Vodz, last_path_87, formatiing changes

1 files changed, 306 insertions, 275 deletions

diff --git a/applets/applets.c b/applets/applets.c
index 1b69ade..4af569d 100644
--- a/applets/applets.c
+++ b/applets/applets.c
@@ -20,7 +20,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
- * Based in part on code from sash, Copyright (c) 1999 by David I. Bell 
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
  * Permission has been granted to redistribute this code under the GPL.
  *
  */
@@ -44,7 +44,7 @@ const size_t NUM_APPLETS = (sizeof (applets) / sizeof (struct BB_applet) - 1);
 
 #ifdef CONFIG_FEATURE_SUID
 
-static void check_suid ( struct BB_applet *app );
+static void check_suid (struct BB_applet *app);
 
 #ifdef CONFIG_FEATURE_SUID_CONFIG
 
@@ -53,21 +53,22 @@ static void check_suid ( struct BB_applet *app );
 #include "pwd_.h"
 #include "grp_.h"
 
-static int parse_config_file ( void );
+static int parse_config_file (void);
 
 static int config_ok;
 
 #define CONFIG_FILE "/etc/busybox.conf"
 
 /* applets [] is const, so we have to define this "override" structure */
-struct BB_suid_config {
-	struct BB_applet *m_applet;
+struct BB_suid_config
+{
+  struct BB_applet *m_applet;
 
-	uid_t  m_uid;
-	gid_t  m_gid;
-	mode_t m_mode;
+  uid_t m_uid;
+  gid_t m_gid;
+  mode_t m_mode;
 
-	struct BB_suid_config *m_next;
+  struct BB_suid_config *m_next;
 };
 
 static struct BB_suid_config *suid_config;
@@ -78,79 +79,84 @@ static struct BB_suid_config *suid_config;
 
 
 
-extern void bb_show_usage(void)
+extern void
+bb_show_usage (void)
 {
-	const char *format_string;
-	const char *usage_string = usage_messages;
-	int i;
+  const char *format_string;
+  const char *usage_string = usage_messages;
+  int i;
 
-	for (i = applet_using - applets; i > 0; ) {
-		if (!*usage_string++) {
-			--i;
-		}
+  for (i = applet_using - applets; i > 0;) {
+	if (!*usage_string++) {
+	  --i;
 	}
+  }
 
-	format_string = "%s\n\nUsage: %s %s\n\n";
-	if(*usage_string == '\b')
-		format_string = "%s\n\nNo help available.\n\n";
-	fprintf(stderr, format_string, bb_msg_full_version, applet_using->name, usage_string);
+  format_string = "%s\n\nUsage: %s %s\n\n";
+  if (*usage_string == '\b')
+	format_string = "%s\n\nNo help available.\n\n";
+  fprintf (stderr, format_string, bb_msg_full_version, applet_using->name,
+		   usage_string);
 
-	exit(EXIT_FAILURE);
+  exit (EXIT_FAILURE);
 }
 
-static int applet_name_compare(const void *x, const void *y)
+static int
+applet_name_compare (const void *x, const void *y)
 {
-	const char *name = x;
-	const struct BB_applet *applet = y;
+  const char *name = x;
+  const struct BB_applet *applet = y;
 
-	return strcmp(name, applet->name);
+  return strcmp (name, applet->name);
 }
 
 extern const size_t NUM_APPLETS;
 
-struct BB_applet *find_applet_by_name(const char *name)
+struct BB_applet *
+find_applet_by_name (const char *name)
 {
-	return bsearch(name, applets, NUM_APPLETS, sizeof(struct BB_applet),
-			applet_name_compare);
+  return bsearch (name, applets, NUM_APPLETS, sizeof (struct BB_applet),
+				  applet_name_compare);
 }
 
-void run_applet_by_name(const char *name, int argc, char **argv)
+void
+run_applet_by_name (const char *name, int argc, char **argv)
 {
-	static int recurse_level = 0;
-	extern int been_there_done_that; /* From busybox.c */
+  static int recurse_level = 0;
+  extern int been_there_done_that;      /* From busybox.c */
 
 #ifdef CONFIG_FEATURE_SUID_CONFIG
-	if ( recurse_level == 0 )
-		config_ok = parse_config_file ( );
+  if (recurse_level == 0)
+	config_ok = parse_config_file ();
 #endif
 
