #endif read_config_file (name, (toupper (when[0]) == 'I') ? FALSE : TRUE, event_mask); return; } - if (strcasecmp (when, "RESTORE") == 0) + /* "RESTORE" */ + if( i == 3) { dir_operation(RESTORE,name, strlen (name),NULL); return; @@ -583,65 +689,72 @@ static void process_config_line (const char *line, unsigned long *event_mask) goto process_config_line_err; } - if (strcasecmp (what, "PERMISSIONS") == 0) + i = compare_string_array(options, what ); + + switch(i) { - new->action.what = AC_PERMISSIONS; - /* Get user and group */ - if ( ( ptr = strchr (p[0], '.') ) == NULL ) - { - msg="UID.GID"; - goto process_config_line_err; /*"missing '.' in UID.GID */ - } + case 4: /* "PERMISSIONS" */ + new->action.what = AC_PERMISSIONS; + /* Get user and group */ + if ( ( ptr = strchr (p[0], '.') ) == NULL ) + { + msg="UID.GID"; + goto process_config_line_err; /*"missing '.' in UID.GID */ + } - *ptr++ = '\0'; - new->u.permissions.uid = get_uid_gid (UID, p[0]); - new->u.permissions.gid = get_uid_gid (GID, ptr); - /* Get mode */ - new->u.permissions.mode = get_mode (p[1]); - } + *ptr++ = '\0'; + new->u.permissions.uid = get_uid_gid (UID, p[0]); + new->u.permissions.gid = get_uid_gid (GID, ptr); + /* Get mode */ + new->u.permissions.mode = get_mode (p[1]); + break; #ifdef CONFIG_DEVFSD_MODLOAD - else if (strcasecmp (what, "MODLOAD") == 0) - /*This action will pass "/dev/$devname" (i.e. "/dev/" prefixed to - the device name) to the module loading facility. In addition, - the /etc/modules.devfs configuration file is used.*/ - - new->action.what = AC_MODLOAD; + case 5: /* MODLOAD */ + /*This action will pass "/dev/$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; + break; #endif - else if (strcasecmp (what, "EXECUTE") == 0) - { - new->action.what = AC_EXECUTE; - num_args -= 3; + case 6: /* EXECUTE */ + new->action.what = AC_EXECUTE; + num_args -= 3; - for (count = 0; count < num_args; ++count) - new->u.execute.argv[count] = bb_xstrdup (p[count]); - - new->u.execute.argv[num_args] = NULL; - } - else if (strcasecmp (what, "COPY") == 0) - { - new->action.what = AC_COPY; - num_args -= 3; - if (num_args != 2) - goto process_config_line_err; /* missing path and function in line */ + for (count = 0; count < num_args; ++count) + new->u.execute.argv[count] = bb_xstrdup (p[count]); - new->u.copy.source = bb_xstrdup (p[0]); - new->u.copy.destination = bb_xstrdup (p[1]); - } - else if (strcasecmp (what, "IGNORE") == 0) - new->action.what = AC_IGNORE; - else if (strcasecmp (what, "MKOLDCOMPAT") == 0) - new->action.what = AC_MKOLDCOMPAT; - else if (strcasecmp (what, "MKNEWCOMPAT") == 0) - new->action.what = AC_MKNEWCOMPAT; - else if (strcasecmp (what, "RMOLDCOMPAT") == 0) - new->action.what = AC_RMOLDCOMPAT; - else if (strcasecmp (what, "RMNEWCOMPAT") == 0) - new->action.what = AC_RMNEWCOMPAT; - else - { - msg ="WHAT in"; - goto process_config_line_err; - } + new->u.execute.argv[num_args] = NULL; + break; + case 7: /* COPY */ + new->action.what = AC_COPY; + num_args -= 3; + if (num_args != 2) + goto process_config_line_err; /* missing path and function in line */ + + new->u.copy.source = bb_xstrdup (p[0]); + new->u.copy.destination = bb_xstrdup (p[1]); + break; + case 8: /* IGNORE */ + /* FALLTROUGH */ + case 9: /* MKOLDCOMPAT */ + /* FALLTROUGH */ + case 10: /* MKNEWCOMPAT */ + /* FALLTROUGH */ + case 