From 948a871c7348a4cfd9caa1e797d17e503c095a63 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Fri, 24 Jul 2020 19:39:26 +0200 Subject: Windows: update libzip to latest version 1.7.3 (close issue #656) --- src/Common/libzip/zip_source_filep.c | 663 ----------------------------------- 1 file changed, 663 deletions(-) delete mode 100644 src/Common/libzip/zip_source_filep.c (limited to 'src/Common/libzip/zip_source_filep.c') diff --git a/src/Common/libzip/zip_source_filep.c b/src/Common/libzip/zip_source_filep.c deleted file mode 100644 index 30e5991c..00000000 --- a/src/Common/libzip/zip_source_filep.c +++ /dev/null @@ -1,663 +0,0 @@ -/* - zip_source_filep.c -- create data source from FILE * - Copyright (C) 1999-2019 Dieter Baron and Thomas Klausner - - This file is part of libzip, a library to manipulate ZIP archives. - The authors can be contacted at - - 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. - 3. The names of the authors may not be used to endorse or promote - products derived from this software without specific prior - written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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 -#include -#include -#include -#include -#include - -#include "zipint.h" - -#ifdef HAVE_UNISTD_H -#include -#endif - -#ifdef HAVE_CLONEFILE -#include -#include -#define CAN_CLONE -#endif -#ifdef HAVE_FICLONERANGE -#include -#include -#define CAN_CLONE -#endif - -struct read_file { - zip_error_t error; /* last error information */ - zip_int64_t supports; - - /* reading */ - char *fname; /* name of file to read from */ - FILE *f; /* file to read from */ - struct zip_stat st; /* stat information passed in */ - zip_error_t stat_error; /* error returned for stat */ - zip_uint64_t start; /* start offset of data to read */ - zip_uint64_t end; /* end offset of data to read relative to start, 0 for up to EOF */ - zip_uint64_t current; /* current offset relative to start (0 is beginning of part we read) */ - - /* writing */ - char *tmpname; - FILE *fout; -}; - -static zip_int64_t read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd); -static int create_temp_output(struct read_file *ctx); -#ifdef CAN_CLONE -static zip_int64_t create_temp_output_cloning(struct read_file *ctx, zip_uint64_t offset); -#endif -static FILE *_zip_fopen(const char *name, bool writeable); -static int _zip_fseek_u(FILE *f, zip_uint64_t offset, int whence, zip_error_t *error); -static int _zip_fseek(FILE *f, zip_int64_t offset, int whence, zip_error_t *error); - - -ZIP_EXTERN zip_source_t * -zip_source_filep(zip_t *za, FILE *file, zip_uint64_t start, zip_int64_t len) { - if (za == NULL) - return NULL; - - return zip_source_filep_create(file, start, len, &za->error); -} - - -ZIP_EXTERN zip_source_t * -zip_source_filep_create(FILE *file, zip_uint64_t start, zip_int64_t length, zip_error_t *error) { - if (file == NULL || length < -1) { - zip_error_set(error, ZIP_ER_INVAL, 0); - return NULL; - } - - return _zip_source_file_or_p(NULL, file, start, length, NULL, error); -} - - -zip_source_t * -_zip_source_file_or_p(const char *fname, FILE *file, zip_uint64_t start, zip_int64_t len, const zip_stat_t *st, zip_error_t *error) { - struct read_file *ctx; - zip_source_t *zs; - struct stat sb; - bool stat_valid; - - if (file == NULL && fname == NULL) { - zip_error_set(error, ZIP_ER_INVAL, 0); - return NULL; - } - - if (len < 0) { - len = 0; - } - - if (start > ZIP_INT64_MAX || start + (zip_uint64_t)len < start) { - zip_error_set(error, ZIP_ER_INVAL, 0); - return NULL; - } - - if ((ctx = (struct read_file *)malloc(sizeof(struct read_file))) == NULL) { - zip_error_set(error, ZIP_ER_MEMORY, 0); - return