-	recurse_level++;
-	/* Do a binary search to find the applet entry given the name. */
-	if ((applet_using = find_applet_by_name(name)) != NULL) {
-		bb_applet_name = applet_using->name;
-		if (argv[1] && strcmp(argv[1], "--help") == 0) {
-			if (strcmp(applet_using->name, "busybox")==0) {
-				if(argv[2])
-				  applet_using = find_applet_by_name(argv[2]);
-				 else
-				  applet_using = NULL;
-			}
-			if(applet_using)
-				bb_show_usage();
-			been_there_done_that=1;
-			busybox_main(0, NULL);
-		}
+  recurse_level++;
+  /* Do a binary search to find the applet entry given the name. */
+  if ((applet_using = find_applet_by_name (name)) != NULL) {
+	bb_applet_name = applet_using->name;
+	if (argv[1] && strcmp (argv[1], "--help") == 0) {
+	  if (strcmp (applet_using->name, "busybox") == 0) {
+		if (argv[2])
+		  applet_using = find_applet_by_name (argv[2]);
+		else
+		  applet_using = NULL;
+	  }
+	  if (applet_using)
+		bb_show_usage ();
+	  been_there_done_that = 1;
+	  busybox_main (0, NULL);
+	}
 #ifdef CONFIG_FEATURE_SUID
-		check_suid ( applet_using );
+	check_suid (applet_using);
 #endif
 
-		exit((*(applet_using->main)) (argc, argv));
-	}
-	/* Just in case they have renamed busybox - Check argv[1] */
-	if (recurse_level == 1) {
-		run_applet_by_name("busybox", argc, argv);
-	}
-	recurse_level--;
+	exit ((*(applet_using->main)) (argc, argv));
+  }
+  /* Just in case they have renamed busybox - Check argv[1] */
+  if (recurse_level == 1) {
+	run_applet_by_name ("busybox", argc, argv);
+  }
+  recurse_level--;
 }
 
 
@@ -159,254 +165,279 @@ void run_applet_by_name(const char *name, int argc, char **argv)
 #ifdef CONFIG_FEATURE_SUID_CONFIG
 
 /* check if u is member of group g */
-static int ingroup ( uid_t u, gid_t g )
+static int
+ingroup (uid_t u, gid_t g)
 {
-	struct group *grp = getgrgid ( g );
+  struct group *grp = getgrgid (g);
 
-	if ( grp ) {
-		char **mem;
+  if (grp) {
+	char **mem;
 
-		for ( mem = grp-> gr_mem; *mem; mem++ ) {
-			struct passwd *pwd = getpwnam ( *mem );
+	for (mem = grp->gr_mem; *mem; mem++) {
+	  struct passwd *pwd = getpwnam (*mem);
 
-			if ( pwd && ( pwd-> pw_uid == u ))
-				return 1;
-		}
+	  if (pwd && (pwd->pw_uid == u))
+		return 1;
 	}
-	return 0;
+  }
+  return 0;
 }
 
 #endif
 
 
-void check_suid ( struct BB_applet *applet )
+void
+check_suid (struct BB_applet *applet)
 {
-	uid_t ruid = getuid ( ); /* real [ug]id */
-	uid_t rgid = getgid ( );
+  uid_t ruid = getuid ();               /* real [ug]id */
+  uid_t rgid = getgid ();
 
 #ifdef CONFIG_FEATURE_SUID_CONFIG
-	if ( config_ok ) {
-		struct BB_suid_config *sct;
-
-		for ( sct = suid_config; sct; sct = sct-> m_next ) {
-			if ( sct-> m_applet == applet )
-				break;
-		}		
-		if ( sct ) {
-			mode_t m = sct-> m_mode;
-
-			if ( sct-> m_uid == ruid ) /* same uid */
-				m >>= 6;
-			else if (( sct-> m_gid == rgid ) || ingroup ( ruid, sct-> m_gid )) /* same group / in group */
-				m >>= 3;
-
-			if (!( m & S_IXOTH ))   /* is x bit not set ? */
-				bb_error_msg_and_die ( "You have no permission to run this applet!" );
+  if (config_ok) {
+	struct BB_suid_config *sct;
 
