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📁 ..
📄 archive.h(51.93 KB)
📄 archive_acl.c(51.2 KB)
📄 archive_acl_private.h(3.13 KB)
📄 archive_blake2.h(6.32 KB)
📄 archive_blake2_impl.h(4.12 KB)
📄 archive_blake2s_ref.c(9.46 KB)
📄 archive_blake2sp_ref.c(9.11 KB)
📄 archive_check_magic.c(4.7 KB)
📄 archive_cmdline.c(5.21 KB)
📄 archive_cmdline_private.h(1.82 KB)
📄 archive_crc32.h(2.97 KB)
📄 archive_cryptor.c(13.46 KB)
📄 archive_cryptor_private.h(6.02 KB)
📄 archive_digest.c(28.79 KB)
📄 archive_digest_private.h(13.88 KB)
📄 archive_disk_acl_freebsd.c(18.86 KB)
📄 archive_endian.h(5.28 KB)
📄 archive_entry.3(4.85 KB)
📄 archive_entry.c(53.48 KB)
📄 archive_entry.h(32.79 KB)
📄 archive_entry_acl.3(14.32 KB)
📄 archive_entry_copy_stat.c(3.73 KB)
📄 archive_entry_link_resolver.c(11.74 KB)
📄 archive_entry_linkify.3(5.9 KB)
📄 archive_entry_locale.h(4.41 KB)
📄 archive_entry_misc.3(2.47 KB)
📄 archive_entry_paths.3(5.53 KB)
📄 archive_entry_perms.3(7.59 KB)
📄 archive_entry_private.h(6.09 KB)
📄 archive_entry_sparse.c(3.95 KB)
📄 archive_entry_stat.3(8.1 KB)
📄 archive_entry_stat.c(4.29 KB)
📄 archive_entry_strmode.c(2.6 KB)
📄 archive_entry_time.3(4.5 KB)
📄 archive_entry_xattr.c(3.86 KB)
📄 archive_getdate.c(29.9 KB)
📄 archive_getdate.h(1.56 KB)
📄 archive_hmac.c(7.32 KB)
📄 archive_hmac_private.h(3.59 KB)
📄 archive_match.c(47.14 KB)
📄 archive_openssl_evp_private.h(1.92 KB)
📄 archive_openssl_hmac_private.h(1.98 KB)
📄 archive_options.c(5.22 KB)
📄 archive_options_private.h(2.02 KB)
📄 archive_pack_dev.c(9.13 KB)
📄 archive_pack_dev.h(2.08 KB)
📄 archive_pathmatch.c(10.64 KB)
📄 archive_pathmatch.h(2.09 KB)
📄 archive_platform.h(5.93 KB)
📄 archive_platform_acl.h(2 KB)
📄 archive_platform_xattr.h(1.82 KB)
📄 archive_ppmd7.c(27.63 KB)
📄 archive_ppmd7_private.h(3.01 KB)
📄 archive_ppmd8.c(31.05 KB)
📄 archive_ppmd8_private.h(3.82 KB)
📄 archive_ppmd_private.h(3.31 KB)
📄 archive_private.h(5.56 KB)
📄 archive_random.c(6.67 KB)
📄 archive_random_private.h(1.6 KB)
📄 archive_rb.c(20.84 KB)
📄 archive_rb.h(4.43 KB)
📄 archive_read.3(7.18 KB)
📄 archive_read.c(48.21 KB)
📄 archive_read_add_passphrase.3(2.48 KB)
📄 archive_read_add_passphrase.c(5.21 KB)
📄 archive_read_append_filter.c(6.1 KB)
📄 archive_read_data.3(4.23 KB)
📄 archive_read_data_into_fd.c(3.94 KB)
📄 archive_read_disk.3(10.36 KB)
📄 archive_read_disk_entry_from_file.c(27.96 KB)
📄 archive_read_disk_posix.c(72.18 KB)
📄 archive_read_disk_private.h(3.31 KB)
📄 archive_read_disk_set_standard_lookup.c(8.03 KB)
📄 archive_read_extract.3(4.39 KB)
