Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 1090 deletions

diff --git a/ANDROID_3.4.5/security/tomoyo/util.c b/ANDROID_3.4.5/security/tomoyo/util.c
deleted file mode 100644
index 867558c9..00000000
--- a/ANDROID_3.4.5/security/tomoyo/util.c
+++ /dev/null
@@ -1,1090 +0,0 @@
-/*
- * security/tomoyo/util.c
- *
- * Copyright (C) 2005-2011  NTT DATA CORPORATION
- */
-
-#include <linux/slab.h>
-#include "common.h"
-
-/* Lock for protecting policy. */
-DEFINE_MUTEX(tomoyo_policy_lock);
-
-/* Has /sbin/init started? */
-bool tomoyo_policy_loaded;
-
-/*
- * Mapping table from "enum tomoyo_mac_index" to
- * "enum tomoyo_mac_category_index".
- */
-const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX] = {
-	/* CONFIG::file group */
-	[TOMOYO_MAC_FILE_EXECUTE]    = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_OPEN]       = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_CREATE]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_UNLINK]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_GETATTR]    = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MKDIR]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_RMDIR]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MKFIFO]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MKSOCK]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_TRUNCATE]   = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_SYMLINK]    = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MKBLOCK]    = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MKCHAR]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_LINK]       = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_RENAME]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_CHMOD]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_CHOWN]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_CHGRP]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_IOCTL]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_CHROOT]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_MOUNT]      = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_UMOUNT]     = TOMOYO_MAC_CATEGORY_FILE,
-	[TOMOYO_MAC_FILE_PIVOT_ROOT] = TOMOYO_MAC_CATEGORY_FILE,
-	/* CONFIG::network group */
-	[TOMOYO_MAC_NETWORK_INET_STREAM_BIND]       =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_STREAM_LISTEN]     =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_STREAM_CONNECT]    =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_DGRAM_BIND]        =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_DGRAM_SEND]        =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_RAW_BIND]          =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_INET_RAW_SEND]          =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_STREAM_BIND]       =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_STREAM_LISTEN]     =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_STREAM_CONNECT]    =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_DGRAM_BIND]        =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_DGRAM_SEND]        =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_BIND]    =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_LISTEN]  =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	[TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_CONNECT] =
-	TOMOYO_MAC_CATEGORY_NETWORK,
-	/* CONFIG::misc group */
-	[TOMOYO_MAC_ENVIRON]         = TOMOYO_MAC_CATEGORY_MISC,
-};
-
-/**
- * tomoyo_convert_time - Convert time_t to YYYY/MM/DD hh/mm/ss.
- *
- * @time:  Seconds since 1970/01/01 00:00:00.
- * @stamp: Pointer to "struct tomoyo_time".
- *
- * Returns nothing.
- *
- * This function does not handle Y2038 problem.
- */
-void tomoyo_convert_time(time_t time, struct tomoyo_time *stamp)
-{
-	static const u16 tomoyo_eom[2][12] = {
-		{ 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
-		{ 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
-	};
-	u16 y;
-	u8 m;
-	bool r;
-	stamp->sec = time % 60;
-	time /= 60;
-	stamp->min = time % 60;
-	time /= 60;
-	stamp->hour = time % 24;
-	time /= 24;
-	for (y = 1970; ; y++) {
-		const unsigned short days = (y & 3) ? 365 : 366;
-		if (time < days)
-			break;
-		time -= days;
-	}
-	r = (y & 3) == 0;
-	for (m = 0; m < 11 && time >= tomoyo_eom[r][m]; m++)
-		;
-	if (m)
-		time -= tomoyo_eom[r][m - 1];
-	stamp->year = y;
-	stamp->month = ++m;
-	stamp->day = ++time;
-}
-
-/**
- * tomoyo_permstr - Find permission keywords.
- *
- * @string: String representation for permissions in foo/bar/buz format.
- * @keyword: Keyword to find from @string/
- *
- * Returns ture if @keyword was found in @string, false otherwise.
- *
- * This function assumes that strncmp(w1, w2, strlen(w1)) != 0 if w1 != w2.