-			if (( sct-> m_mode & ( S_ISGID | S_IXGRP )) == ( S_ISGID | S_IXGRP )) { /* *both* have to be set for sgid */
-				if ( setegid ( sct-> m_gid ))
-					bb_error_msg_and_die ( "BusyBox binary has insufficient rights to set proper GID for applet!" );
-			}
-			else
-				setgid ( rgid ); /* no sgid -> drop */
-
-			if ( sct-> m_mode & S_ISUID ) {
-				if ( seteuid ( sct-> m_uid ))
-					bb_error_msg_and_die ( "BusyBox binary has insufficient rights to set proper UID for applet!" );
-			}	
-			else
-				setuid ( ruid ); /* no suid -> drop */
-		}
-		else { /* default: drop all priviledges */
-			setgid ( rgid );
-			setuid ( ruid );
-		}
-		return;
+	for (sct = suid_config; sct; sct = sct->m_next) {
+	  if (sct->m_applet == applet)
+		break;
 	}
-	else {
-#ifndef CONFIG_FEATURE_SUID_CONFIG_QUIET	
-		static int onetime = 0;
-
-		if ( !onetime ) {
-			onetime = 1;
-			fprintf ( stderr, "Using fallback suid method\n" );
-		}
-#endif		
+	if (sct) {
+	  mode_t m = sct->m_mode;
+
+	  if (sct->m_uid == ruid)       /* same uid */
+		m >>= 6;
+	  else if ((sct->m_gid == rgid) || ingroup (ruid, sct->m_gid))  /* same group / in group */
+		m >>= 3;
+
+	  if (!(m & S_IXOTH))           /* is x bit not set ? */
+		bb_error_msg_and_die ("You have no permission to run this applet!");
+
+	  if ((sct->m_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) {     /* *both* have to be set for sgid */
+		if (setegid (sct->m_gid))
+		  bb_error_msg_and_die
+			("BusyBox binary has insufficient rights to set proper GID for applet!");
+	  } else
+		setgid (rgid);                  /* no sgid -> drop */
+
+	  if (sct->m_mode & S_ISUID) {
+		if (seteuid (sct->m_uid))
+		  bb_error_msg_and_die
+			("BusyBox binary has insufficient rights to set proper UID for applet!");
+	  } else
+		setuid (ruid);                  /* no suid -> drop */
+	} else {
+		/* default: drop all priviledges */
+	  setgid (rgid);
+	  setuid (ruid);
+	}
+	return;
+  } else {
+#ifndef CONFIG_FEATURE_SUID_CONFIG_QUIET
+	static int onetime = 0;
+
+	if (!onetime) {
+	  onetime = 1;
+	  fprintf (stderr, "Using fallback suid method\n");
 	}
 #endif
+  }
+#endif
 
-	if ( applet-> need_suid == _BB_SUID_ALWAYS ) {
-		if ( geteuid ( ) != 0 ) 
-			bb_error_msg_and_die ( "This applet requires root priviledges!" );
-	} 
-	else if ( applet-> need_suid == _BB_SUID_NEVER ) {
-		setgid ( rgid ); /* drop all priviledges */
-		setuid ( ruid );
-	}	
+  if (applet->need_suid == _BB_SUID_ALWAYS) {
+	if (geteuid () != 0)
+	  bb_error_msg_and_die ("This applet requires root priviledges!");
+  } else if (applet->need_suid == _BB_SUID_NEVER) {
+	setgid (rgid);                          /* drop all priviledges */
+	setuid (ruid);
+  }
 }
 
 #ifdef CONFIG_FEATURE_SUID_CONFIG
 
 
-#define parse_error(x)	{ err=x; goto pe_label; }
+#define parse_error(x)  { err=x; goto pe_label; }
 