📄 archive_read_extract.c(2.21 KB)
📄 archive_read_extract2.c(4.5 KB)
📄 archive_read_filter.3(5.56 KB)
📄 archive_read_format.3(5.97 KB)
📄 archive_read_free.3(3.07 KB)
📄 archive_read_header.3(2.97 KB)
📄 archive_read_new.3(2.08 KB)
📄 archive_read_open.3(6.78 KB)
📄 archive_read_open_fd.c(5.92 KB)
📄 archive_read_open_file.c(4.9 KB)
📄 archive_read_open_filename.c(17.56 KB)
📄 archive_read_open_memory.c(5.43 KB)
📄 archive_read_private.h(9.26 KB)
📄 archive_read_set_format.c(3.43 KB)
📄 archive_read_set_options.3(6.53 KB)
📄 archive_read_set_options.c(4.6 KB)
📄 archive_read_support_filter_all.c(3.5 KB)
📄 archive_read_support_filter_by_code.c(2.76 KB)
📄 archive_read_support_filter_bzip2.c(9.93 KB)
📄 archive_read_support_filter_compress.c(13.44 KB)
📄 archive_read_support_filter_grzip.c(3.52 KB)
📄 archive_read_support_filter_gzip.c(13.48 KB)
📄 archive_read_support_filter_lrzip.c(3.79 KB)
📄 archive_read_support_filter_lz4.c(20.26 KB)
📄 archive_read_support_filter_lzop.c(13.59 KB)
📄 archive_read_support_filter_none.c(1.87 KB)
📄 archive_read_support_filter_program.c(13.21 KB)
📄 archive_read_support_filter_rpm.c(6.84 KB)
📄 archive_read_support_filter_uu.c(18.34 KB)
📄 archive_read_support_filter_xz.c(21.51 KB)
📄 archive_read_support_filter_zstd.c(7.59 KB)
📄 archive_read_support_format_7zip.c(97.12 KB)
📄 archive_read_support_format_all.c(3.47 KB)
📄 archive_read_support_format_ar.c(17.4 KB)
📄 archive_read_support_format_by_code.c(2.99 KB)
📄 archive_read_support_format_cab.c(83 KB)
📄 archive_read_support_format_cpio.c(31.93 KB)
📄 archive_read_support_format_empty.c(2.93 KB)
📄 archive_read_support_format_iso9660.c(92.13 KB)
📄 archive_read_support_format_lha.c(83.33 KB)
📄 archive_read_support_format_mtree.c(51.86 KB)
📄 archive_read_support_format_rar.c(84.34 KB)
📄 archive_read_support_format_rar5.c(107.18 KB)
📄 archive_read_support_format_raw.c(5.43 KB)
📄 archive_read_support_format_tar.c(83.23 KB)
📄 archive_read_support_format_warc.c(21.17 KB)
📄 archive_read_support_format_xar.c(79.96 KB)
📄 archive_read_support_format_zip.c(117.12 KB)
📄 archive_string.c(104.04 KB)
📄 archive_string.h(9.26 KB)
📄 archive_string_composition.h(80.15 KB)
📄 archive_string_sprintf.c(5.13 KB)
📄 archive_util.3(6.97 KB)
📄 archive_util.c(14.54 KB)
📄 archive_version_details.c(3.55 KB)
📄 archive_virtual.c(3.95 KB)
📄 archive_write.3(7.32 KB)
📄 archive_write.c(21.65 KB)
📄 archive_write_add_filter.c(2.63 KB)
📄 archive_write_add_filter_b64encode.c(8.41 KB)
📄 archive_write_add_filter_by_name.c(2.65 KB)