11:/* RMOLDCOMPAT */ + /* FALLTROUGH */ + case 12: /* RMNEWCOMPAT */ + /* AC_IGNORE 6 + AC_MKOLDCOMPAT 7 + AC_MKNEWCOMPAT 8 + AC_RMOLDCOMPAT 9 + AC_RMNEWCOMPAT 10*/ + new->action.what = i - 2; + break; + default: + msg ="WHAT in"; + goto process_config_line_err; + /*esac*/ + } /* switch (i) */ xregcomp( &new->preg, name, REG_EXTENDED); @@ -654,7 +767,11 @@ 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 } /* End Function process_config_line */ static int do_servicing (int fd, unsigned long event_mask) @@ -668,7 +785,7 @@ static int do_servicing (int fd, unsigned long event_mask) struct devfsd_notify_struct info; unsigned long tmp_event_mask; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "do_servicing()\n"); #endif /* Tell devfs what events we care about */ @@ -698,7 +815,7 @@ static int do_servicing (int fd, unsigned long event_mask) msg_logger( NO_DIE, LOG_ERR, "read error on control file: %m\n"); #endif /* This is to shut up a compiler warning */ - exit(1); + exit(EXIT_FAILURE); } /* End Function do_servicing */ static void service_name (const struct devfsd_notify_struct *info) @@ -711,18 +828,19 @@ static void service_name (const struct devfsd_notify_struct *info) regmatch_t mbuf[MAX_SUBEXPR]; struct config_entry_struct *entry; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "service_name()\n"); -#endif -#ifdef CONFIG_DEVFSD_VERBOSE if (info->overrun_count > 0) msg_logger( NO_DIE, LOG_ERR, "lost %u events\n", info->overrun_count); #endif /* Discard lookups on "/dev/log" and "/dev/initctl" */ - if (info->type == DEVFSD_NOTIFY_LOOKUP && - (( (strcmp (info->devname, "log") == 0) || - (strcmp (info->devname, "initctl") == 0)))) + if( info->type == DEVFSD_NOTIFY_LOOKUP && + ((info->devname[0]=='l' && info->devname[1]=='o' && + info->devname[2]=='g' && !info->devname[3]) && + ( info->devname[0]=='i' && info->devname[1]=='n' && + info->devname[2]=='i' && info->devname[3]=='c' && + info->devname[4]=='t' && info->devname[5]=='l' && !info->devname[6]))) return; for (entry = first_config; entry != NULL; entry = entry->next) { @@ -731,51 +849,40 @@ 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 switch (entry->action.what) { case AC_PERMISSIONS: -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_PERMISSIONS\n"); -#endif action_permissions (info, entry); break; #ifdef CONFIG_DEVFSD_MODLOAD case AC_MODLOAD: - #ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_MODLOAD\n"); - #endif action_modload (info, entry); break; #endif case AC_EXECUTE: -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_EXECUTE\n"); -#endif action_execute (info, entry, mbuf, n); break; case AC_COPY: -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_COPY\n"); -#endif action_copy (info, entry, mbuf, n); break; case AC_IGNORE: -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_IGNORE\n"); -#endif return; /*break;*/ case AC_MKOLDCOMPAT: case AC_MKNEWCOMPAT: case AC_RMOLDCOMPAT: case AC_RMNEWCOMPAT: -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "AC_COMPAT\n"); -#endif 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;*/ } } @@ -791,7 +898,7 @@ static void action_permissions (const struct devfsd_notify_struct *info, { struct stat statbuf; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "action_permission()\n"); #endif @@ -820,15 +927,16 @@ static void