 
-int parse_config_file ( void )
+int
+parse_config_file (void)
 {
-	struct stat st;
-	char *err = 0;
-	FILE *f = 0;
-	int lc = 0;
-
-	suid_config = 0;
-
-	/* is there a config file ? */
-	if ( stat ( CONFIG_FILE, &st ) == 0 ) {
-		/* is it owned by root with no write perm. for group and others ? */
-		if ( S_ISREG( st. st_mode ) && ( st. st_uid == 0 )	&& (!( st. st_mode & ( S_IWGRP | S_IWOTH )))) {
-			/* that's ok .. then try to open it */
-			f = fopen ( CONFIG_FILE, "r" );
-
-			if ( f ) {
-				char buffer [256];
-				int section = 0;
-
-				while ( fgets ( buffer, sizeof( buffer ) - 1, f )) {
-					char c = buffer [0];
-					char *p;
-
-					lc++;
-
-					p = strchr ( buffer, '#' );
-					if ( p )
-						*p = 0;
-					p = buffer + bb_strlen ( buffer );
-					while (( p > buffer ) && isspace ( *--p ))
-						*p = 0;		
-
-					if ( p == buffer )
-						continue;					
-
-					if ( c == '[' ) {
-						p = strchr ( buffer, ']' );
-
-						if ( !p || ( p == ( buffer + 1 )))  /* no matching ] or empty [] */
-							parse_error ( "malformed section header" );
-
-						*p = 0;
-
-						if ( strcasecmp ( buffer + 1, "SUID" ) == 0 )
-							section = 1;
-						else
-							section = -1; /* unknown section - just skip */
-					}
-					else if ( section ) {
-						switch ( section ) {
-							case 1: { /* SUID */
-								int l;
-								struct BB_applet *applet;
-
-								p = strchr ( buffer, '=' ); /* <key>[::space::]*=[::space::]*<value> */
-
-								if ( !p || ( p == ( buffer + 1 ))) /* no = or key is empty */
-									parse_error ( "malformed keyword" );
-
-								l = p - buffer;
-								while ( isspace ( buffer [--l] )) { } /* skip whitespace */
-
-								buffer [l+1] = 0;
-
-								if (( applet = find_applet_by_name ( buffer ))) {
-									struct BB_suid_config *sct = xmalloc ( sizeof( struct BB_suid_config ));
-
-									sct-> m_applet = applet;
-									sct-> m_next = suid_config;
-									suid_config = sct;
-
-									while ( isspace ( *++p )) { } /* skip whitespace */
-
-									sct-> m_mode = 0;			
-
-									switch ( *p++ ) {
-										case 'S': sct-> m_mode |= S_ISUID; break;
-										case 's': sct-> m_mode |= S_ISUID; /* no break */
-										case 'x': sct-> m_mode |= S_IXUSR; break;
-										case '-': break;
-										default : parse_error ( "invalid user mode" );
-									}
-
-									switch ( *p++ ) {
-										case 's': sct-> m_mode |= S_ISGID; /* no break */
-										case 'x': sct-> m_mode |= S_IXGRP; break;
-										case 'S': break;
-										case '-': break;
-										default : parse_error ( "invalid group mode" );
-									}
-
-									switch ( *p ) {
-										case 't': 
-										case 'x': sct-> m_mode |= S_IXOTH; break;
-										case 'T':
-										case '-': break;
-										default : parse_error ( "invalid other mode" );
-									}
-
-									while ( isspace ( *++p )) { } /* skip whitespace */
-
-									if ( isdigit ( *p )) {
-										sct-> m_uid = strtol ( p, &p, 10 );
-										if ( *p++ != '.' )
-											parse_error ( "parsing <uid>.<gid>" );										
-									}
-									else {
-										struct passwd *pwd;
-										char *p2 = strchr ( p, '.' );
-										
-										if ( !p2 ) 
-											parse_error ( "parsing <uid>.<gid>" );										
-
-										*p2 = 0;
-										pwd = getpwnam ( p );
-
-										if ( !pwd ) 
-											parse_error ( "invalid user name" );
-
-										sct-> m_uid = pwd-> pw_uid;
-										p = p2 + 1;
-									}		
-									if ( isdigit ( *p )) 
-										sct-> m_gid = strtol ( p, &p, 10 );
-									else {
-										struct group *grp = getgrnam ( p );
-
-										if ( !grp ) 
-											parse_error ( "invalid group name" );
-
-										sct-> m_gid = grp-> gr_gid;
-									}																		
-								}
-								break;
-							}
-							default: /* unknown - skip */
-								break;
-						}					
-					}
-					else
-						parse_error ( "keyword not within section" );
-				}				
-				fclose ( f );
-				return 1;
+  struct stat st;
