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-rw-r--r--src/libs/3rdparty/libarchive/archive_util.c704
1 files changed, 704 insertions, 0 deletions
diff --git a/src/libs/3rdparty/libarchive/archive_util.c b/src/libs/3rdparty/libarchive/archive_util.c
new file mode 100644
index 000000000..40603c483
--- /dev/null
+++ b/src/libs/3rdparty/libarchive/archive_util.c
@@ -0,0 +1,704 @@
+/*-
+ * Copyright (c) 2009-2012,2014 Michihiro NAKAJIMA
+ * 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.
+ * 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: head/lib/libarchive/archive_util.c 201098 2009-12-28 02:58:14Z kientzle $");
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
+/* don't use bcrypt when XP needs to be supported */
+#include <bcrypt.h>
+
+/* Common in other bcrypt implementations, but missing from VS2008. */
+#ifndef BCRYPT_SUCCESS
+#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS)
+#endif
+
+#elif defined(HAVE_WINCRYPT_H)
+#include <wincrypt.h>
+#endif
+#endif
+#ifdef HAVE_ZLIB_H
+#include <zlib.h>
+#endif
+#ifdef HAVE_LZMA_H
+#include <lzma.h>
+#endif
+#ifdef HAVE_BZLIB_H
+#include <bzlib.h>
+#endif
+#ifdef HAVE_LZ4_H
+#include <lz4.h>
+#endif
+
+#include "archive.h"
+#include "archive_private.h"
+#include "archive_random_private.h"
+#include "archive_string.h"
+
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
+
+static int archive_utility_string_sort_helper(char **, unsigned int);
+
+/* Generic initialization of 'struct archive' objects. */
+int
+__archive_clean(struct archive *a)
+{
+ archive_string_conversion_free(a);
+ return (ARCHIVE_OK);
+}
+
+int
+archive_version_number(void)
+{
+ return (ARCHIVE_VERSION_NUMBER);
+}
+
+const char *
+archive_version_string(void)
+{
+ return (ARCHIVE_VERSION_STRING);
+}
+
+int
+archive_errno(struct archive *a)
+{
+ return (a->archive_error_number);
+}
+
+const char *
+archive_error_string(struct archive *a)
+{
+
+ if (a->error != NULL && *a->error != '\0')
+ return (a->error);
+ else
+ return (NULL);
+}
+
+int
+archive_file_count(struct archive *a)
+{
+ return (a->file_count);
+}
+
+int
+archive_format(struct archive *a)
+{
+ return (a->archive_format);
+}
+
+const char *
+archive_format_name(struct archive *a)
+{
+ return (a->archive_format_name);
+}
+
+
+int
+archive_compression(struct archive *a)
+{
+ return archive_filter_code(a, 0);
+}
+
+const char *
+archive_compression_name(struct archive *a)
+{
+ return archive_filter_name(a, 0);
+}
+
+
+/*
+ * Return a count of the number of compressed bytes processed.
+ */
+la_int64_t
+archive_position_compressed(struct archive *a)
+{
+ return archive_filter_bytes(a, -1);
+}
+
+/*
+ * Return a count of the number of uncompressed bytes processed.
+ */
+la_int64_t
+archive_position_uncompressed(struct archive *a)
+{
+ return archive_filter_bytes(a, 0);
+}
+
+void
+archive_clear_error(struct archive *a)
+{
+ archive_string_empty(&a->error_string);
+ a->error = NULL;
+ a->archive_error_number = 0;
+}
+
+void
+archive_set_error(struct archive *a, int error_number, const char *fmt, ...)