NULL; - } - - ctx->fname = NULL; - if (fname) { - if ((ctx->fname = strdup(fname)) == NULL) { - zip_error_set(error, ZIP_ER_MEMORY, 0); - free(ctx); - return NULL; - } - } - ctx->f = file; - ctx->start = start; - ctx->end = (zip_uint64_t)len; - if (st) { - memcpy(&ctx->st, st, sizeof(ctx->st)); - ctx->st.name = NULL; - ctx->st.valid &= ~ZIP_STAT_NAME; - } - else { - zip_stat_init(&ctx->st); - } - - if (ctx->end > 0) { - ctx->st.size = ctx->end; - ctx->st.valid |= ZIP_STAT_SIZE; - } - - zip_error_init(&ctx->stat_error); - - ctx->tmpname = NULL; - ctx->fout = NULL; - - zip_error_init(&ctx->error); - - ctx->supports = ZIP_SOURCE_SUPPORTS_READABLE | zip_source_make_command_bitmap(ZIP_SOURCE_SUPPORTS, ZIP_SOURCE_TELL, -1); - - if (ctx->fname) { - stat_valid = stat(ctx->fname, &sb) >= 0; - - if (!stat_valid) { - if (ctx->start == 0 && ctx->end == 0) { - ctx->supports = ZIP_SOURCE_SUPPORTS_WRITABLE; - } - } - } - else { - stat_valid = fstat(fileno(ctx->f), &sb) >= 0; - } - - if (!stat_valid) { - zip_error_set(&ctx->stat_error, ZIP_ER_READ, errno); - } - else { - if ((ctx->st.valid & ZIP_STAT_MTIME) == 0) { - ctx->st.mtime = sb.st_mtime; - ctx->st.valid |= ZIP_STAT_MTIME; - } - if (S_ISREG(sb.st_mode)) { - ctx->supports = ZIP_SOURCE_SUPPORTS_SEEKABLE; - - if (ctx->start + ctx->end > (zip_uint64_t)sb.st_size) { - zip_error_set(error, ZIP_ER_INVAL, 0); - free(ctx->fname); - free(ctx); - return NULL; - } - - if (ctx->end == 0) { - ctx->st.size = (zip_uint64_t)sb.st_size - ctx->start; - ctx->st.valid |= ZIP_STAT_SIZE; - - if (ctx->fname && start == 0) { - ctx->supports = ZIP_SOURCE_SUPPORTS_WRITABLE; - } - } - } - } - - ctx->supports |= ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_ACCEPT_EMPTY); -#ifdef CAN_CLONE - if (ctx->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE)) { - ctx->supports |= ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_BEGIN_WRITE_CLONING); - } -#endif - - if ((zs = zip_source_function_create(read_file, ctx, error)) == NULL) { - free(ctx->fname); - free(ctx); - return NULL; - } - - return zs; -} - - -static int -create_temp_output(struct read_file *ctx) { - char *temp; - int tfd; - int mode; - FILE *tfp; - struct stat st; - - if ((temp = (char *)malloc(strlen(ctx->fname) + 8)) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); - return -1; - } - - if (stat(ctx->fname, &st) == 0) { - mode = st.st_mode; - } - else { - mode = -1; - } - - sprintf(temp, "%s.XXXXXX", ctx->fname); - - if ((tfd = _zip_mkstempm(temp, mode)) == -1) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - free(temp); - return -1; - } - - if ((tfp = fdopen(tfd, "r+b")) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - close(tfd); - (void)remove(temp); - free(temp); - return -1; - } - - ctx->fout = tfp; - ctx->tmpname = temp; - - return 0; -} - -#ifdef CAN_CLONE -zip_int64_t static create_temp_output_cloning(struct read_file *ctx, zip_uint64_t offset) { - char *temp; - FILE *tfp; - - if (offset > ZIP_OFF_MAX) { - zip_error_set(&ctx->error, ZIP_ER_SEEK, E2BIG); - return -1; - } - - if ((temp = (char *)malloc(strlen(ctx->fname) + 8)) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0); - return -1; - } - sprintf(temp, "%s.XXXXXX", ctx->fname); - -#ifdef HAVE_CLONEFILE -#ifndef __clang_analyzer__ - /* we can't use mkstemp, since clonefile insists on creating the file */ - if (mktemp(temp) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - free(temp); - return -1; - } -#endif - - if (clonefile(ctx->fname, temp, 0) < 0) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - free(temp); - return -1; - } - if ((tfp = _zip_fopen(temp, true)) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - (void)remove(temp); - free(temp); - return -1; - } -#else - { - int fd; - struct file_clone_range range; - struct stat st; - - if (fstat(fileno(ctx->f), &st) < 0) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - return -1; - } - - if ((fd = mkstemp(temp)) < 0) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - free(temp); - return -1; - } - - range.src_fd = fileno(ctx->f); - range.src_offset = 0; - range.src_length = ((offset + st.st_blksize - 1) / st.st_blksize) * st.st_blksize; - if (range.src_length > st.st_size) { - range.src_length = 0; - } - range.dest_offset = 0; - if (ioctl(fd, FICLONERANGE, &range) < 0) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - (void)close(fd); - (void)remove(temp); - free(temp); - return -1; - } - - if ((tfp = fdopen(fd, "r+b")) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - (void)close(fd); - (void)remove(temp); - free(temp); - return -1; - } - } -#endif - - if (ftruncate(fileno(tfp), (off_t)offset) < 0) { - (void)fclose(tfp); - (void)remove(temp); - free(temp); - return -1; - } - if (fseeko(tfp, (off_t)offset, SEEK_SET) < 0) { - (void)fclose(tfp); - (void)remove(temp); - free(temp); - zip_error_set(&ctx->error, ZIP_ER_TMPOPEN, errno); - } - - ctx->fout = tfp; - ctx->tmpname = temp; - - return 0; -} -#endif - - -static zip_int64_t -read_file(void *state, void *data, zip_uint64_t len, zip_source_cmd_t cmd) { - struct read_file *ctx; - char *buf; - zip_uint64_t n; - size_t i; - - ctx = (struct read_file *)state; - buf = (char *)data; - - switch (cmd) { - case ZIP_SOURCE_ACCEPT_EMPTY: - return 0; - - case ZIP_SOURCE_BEGIN_WRITE: -#ifdef _WIN32 - return -1; -#else - if (ctx->fname == NULL) { - zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); - return -1; - } - return create_temp_output(ctx); -#endif - -#ifdef CAN_CLONE - case ZIP_SOURCE_BEGIN_WRITE_CLONING: - if (ctx->fname == NULL) { - zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); - return -1; - } - return create_temp_output_cloning(ctx, len); -#endif - - case ZIP_SOURCE_CLOSE: - if (ctx->fname) { - fclose(ctx->f); - ctx->f = NULL; - } - return 0; - - case ZIP_SOURCE_COMMIT_WRITE: { - if (fclose(ctx->fout) < 0) { - ctx->fout = NULL; - zip_error_set(&ctx->error, ZIP_ER_WRITE, errno); - } - ctx->fout = NULL; - if (rename(ctx->tmpname, ctx->fname) < 0) { - zip_error_set(&ctx->error, ZIP_ER_RENAME, errno); - return -1; - } - free(ctx->tmpname); - ctx->tmpname = NULL; - return 0; - } - - case ZIP_SOURCE_ERROR: - return zip_error_to_data(&ctx->error, data, len); - - case ZIP_SOURCE_FREE: - free(ctx->fname); - free(ctx->tmpname); - if (ctx->f) - fclose(ctx->f); - free(ctx); - return 0; - - case ZIP_SOURCE_OPEN: - if (ctx->fname) { - if ((ctx->f = _zip_fopen(ctx->fname, false)) == NULL) { - zip_error_set(&ctx->error, ZIP_ER_OPEN, errno); - return -1; - } - } - - if (ctx->start > 0) { - if (_zip_fseek_u(ctx->f, ctx->start, SEEK_SET, &ctx->error) < 0) { - /* TODO: skip by reading */ - return -1; - } - } - ctx->current = 0; - return 0; - - case ZIP_SOURCE_READ: - if (ctx->end > 0) { - n = ctx->end - ctx->current; - if (n > len) { - n = len; - } - } - else { - n = len; - } - - if (n > SIZE_MAX) - n = SIZE_MAX; - - if ((i = fread(buf, 1, (size_t)n, ctx->f)) == 0) { - if (ferror(ctx->f)) { - zip_error_set(&ctx->error, ZIP_ER_READ, errno); - return -1; - } - } - ctx->current += i; - - return (zip_int64_t)i; - - case ZIP_SOURCE_REMOVE: - if (remove(ctx->fname) < 0) { - zip_error_set(&ctx->error, ZIP_ER_REMOVE, errno); - return -1; - } - return 0; - - case ZIP_SOURCE_ROLLBACK_WRITE: - if (ctx->fout) { - fclose(ctx->fout); - ctx->fout = NULL; - } - (void)remove(ctx->tmpname); - free(ctx->tmpname); - ctx->tmpname = NULL; - return 0; - - case ZIP_SOURCE_SEEK: { - zip_int64_t new_current; - int need_seek; - zip_source_args_seek_t *args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); - - if (args == NULL) - return -1; - - need_seek = 1; - - switch (args->whence) { - case SEEK_SET: - new_current = args->offset; - break; - - case SEEK_END: - if (ctx->end == 0) { - if (_zip_fseek(ctx->f, args->offset, SEEK_END, &ctx->error) < 0) { - return -1; - } - if ((new_current = ftello(ctx->f)) < 0) { - zip_error_set(&ctx->error, ZIP_ER_SEEK, errno); - return -1; - } - new_current -= (zip_int64_t)ctx->start; - need_seek = 0; - } - else { - new_current = (zip_int64_t)ctx->end + args->offset; - } - break; - - case SEEK_CUR: - new_current = (zip_int64_t)ctx->current + args->offset; - break; - - default: - zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); - return -1; - } - - if (new_current < 0 || (ctx->end != 0 && (zip_uint64_t)new_current > ctx->end) || (zip_uint64_t)new_current + ctx->start < ctx->start) { - zip_error_set(&ctx->error, ZIP_ER_INVAL, 0); - return -1; - } - - ctx->current = (zip_uint64_t)new_current; - - if (need_seek) { - if (_zip_fseek_u(ctx->f, ctx->current + ctx->start, SEEK_SET, &ctx->error) < 0) { - return -1; - } - } - return 0; - } - - case ZIP_SOURCE_SEEK_WRITE: { - zip_source_args_seek_t *args; - - args = ZIP_SOURCE_GET_ARGS(zip_source_args_seek_t, data, len, &ctx->error); - if (args == NULL) { - return -1; - } - - if (_zip_fseek(ctx->fout, args->offset, args->whence, &ctx->error) < 0) { - return -1; - } - return 0; - } - - case ZIP_SOURCE_STAT: { - if (len < sizeof(ctx->st)) - return -1; - - if (zip_error_code_zip(&ctx->stat_error) != 0) { - zip_error_set(&ctx->error, zip_error_code_zip(&ctx->stat_error), zip_error_code_system(&ctx->stat_error)); - return -1; - } - - memcpy(data, &ctx->st, sizeof(ctx->st)); - return sizeof(ctx->st); - } - - case ZIP_SOURCE_SUPPORTS: - return ctx->supports; - - case ZIP_SOURCE_TELL: - return (zip_int64_t)ctx->current; - - case ZIP_SOURCE_TELL_WRITE: { - off_t ret = ftello(ctx->fout); - - if (ret < 0) { - zip_error_set(&ctx->error, ZIP_ER_TELL, errno); - return -1; - } - return ret; - } - - case ZIP_SOURCE_WRITE: { - size_t ret; - - clearerr(ctx->fout); - ret = fwrite(data, 1, len, ctx->fout); - if (ret != len || ferror(ctx->fout)) { - zip_error_set(&ctx->error, ZIP_ER_WRITE, errno); - return -1; - } - - return (zip_int64_t)ret; - } - - default: - zip_error_set(&ctx->error, ZIP_ER_OPNOTSUPP, 0); - return -1; - } -} - - -static int -_zip_fseek_u(FILE *f, zip_uint64_t offset, int whence, zip_error_t *error) { - if (offset > ZIP_INT64_MAX) { - zip_error_set(error, ZIP_ER_SEEK, EOVERFLOW); - return -1; - } - return _zip_fseek(f, (zip_int64_t)offset, whence, error); -} - - -static int -_zip_fseek(FILE *f, zip_int64_t offset, int whence, zip_error_t *error) { - if (offset > ZIP_FSEEK_MAX || offset < ZIP_FSEEK_MIN) { - zip_error_set(error, ZIP_ER_SEEK, EOVERFLOW); - return -1; - } - if (fseeko(f, (off_t)offset, whence) < 0) { - zip_error_set(error, ZIP_ER_SEEK, errno); - return -1; - } - return 0; -} - - -/* - * fopen replacement that sets the close-on-exec flag - * some implementations support an fopen 'e' flag for that, - * but e.g. macOS doesn't. - */ -static FILE * -_zip_fopen(const char *name, bool writeable) -{ - int fd; - int flags; - FILE *fp; - - flags = O_CLOEXEC; - if (writeable) { - flags |= O_RDWR; - } - else { - flags |= O_RDONLY; - } - - /* mode argument needed on Windows */ - if ((fd = open(name, flags, 0666)) < 0) { - return NULL; - } - if ((fp = fdopen(fd, writeable ? "r+b" : "rb")) == NULL) { - return NULL; - } - return fp; -} -- cgit v1.2.3