+/* vi: set sw=4 ts=4: */
+/*
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
/*
devfsd implementation for busybox
Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
*/
-#include "libbb.h"
#include "busybox.h"
+#include "xregex.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
-#include <sys/time.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <syslog.h>
#include <signal.h>
-#include <regex.h>
#include <errno.h>
#include <sys/sysmacros.h>
#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
#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 */
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
#define STRING_LENGTH 255
#define UID 0
#define GID 1
-/* for msg_logger(), do_ioctl(),
- fork_and_execute() and xopendir(). */
-# define DIE 1
+/* fork_and_execute() */
+# define DIE 1
# define NO_DIE 0
+/* for dir_operation() */
+#define RESTORE 0
+#define SERVICE 1
+#define READ_CONFIG 2
+
/* Update only after changing code to reflect new protocol */
#define DEVFSD_PROTOCOL_REVISION_DAEMON 5
#endif
#define AC_PERMISSIONS 0
-#define AC_MODLOAD 1 /* not supported by busybox */
+#define AC_MODLOAD 1
#define AC_EXECUTE 2
#define AC_MFUNCTION 3 /* not supported by busybox */
#define AC_CFUNCTION 4 /* not supported by busybox */
-#define AC_COPY 5
+#define AC_COPY 5
#define AC_IGNORE 6
#define AC_MKOLDCOMPAT 7
#define AC_MKNEWCOMPAT 8
#define AC_RMNEWCOMPAT 10
#define AC_RESTORE 11
-
struct permissions_type
{
mode_t mode;
char devpath[STRING_LENGTH];
};
+static void dir_operation(int , const char * , int, unsigned long* );
+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 *);
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);
+static void action_modload (const struct devfsd_notify_struct *info, const struct config_entry_struct *entry);
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);
static void free_config (void);
-static void do_restore (const char *, int);
+static void restore(char *spath, struct stat source_stat, int rootlen);
static int copy_inode (const char *, const struct stat *, mode_t, const char *, const struct stat *);
static mode_t get_mode (const char *);
static void signal_handler (int);
static const char *get_variable (const char *, void *);
-static void do_scan_and_service (const char *);
static int make_dir_tree (const char *);
static int expand_expression(char *, unsigned, const char *, const char *(*)(const char *, void *), void *,
const char *, const regmatch_t *, unsigned );
static char *write_old_sd_name (char *, unsigned, unsigned, char *);
/* busybox functions */
-static void msg_logger(int die, int pri, const char * fmt, ... );
-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 );
-DIR * xopendir(int die, const char * dir_name);
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;
{0xffffffff, NULL}
};
-/* busybox functions and messages */
+/* Busybox messages */
-extern void xregcomp(regex_t * preg, const char *regex, int cflags);
+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";
-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_small_buffer = "buffer too small\n";
-const char * const bb_msg_variable_not_found= "variable: %s not found\n";
-#endif
-
-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)
- {
- openlog(bb_applet_name, 0, LOG_DAEMON);
- vsyslog( pri , fmt , ap);
+ ret = access ("/dev/log", F_OK);
+ if (ret == 0) {
+ openlog(applet_name, 0, LOG_DAEMON);
+ vsyslog( pri , fmt, ap);
+ /* Man: A trailing newline is added when needed. */
closelog();
- }
-#ifndef CONFIG_DEVFSD_VERBOSE
- 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);
}
+static void msg_logger_and_die(int pri, const char* fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ msg_logger(pri, fmt, ap);
+ va_end(ap);
+ exit(EXIT_FAILURE);
+}
-static void do_ioctl(int die, int fd, int request, unsigned long event_mask_flag)
+/* 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
+#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) != 0)
- msg_logger(die, LOG_ERR, "ioctl() failed: %m\n");