+{
+ va_list ap;
+
+ a->archive_error_number = error_number;
+ if (fmt == NULL) {
+ a->error = NULL;
+ return;
+ }
+
+ archive_string_empty(&(a->error_string));
+ va_start(ap, fmt);
+ archive_string_vsprintf(&(a->error_string), fmt, ap);
+ va_end(ap);
+ a->error = a->error_string.s;
+}
+
+void
+archive_copy_error(struct archive *dest, struct archive *src)
+{
+ dest->archive_error_number = src->archive_error_number;
+
+ archive_string_copy(&dest->error_string, &src->error_string);
+ dest->error = dest->error_string.s;
+}
+
+void
+__archive_errx(int retvalue, const char *msg)
+{
+ static const char msg1[] = "Fatal Internal Error in libarchive: ";
+ size_t s;
+
+ s = write(2, msg1, strlen(msg1));
+ (void)s; /* UNUSED */
+ s = write(2, msg, strlen(msg));
+ (void)s; /* UNUSED */
+ s = write(2, "\n", 1);
+ (void)s; /* UNUSED */
+ exit(retvalue);
+}
+
+/*
+ * Create a temporary file
+ */
+#if defined(_WIN32) && !defined(__CYGWIN__)
+
+/*
+ * Do not use Windows tmpfile() function.
+ * It will make a temporary file under the root directory
+ * and it'll cause permission error if a user who is
+ * non-Administrator creates temporary files.
+ * Also Windows version of mktemp family including _mktemp_s
+ * are not secure.
+ */
+static int
+__archive_mktempx(const char *tmpdir, wchar_t *template)
+{
+ static const wchar_t prefix[] = L"libarchive_";
+ static const wchar_t suffix[] = L"XXXXXXXXXX";
+ static const wchar_t num[] = {
+ L'0', L'1', L'2', L'3', L'4', L'5', L'6', L'7',
+ L'8', L'9', L'A', L'B', L'C', L'D', L'E', L'F',
+ L'G', L'H', L'I', L'J', L'K', L'L', L'M', L'N',
+ L'O', L'P', L'Q', L'R', L'S', L'T', L'U', L'V',
+ L'W', L'X', L'Y', L'Z', L'a', L'b', L'c', L'd',
+ L'e', L'f', L'g', L'h', L'i', L'j', L'k', L'l',
+ L'm', L'n', L'o', L'p', L'q', L'r', L's', L't',
+ L'u', L'v', L'w', L'x', L'y', L'z'
+ };
+ struct archive_wstring temp_name;
+ wchar_t *ws;
+ DWORD attr;
+ wchar_t *xp, *ep;
+ int fd;
+#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ BCRYPT_ALG_HANDLE hAlg = NULL;
+#else
+ HCRYPTPROV hProv = (HCRYPTPROV)NULL;
+#endif
+ fd = -1;
+ ws = NULL;
+
+ if (template == NULL) {
+ archive_string_init(&temp_name);
+
+ /* Get a temporary directory. */
+ if (tmpdir == NULL) {
+ size_t l;
+ wchar_t *tmp;
+
+ l = GetTempPathW(0, NULL);
+ if (l == 0) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+ tmp = malloc(l*sizeof(wchar_t));
+ if (tmp == NULL) {
+ errno = ENOMEM;
+ goto exit_tmpfile;
+ }
+ GetTempPathW((DWORD)l, tmp);
+ archive_wstrcpy(&temp_name, tmp);
+ free(tmp);
+ } else {
+ if (archive_wstring_append_from_mbs(&temp_name, tmpdir,
+ strlen(tmpdir)) < 0)
+ goto exit_tmpfile;
+ if (temp_name.s[temp_name.length-1] != L'/')
+ archive_wstrappend_wchar(&temp_name, L'/');
+ }
+
+ /* Check if temp_name is a directory. */
+ attr = GetFileAttributesW(temp_name.s);
+ if (attr == (DWORD)-1) {
+ if (GetLastError() != ERROR_FILE_NOT_FOUND) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+ ws = __la_win_permissive_name_w(temp_name.s);
+ if (ws == NULL) {
+ errno = EINVAL;
+ goto exit_tmpfile;
+ }
+ attr = GetFileAttributesW(ws);
+ if (attr == (DWORD)-1) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+ }
+ if (!(attr & FILE_ATTRIBUTE_DIRECTORY)) {
+ errno = ENOTDIR;
+ goto exit_tmpfile;
+ }
+
+ /*
+ * Create a temporary file.