📄 archive_write_add_filter_bzip2.c(11.14 KB)
📄 archive_write_add_filter_compress.c(12.62 KB)
📄 archive_write_add_filter_grzip.c(4.22 KB)
📄 archive_write_add_filter_gzip.c(12.34 KB)
📄 archive_write_add_filter_lrzip.c(5.72 KB)
📄 archive_write_add_filter_lz4.c(18.85 KB)
📄 archive_write_add_filter_lzop.c(13.69 KB)
📄 archive_write_add_filter_none.c(1.67 KB)
📄 archive_write_add_filter_program.c(9.77 KB)
📄 archive_write_add_filter_uuencode.c(8.09 KB)
📄 archive_write_add_filter_xz.c(14.97 KB)
📄 archive_write_add_filter_zstd.c(10.7 KB)
📄 archive_write_blocksize.3(4.13 KB)
📄 archive_write_data.3(3.09 KB)
📄 archive_write_disk.3(11.82 KB)
📄 archive_write_disk_posix.c(123.89 KB)
📄 archive_write_disk_private.h(1.77 KB)
📄 archive_write_disk_set_standard_lookup.c(6.91 KB)
📄 archive_write_filter.3(4.47 KB)
📄 archive_write_finish_entry.3(2.67 KB)
📄 archive_write_format.3(5.99 KB)
📄 archive_write_free.3(3.05 KB)
📄 archive_write_header.3(2.44 KB)
📄 archive_write_new.3(2.02 KB)
📄 archive_write_open.3(8.01 KB)
📄 archive_write_open_fd.c(3.9 KB)
📄 archive_write_open_file.c(2.93 KB)
📄 archive_write_open_filename.c(6.85 KB)
📄 archive_write_open_memory.c(3.61 KB)
📄 archive_write_private.h(5.64 KB)
📄 archive_write_set_format.c(4 KB)
📄 archive_write_set_format_7zip.c(55.14 KB)
📄 archive_write_set_format_ar.c(14.08 KB)
📄 archive_write_set_format_by_name.c(3.35 KB)
📄 archive_write_set_format_cpio.c(14.24 KB)
📄 archive_write_set_format_cpio_newc.c(13.11 KB)
📄 archive_write_set_format_filter_by_ext.c(4.67 KB)
📄 archive_write_set_format_gnutar.c(22.62 KB)
📄 archive_write_set_format_iso9660.c(206.67 KB)
📄 archive_write_set_format_mtree.c(58.1 KB)
📄 archive_write_set_format_pax.c(59.85 KB)
📄 archive_write_set_format_private.h(1.71 KB)
📄 archive_write_set_format_raw.c(3.65 KB)
📄 archive_write_set_format_shar.c(16.93 KB)
📄 archive_write_set_format_ustar.c(21.98 KB)
📄 archive_write_set_format_v7tar.c(18.02 KB)
📄 archive_write_set_format_warc.c(11.2 KB)
📄 archive_write_set_format_xar.c(79.49 KB)
📄 archive_write_set_format_zip.c(48.7 KB)
📄 archive_write_set_options.3(21.85 KB)
📄 archive_write_set_options.c(4.07 KB)
📄 archive_write_set_passphrase.3(2.46 KB)
📄 archive_write_set_passphrase.c(2.89 KB)
📄 archive_xxhash.h(1.86 KB)
📄 cpio.5(10.45 KB)
📄 filter_fork.h(1.68 KB)
📄 filter_fork_posix.c(6.18 KB)
📄 libarchive-formats.5(18.29 KB)
📄 libarchive.3(8.02 KB)
📄 libarchive_changes.3(9.95 KB)
📄 libarchive_internals.3(13.36 KB)
📄 tar.5(31 KB)
📁 test
📄 xxhash.c(15.77 KB)