+ 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 )
break;
case -1:
/* Parent: Error : die or return */
- msg_logger(die, LOG_ERR,(char *) bb_msg_memory_exhausted);
+ msg_logger(LOG_ERR,(char *) bb_msg_memory_exhausted);
+ if(die)
+ exit(EXIT_FAILURE);
return;
default:
/* Parent : ok : return or exit */
if(arg0 != NULL )
{
execvp (arg0, arg);
- msg_logger(DIE, LOG_ERR, "execvp() failed: %s: %m\n", arg0);
+ msg_logger_and_die(LOG_ERR, "execvp");
}
}
-
-DIR * xopendir(int die, const char * dir_name)
+static void safe_memcpy( char *dest, const char *src, int len)
{
- DIR *dp;
+ memcpy (dest , src , len );
+ dest[len] = '\0';
+}
- if ( ( dp = opendir (dir_name) ) == NULL )
- msg_logger( die, LOG_ERR, "opendir() failed: %s: %m\n", dir_name);
- /* if die == DIE not reached else return NULL */
- return dp;
+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 void safe_memcpy( char *dest, const char *src, int len)
+static unsigned int scan_dev_name(const char *d, unsigned int n, char *ptr)
{
- memcpy (dest , src , len );
- dest[len] = '\0';
+ 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 print_version = FALSE;
int do_daemon = TRUE;
int no_polling = FALSE;
+ int do_scan;
int fd, proto_rev, count;
unsigned long event_mask = 0;
struct sigaction new_action;
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;
+ else if(ENABLE_DEVFSD_FG_NP && argv[count][1]=='f'
+ && argv[count][2]=='g' && !argv[count][3]) /* -fg */
+ do_daemon = FALSE;
+ else if(ENABLE_DEVFSD_FG_NP && argv[count][1]=='n'
+ && argv[count][2]=='p' && !argv[count][3]) /* -np */
+ no_polling = TRUE;
+ 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)
- bb_error_msg_and_die( " %s: %m", mount_point);
+ devfsd_perror_msg_and_die(mount_point);
- fd = bb_xopen (".devfsd", O_RDONLY);
+ fd = xopen (".devfsd", O_RDONLY);
if (fcntl (fd, F_SETFD, FD_CLOEXEC) != 0)
- bb_error_msg( "FD_CLOEXEC");
+ devfsd_perror_msg_and_die("FD_CLOEXEC");
- do_ioctl(DIE, fd, DEVFSDIOC_GET_PROTO_REV,(int )&proto_rev);
+ if (ioctl (fd, DEVFSDIOC_GET_PROTO_REV, &proto_rev) == -1)
+ msg_logger_and_die(LOG_ERR, "ioctl");
/*setup initial entries */
for (curr = initial_symlinks; curr->dest != NULL; ++curr)
if ( print_version || (DEVFSD_PROTOCOL_REVISION_DAEMON != proto_rev) )
{
- bb_printf( "%s v%s\nDaemon %s:\t%d\nKernel-side %s:\t%d\n",
- bb_applet_name,DEVFSD_VERSION,bb_msg_proto_rev,
- DEVFSD_PROTOCOL_REVISION_DAEMON,bb_msg_proto_rev, proto_rev);
+ printf( "%s v%s\nDaemon %s:\t%d\nKernel-side %s:\t%d\n",
+ applet_name,DEVFSD_VERSION,bb_msg_proto_rev,
+ DEVFSD_PROTOCOL_REVISION_DAEMON,bb_msg_proto_rev, proto_rev);
if (DEVFSD_PROTOCOL_REVISION_DAEMON != proto_rev)
bb_error_msg_and_die( "%s mismatch!",bb_msg_proto_rev);
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;
/* 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 )
- bb_error_msg_and_die( "sigaction()");
+ devfsd_error_msg_and_die( "sigaction");
- bb_printf("%s v%s started for %s\n",bb_applet_name, DEVFSD_VERSION, mount_point);
+ printf("%s v%s started for %s\n",applet_name, DEVFSD_VERSION, mount_point);
- /* Set umask so that mknod(2), open(2) and mkdir(2) have complete control over permissions */
+ /* Set umask so that mknod(2), open(2) and mkdir(2) have complete control over permissions */
umask (0);
read_config_file (CONFIG_FILE, FALSE, &event_mask);
/* Do the scan before forking, so that boot scripts see the finished product */
- do_scan_and_service (mount_point);
- if (no_polling)
+ dir_operation(SERVICE,mount_point,0,NULL);
+
+ if (ENABLE_DEVFSD_FG_NP && no_polling)
exit (0);
if (do_daemon)
{
/* 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 */
- }
- else
+ } else if(ENABLE_DEVFSD_FG_NP) {
setpgid (0, 0); /* Become process group leader */
+ }
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);
if (do_scan)
- do_scan_and_service (mount_point);
+ dir_operation(SERVICE,mount_point,0,NULL);
}
} /* End Function main */
/* 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).