- */
-bool tomoyo_permstr(const char *string, const char *keyword)
-{
-	const char *cp = strstr(string, keyword);
-	if (cp)
-		return cp == string || *(cp - 1) == '/';
-	return false;
-}
-
-/**
- * tomoyo_read_token - Read a word from a line.
- *
- * @param: Pointer to "struct tomoyo_acl_param".
- *
- * Returns a word on success, "" otherwise.
- *
- * To allow the caller to skip NULL check, this function returns "" rather than
- * NULL if there is no more words to read.
- */
-char *tomoyo_read_token(struct tomoyo_acl_param *param)
-{
-	char *pos = param->data;
-	char *del = strchr(pos, ' ');
-	if (del)
-		*del++ = '\0';
-	else
-		del = pos + strlen(pos);
-	param->data = del;
-	return pos;
-}
-
-/**
- * tomoyo_get_domainname - Read a domainname from a line.
- *
- * @param: Pointer to "struct tomoyo_acl_param".
- *
- * Returns a domainname on success, NULL otherwise.
- */
-const struct tomoyo_path_info *tomoyo_get_domainname
-(struct tomoyo_acl_param *param)
-{
-	char *start = param->data;
-	char *pos = start;
-	while (*pos) {
-		if (*pos++ != ' ' || *pos++ == '/')
-			continue;
-		pos -= 2;
-		*pos++ = '\0';
-		break;
-	}
-	param->data = pos;
-	if (tomoyo_correct_domain(start))
-		return tomoyo_get_name(start);
-	return NULL;
-}
-
-/**
- * tomoyo_parse_ulong - Parse an "unsigned long" value.
- *
- * @result: Pointer to "unsigned long".
- * @str:    Pointer to string to parse.
- *
- * Returns one of values in "enum tomoyo_value_type".
- *
- * The @src is updated to point the first character after the value
- * on success.
- */
-u8 tomoyo_parse_ulong(unsigned long *result, char **str)
-{
-	const char *cp = *str;
-	char *ep;
-	int base = 10;
-	if (*cp == '0') {
-		char c = *(cp + 1);
-		if (c == 'x' || c == 'X') {
-			base = 16;
-			cp += 2;
-		} else if (c >= '0' && c <= '7') {
-			base = 8;
-			cp++;
-		}
-	}
-	*result = simple_strtoul(cp, &ep, base);
-	if (cp == ep)
-		return TOMOYO_VALUE_TYPE_INVALID;
-	*str = ep;
-	switch (base) {
-	case 16:
-		return TOMOYO_VALUE_TYPE_HEXADECIMAL;
-	case 8:
-		return TOMOYO_VALUE_TYPE_OCTAL;
-	default:
-		return TOMOYO_VALUE_TYPE_DECIMAL;
-	}
-}
-
-/**
- * tomoyo_print_ulong - Print an "unsigned long" value.
- *
- * @buffer:     Pointer to buffer.
- * @buffer_len: Size of @buffer.
- * @value:      An "unsigned long" value.
- * @type:       Type of @value.
- *
- * Returns nothing.
- */
-void tomoyo_print_ulong(char *buffer, const int buffer_len,
-			const unsigned long value, const u8 type)
-{
-	if (type == TOMOYO_VALUE_TYPE_DECIMAL)
-		snprintf(buffer, buffer_len, "%lu", value);
-	else if (type == TOMOYO_VALUE_TYPE_OCTAL)
-		snprintf(buffer, buffer_len, "0%lo", value);
-	else if (type == TOMOYO_VALUE_TYPE_HEXADECIMAL)
-		snprintf(buffer, buffer_len, "0x%lX", value);
-	else
-		snprintf(buffer, buffer_len, "type(%u)", type);
-}
-
-/**
- * tomoyo_parse_name_union - Parse a tomoyo_name_union.
- *
- * @param: Pointer to "struct tomoyo_acl_param".
- * @ptr:   Pointer to "struct tomoyo_name_union".
- *
- * Returns true on success, false otherwise.
- */
-bool tomoyo_parse_name_union(struct tomoyo_acl_param *param,
-			     struct tomoyo_name_union *ptr)
-{
-	char *filename;
-	if (param->data[0] == '@') {
-		param->data++;
-		ptr->group = tomoyo_get_group(param, TOMOYO_PATH_GROUP);
-		return ptr->group != NULL;
-	}
-	filename = tomoyo_read_token(param);
-	if (!tomoyo_correct_word(filename))
-		return false;
-	ptr->filename = tomoyo_get_name(filename);
-	return ptr->filename != NULL;
-}
-
-/**
- * tomoyo_parse_number_union - Parse a tomoyo_number_union.