action_modload (const struct devfsd_notify_struct *info, char device[STRING_LENGTH]; argv[0] = MODPROBE; - argv[1] = "-k"; - argv[2] = "-C"; + argv[1] = MODPROBE_SWITCH_1; /* "-k" */ + argv[2] = MODPROBE_SWITCH_2; /* "-C" */ argv[3] = CONFIG_MODULES_DEVFS; argv[4] = device; argv[5] = NULL; - #ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_modload()\n"); - #endif + 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 fork_and_execute(DIE, argv[0], argv); } /* End Function action_modload */ #endif @@ -850,11 +958,9 @@ static void action_execute (const struct devfsd_notify_struct *info, char *argv[MAX_ARGS + 1]; char largv[MAX_ARGS + 1][STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG int i; - char buff[1024]; - - msg_logger( NO_DIE, LOG_INFO, "action_execute()\n"); + char buff[512]; #endif gv_info.info = info; @@ -870,12 +976,12 @@ static void action_execute (const struct devfsd_notify_struct *info, } argv[count] = NULL; -#ifdef CONFIG_DEVFSD_DEBUG +#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])) >= 1024) + if( (strlen(buff)+ 1 + strlen(argv[i])) >= 512) break; strcat(buff,argv[i]); } @@ -905,7 +1011,7 @@ static void action_copy (const struct devfsd_notify_struct *info, char source[STRING_LENGTH], destination[STRING_LENGTH]; dest_stat.st_mode = 0; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "action_copy()\n"); #endif @@ -913,8 +1019,8 @@ static void action_copy (const struct devfsd_notify_struct *info, return; gv_info.info = info; gv_info.devname = info->devname; - snprintf (gv_info.devpath, sizeof (gv_info.devpath), "%s/%s", mount_point, info->devname); + snprintf (gv_info.devpath, sizeof (gv_info.devpath), "%s/%s", mount_point, info->devname); expand_expression (source, STRING_LENGTH, entry->u.copy.source, get_variable, &gv_info, gv_info.devname, regexpr, numexpr); @@ -931,8 +1037,8 @@ 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_DEVFSD_VERBOSE - if ( !copy_inode (destination, &dest_stat, new_mode, source, &source_stat) ) +#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); @@ -940,8 +1046,7 @@ static void action_copy (const struct devfsd_notify_struct *info, return; } /* End Function action_copy */ -static void action_compat (const struct devfsd_notify_struct *info, - unsigned int action) +static void action_compat (const struct devfsd_notify_struct *info, unsigned int action) /* [SUMMARY] Process a compatibility request. <info> The devfs change. <action> The action to take. @@ -950,12 +1055,23 @@ static void action_compat (const struct devfsd_notify_struct *info, { const char *compat_name = NULL; const char *dest_name = info->devname; - char *ptr; + char *ptr=NULL; char compat_buf[STRING_LENGTH], dest_buf[STRING_LENGTH]; - -#ifdef CONFIG_DEVFSD_DEBUG - msg_logger( NO_DIE, LOG_INFO, "action_compat()\n"); -#endif + int mode, host, bus, target, lun; + unsigned int i; + char rewind_; + /* 1 to 5 "scsi/" , 6 to 9 "ide/host" */ + const char *fmt[] = { NULL , + "sg/c%db%dt%du%d", /* scsi/generic */ + "sd/c%db%dt%du%d", /* scsi/disc */ + "sr/c%db%dt%du%d", /* scsi/cd */ + "sd/c%db%dt%du%dp%d", /* scsi/part */ + "st/c%db%dt%du%dm%d%c", /* scsi/mt */ + "ide/hd/c%db%dt%du%d", /* ide/host/disc */ + "ide/cd/c%db%dt%du%d", /* ide/host/cd */ + "ide/hd/c%db%dt%du%dp%d", /* ide/host/part */ + "ide/mt/c%db%dt%du%d%s", /* ide/host/mt */ + NULL }; /* First construct compatibility name */ switch (action) @@ -966,80 +1082,58 @@ static void action_compat (const struct devfsd_notify_struct *info, break; case AC_MKNEWCOMPAT: case AC_RMNEWCOMPAT: - if (strncmp (info->devname, "scsi/", 5) == 0) - { - int mode, host, bus, target, lun; + ptr = strrchr (info->devname, '/') + 1; + i=scan_dev_name(info->devname, info->namelen, ptr); - sscanf (info->devname + 5, "host%d/bus%d/target%d/lun%d/", - &host, &bus, &target, &lun); - compat_name = compat_buf; - snprintf (dest_buf, sizeof (dest_buf), "../%s", info->devname); +#ifdef CONFIG_DEBUG + msg_logger( NO_DIE, LOG_INFO, "action_compat(): scan_dev_name() returned %d\n", i); +#endif + + /* nothing found */ + if(i==0 || i > 9) + return; + + sscanf (info->devname +((i<6)?5:4), "host%d/bus%d/target%d/lun%d/", &host, &bus, &target, &lun); + snprintf (dest_buf, sizeof (dest_buf), "../%s", info->devname + ((i>5)?4:0)); dest_name = dest_buf; - if (strncmp (ptr = (strrchr (info->devname, '/') + 1), "mt", 2)== 0) - { - char rewind_ = info->devname[info->namelen - 1]; + compat_name = compat_buf; + + /* 1 == scsi/generic 2 == scsi/disc 3 == scsi/cd 6 == ide/host/disc 7 == ide/host/cd */ + if( i == 1 || i == 2 || i == 3 || i == 6 || i ==7 ) + sprintf ( compat_buf, fmt[i], host, bus, target, lun); + + /* 4 == scsi/part 8 == ide/host/part */ + if( i == 4 || i == 8) + sprintf ( compat_buf, fmt[i], host, bus, target, lun, atoi (ptr + 4) ); + + /* 5 == scsi/mt */ + if( i == 5) + { + rewind_ = info->devname[info->namelen - 1]; if (rewind_ != 'n') rewind_ = '\0'; - - switch (ptr[2]) - { - default: - mode = 0; - break; - case 'l': - mode = 1; - break; - case 'm': - mode = 2; - break; - case 'a': - mode = 3; - break; - } - sprintf (compat_buf, "st/c%db%dt%du%dm%d%c", host, bus, target, lun, mode, rewind_); + mode=0; + if(ptr[2] == 'l' /*108*/ || ptr[2] == 'm'/*109*/) + mode = ptr[2] - 107; /* 1 or 2 */ + if(ptr[2] == 'a') + mode = 3; + sprintf (compat_buf, fmt [i], host, bus, target, lun, mode, rewind_); } - else if (strcmp (info->devname + info->namelen - 7,"generic") == 0) - sprintf (compat_buf, "sg/c%db%dt%du%d", - host, bus, target, lun); - else if (strcmp (info->devname + info->namelen - 2, "cd") == 0) - sprintf (compat_buf, "sr/c%db%dt%du%d", - host, bus, target, lun); - else if (strcmp (info->devname + info->namelen - 4, "disc") == 0) - sprintf (compat_buf, "sd/c%db%dt%du%d", - host, bus, target, lun); - else if (strncmp (ptr = (strrchr (info->devname, '/') + 1), "part", 4) == 0) - sprintf ( compat_buf, "sd/c%db%dt%du%dp%d", - host, bus, target, lun, atoi (ptr + 4) ); - else compat_name = NULL; - } - else if (strncmp (info->devname, "ide/host", 8) == 0) - { - int host, bus, target, lun; - sscanf (info->devname + 4, "host%d/bus%d/target%d/lun%d/", - &host, &bus, &target, &lun); - compat_name = compat_buf; - snprintf (dest_buf, sizeof (dest_buf), "../%s", info->devname + 4); - dest_name = dest_buf; - if (strcmp (info->devname + info->namelen - 4, "disc") == 0) - sprintf (compat_buf, "ide/hd/c%db%dt%du%d", - host, bus, target, lun); - else if (strncmp (ptr = (strrchr (info->devname, '/') + 1), "part", 4) == 0) - sprintf ( compat_buf, "ide/hd/c%db%dt%du%dp%d", - host, bus, target, lun, atoi (ptr + 4) ); - else if (strcmp (info->devname + info->namelen - 2, "cd") == 0) - sprintf (compat_buf, "ide/cd/c%db%dt%du%d", - host, bus, target,lun); - else if (strncmp (ptr = (strrchr (info->devname, '/') + 1), "mt", 2) == 0) - snprintf (compat_buf, sizeof (compat_buf), "ide/mt/c%db%dt%du%d%s", - host, bus, target, lun, ptr + 2); - else compat_name = NULL; - } - break; - } - if (compat_name == NULL) + /* 9 == ide/host/mt */ + if( i == 9 ) + snprintf (compat_buf, sizeof (compat_buf), fmt[i], host, bus, target, lun, ptr + 2); + /* esac */ + } /* switch(action) */ + + if(compat_name == NULL ) return; + +#ifdef CONFIG_DEBUG + msg_logger( NO_DIE, LOG_INFO, "action_compat(): %s\n", compat_name); +#endif + /* Now decide what to do with it */ switch (action) { @@ -1049,14 +1143,15 @@ static void action_compat (const struct devfsd_notify_struct *info, break; case AC_RMOLDCOMPAT: case AC_RMNEWCOMPAT: -#ifdef CONFIG_DEVFSD_VERBOSE +#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 break; - } + /*esac*/ + } /* switch(action) */ } /* End Function action_compat */ static void restore(char *spath, struct stat source_stat, int rootlen) @@ -1064,7 +1159,7 @@ static void restore(char *spath, struct stat source_stat, int rootlen) char dpath[STRING_LENGTH]; struct stat dest_stat; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "restore()\n"); #endif @@ -1092,8 +1187,13 @@ static int copy_inode (const char *destpath, const struct stat *dest_stat, [RETURNS] TRUE on success, else FALSE. */ { + int source_len, dest_len; + char source_link[STRING_LENGTH], dest_link[STRING_LENGTH]; + int fd, val; + struct sockaddr_un un_addr; + char symlink_val[STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "copy_inode()\n"); #endif @@ -1102,10 +1202,6 @@ static int copy_inode (const char *destpath, const struct stat *dest_stat, /* Same type */ if ( S_ISLNK (source_stat->st_mode) ) { - int source_len, dest_len; - char source_link[STRING_LENGTH], dest_link[STRING_LENGTH]; - - if (( source_len = readlink (sourcepath, source_link, STRING_LENGTH - 1) ) < 0 || ( dest_len = readlink (destpath , dest_link , STRING_LENGTH - 1) ) < 0 ) return (FALSE); @@ -1126,10 +1222,6 @@ static int copy_inode (const char *destpath, const struct stat *dest_stat, unlink (destpath); switch (source_stat->st_mode & S_IFMT) { - int fd, val; - struct sockaddr_un un_addr; - char symlink_val[STRING_LENGTH]; - case S_IFSOCK: if ( ( fd = socket (AF_UNIX, SOCK_STREAM, 0) ) < 0 ) break; @@ -1179,7 +1271,7 @@ static void free_config () struct config_entry_struct *c_entry; void *next; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "free_config()\n"); #endif @@ -1213,9 +1305,11 @@ 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_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "get_uid_gid()\n"); @@ -1231,10 +1325,12 @@ 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 msg="group"; msg_logger( NO_DIE, LOG_ERR,"unknown %s: %s, defaulting to %cID=0\n", msg, string, msg[0] - 32); +#endif return (0); }/* End Function get_uid_gid */ @@ -1246,14 +1342,18 @@ static mode_t get_mode (const char *string) { mode_t mode; int i; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "get_mode()\n"); #endif 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 mode = 0; i= S_IRUSR; while(i>0) @@ -1268,7 +1368,7 @@ static mode_t get_mode (const char *string) static void signal_handler (int sig) { -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "signal_handler()\n"); #endif @@ -1284,48 +1384,53 @@ static const char *get_variable (const char *variable, void *info) { struct get_variable_info *gv_info = info; static char hostname[STRING_LENGTH], sbuf[STRING_LENGTH]; - -#ifdef CONFIG_DEVFSD_DEBUG + const char *field_names[] = { "hostname", "mntpt", "devpath", "devname", + "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 if (gethostname (hostname, STRING_LENGTH - 1) != 0) +#ifdef CONFIG_DEVFSD_VERBOSE msg_logger( DIE, LOG_ERR, "gethostname(): %m\n"); +#else + exit(EXIT_FAILURE); +#endif /* Here on error we should do exit(RV_SYS_ERROR), instead we do exit(EXIT_FAILURE) */ - hostname[STRING_LENGTH - 1] = '\0'; - if (strcmp (variable, "hostname") == 0) - return (hostname); - if (strcmp (variable, "mntpnt") == 0) - return (mount_point); - if (gv_info == NULL) - return (NULL); - if (strcmp (variable, "devpath") == 0) - return (gv_info->devpath); - if (strcmp (variable, "devname") == 0) - return (gv_info->devname); - if (strcmp (variable, "mode") == 0) + hostname[STRING_LENGTH - 1] = '\0'; + + /* compare_string_array returns i>=0 */ + i=compare_string_array(field_names, variable); + + if ( i > 6 && (i > 1 && gv_info == NULL)) + return (NULL); + if( i >= 0 || i <= 3) { - sprintf (sbuf, "%o", gv_info->info->mode); - return (sbuf); +#ifdef CONFIG_DEBUG + msg_logger( NO_DIE, LOG_INFO, "get_variable(): i=%d %s\n",i ,field_names[i+7]); +#endif + return(field_names[i+7]); } - if (strcmp (variable, "uid") == 0) - { + + if(i == 4 ) sprintf (sbuf, "%u", gv_info->info->uid); - return (sbuf); - } - if (strcmp (variable, "gid") == 0) - { + else if(i == 5) sprintf (sbuf, "%u", gv_info->info->gid); - return (sbuf); - } - return (NULL); + 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 + return (sbuf); } /* End Function get_variable */ static void service(struct stat statbuf, char *path) { struct devfsd_notify_struct info; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "service()\n"); #endif @@ -1358,26 +1463,31 @@ static void dir_operation(int type, const char * dir_name, int var, unsigned lon char path[STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "dir_operation()\n"); #endif if((dp = opendir( dir_name))==NULL) { +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_ERR, "opendir(): %s: %m\n", dir_name); +#endif return; } while ( (de = readdir (dp) ) != NULL ) { - if ( (strcmp (de->d_name, ".") == 0) || (strcmp (de->d_name, "..") == 0) ) + 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%s", dir_name,(last_char_is(dir_name,'/')==NULL)?"/":"", de->d_name); + 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 if (lstat (path, &statbuf) != 0) { -#ifdef CONFIG_DEVFSD_VERBOSE +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_ERR, "%s: %m\n", path); #endif continue; @@ -1405,7 +1515,7 @@ static int mksymlink (const char *oldpath, const char *newpath) [RETURNS] 0 on success, else -1. */ { -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "mksymlink()\n", newpath); #endif @@ -1415,11 +1525,13 @@ static int mksymlink (const char *oldpath, const char *newpath) if (symlink (oldpath, newpath) != 0) { -#ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_ERR, "symlink(): %s to %s: %m\n", oldpath, newpath); -#endif if (errno != EEXIST) + { +#ifdef CONFIG_DEBUG + msg_logger( NO_DIE, LOG_ERR, "mksymlink(): %s