Editing: archive_pathmatch.c

/*-
 * Copyright (c) 2003-2007 Tim Kientzle
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in this position and unchanged.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "archive_platform.h"
__FBSDID("$FreeBSD$");

#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif

#include "archive_pathmatch.h"

/*
 * Check whether a character 'c' is matched by a list specification [...]:
 *    * Leading '!' or '^' negates the class.
 *    * <char>-<char> is a range of characters
 *    * \<char> removes any special meaning for <char>
 *
 * Some interesting boundary cases:
 *   a-d-e is one range (a-d) followed by two single characters - and e.
 *   \a-\d is same as a-d
 *   a\-d is three single characters: a, d, -
 *   Trailing - is not special (so [a-] is two characters a and -).
 *   Initial - is not special ([a-] is same as [-a] is same as [\\-a])
 *   This function never sees a trailing \.
 *   [] always fails
 *   [!] always succeeds
 */
static int
pm_list(const char *start, const char *end, const char c, int flags)
{
	const char *p = start;
	char rangeStart = '\0', nextRangeStart;
	int match = 1, nomatch = 0;

/* This will be used soon... */
	(void)flags; /* UNUSED */

/* If this is a negated class, return success for nomatch. */
	if ((*p == '!' || *p == '^') && p < end) {
		match = 0;
		nomatch = 1;
		++p;
	}

while (p < end) {
		nextRangeStart = '\0';
		switch (*p) {
		case '-':
			/* Trailing or initial '-' is not special. */
			if ((rangeStart == '\0') || (p == end - 1)) {
				if (*p == c)
					return (match);
			} else {
				char rangeEnd = *++p;
				if (rangeEnd == '\\')
					rangeEnd = *++p;
				if ((rangeStart <= c) && (c <= rangeEnd))
					return (match);
			}
			break;
		case '\\':
			++p;
			/* Fall through */
		default:
			if (*p == c)
				return (match);
			nextRangeStart = *p; /* Possible start of range. */
		}
		rangeStart = nextRangeStart;
		++p;
	}
	return (nomatch);
}

static int
pm_list_w(const wchar_t *start, const wchar_t *end, const wchar_t c, int flags)
{
	const wchar_t *p = start;
	wchar_t rangeStart = L'\0', nextRangeStart;
	int match = 1, nomatch = 0;

/* This will be used soon... */
	(void)flags; /* UNUSED */

/* If this is a negated class, return success for nomatch. */
	if ((*p == L'!' || *p == L'^') && p < end) {
		match = 0;
		nomatch = 1;
		++p;
	}

while (p < end) {
		nextRangeStart = L'\0';
		switch (*p) {
		case L'-':
			/* Trailing or initial '-' is not special. */
			if ((rangeStart == L'\0') || (p == end - 1)) {
				if (*p == c)
					return (match);
			} else {
				wchar_t rangeEnd = *++p;
				if (rangeEnd == L'\\')
					rangeEnd = *++p;
				if ((rangeStart <= c) && (c <= rangeEnd))
					return (match);
			}
			break;
		case L'\\':
			++p;
			/* Fall through */
		default:
			if (*p == c)
				return (match);
			nextRangeStart = *p; /* Possible start of range. */
		}
		rangeStart = nextRangeStart;
		++p;
	}
	return (nomatch);
}

/*
 * If s is pointing to "./", ".//", "./././" or the like, skip it.
 */
static const char *
pm_slashskip(const char *s) {
	while ((*s == '/')
	    || (s[0] == '.' && s[1] == '/')
	    || (s[0] == '.' && s[1] == '\0'))
		++s;
	return (s);
}

static const wchar_t *
pm_slashskip_w(const wchar_t *s) {
	while ((*s == L'/')
	    || (s[0] == L'.' && s[1] == L'/')
	    || (s[0] == L'.' && s[1] == L'\0'))
		++s;
	return (s);
}

static int
pm(const char *p, const char *s, int flags)
{
	const char *end;