- *
- * @param: Pointer to "struct tomoyo_acl_param".
- * @ptr:   Pointer to "struct tomoyo_number_union".
- *
- * Returns true on success, false otherwise.
- */
-bool tomoyo_parse_number_union(struct tomoyo_acl_param *param,
-			       struct tomoyo_number_union *ptr)
-{
-	char *data;
-	u8 type;
-	unsigned long v;
-	memset(ptr, 0, sizeof(*ptr));
-	if (param->data[0] == '@') {
-		param->data++;
-		ptr->group = tomoyo_get_group(param, TOMOYO_NUMBER_GROUP);
-		return ptr->group != NULL;
-	}
-	data = tomoyo_read_token(param);
-	type = tomoyo_parse_ulong(&v, &data);
-	if (type == TOMOYO_VALUE_TYPE_INVALID)
-		return false;
-	ptr->values[0] = v;
-	ptr->value_type[0] = type;
-	if (!*data) {
-		ptr->values[1] = v;
-		ptr->value_type[1] = type;
-		return true;
-	}
-	if (*data++ != '-')
-		return false;
-	type = tomoyo_parse_ulong(&v, &data);
-	if (type == TOMOYO_VALUE_TYPE_INVALID || *data || ptr->values[0] > v)
-		return false;
-	ptr->values[1] = v;
-	ptr->value_type[1] = type;
-	return true;
-}
-
-/**
- * tomoyo_byte_range - Check whether the string is a \ooo style octal value.
- *
- * @str: Pointer to the string.
- *
- * Returns true if @str is a \ooo style octal value, false otherwise.
- *
- * TOMOYO uses \ooo style representation for 0x01 - 0x20 and 0x7F - 0xFF.
- * This function verifies that \ooo is in valid range.
- */
-static inline bool tomoyo_byte_range(const char *str)
-{
-	return *str >= '0' && *str++ <= '3' &&
-		*str >= '0' && *str++ <= '7' &&
-		*str >= '0' && *str <= '7';
-}
-
-/**
- * tomoyo_alphabet_char - Check whether the character is an alphabet.
- *
- * @c: The character to check.
- *
- * Returns true if @c is an alphabet character, false otherwise.
- */
-static inline bool tomoyo_alphabet_char(const char c)
-{
-	return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');
-}
-
-/**
- * tomoyo_make_byte - Make byte value from three octal characters.
- *
- * @c1: The first character.
- * @c2: The second character.
- * @c3: The third character.
- *
- * Returns byte value.
- */
-static inline u8 tomoyo_make_byte(const u8 c1, const u8 c2, const u8 c3)
-{
-	return ((c1 - '0') << 6) + ((c2 - '0') << 3) + (c3 - '0');
-}
-
-/**
- * tomoyo_valid - Check whether the character is a valid char.
- *
- * @c: The character to check.
- *
- * Returns true if @c is a valid character, false otherwise.
- */
-static inline bool tomoyo_valid(const unsigned char c)
-{
-	return c > ' ' && c < 127;
-}
-
-/**
- * tomoyo_invalid - Check whether the character is an invalid char.
- *
- * @c: The character to check.
- *
- * Returns true if @c is an invalid character, false otherwise.
- */
-static inline bool tomoyo_invalid(const unsigned char c)
-{
-	return c && (c <= ' ' || c >= 127);
-}
-
-/**
- * tomoyo_str_starts - Check whether the given string starts with the given keyword.
- *
- * @src:  Pointer to pointer to the string.
- * @find: Pointer to the keyword.
- *
- * Returns true if @src starts with @find, false otherwise.
- *
- * The @src is updated to point the first character after the @find
- * if @src starts with @find.
- */
-bool tomoyo_str_starts(char **src, const char *find)
-{
-	const int len = strlen(find);
-	char *tmp = *src;
-
-	if (strncmp(tmp, find, len))
-		return false;
-	tmp += len;
-	*src = tmp;
-	return true;
-}
-
-/**
- * tomoyo_normalize_line - Format string.