struct stat statbuf;
FILE *fp;
char buf[STRING_LENGTH];
+ char *line=NULL;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "read_config_file()\n");
-#endif
-
- if (stat (path, &statbuf) != 0 || statbuf.st_size == 0 )
- msg_logger((optional == 0 )? DIE : NO_DIE, LOG_ERR, " %s: %m\n", path);
+ debug_msg_logger(LOG_INFO, "%s: %s", __FUNCTION__, path);
- if ( S_ISDIR (statbuf.st_mode) )
+ if (stat (path, &statbuf) == 0 )
{
-
- DIR *dp;
- struct dirent *de;
-
- dp = xopendir(DIE, path);
-
- while ( ( de = readdir (dp) ) != NULL )
+ /* Don't read 0 length files: ignored */
+ /*if( statbuf.st_size == 0 )
+ return;*/
+ if ( S_ISDIR (statbuf.st_mode) )
{
- char fname[STRING_LENGTH];
+ /* 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';
- if (de->d_name[0] == '.')
- continue;
- snprintf (fname, STRING_LENGTH, "%s/%s", path, de->d_name);
- read_config_file (fname, optional, event_mask);
+ dir_operation(READ_CONFIG, path, 0, event_mask);
+ return;
}
- closedir (dp);
- return;
- }
-
- if ( ( fp = fopen (path, "r") ) != NULL )
- {
- while (fgets (buf, STRING_LENGTH, fp) != NULL)
+ if ( ( fp = fopen (path, "r") ) != NULL )
{
- char *line;
-
- buf[strlen (buf) - 1] = '\0';
- /* Skip whitespace */
- for (line = buf; isspace (*line); ++line)
- /*VOID*/;
- if (line[0] == '\0' || line[0] == '#' )
- continue;
- process_config_line (line, event_mask);
+ while (fgets (buf, STRING_LENGTH, fp) != NULL)
+ {
+ /* Skip whitespace */
+ for (line = buf; isspace (*line); ++line)
+ /*VOID*/;
+ if (line[0] == '\0' || line[0] == '#' )
+ continue;
+ process_config_line (line, event_mask);
+ }
+ fclose (fp);
+ } else {
+ goto read_config_file_err;
}
- fclose (fp);
-#ifdef CONFIG_DEVFSD_VERBOSE
- msg_logger( NO_DIE, LOG_INFO, "read config file: %s\n", path);
-#endif
- return;
+ } else {
+read_config_file_err:
+ if(optional == 0 && errno == ENOENT)
+ msg_logger_and_die(LOG_ERR, "read config file: %s: %m", path);
}
- msg_logger(( (optional == 0) && (errno == ENOENT) )? DIE : NO_DIE, LOG_ERR, " %s: %m\n", path);
+ return;
} /* End Function read_config_file */
static void process_config_line (const char *line, unsigned long *event_mask)
char when[STRING_LENGTH], what[STRING_LENGTH];
char name[STRING_LENGTH];
char * msg="";
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "process_config_line()\n");
-#endif
+ char *ptr;
+ int i;
+
+ /* !!!! Only Uppercase Keywords in devsfd.conf */
+ static const char *const options[] = {
+ "CLEAR_CONFIG", "INCLUDE", "OPTIONAL_INCLUDE",
+ "RESTORE", "PERMISSIONS", "MODLOAD", "EXECUTE",
+ "COPY", "IGNORE", "MKOLDCOMPAT", "MKNEWCOMPAT",
+ "RMOLDCOMPAT", "RMNEWCOMPAT", 0
+ };
+
+ 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",
when, name, what,
p[0], p[1], p[2], p[3], p[4], p[5], p[6]);
- if (strcasecmp (when, "CLEAR_CONFIG") == 0)
+
+ i = index_in_str_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 );
+ 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;
}
- if (strcasecmp (when, "RESTORE") == 0)
+ /* "RESTORE" */
+ if( i == 3)
{
- do_restore ( name, strlen (name) );
+ dir_operation(RESTORE,name, strlen (name),NULL);
return;
}
if (num_args < 3)
goto process_config_line_err;
}
- if (strcasecmp (what, "PERMISSIONS") == 0)
- {
- char *ptr;
+ i = index_in_str_array(options, what );
- 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]);
- }
- else if (strcasecmp (what, "EXECUTE") == 0)
+ switch(i)
{
- 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 */
+ 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"*/
+ }
- 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;
- }
+ *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;
+ 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.*/
+ if (ENABLE_DEVFSD_MODLOAD)
+ new->action.what = AC_MODLOAD;
+ break;
+ case 6: /* EXECUTE */
+ new->action.what = AC_EXECUTE;
+ num_args -= 3;
+
+ for (count = 0; count < num_args; ++count)
+ new->u.execute.argv[count] = xstrdup (p[count]);
+