/*
	 * Ignore leading './', './/', '././', etc.
	 */
	if (s[0] == '.' && s[1] == '/')
		s = pm_slashskip(s + 1);
	if (p[0] == '.' && p[1] == '/')
		p = pm_slashskip(p + 1);

for (;;) {
		switch (*p) {
		case '\0':
			if (s[0] == '/') {
				if (flags & PATHMATCH_NO_ANCHOR_END)
					return (1);
				/* "dir" == "dir/" == "dir/." */
				s = pm_slashskip(s);
			}
			return (*s == '\0');
		case '?':
			/* ? always succeeds, unless we hit end of 's' */
			if (*s == '\0')
				return (0);
			break;
		case '*':
			/* "*" == "**" == "***" ... */
			while (*p == '*')
				++p;
			/* Trailing '*' always succeeds. */
			if (*p == '\0')
				return (1);
			while (*s) {
				if (archive_pathmatch(p, s, flags))
					return (1);
				++s;
			}
			return (0);
		case '[':
			/*
			 * Find the end of the [...] character class,
			 * ignoring \] that might occur within the class.
			 */
			end = p + 1;
			while (*end != '\0' && *end != ']') {
				if (*end == '\\' && end[1] != '\0')
					++end;
				++end;
			}
			if (*end == ']') {
				/* We found [...], try to match it. */
				if (!pm_list(p + 1, end, *s, flags))
					return (0);
				p = end; /* Jump to trailing ']' char. */
				break;
			} else
				/* No final ']', so just match '['. */
				if (*p != *s)
					return (0);
			break;
		case '\\':
			/* Trailing '\\' matches itself. */
			if (p[1] == '\0') {
				if (*s != '\\')
					return (0);
			} else {
				++p;
				if (*p != *s)
					return (0);
			}
			break;
		case '/':
			if (*s != '/' && *s != '\0')
				return (0);
			/* Note: pattern "/\./" won't match "/";
			 * pm_slashskip() correctly stops at backslash. */
			p = pm_slashskip(p);
			s = pm_slashskip(s);
			if (*p == '\0' && (flags & PATHMATCH_NO_ANCHOR_END))
				return (1);
			--p; /* Counteract the increment below. */
			--s;
			break;
		case '$':
			/* '$' is special only at end of pattern and only
			 * if PATHMATCH_NO_ANCHOR_END is specified. */
			if (p[1] == '\0' && (flags & PATHMATCH_NO_ANCHOR_END)){
				/* "dir" == "dir/" == "dir/." */
				return (*pm_slashskip(s) == '\0');
			}
			/* Otherwise, '$' is not special. */
			/* FALL THROUGH */
		default:
			if (*p != *s)
				return (0);
			break;
		}
		++p;
		++s;
	}
}

static int
pm_w(const wchar_t *p, const wchar_t *s, int flags)
{
	const wchar_t *end;

/*
	 * Ignore leading './', './/', '././', etc.
	 */
	if (s[0] == L'.' && s[1] == L'/')
		s = pm_slashskip_w(s + 1);
	if (p[0] == L'.' && p[1] == L'/')
		p = pm_slashskip_w(p + 1);