to %s: %m\n", oldpath, newpath); +#endif return (-1); + } } return (0); } /* End Function mksymlink */ @@ -1431,12 +1543,12 @@ static int make_dir_tree (const char *path) [RETURNS] TRUE on success, else FALSE. */ { -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "make_dir_tree()\n"); #endif if (bb_make_directory( dirname((char *)path), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH ,FILEUTILS_RECUR )==-1) { -#ifdef CONFIG_DEVFSD_VERBOSE +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_ERR, "make_dir_tree(): %s: %m\n", path); #endif return (FALSE); @@ -1467,7 +1579,7 @@ static int expand_expression(char *output, unsigned int outsize, { char temp[STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "expand_expression()\n"); #endif @@ -1498,7 +1610,7 @@ static void expand_regexp (char *output, size_t outsize, const char *input, const char last_exp = '0' - 1 + numex; int c = -1; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "expand_regexp()\n"); #endif @@ -1597,14 +1709,35 @@ const char *get_old_name (const char *devname, unsigned int namelen, const char *compat_name = NULL; char *ptr; struct translate_struct *trans; - -#ifdef CONFIG_DEVFSD_DEBUG + unsigned int i; + char mode; + int indexx; + const char *pty1; + const char *pty2; + size_t len; + /* 1 to 5 "scsi/" , 6 to 9 "ide/host", 10 sbp/, 11 vcc/, 12 pty/ */ + const char *fmt[] = { NULL , + "sg%u", /* scsi/generic */ + NULL, /* scsi/disc */ + "sr%u", /* scsi/cd */ + NULL, /* scsi/part */ + "nst%u%c", /* scsi/mt */ + "hd%c" , /* ide/host/disc */ + "hd%c" , /* ide/host/cd */ + "hd%c%s", /* ide/host/part */ + "%sht%d", /* ide/host/mt */ + "sbpcd%u", /* sbp/ */ + "vcs%s", /* vcc/ */ + "%cty%c%c", /* pty/ */ + NULL }; + +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "get_old_name()\n"); #endif for (trans = translate_table; trans->match != NULL; ++trans) { - size_t len = strlen (trans->match); + len = strlen (trans->match); if (strncmp (devname, trans->match, len) == 0) { @@ -1614,80 +1747,64 @@ const char *get_old_name (const char *devname, unsigned int namelen, return (buffer); } } - if (strncmp (devname, "sbp/", 4) == 0) - { - sprintf (buffer, "sbpcd%u", minor); + + ptr = (strrchr (devname, '/') + 1); + i = scan_dev_name(devname, namelen, ptr); + + if( i > 0 && i < 13) 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 + + /* 1 == scsi/generic, 3 == scsi/cd, 10 == sbp/ */ + if( i == 1 || i == 3 || i == 10 ) + sprintf (buffer, fmt[i], minor); + + /* 2 ==scsi/disc, 4 == scsi/part */ + if( i == 2 || i == 4) + compat_name = write_old_sd_name (buffer, major, minor,((i == 2)?"":(ptr + 4))); + + /* 5 == scsi/mt */ + if( i == 5) + { + mode = ptr[2]; + if (mode == 'n') + mode = '\0'; + sprintf (buffer, fmt[i], minor & 0x1f, mode); + if (devname[namelen - 1] != 'n') + ++compat_name; } - else if (strncmp (devname, "scsi/", 5) == 0) - { /* All SCSI devices */ - if (strcmp (devname + namelen - 7, "generic") == 0) - { - sprintf (buffer, "sg%u", minor); - compat_name = buffer; - } - else if (strncmp (ptr = (strrchr (devname, '/') + 1), "mt", 2) == 0) - { - char mode = ptr[2]; - - if (mode == 'n') - mode = '\0'; - sprintf (buffer, "nst%u%c", minor & 0x1f, mode); - compat_name = buffer; - if (devname[namelen - 1] != 'n') - ++compat_name; - } - else if (strcmp (devname + namelen - 2, "cd") == 