+ 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 = xstrdup (p[0]);
+ new->u.copy.destination = 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);
last_config = new;
return;
process_config_line_err:
- msg_logger( DIE, LOG_ERR, bb_msg_bad_config, msg , line);
+ 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)
struct devfsd_notify_struct info;
unsigned long tmp_event_mask;
-#ifdef CONFIG_DEVFSD_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;
- /* May need to trap inode creates to watch for syslogd(8) starting */
- /*if (!syslog_is_open && !no_syslog)
- {
- tmp_event_mask |= 1 << DEVFSD_NOTIFY_CREATE; *//*FIXME I'm not sure if this line is needed. TITO */
- /*}*/
- 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;
continue; /* Yes, the order is important */
if (bytes < 1)
break;
- /* Special trap for "/dev/log" creation */
- /* Open syslog, now that "/dev/log" exists */
- /*if (!syslog_is_open && !no_syslog &&
- (info.type == DEVFSD_NOTIFY_CREATE) &&(strcmp (info.devname, "log") == 0) )
- {
- do_open_syslog ();
- do_ioctl(DIE, fd, DEVFSDIOC_SET_EVENT_MASK, event_mask);*/ /*FIXME I'm not sure if this line is needed. TITO */
- /*}*/
service_name (&info);
}
if (caught_signal)
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(1);
+ 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)
regmatch_t mbuf[MAX_SUBEXPR];
struct config_entry_struct *entry;
-#ifdef CONFIG_DEVFSD_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
+ 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 &&
- (( (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]=='t' &&
+ info->devname[4]=='c' && info->devname[5]=='t' &&
+ info->devname[6]=='l' && !info->devname[7])))
return;
for (entry = first_config; entry != NULL; entry = entry->next)
{
continue;
for (n = 0; (n < MAX_SUBEXPR) && (mbuf[n].rm_so != -1); ++n)
/* VOID */;
+
+ debug_msg_logger(LOG_INFO, "%s: action.what %d", __FUNCTION__, entry->action.what);
+
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;
+ case AC_MODLOAD:
+ if(ENABLE_DEVFSD_MODLOAD)
+ action_modload (info, entry);
+ break;
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:
- msg_logger( DIE, LOG_ERR, "Unknown action\n");
- /*break;*/
+ msg_logger_and_die(LOG_ERR, "Unknown action");
}
}
} /* End Function service_name */
{
struct stat statbuf;
-#ifdef CONFIG_DEVFSD_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() error for: %s: %m\n",info->devname);
-#endif
- return;
+ msg_logger(LOG_ERR, "Can't chmod or chown: %s: %m",info->devname);
}
-
} /* End Function action_permissions */
+static void action_modload (const struct devfsd_notify_struct *info,
+ const struct config_entry_struct *entry ATTRIBUTE_UNUSED)
+/* [SUMMARY] Load a module.
+ <info> The devfs change.
+ <entry> The config file entry.
+ [RETURNS] Nothing.
+*/
+{
+ char *argv[6];
+ char device[STRING_LENGTH];
+
+ argv[0] = MODPROBE;
+ argv[1] = MODPROBE_SWITCH_1; /* "-k" */
+ argv[2] = MODPROBE_SWITCH_2; /* "-C" */
+ argv[3] = CONFIG_MODULES_DEVFS;
+ argv[4] = device;
+ argv[5] = NULL;
+
+ snprintf (device, sizeof (device), "/dev/%s", info->devname);
+ 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 */
+
static void action_execute (const struct devfsd_notify_struct *info,
const struct config_entry_struct *entry,
const regmatch_t *regexpr, unsigned int numexpr)
char *argv[MAX_ARGS + 1];
char largv[MAX_ARGS + 1][STRING_LENGTH];
-#ifdef CONFIG_DEVFSD_DEBUG
- int i;
- char buff[1024];
-
- msg_logger( NO_DIE, LOG_INFO, "action_execute()\n");
-#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);
argv[count] = largv[count];
}
argv[count] = NULL;
-
-#ifdef CONFIG_DEVFSD_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)
- 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 */
static void action_copy (const struct devfsd_notify_struct *info,
const struct config_entry_struct *entry,
- const regmatch_t *regexpr, unsigned int numexpr)
+ const regmatch_t *regexpr, unsigned int numexpr)
/* [SUMMARY] Copy permissions.