- *
- * @buffer: The line to normalize.
- *
- * Leading and trailing whitespaces are removed.
- * Multiple whitespaces are packed into single space.
- *
- * Returns nothing.
- */
-void tomoyo_normalize_line(unsigned char *buffer)
-{
-	unsigned char *sp = buffer;
-	unsigned char *dp = buffer;
-	bool first = true;
-
-	while (tomoyo_invalid(*sp))
-		sp++;
-	while (*sp) {
-		if (!first)
-			*dp++ = ' ';
-		first = false;
-		while (tomoyo_valid(*sp))
-			*dp++ = *sp++;
-		while (tomoyo_invalid(*sp))
-			sp++;
-	}
-	*dp = '\0';
-}
-
-/**
- * tomoyo_correct_word2 - Validate a string.
- *
- * @string: The string to check. Maybe non-'\0'-terminated.
- * @len:    Length of @string.
- *
- * Check whether the given string follows the naming rules.
- * Returns true if @string follows the naming rules, false otherwise.
- */
-static bool tomoyo_correct_word2(const char *string, size_t len)
-{
-	const char *const start = string;
-	bool in_repetition = false;
-	unsigned char c;
-	unsigned char d;
-	unsigned char e;
-	if (!len)
-		goto out;
-	while (len--) {
-		c = *string++;
-		if (c == '\\') {
-			if (!len--)
-				goto out;
-			c = *string++;
-			switch (c) {
-			case '\\':  /* "\\" */
-				continue;
-			case '$':   /* "\$" */
-			case '+':   /* "\+" */
-			case '?':   /* "\?" */
-			case '*':   /* "\*" */
-			case '@':   /* "\@" */
-			case 'x':   /* "\x" */
-			case 'X':   /* "\X" */
-			case 'a':   /* "\a" */
-			case 'A':   /* "\A" */
-			case '-':   /* "\-" */
-				continue;
-			case '{':   /* "/\{" */
-				if (string - 3 < start || *(string - 3) != '/')
-					break;
-				in_repetition = true;
-				continue;
-			case '}':   /* "\}/" */
-				if (*string != '/')
-					break;
-				if (!in_repetition)
-					break;
-				in_repetition = false;
-				continue;
-			case '0':   /* "\ooo" */
-			case '1':
-			case '2':
-			case '3':
-				if (!len-- || !len--)
-					break;
-				d = *string++;
-				e = *string++;
-				if (d < '0' || d > '7' || e < '0' || e > '7')
-					break;
-				c = tomoyo_make_byte(c, d, e);
-				if (c <= ' ' || c >= 127)
-					continue;
-			}
-			goto out;
-		} else if (in_repetition && c == '/') {
-			goto out;
-		} else if (c <= ' ' || c >= 127) {
-			goto out;
-		}
-	}
-	if (in_repetition)
-		goto out;
-	return true;
- out:
-	return false;
-}
-
-/**
- * tomoyo_correct_word - Validate a string.
- *
- * @string: The string to check.
- *
- * Check whether the given string follows the naming rules.
- * Returns true if @string follows the naming rules, false otherwise.
- */
-bool tomoyo_correct_word(const char *string)
-{
-	return tomoyo_correct_word2(string, strlen(string));
-}
-
-/**
- * tomoyo_correct_path - Validate a pathname.
- *
- * @filename: The pathname to check.
- *
- * Check whether the given pathname follows the naming rules.
- * Returns true if @filename follows the naming rules, false otherwise.
- */
-bool tomoyo_correct_path(const char *filename)
-{
-	return *filename == '/' && tomoyo_correct_word(filename);
-}
-
-/**
- * tomoyo_correct_domain - Check whether the given domainname follows the naming rules.
- *
- * @domainname: The domainname to check.
- *
- * Returns true if @domainname follows the naming rules, false otherwise.