0) - { - sprintf (buffer, "sr%u", minor); - compat_name = buffer; - } - else if (strcmp (devname + namelen - 4, "disc") == 0) - compat_name = write_old_sd_name (buffer, major, minor, ""); - else if (strncmp (ptr = (strrchr (devname, '/') + 1), "part", 4) == 0) - compat_name = write_old_sd_name (buffer, major, minor, ptr + 4); - return (compat_name); - } - else if (strncmp (devname, "ide/host", 8) == 0) - { /* All IDE devices */ - if (strncmp (ptr = (strrchr (devname, '/') + 1), "mt", 2) == 0) - { - sprintf (buffer, "%sht%d", ptr + 2, minor & 0x7f); - compat_name = buffer; - } - else if (strcmp (devname + namelen - 4, "disc") == 0) - { - sprintf ( buffer, "hd%c", get_old_ide_name (major, minor) ); - compat_name = buffer; - } - else if (strncmp (ptr = (strrchr (devname, '/') + 1), "part", 4) == 0) - { - sprintf (buffer, "hd%c%s", get_old_ide_name (major, minor), ptr + 4); - compat_name = buffer; - } - else if (strcmp (devname + namelen - 2, "cd") == 0) - { - sprintf ( buffer, "hd%c", get_old_ide_name (major, minor) ); - compat_name = buffer; - } - return (compat_name); - } - else if (strncmp (devname, "vcc/", 4) == 0) + /* 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 */ + + /* 9 == ide/host/mt */ + if( i == 9 ) + sprintf (buffer, fmt[i], ptr + 2, minor & 0x7f); + + /* 11 == vcc/ */ + if( i == 11 ) { - sprintf (buffer, "vcs%s", devname + 4); + sprintf (buffer, fmt[i], devname + 4); if (buffer[3] == '0') buffer[3] = '\0'; - compat_name = buffer; } - else if (strncmp (devname, "pty/", 4) == 0) + /* 12 == pty/ */ + if( i == 12 ) { - int indexx = atoi (devname + 5); - const char *pty1 = "pqrstuvwxyzabcde"; - const char *pty2 = "0123456789abcdef"; - - sprintf (buffer, "%cty%c%c", (devname[4] == 'm') ? 'p' : 't', pty1[indexx >> 4], pty2[indexx & 0x0f]); - compat_name = buffer; + pty1 = "pqrstuvwxyzabcde"; + pty2 = "0123456789abcdef"; + 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 return (compat_name); } /* End Function get_old_name */ @@ -1702,7 +1819,7 @@ static char get_old_ide_name (unsigned int major, unsigned int minor) char c='a'; /* 97 */ int i=IDE0_MAJOR; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "get_old_ide_name()\n"); #endif @@ -1741,7 +1858,7 @@ static char *write_old_sd_name (char *buffer, { unsigned int disc_index; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "write_old_sd_name()\n"); #endif @@ -1790,7 +1907,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, struct passwd *pwent; char buffer[BUFFER_SIZE], tmp[STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "st_expr_expand()\n"); #endif @@ -1837,7 +1954,7 @@ int st_expr_expand (char *output, unsigned int length, const char *input, if ( ( pwent = getpwnam (tmp) ) == NULL ) { #ifdef CONFIG_DEVFSD_VERBOSE - msg_logger( NO_DIE, LOG_INFO, "getpwnam(): %s\n", tmp); + msg_logger( NO_DIE, LOG_INFO, "no pwent for: %s\n", tmp); #endif return (FALSE); } @@ -1897,7 +2014,7 @@ static const char *expand_variable (char *buffer, unsigned int length, const char *env, *ptr; char tmp[STRING_LENGTH]; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "expand_variable()\n"); #endif @@ -2049,7 +2166,7 @@ static const char *get_variable_v2 (const char *variable, { const char *value; -#ifdef CONFIG_DEVFSD_DEBUG +#ifdef CONFIG_DEBUG msg_logger( NO_DIE, LOG_INFO, "get_variable_v2()\n"); #endif |