+ */
+ archive_wstrcat(&temp_name, prefix);
+ archive_wstrcat(&temp_name, suffix);
+ ep = temp_name.s + archive_strlen(&temp_name);
+ xp = ep - wcslen(suffix);
+ template = temp_name.s;
+ } else {
+ xp = wcschr(template, L'X');
+ if (xp == NULL) /* No X, programming error */
+ abort();
+ for (ep = xp; *ep == L'X'; ep++)
+ continue;
+ if (*ep) /* X followed by non X, programming error */
+ abort();
+ }
+
+#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ if (!BCRYPT_SUCCESS(BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_RNG_ALGORITHM,
+ NULL, 0))) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+#else
+ if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL,
+ CRYPT_VERIFYCONTEXT)) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+#endif
+
+ for (;;) {
+ wchar_t *p;
+ HANDLE h;
+# if _WIN32_WINNT >= 0x0602 /* _WIN32_WINNT_WIN8 */
+ CREATEFILE2_EXTENDED_PARAMETERS createExParams;
+#endif
+
+ /* Generate a random file name through CryptGenRandom(). */
+ p = xp;
+#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ if (!BCRYPT_SUCCESS(BCryptGenRandom(hAlg, (PUCHAR)p,
+ (DWORD)(ep - p)*sizeof(wchar_t), 0))) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+#else
+ if (!CryptGenRandom(hProv, (DWORD)(ep - p)*sizeof(wchar_t),
+ (BYTE*)p)) {
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+#endif
+ for (; p < ep; p++)
+ *p = num[((DWORD)*p) % (sizeof(num)/sizeof(num[0]))];
+
+ free(ws);
+ ws = __la_win_permissive_name_w(template);
+ if (ws == NULL) {
+ errno = EINVAL;
+ goto exit_tmpfile;
+ }
+ if (template == temp_name.s) {
+ attr = FILE_ATTRIBUTE_TEMPORARY |
+ FILE_FLAG_DELETE_ON_CLOSE;
+ } else {
+ /* mkstemp */
+ attr = FILE_ATTRIBUTE_NORMAL;
+ }
+# if _WIN32_WINNT >= 0x0602 /* _WIN32_WINNT_WIN8 */
+ ZeroMemory(&createExParams, sizeof(createExParams));
+ createExParams.dwSize = sizeof(createExParams);
+ createExParams.dwFileAttributes = attr & 0xFFFF;
+ createExParams.dwFileFlags = attr & 0xFFF00000;
+ h = CreateFile2(ws,
+ GENERIC_READ | GENERIC_WRITE | DELETE,
+ 0,/* Not share */
+ CREATE_NEW,
+ &createExParams);
+#else
+ h = CreateFileW(ws,
+ GENERIC_READ | GENERIC_WRITE | DELETE,
+ 0,/* Not share */
+ NULL,
+ CREATE_NEW,/* Create a new file only */
+ attr,
+ NULL);
+#endif
+ if (h == INVALID_HANDLE_VALUE) {
+ /* The same file already exists. retry with
+ * a new filename. */
+ if (GetLastError() == ERROR_FILE_EXISTS)
+ continue;
+ /* Otherwise, fail creation temporary file. */
+ la_dosmaperr(GetLastError());
+ goto exit_tmpfile;
+ }
+ fd = _open_osfhandle((intptr_t)h, _O_BINARY | _O_RDWR);
+ if (fd == -1) {
+ la_dosmaperr(GetLastError());
+ CloseHandle(h);
+ goto exit_tmpfile;
+ } else
+ break;/* success! */
+ }
+exit_tmpfile:
+#if defined(HAVE_BCRYPT_H) && _WIN32_WINNT >= _WIN32_WINNT_VISTA
+ if (hAlg != NULL)
+ BCryptCloseAlgorithmProvider(hAlg, 0);
+#else
+ if (hProv != (HCRYPTPROV)NULL)
+ CryptReleaseContext(hProv, 0);
+#endif
+ free(ws);
+ if (template == temp_name.s)
+ archive_wstring_free(&temp_name);
+ return (fd);
+}
+
+int
+__archive_mktemp(const char *tmpdir)
+{
+ return __archive_mktempx(tmpdir, NULL);
+}
+
+int
+__archive_mkstemp(wchar_t *template)
+{
+ return __archive_mktempx(NULL, template);
+}
+
+#else
+
+static int
+get_tempdir(struct archive_string *temppath)
+{
+ const char *tmp;
+
+ tmp = getenv("TMPDIR");
+ if (tmp == NULL)
+#ifdef _PATH_TMP
+ tmp = _PATH_TMP;
+#else
+ tmp = "/tmp";
+#endif
+ archive_strcpy(temppath, tmp);
+ if (temppath->s[temppath->length-1] != '/')
+ archive_strappend_char(temppath, '/');
+ return (ARCHIVE_OK);
+}
+
+#if defined(HAVE_MKSTEMP)
+
+/*
+ * We can use mkstemp().