- */
-bool tomoyo_correct_domain(const unsigned char *domainname)
-{
-	if (!domainname || !tomoyo_domain_def(domainname))
-		return false;
-	domainname = strchr(domainname, ' ');
-	if (!domainname++)
-		return true;
-	while (1) {
-		const unsigned char *cp = strchr(domainname, ' ');
-		if (!cp)
-			break;
-		if (*domainname != '/' ||
-		    !tomoyo_correct_word2(domainname, cp - domainname))
-			return false;
-		domainname = cp + 1;
-	}
-	return tomoyo_correct_path(domainname);
-}
-
-/**
- * tomoyo_domain_def - Check whether the given token can be a domainname.
- *
- * @buffer: The token to check.
- *
- * Returns true if @buffer possibly be a domainname, false otherwise.
- */
-bool tomoyo_domain_def(const unsigned char *buffer)
-{
-	const unsigned char *cp;
-	int len;
-	if (*buffer != '<')
-		return false;
-	cp = strchr(buffer, ' ');
-	if (!cp)
-		len = strlen(buffer);
-	else
-		len = cp - buffer;
-	if (buffer[len - 1] != '>' ||
-	    !tomoyo_correct_word2(buffer + 1, len - 2))
-		return false;
-	return true;
-}
-
-/**
- * tomoyo_find_domain - Find a domain by the given name.
- *
- * @domainname: The domainname to find.
- *
- * Returns pointer to "struct tomoyo_domain_info" if found, NULL otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname)
-{
-	struct tomoyo_domain_info *domain;
-	struct tomoyo_path_info name;
-
-	name.name = domainname;
-	tomoyo_fill_path_info(&name);
-	list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
-		if (!domain->is_deleted &&
-		    !tomoyo_pathcmp(&name, domain->domainname))
-			return domain;
-	}
-	return NULL;
-}
-
-/**
- * tomoyo_const_part_length - Evaluate the initial length without a pattern in a token.
- *
- * @filename: The string to evaluate.
- *
- * Returns the initial length without a pattern in @filename.
- */
-static int tomoyo_const_part_length(const char *filename)
-{
-	char c;
-	int len = 0;
-
-	if (!filename)
-		return 0;
-	while ((c = *filename++) != '\0') {
-		if (c != '\\') {
-			len++;
-			continue;
-		}
-		c = *filename++;
-		switch (c) {
-		case '\\':  /* "\\" */
-			len += 2;
-			continue;
-		case '0':   /* "\ooo" */
-		case '1':
-		case '2':
-		case '3':
-			c = *filename++;
-			if (c < '0' || c > '7')
-				break;
-			c = *filename++;
-			if (c < '0' || c > '7')
-				break;
-			len += 4;
-			continue;
-		}
-		break;
-	}
-	return len;
-}
-
-/**
- * tomoyo_fill_path_info - Fill in "struct tomoyo_path_info" members.
- *
- * @ptr: Pointer to "struct tomoyo_path_info" to fill in.
- *
- * The caller sets "struct tomoyo_path_info"->name.
- */
-void tomoyo_fill_path_info(struct tomoyo_path_info *ptr)
-{
-	const char *name = ptr->name;
-	const int len = strlen(name);
-
-	ptr->const_len = tomoyo_const_part_length(name);
-	ptr->is_dir = len && (name[len - 1] == '/');
-	ptr->is_patterned = (ptr->const_len < len);
-	ptr->hash = full_name_hash(name, len);
-}
-
-/**
- * tomoyo_file_matches_pattern2 - Pattern matching without '/' character and "\-" pattern.
- *
- * @filename:     The start of string to check.
- * @filename_end: The end of string to check.
- * @pattern:      The start of pattern to compare.
- * @pattern_end:  The end of pattern to compare.
- *
- * Returns true if @filename matches @pattern, false otherwise.