<info> The devfs change.
<entry> The config file entry.
struct get_variable_info gv_info;
struct stat source_stat, dest_stat;
char source[STRING_LENGTH], destination[STRING_LENGTH];
- dest_stat.st_mode = 0;
+ int ret = 0;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "action_copy()\n");
-#endif
+ 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;
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);
regexpr, numexpr);
if ( !make_dir_tree (destination) || lstat (source, &source_stat) != 0)
- goto action_copy_error;
-
+ return;
lstat (destination, &dest_stat);
new_mode = source_stat.st_mode & ~S_ISVTX;
if (info->type == DEVFSD_NOTIFY_CREATE)
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) )
-action_copy_error:
- msg_logger( NO_DIE, LOG_ERR, "error copying: %s to %s: %m\n", source, destination);
-#else
- copy_inode (destination, &dest_stat, new_mode, source,&source_stat);
-action_copy_error:
+ 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;
-#endif
} /* 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.
[RETURNS] Nothing.
*/
{
+ int ret;
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" */
+ static const char *const 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)
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);
+ debug_msg_logger(LOG_INFO, "%s: scan_dev_name = %d", __FUNCTION__, i);
+
+ /* 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;
+
+ debug_msg_logger( LOG_INFO, "%s: %s", __FUNCTION__, compat_name);
+
/* Now decide what to do with it */
switch (action)
{
break;
case AC_RMOLDCOMPAT:
case AC_RMNEWCOMPAT:
-#ifdef CONFIG_DEVFSD_VERBOSE
- 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) */
} /* End Function action_compat */
-static void do_restore (const char *dir_name, int rootlen)
-/* [SUMMARY] Restore state from a directory.
- <dir_name> The directory containing the backing store.
- <rootlen> The length of the root of the state directory hierarchy.
- [RETURNS] Nothing.
-*/
+static void restore(char *spath, struct stat source_stat, int rootlen)
{
- DIR *dp;
- struct dirent *de;
-
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "do_restore()\n");
-#endif
-
- if( (dp = xopendir(NO_DIE, dir_name))== NULL)
- return;
-
- while ( (de = readdir (dp) ) != NULL )
- {
- char spath[STRING_LENGTH], dpath[STRING_LENGTH];
+ char dpath[STRING_LENGTH];
+ struct stat dest_stat;
- struct stat source_stat, dest_stat;
- dest_stat.st_mode = 0;
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
- if ( (strcmp (de->d_name, ".") == 0) || (strcmp (de->d_name, "..") == 0) )
- continue;
-
- snprintf (spath, sizeof spath, "%s/%s", dir_name, de->d_name);
+ dest_stat.st_mode = 0;
+ snprintf (dpath, sizeof dpath, "%s%s", mount_point, spath + rootlen);
+ lstat (dpath, &dest_stat);
- if (lstat (spath, &source_stat) != 0)
- {
-#ifdef CONFIG_DEVFSD_VERBOSE
- msg_logger( NO_DIE, LOG_ERR, "%s: %m\n", spath);
-#endif
- continue;
- }
- snprintf (dpath, sizeof dpath, "%s%s", mount_point, spath + rootlen);
- lstat (dpath, &dest_stat);
+ if ( S_ISLNK (source_stat.st_mode) || (source_stat.st_mode & S_ISVTX) )
+ copy_inode (dpath, &dest_stat, (source_stat.st_mode & ~S_ISVTX) , spath, &source_stat);
- if ( S_ISLNK (source_stat.st_mode) || (source_stat.st_mode & S_ISVTX) )
- copy_inode (dpath, &dest_stat, (source_stat.st_mode & ~S_ISVTX) , spath, &source_stat);
+ if ( S_ISDIR (source_stat.st_mode) )
+ dir_operation(RESTORE, spath, rootlen,NULL);
+}
- if ( S_ISDIR (source_stat.st_mode) )
- do_restore (spath, rootlen);
- }
- closedir (dp);
-} /* End Function do_restore */
static int copy_inode (const char *destpath, const struct stat *dest_stat,
mode_t new_mode,
[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
- 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) )
{
/* 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);
source_link[source_len] = '\0';
- dest_link[dest_len] = '\0';
+ dest_link[dest_len] = '\0';
if ( (source_len != dest_len) || (strcmp (source_link, dest_link) != 0) )
{
unlink (destpath);
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;
close (fd);
if (val != 0 || chmod (destpath, new_mode & ~S_IFMT) != 0)
break;
- if (chown (destpath, source_stat->st_uid, source_stat->st_gid) == 0)
- return (TRUE);
- break;
+ goto do_chown;
case S_IFLNK:
if ( ( val = readlink (sourcepath, symlink_val, STRING_LENGTH - 1) ) < 0 )
break;
close (fd);
if (chmod (destpath, new_mode & ~S_IFMT) != 0)
break;
- if (chown (destpath, source_stat->st_uid, source_stat->st_gid) == 0)
- return (TRUE);
- break;
+ goto do_chown;
case S_IFBLK:
case S_IFCHR:
case S_IFIFO:
if (mknod (destpath, new_mode, source_stat->st_rdev) != 0)
break;
- if (chown (destpath, source_stat->st_uid, source_stat->st_gid) == 0)
- return (TRUE);
- break;
+ goto do_chown;
case S_IFDIR:
if (mkdir (destpath, new_mode & ~S_IFMT) != 0)
break;
+do_chown:
if (chown (destpath, source_stat->st_uid, source_stat->st_gid) == 0)
return (TRUE);
- return (TRUE);
/*break;*/
}
return (FALSE);
} /* End Function copy_inode */
-static void free_config ()
+static void free_config (void)
/* [SUMMARY] Free the configuration information.