+  char *err = 0;
+  FILE *f = 0;
+  int lc = 0;
+
+  suid_config = 0;
+
+  /* is there a config file ? */
+  if (stat (CONFIG_FILE, &st) == 0) {
+	/* is it owned by root with no write perm. for group and others ? */
+	if (S_ISREG (st.st_mode) && (st.st_uid == 0)
+		&& (!(st.st_mode & (S_IWGRP | S_IWOTH)))) {
+	  /* that's ok .. then try to open it */
+	  f = fopen (CONFIG_FILE, "r");
+
+	  if (f) {
+		char buffer[256];
+		int section = 0;
+
+		while (fgets (buffer, sizeof (buffer) - 1, f)) {
+		  char c = buffer[0];
+		  char *p;
+
+		  lc++;
+
+		  p = strchr (buffer, '#');
+		  if (p)
+			*p = 0;
+		  p = buffer + bb_strlen (buffer);
+		  while ((p > buffer) && isspace (*--p))
+			*p = 0;
+
+		  if (p == buffer)
+			continue;
+
+		  if (c == '[') {
+			p = strchr (buffer, ']');
+
+			if (!p || (p == (buffer + 1)))  /* no matching ] or empty [] */
+			  parse_error ("malformed section header");
+
+			*p = 0;
+
+			if (strcasecmp (buffer + 1, "SUID") == 0)
+			  section = 1;
+			else
+			  section = -1;         /* unknown section - just skip */
+		  } else if (section) {
+			switch (section) {
+			case 1:{                        /* SUID */
+				int l;
+				struct BB_applet *applet;
+
+				p = strchr (buffer, '=');       /* <key>[::space::]*=[::space::]*<value> */
+
+				if (!p || (p == (buffer + 1)))  /* no = or key is empty */
+				  parse_error ("malformed keyword");
+
+				l = p - buffer;
+				while (isspace (buffer[--l])) {
+					/* skip whitespace */
+				}
+
+				buffer[l + 1] = 0;
+
+				if ((applet = find_applet_by_name (buffer))) {
+				  struct BB_suid_config *sct =
+					xmalloc (sizeof (struct BB_suid_config));
+
+				  sct->m_applet = applet;
+				  sct->m_next = suid_config;
+				  suid_config = sct;
+
+				  while (isspace (*++p)) {
+					/* skip whitespace */
+				  }
+
+				  sct->m_mode = 0;
+
+				  switch (*p++) {
+				  case 'S':
+					sct->m_mode |= S_ISUID;
+					break;
+				  case 's':
+					sct->m_mode |= S_ISUID;
+					/* no break */
+				  case 'x':
+					sct->m_mode |= S_IXUSR;
+					break;
+				  case '-':
+					break;
+				  default:
+					parse_error ("invalid user mode");
+				  }
+
+				  switch (*p++) {
+				  case 's':
+					sct->m_mode |= S_ISGID;
+					/* no break */
+				  case 'x':
+					sct->m_mode |= S_IXGRP;
+					break;
+				  case 'S':
+					break;
+				  case '-':
+					break;
+				  default:
+					parse_error ("invalid group mode");
+				  }
+
+				  switch (*p) {
+				  case 't':
+				  case 'x':
+					sct->m_mode |= S_IXOTH;
+					break;
+				  case 'T':
+				  case '-':
+					break;
+				  default:
+					parse_error ("invalid other mode");
+				  }
+
+				  while (isspace (*++p)) {
+					/* skip whitespace */
+				  }
+
+				  if (isdigit (*p)) {
+					sct->m_uid = strtol (p, &p, 10);
+					if (*p++ != '.')
+					  parse_error ("parsing <uid>.<gid>");
+				  } else {
+					struct passwd *pwd;
+					char *p2 = strchr (p, '.');
+
+					if (!p2)
+					  parse_error ("parsing <uid>.<gid>");
+
+					*p2 = 0;
+					pwd = getpwnam (p);
+
+					if (!pwd)
+					  parse_error ("invalid user name");
+
+					sct->m_uid = pwd->pw_uid;
+					p = p2 + 1;
+				  }
+				  if (isdigit (*p))
+					sct->m_gid = strtol (p, &p, 10);
+				  else {
+					struct group *grp = getgrnam (p);
+
+					if (!grp)
+					  parse_error ("invalid group name");
+
+					sct->m_gid = grp->gr_gid;
+				  }
+				}
+				break;
+			  }
+			default:                        /* unknown - skip */
+			  break;
 			}
+		  } else
+			parse_error ("keyword not within section");
 		}
+		fclose (f);
+		return 1;
+	  }
 	}
-	return 0; /* no config file or not readable (not an error) */
+  }
+  return 0;     /* no config file or not readable (not an error) */
 
-pe_label:	
-	fprintf ( stderr, "Parse error in %s, line %d: %s\n", CONFIG_FILE, lc, err );
+pe_label:
+  fprintf (stderr, "Parse error in %s, line %d: %s\n", CONFIG_FILE, lc, err);
 
-	if ( f )
-		fclose ( f );
-	return 0;
+  if (f)
+	fclose (f);
+  return 0;
 }
 
 #endif