- */
-static bool tomoyo_file_matches_pattern2(const char *filename,
-					 const char *filename_end,
-					 const char *pattern,
-					 const char *pattern_end)
-{
-	while (filename < filename_end && pattern < pattern_end) {
-		char c;
-		if (*pattern != '\\') {
-			if (*filename++ != *pattern++)
-				return false;
-			continue;
-		}
-		c = *filename;
-		pattern++;
-		switch (*pattern) {
-			int i;
-			int j;
-		case '?':
-			if (c == '/') {
-				return false;
-			} else if (c == '\\') {
-				if (filename[1] == '\\')
-					filename++;
-				else if (tomoyo_byte_range(filename + 1))
-					filename += 3;
-				else
-					return false;
-			}
-			break;
-		case '\\':
-			if (c != '\\')
-				return false;
-			if (*++filename != '\\')
-				return false;
-			break;
-		case '+':
-			if (!isdigit(c))
-				return false;
-			break;
-		case 'x':
-			if (!isxdigit(c))
-				return false;
-			break;
-		case 'a':
-			if (!tomoyo_alphabet_char(c))
-				return false;
-			break;
-		case '0':
-		case '1':
-		case '2':
-		case '3':
-			if (c == '\\' && tomoyo_byte_range(filename + 1)
-			    && strncmp(filename + 1, pattern, 3) == 0) {
-				filename += 3;
-				pattern += 2;
-				break;
-			}
-			return false; /* Not matched. */
-		case '*':
-		case '@':
-			for (i = 0; i <= filename_end - filename; i++) {
-				if (tomoyo_file_matches_pattern2(
-						    filename + i, filename_end,
-						    pattern + 1, pattern_end))
-					return true;
-				c = filename[i];
-				if (c == '.' && *pattern == '@')
-					break;
-				if (c != '\\')
-					continue;
-				if (filename[i + 1] == '\\')
-					i++;
-				else if (tomoyo_byte_range(filename + i + 1))
-					i += 3;
-				else
-					break; /* Bad pattern. */
-			}
-			return false; /* Not matched. */
-		default:
-			j = 0;
-			c = *pattern;
-			if (c == '$') {
-				while (isdigit(filename[j]))
-					j++;
-			} else if (c == 'X') {
-				while (isxdigit(filename[j]))
-					j++;
-			} else if (c == 'A') {
-				while (tomoyo_alphabet_char(filename[j]))
-					j++;
-			}
-			for (i = 1; i <= j; i++) {
-				if (tomoyo_file_matches_pattern2(
-						    filename + i, filename_end,
-						    pattern + 1, pattern_end))
-					return true;
-			}
-			return false; /* Not matched or bad pattern. */
-		}
-		filename++;
-		pattern++;
-	}
-	while (*pattern == '\\' &&
-	       (*(pattern + 1) == '*' || *(pattern + 1) == '@'))
-		pattern += 2;
-	return filename == filename_end && pattern == pattern_end;
-}
-
-/**
- * tomoyo_file_matches_pattern - Pattern matching without '/' character.
- *
- * @filename:     The start of string to check.
- * @filename_end: The end of string to check.
- * @pattern:      The start of pattern to compare.
- * @pattern_end:  The end of pattern to compare.
- *
- * Returns true if @filename matches @pattern, false otherwise.
- */
-static bool tomoyo_file_matches_pattern(const char *filename,
-					const char *filename_end,
-					const char *pattern,
-					const char *pattern_end)
-{
-	const char *pattern_start = pattern;
-	bool first = true;
-	bool result;
-
-	while (pattern < pattern_end - 1) {
-		/* Split at "\-" pattern. */
-		if (*pattern++ != '\\' || *pattern++ != '-')
-			continue;
-		result = tomoyo_file_matches_pattern2(filename,
-						      filename_end,
-						      pattern_start,
-						      pattern - 2);
-		if (first)
-			result = !result;
-		if (result)
-			return false;
-		first = false;
-		pattern_start = pattern;
-	}
-	result = tomoyo_file_matches_pattern2(filename, filename_end,
-					      pattern_start, pattern_end);
-	return first ? result : !result;
-}
-
-/**
- * tomoyo_path_matches_pattern2 - Do pathname pattern matching.
- *
- * @f: The start of string to check.
- * @p: The start of pattern to compare.
- *
- * Returns true if @f matches @p, false otherwise.
- */
-static bool tomoyo_path_matches_pattern2(const char *f, const char *p)
-{
-	const char *f_delimiter;
-	const char *p_delimiter;
-
-	while (*f && *p) {
-		f_delimiter = strchr(f, '/');
-		if (!f_delimiter)
-			f_delimiter = f + strlen(f);
-		p_delimiter = strchr(p, '/');
-		if (!p_delimiter)
-			p_delimiter = p + strlen(p);
-		if (*p == '\\' && *(p + 1) == '{')
-			goto recursive;
-		if (!tomoyo_file_matches_pattern(f, f_delimiter, p,
-						 p_delimiter))
-			return false;
-		f = f_delimiter;
-		if (*f)
-			f++;
-		p = p_delimiter;
-		if (*p)
-			p++;
-	}
-	/* Ignore trailing "\*" and "\@" in @pattern. */
-	while (*p == '\\' &&
-	       (*(p + 1) == '*' || *(p + 1) == '@'))
-		p += 2;
-	return !*f && !*p;
- recursive:
-	/*
-	 * The "\{" pattern is permitted only after '/' character.