[RETURNS] Nothing.
*/
struct config_entry_struct *c_entry;
void *next;
-#ifdef CONFIG_DEVFSD_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)
{
{
struct passwd *pw_ent;
struct group *grp_ent;
- char * msg_a="user";
- char * msg_b="U";
+ static char *msg;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "get_uid_gid()\n");
+ if (ENABLE_DEVFSD_VERBOSE)
+ msg="user";
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
- if(flag != UID && flag != GID )
- msg_logger( DIE, LOG_ERR,"flag != UID && flag != GID\n");
-#endif
+ 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);
if ( flag == GID && ( grp_ent = getgrnam (string) ) != NULL )
return (grp_ent->gr_gid);
- else
- {
- msg_a="group";
- msg_b="G";
- }
+ else if(ENABLE_DEVFSD_VERBOSE)
+ msg="group";
- msg_logger( NO_DIE, LOG_ERR,"unknown %s: %s, defaulting to %cID=0\n", msg_a, string, msg_b);
+ 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 */
*/
{
mode_t mode;
+ int i;
-#ifdef CONFIG_DEVFSD_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)
- msg_logger( DIE, LOG_ERR, "bad mode: %s\n", string);
+ msg_logger_and_die(LOG_ERR, "bad mode: %s", string);
+
mode = 0;
- if (string[0] == 'r') mode |= S_IRUSR;
- if (string[1] == 'w') mode |= S_IWUSR;
- if (string[2] == 'x') mode |= S_IXUSR;
- if (string[3] == 'r') mode |= S_IRGRP;
- if (string[4] == 'w') mode |= S_IWGRP;
- if (string[5] == 'x') mode |= S_IXGRP;
- if (string[6] == 'r') mode |= S_IROTH;
- if (string[7] == 'w') mode |= S_IWOTH;
- if (string[8] == 'x') mode |= S_IXOTH;
+ i= S_IRUSR;
+ while(i>0)
+ {
+ if(string[0]=='r'||string[0]=='w'||string[0]=='x')
+ mode+=i;
+ i=i/2;
+ string++;
+ }
return (mode);
} /* End Function get_mode */
static void signal_handler (int sig)
{
-#ifdef CONFIG_DEVFSD_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)
{
struct get_variable_info *gv_info = info;
static char hostname[STRING_LENGTH], sbuf[STRING_LENGTH];
+ const char *field_names[] = { "hostname", "mntpt", "devpath", "devname",
+ "uid", "gid", "mode", hostname, mount_point,
+ gv_info->devpath, gv_info->devname, 0 };
+ int i;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "get_variable()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
if (gethostname (hostname, STRING_LENGTH - 1) != 0)
- msg_logger( DIE, LOG_ERR, "gethostname(): %m\n");
+ 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';
- 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';
+
+ /* index_in_str_array returns i>=0 */
+ i=index_in_str_array(field_names, variable);
+
+ if ( i > 6 || i < 0 || (i > 1 && gv_info == NULL))
+ return (NULL);
+ if( i >= 0 && i <= 3)
{
- sprintf (sbuf, "%o", gv_info->info->mode);
- return (sbuf);
+ debug_msg_logger(LOG_INFO, "%s: i=%d %s", __FUNCTION__, i ,field_names[i+7]);
+ 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);
+
+ debug_msg_logger(LOG_INFO, "%s: %s", __FUNCTION__, sbuf);
+
+ return (sbuf);
} /* End Function get_variable */
-static void do_scan_and_service (const char *dir_name)
+static void service(struct stat statbuf, char *path)
+{
+ struct devfsd_notify_struct info;
+
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
+
+ memset (&info, 0, sizeof info);
+ info.type = DEVFSD_NOTIFY_REGISTERED;
+ info.mode = statbuf.st_mode;
+ info.major = major (statbuf.st_rdev);
+ info.minor = minor (statbuf.st_rdev);
+ info.uid = statbuf.st_uid;
+ info.gid = statbuf.st_gid;
+ snprintf (info.devname, sizeof (info.devname), "%s", path + strlen (mount_point) + 1);
+ info.namelen = strlen (info.devname);
+ service_name (&info);
+ if ( S_ISDIR (statbuf.st_mode) )
+ dir_operation(SERVICE,path,0,NULL);
+}
+
+static void dir_operation(int type, const char * dir_name, int var, unsigned long *event_mask)
/* [SUMMARY] Scan a directory tree and generate register events on leaf nodes.