+ */
+
+int
+__archive_mktemp(const char *tmpdir)
+{
+ struct archive_string temp_name;
+ int fd = -1;
+
+ archive_string_init(&temp_name);
+ if (tmpdir == NULL) {
+ if (get_tempdir(&temp_name) != ARCHIVE_OK)
+ goto exit_tmpfile;
+ } else {
+ archive_strcpy(&temp_name, tmpdir);
+ if (temp_name.s[temp_name.length-1] != '/')
+ archive_strappend_char(&temp_name, '/');
+ }
+#ifdef O_TMPFILE
+ fd = open(temp_name.s, O_RDWR|O_CLOEXEC|O_TMPFILE|O_EXCL, 0600);
+ if(fd >= 0)
+ goto exit_tmpfile;
+#endif
+ archive_strcat(&temp_name, "libarchive_XXXXXX");
+ fd = mkstemp(temp_name.s);
+ if (fd < 0)
+ goto exit_tmpfile;
+ __archive_ensure_cloexec_flag(fd);
+ unlink(temp_name.s);
+exit_tmpfile:
+ archive_string_free(&temp_name);
+ return (fd);
+}
+
+int
+__archive_mkstemp(char *template)
+{
+ int fd = -1;
+ fd = mkstemp(template);
+ if (fd >= 0)
+ __archive_ensure_cloexec_flag(fd);
+ return (fd);
+}
+
+#else /* !HAVE_MKSTEMP */
+
+/*
+ * We use a private routine.
+ */
+
+static int
+__archive_mktempx(const char *tmpdir, char *template)
+{
+ static const char num[] = {
+ '0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'A', 'B', 'C', 'D', 'E', 'F',
+ 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
+ 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
+ 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
+ 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
+ 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+ 'u', 'v', 'w', 'x', 'y', 'z'
+ };
+ struct archive_string temp_name;
+ struct stat st;
+ int fd;
+ char *tp, *ep;
+
+ fd = -1;
+ if (template == NULL) {
+ archive_string_init(&temp_name);
+ if (tmpdir == NULL) {
+ if (get_tempdir(&temp_name) != ARCHIVE_OK)
+ goto exit_tmpfile;
+ } else
+ archive_strcpy(&temp_name, tmpdir);
+ if (temp_name.s[temp_name.length-1] == '/') {
+ temp_name.s[temp_name.length-1] = '\0';
+ temp_name.length --;
+ }
+ if (la_stat(temp_name.s, &st) < 0)
+ goto exit_tmpfile;
+ if (!S_ISDIR(st.st_mode)) {
+ errno = ENOTDIR;
+ goto exit_tmpfile;
+ }
+ archive_strcat(&temp_name, "/libarchive_");
+ tp = temp_name.s + archive_strlen(&temp_name);
+ archive_strcat(&temp_name, "XXXXXXXXXX");
+ ep = temp_name.s + archive_strlen(&temp_name);
+ template = temp_name.s;
+ } else {
+ tp = strchr(template, 'X');
+ if (tp == NULL) /* No X, programming error */
+ abort();
+ for (ep = tp; *ep == 'X'; ep++)
+ continue;
+ if (*ep) /* X followed by non X, programming error */
+ abort();
+ }
+
+ do {
+ char *p;
+
+ p = tp;
+ archive_random(p, ep - p);
+ while (p < ep) {
+ int d = *((unsigned char *)p) % sizeof(num);
+ *p++ = num[d];
+ }
+ fd = open(template, O_CREAT | O_EXCL | O_RDWR | O_CLOEXEC,
+ 0600);
+ } while (fd < 0 && errno == EEXIST);
+ if (fd < 0)
+ goto exit_tmpfile;
+ __archive_ensure_cloexec_flag(fd);
+ if (template == temp_name.s)
+ unlink(temp_name.s);
+exit_tmpfile:
+ if (template == temp_name.s)
+ archive_string_free(&temp_name);
+ return (fd);
+}
+
+int
+__archive_mktemp(const char *tmpdir)
+{
+ return __archive_mktempx(tmpdir, NULL);
+}
+
+int
+__archive_mkstemp(char *template)
+{
+ return __archive_mktempx(NULL, template);
+}
+
+#endif /* !HAVE_MKSTEMP */
+#endif /* !_WIN32 || __CYGWIN__ */
+
+/*
+ * Set FD_CLOEXEC flag to a file descriptor if it is not set.