-	 * This guarantees that below "*(p - 1)" is safe.
-	 * Also, the "\}" pattern is permitted only before '/' character
-	 * so that "\{" + "\}" pair will not break the "\-" operator.
-	 */
-	if (*(p - 1) != '/' || p_delimiter <= p + 3 || *p_delimiter != '/' ||
-	    *(p_delimiter - 1) != '}' || *(p_delimiter - 2) != '\\')
-		return false; /* Bad pattern. */
-	do {
-		/* Compare current component with pattern. */
-		if (!tomoyo_file_matches_pattern(f, f_delimiter, p + 2,
-						 p_delimiter - 2))
-			break;
-		/* Proceed to next component. */
-		f = f_delimiter;
-		if (!*f)
-			break;
-		f++;
-		/* Continue comparison. */
-		if (tomoyo_path_matches_pattern2(f, p_delimiter + 1))
-			return true;
-		f_delimiter = strchr(f, '/');
-	} while (f_delimiter);
-	return false; /* Not matched. */
-}
-
-/**
- * tomoyo_path_matches_pattern - Check whether the given filename matches the given pattern.
- *
- * @filename: The filename to check.
- * @pattern:  The pattern to compare.
- *
- * Returns true if matches, false otherwise.
- *
- * The following patterns are available.
- *   \\     \ itself.
- *   \ooo   Octal representation of a byte.
- *   \*     Zero or more repetitions of characters other than '/'.
- *   \@     Zero or more repetitions of characters other than '/' or '.'.
- *   \?     1 byte character other than '/'.
- *   \$     One or more repetitions of decimal digits.
- *   \+     1 decimal digit.
- *   \X     One or more repetitions of hexadecimal digits.
- *   \x     1 hexadecimal digit.
- *   \A     One or more repetitions of alphabet characters.
- *   \a     1 alphabet character.
- *
- *   \-     Subtraction operator.
- *
- *   /\{dir\}/   '/' + 'One or more repetitions of dir/' (e.g. /dir/ /dir/dir/
- *               /dir/dir/dir/ ).
- */
-bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
-				 const struct tomoyo_path_info *pattern)
-{
-	const char *f = filename->name;
-	const char *p = pattern->name;
-	const int len = pattern->const_len;
-
-	/* If @pattern doesn't contain pattern, I can use strcmp(). */
-	if (!pattern->is_patterned)
-		return !tomoyo_pathcmp(filename, pattern);
-	/* Don't compare directory and non-directory. */
-	if (filename->is_dir != pattern->is_dir)
-		return false;
-	/* Compare the initial length without patterns. */
-	if (strncmp(f, p, len))
-		return false;
-	f += len;
-	p += len;
-	return tomoyo_path_matches_pattern2(f, p);
-}
-
-/**
- * tomoyo_get_exe - Get tomoyo_realpath() of current process.
- *
- * Returns the tomoyo_realpath() of current process on success, NULL otherwise.
- *
- * This function uses kzalloc(), so the caller must call kfree()
- * if this function didn't return NULL.
- */
-const char *tomoyo_get_exe(void)
-{
-	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma;
-	const char *cp = NULL;
-
-	if (!mm)
-		return NULL;
-	down_read(&mm->mmap_sem);
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
-		if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file) {
-			cp = tomoyo_realpath_from_path(&vma->vm_file->f_path);
-			break;
-		}
-	}
-	up_read(&mm->mmap_sem);
-	return cp;
-}
-
-/**
- * tomoyo_get_mode - Get MAC mode.
- *
- * @ns:      Pointer to "struct tomoyo_policy_namespace".
- * @profile: Profile number.
- * @index:   Index number of functionality.
- *
- * Returns mode.