- <dp> The directory pointer. This is closed upon completion.
+ <flag> To choose which function to perform
+ <dp> The directory pointer. This is closed upon completion.
<dir_name> The name of the directory.
+ <rootlen> string length parameter.
[RETURNS] Nothing.
*/
{
struct dirent *de;
char path[STRING_LENGTH];
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "do_scan_and_service ()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
- if((dp = xopendir(NO_DIE, dir_name))==NULL)
+ if((dp = opendir( dir_name))==NULL)
+ {
+ debug_msg_logger(LOG_ERR, "opendir: %s: %m", dir_name);
return;
+ }
while ( (de = readdir (dp) ) != NULL )
{
- struct devfsd_notify_struct info;
- 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", dir_name, de->d_name);
+ debug_msg_logger(LOG_ERR, "%s: %s", __FUNCTION__, path);
+
if (lstat (path, &statbuf) != 0)
{
-#ifdef CONFIG_DEVFSD_VERBOSE
- msg_logger( NO_DIE, LOG_ERR, "%s: %m\n", path);
-#endif
+ debug_msg_logger(LOG_ERR, "%s: %s: %m", __FUNCTION__, path);
continue;
}
- memset (&info, 0, sizeof info);
- info.type = DEVFSD_NOTIFY_REGISTERED;
- info.mode = statbuf.st_mode;
- info.major = major (statbuf.st_rdev);
- info.minor = minor (statbuf.st_rdev);
- info.uid = statbuf.st_uid;
- info.gid = statbuf.st_gid;
- snprintf (info.devname, sizeof (info.devname), "%s", path + strlen (mount_point) + 1);
- info.namelen = strlen (info.devname);
- service_name (&info);
- if ( S_ISDIR (statbuf.st_mode) )
- do_scan_and_service (path);
+ switch(type)
+ {
+ case SERVICE:
+ service(statbuf,path);
+ break;
+ case RESTORE:
+ restore(path, statbuf, var);
+ break;
+ case READ_CONFIG:
+ read_config_file (path, var, event_mask);
+ break;
+ }
}
closedir (dp);
} /* End Function do_scan_and_service */
[RETURNS] 0 on success, else -1.
*/
{
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "mksymlink()\n", newpath);
-#endif
-
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
if ( !make_dir_tree (newpath) )
return (-1);
if (symlink (oldpath, newpath) != 0)
{
-#ifdef CONFIG_DEVFSD_VERBOSE
- if (errno == EEXIST)
- msg_logger( NO_DIE, LOG_INFO, "symlink(): %s: already exists\n", newpath);
- else
+ if (errno != EEXIST)
{
- msg_logger( NO_DIE, LOG_ERR, "symlink(): %s: %m\n", newpath);
+ debug_msg_logger(LOG_ERR, "%s: %s to %s: %m", __FUNCTION__, oldpath, newpath);
return (-1);
}
-#else
- if (errno != EEXIST)
- return (-1);
-#endif
}
return (0);
} /* End Function mksymlink */
static int make_dir_tree (const char *path)
/* [SUMMARY] Creating intervening directories for a path as required.
- <path> The full pathname (including he leaf node).
+ <path> The full pathname (including the leaf node).