+ * We have to set the flag if the platform does not provide O_CLOEXEC
+ * or F_DUPFD_CLOEXEC flags.
+ *
+ * Note: This function is absolutely called after creating a new file
+ * descriptor even if the platform seemingly provides O_CLOEXEC or
+ * F_DUPFD_CLOEXEC macros because it is possible that the platform
+ * merely declares those macros, especially Linux 2.6.18 - 2.6.24 do it.
+ */
+void
+__archive_ensure_cloexec_flag(int fd)
+{
+#if defined(_WIN32) && !defined(__CYGWIN__)
+ (void)fd; /* UNUSED */
+#else
+ int flags;
+
+ if (fd >= 0) {
+ flags = fcntl(fd, F_GETFD);
+ if (flags != -1 && (flags & FD_CLOEXEC) == 0)
+ fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
+ }
+#endif
+}
+
+/*
+ * Utility function to sort a group of strings using quicksort.
+ */
+static int
+archive_utility_string_sort_helper(char **strings, unsigned int n)
+{
+ unsigned int i, lesser_count, greater_count;
+ char **lesser, **greater, **tmp, *pivot;
+ int retval1, retval2;
+
+ /* A list of 0 or 1 elements is already sorted */
+ if (n <= 1)
+ return (ARCHIVE_OK);
+
+ lesser_count = greater_count = 0;
+ lesser = greater = NULL;
+ pivot = strings[0];
+ for (i = 1; i < n; i++)
+ {
+ if (strcmp(strings[i], pivot) < 0)
+ {
+ lesser_count++;
+ tmp = (char **)realloc(lesser,
+ lesser_count * sizeof(char *));
+ if (!tmp) {
+ free(greater);
+ free(lesser);
+ return (ARCHIVE_FATAL);
+ }
+ lesser = tmp;
+ lesser[lesser_count - 1] = strings[i];
+ }
+ else
+ {
+ greater_count++;
+ tmp = (char **)realloc(greater,
+ greater_count * sizeof(char *));
+ if (!tmp) {
+ free(greater);
+ free(lesser);
+ return (ARCHIVE_FATAL);
+ }
+ greater = tmp;
+ greater[greater_count - 1] = strings[i];
+ }
+ }
+
+ /* quicksort(lesser) */
+ retval1 = archive_utility_string_sort_helper(lesser, lesser_count);
+ for (i = 0; i < lesser_count; i++)
+ strings[i] = lesser[i];
+ free(lesser);
+
+ /* pivot */
+ strings[lesser_count] = pivot;
+
+ /* quicksort(greater) */
+ retval2 = archive_utility_string_sort_helper(greater, greater_count);
+ for (i = 0; i < greater_count; i++)
+ strings[lesser_count + 1 + i] = greater[i];
+ free(greater);
+
+ return (retval1 < retval2) ? retval1 : retval2;
+}
+
+int
+archive_utility_string_sort(char **strings)
+{
+ unsigned int size = 0;
+ while (strings[size] != NULL)
+ size++;
+ return archive_utility_string_sort_helper(strings, size);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 13:27:23 +0000