for (;;) {
		switch (*p) {
		case L'\0':
			if (s[0] == L'/') {
				if (flags & PATHMATCH_NO_ANCHOR_END)
					return (1);
				/* "dir" == "dir/" == "dir/." */
				s = pm_slashskip_w(s);
			}
			return (*s == L'\0');
		case L'?':
			/* ? always succeeds, unless we hit end of 's' */
			if (*s == L'\0')
				return (0);
			break;
		case L'*':
			/* "*" == "**" == "***" ... */
			while (*p == L'*')
				++p;
			/* Trailing '*' always succeeds. */
			if (*p == L'\0')
				return (1);
			while (*s) {
				if (archive_pathmatch_w(p, s, flags))
					return (1);
				++s;
			}
			return (0);
		case L'[':
			/*
			 * Find the end of the [...] character class,
			 * ignoring \] that might occur within the class.
			 */
			end = p + 1;
			while (*end != L'\0' && *end != L']') {
				if (*end == L'\\' && end[1] != L'\0')
					++end;
				++end;
			}
			if (*end == L']') {
				/* We found [...], try to match it. */
				if (!pm_list_w(p + 1, end, *s, flags))
					return (0);
				p = end; /* Jump to trailing ']' char. */
				break;
			} else
				/* No final ']', so just match '['. */
				if (*p != *s)
					return (0);
			break;
		case L'\\':
			/* Trailing '\\' matches itself. */
			if (p[1] == L'\0') {
				if (*s != L'\\')
					return (0);
			} else {
				++p;
				if (*p != *s)
					return (0);
			}
			break;
		case L'/':
			if (*s != L'/' && *s != L'\0')
				return (0);
			/* Note: pattern "/\./" won't match "/";
			 * pm_slashskip() correctly stops at backslash. */
			p = pm_slashskip_w(p);
			s = pm_slashskip_w(s);
			if (*p == L'\0' && (flags & PATHMATCH_NO_ANCHOR_END))
				return (1);
			--p; /* Counteract the increment below. */
			--s;
			break;
		case L'$':
			/* '$' is special only at end of pattern and only
			 * if PATHMATCH_NO_ANCHOR_END is specified. */
			if (p[1] == L'\0' && (flags & PATHMATCH_NO_ANCHOR_END)){
				/* "dir" == "dir/" == "dir/." */
				return (*pm_slashskip_w(s) == L'\0');
			}
			/* Otherwise, '$' is not special. */
			/* FALL THROUGH */
		default:
			if (*p != *s)
				return (0);
			break;
		}
		++p;
		++s;
	}
}

/* Main entry point. */
int
__archive_pathmatch(const char *p, const char *s, int flags)
{
	/* Empty pattern only matches the empty string. */
	if (p == NULL || *p == '\0')
		return (s == NULL || *s == '\0');

/* Leading '^' anchors the start of the pattern. */
	if (*p == '^') {
		++p;
		flags &= ~PATHMATCH_NO_ANCHOR_START;
	}

if (*p == '/' && *s != '/')
		return (0);

/* Certain patterns anchor implicitly. */
	if (*p == '*' || *p == '/') {
		while (*p == '/')
			++p;
		while (*s == '/')
			++s;
		return (pm(p, s, flags));
	}

/* If start is unanchored, try to match start of each path element. */
	if (flags & PATHMATCH_NO_ANCHOR_START) {
		for ( ; s != NULL; s = strchr(s, '/')) {
			if (*s == '/')
				s++;
			if (pm(p, s, flags))
				return (1);
		}
		return (0);
	}

/* Default: Match from beginning. */
	return (pm(p, s, flags));
}

int
__archive_pathmatch_w(const wchar_t *p, const wchar_t *s, int flags)
{
	/* Empty pattern only matches the empty string. */
	if (p == NULL || *p == L'\0')
		return (s == NULL || *s == L'\0');

/* Leading '^' anchors the start of the pattern. */
	if (*p == L'^') {
		++p;
		flags &= ~PATHMATCH_NO_ANCHOR_START;
	}

if (*p == L'/' && *s != L'/')
		return (0);

/* Certain patterns anchor implicitly. */
	if (*p == L'*' || *p == L'/') {
		while (*p == L'/')
			++p;
		while (*s == L'/')
			++s;
		return (pm_w(p, s, flags));
	}

/* If start is unanchored, try to match start of each path element. */
	if (flags & PATHMATCH_NO_ANCHOR_START) {
		for ( ; s != NULL; s = wcschr(s, L'/')) {
			if (*s == L'/')
				s++;
			if (pm_w(p, s, flags))
				return (1);
		}
		return (0);
	}

/* Default: Match from beginning. */
	return (pm_w(p, s, flags));
}

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