[RETURNS] TRUE on success, else FALSE.
*/
{
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "make_dir_tree()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
- if (bb_make_directory( (char *)path, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH , FILEUTILS_RECUR )==-1)
+ if (bb_make_directory( dirname((char *)path), -1, FILEUTILS_RECUR )==-1)
{
-#ifdef CONFIG_DEVFSD_VERBOSE
- 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);
static int expand_expression(char *output, unsigned int outsize,
const char *input,
const char *(*get_variable_func)(const char *variable, void *info),
- void *info,
- const char *devname,
- const regmatch_t *ex, unsigned int numexp)
-/* [SUMMARY] Expand enviroment variables and regular subexpressions in string.
+ void *info,
+ const char *devname,
+ const regmatch_t *ex, unsigned int numexp)
+/* [SUMMARY] Expand environment variables and regular subexpressions in string.
<output> The output expanded expression is written here.
<length> The size of the output buffer.
<input> The input expression. This may equal <<output>>.
{
char temp[STRING_LENGTH];
-#ifdef CONFIG_DEVFSD_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);
const char last_exp = '0' - 1 + numex;
int c = -1;
-#ifdef CONFIG_DEVFSD_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 */
const char *compat_name = NULL;
char *ptr;
struct translate_struct *trans;
-
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "get_old_name()\n");
-#endif
+ 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/ */
+ static const char *const 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
+ };
+
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
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)
{
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;
+
+ 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 )
+ 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 )
+ /* 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 )
+ 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]);
}
+
+ 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 */
*/
{
char letter='y'; /* 121 */
- char c='a'; /* 97 */
+ char c='a'; /* 97 */
int i=IDE0_MAJOR;
-
-#ifdef CONFIG_DEVFSD_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 {
i==IDE6_MAJOR || i==IDE7_MAJOR || i==IDE8_MAJOR ||
i==IDE9_MAJOR )
{
- if(i==major)
+ if((unsigned int)i==major)
{
letter=c;
break;
{
unsigned int disc_index;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "write_old_sd_name()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
if (major == 8)
{
struct passwd *pwent;
char buffer[BUFFER_SIZE], tmp[STRING_LENGTH];
-#ifdef CONFIG_DEVFSD_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;
/* 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);
input = ptr - 1;
if ( ( pwent = getpwnam (tmp) ) == NULL )
{
-#ifdef CONFIG_DEVFSD_VERBOSE
- msg_logger( NO_DIE, LOG_INFO, "getpwnam(): %s\n", tmp);
-#endif
+ msg_logger(LOG_INFO, "no pwent for: %s", tmp);
return (FALSE);
}
len = strlen (pwent->pw_dir);
}
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 */
const char *env, *ptr;
char tmp[STRING_LENGTH];
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "expand_variable()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
ch = input[0];
if (ch == '$')
for (ptr = input; isalnum (ch) || (ch == '_') || (ch == ':');ch = *++ptr)
/* VOID */ ;
len = ptr - input;
- if (len >= sizeof tmp)
+ if ((size_t)len >= sizeof tmp)
goto expand_variable_out;
safe_memcpy (tmp, input, len);
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);
{
/* Must be simple variable expansion with "${var}" */
len = ptr - input;
- if (len >= sizeof tmp)
+ if ((size_t)len >= sizeof tmp)
goto expand_variable_out;
safe_memcpy (tmp, input, len);
}
if (ch != ':' || ptr[1] != '-' )
{
-#ifdef CONFIG_DEVFSD_VERBOSE
- msg_logger( NO_DIE, LOG_INFO,"illegal char in var name\n");
-#endif
+ msg_logger(LOG_INFO, "illegal char in var name");
return (NULL);
}
/* It's that handy "${var:-word}" expression. Check if var is defined */
len = ptr - input;
- if (len >= sizeof tmp)
+ if ((size_t)len >= sizeof tmp)
goto expand_variable_out;
safe_memcpy (tmp, input, len);
--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;
pointer to start of word in "${var:-word}" */
input += 2;
len = ptr - input;
- if (len >= sizeof tmp)
+ if ((size_t)len >= sizeof tmp)
goto expand_variable_out;
safe_memcpy (tmp, input, len);
*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 */
{
const char *value;
-#ifdef CONFIG_DEVFSD_DEBUG
- msg_logger( NO_DIE, LOG_INFO, "get_variable_v2()\n");
-#endif
+ debug_msg_logger(LOG_INFO, __FUNCTION__);
if (func != NULL)
{