- */
-int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile,
-		    const u8 index)
-{
-	u8 mode;
-	struct tomoyo_profile *p;
-
-	if (!tomoyo_policy_loaded)
-		return TOMOYO_CONFIG_DISABLED;
-	p = tomoyo_profile(ns, profile);
-	mode = p->config[index];
-	if (mode == TOMOYO_CONFIG_USE_DEFAULT)
-		mode = p->config[tomoyo_index2category[index]
-				 + TOMOYO_MAX_MAC_INDEX];
-	if (mode == TOMOYO_CONFIG_USE_DEFAULT)
-		mode = p->default_config;
-	return mode & 3;
-}
-
-/**
- * tomoyo_init_request_info - Initialize "struct tomoyo_request_info" members.
- *
- * @r:      Pointer to "struct tomoyo_request_info" to initialize.
- * @domain: Pointer to "struct tomoyo_domain_info". NULL for tomoyo_domain().
- * @index:  Index number of functionality.
- *
- * Returns mode.
- */
-int tomoyo_init_request_info(struct tomoyo_request_info *r,
-			     struct tomoyo_domain_info *domain, const u8 index)
-{
-	u8 profile;
-	memset(r, 0, sizeof(*r));
-	if (!domain)
-		domain = tomoyo_domain();
-	r->domain = domain;
-	profile = domain->profile;
-	r->profile = profile;
-	r->type = index;
-	r->mode = tomoyo_get_mode(domain->ns, profile, index);
-	return r->mode;
-}
-
-/**
- * tomoyo_domain_quota_is_ok - Check for domain's quota.
- *
- * @r: Pointer to "struct tomoyo_request_info".
- *
- * Returns true if the domain is not exceeded quota, false otherwise.
- *
- * Caller holds tomoyo_read_lock().
- */
-bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r)
-{
-	unsigned int count = 0;
-	struct tomoyo_domain_info *domain = r->domain;
-	struct tomoyo_acl_info *ptr;
-
-	if (r->mode != TOMOYO_CONFIG_LEARNING)
-		return false;
-	if (!domain)
-		return true;
-	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
-		u16 perm;
-		u8 i;
-		if (ptr->is_deleted)
-			continue;
-		switch (ptr->type) {
-		case TOMOYO_TYPE_PATH_ACL:
-			perm = container_of(ptr, struct tomoyo_path_acl, head)
-				->perm;
-			break;
-		case TOMOYO_TYPE_PATH2_ACL:
-			perm = container_of(ptr, struct tomoyo_path2_acl, head)
-				->perm;
-			break;
-		case TOMOYO_TYPE_PATH_NUMBER_ACL:
-			perm = container_of(ptr, struct tomoyo_path_number_acl,
-					    head)->perm;
-			break;
-		case TOMOYO_TYPE_MKDEV_ACL:
-			perm = container_of(ptr, struct tomoyo_mkdev_acl,
-					    head)->perm;
-			break;
-		case TOMOYO_TYPE_INET_ACL:
-			perm = container_of(ptr, struct tomoyo_inet_acl,
-					    head)->perm;
-			break;
-		case TOMOYO_TYPE_UNIX_ACL:
-			perm = container_of(ptr, struct tomoyo_unix_acl,
-					    head)->perm;
-			break;
-		case TOMOYO_TYPE_MANUAL_TASK_ACL:
-			perm = 0;
-			break;
-		default:
-			perm = 1;
-		}
-		for (i = 0; i < 16; i++)
-			if (perm & (1 << i))
-				count++;
-	}
-	if (count < tomoyo_profile(domain->ns, domain->profile)->
-	    pref[TOMOYO_PREF_MAX_LEARNING_ENTRY])
-		return true;
-	if (!domain->flags[TOMOYO_DIF_QUOTA_WARNED]) {
-		domain->flags[TOMOYO_DIF_QUOTA_WARNED] = true;
-		/* r->granted = false; */
-		tomoyo_write_log(r, "%s", tomoyo_dif[TOMOYO_DIF_QUOTA_WARNED]);
-		printk(KERN_WARNING "WARNING: "
-		       "Domain '%s' has too many ACLs to hold. "
-		       "Stopped learning mode.\n", domain->domainname->name);
-	}
-	return false;
-}