/* zip.c -- IO on .zip files using zlib Version 1.2.0, September 16th, 2017 part of the MiniZip project Copyright (C) 2010-2017 Nathan Moinvaziri Modifications for AES, PKWARE disk spanning https://github.com/nmoinvaz/minizip Copyright (C) 2009-2010 Mathias Svensson Modifications for Zip64 support http://result42.com Copyright (C) 1998-2010 Gilles Vollant http://www.winimage.com/zLibDll/minizip.html This program is distributed under the terms of the same license as zlib. See the accompanying LICENSE file for the full text of the license. */ #include #include #include #include #include #include #include "zlib.h" #include "zip.h" #ifdef HAVE_AES # define AES_METHOD (99) # define AES_PWVERIFYSIZE (2) # define AES_AUTHCODESIZE (10) # define AES_MAXSALTLENGTH (16) # define AES_VERSION (0x0001) # define AES_ENCRYPTIONMODE (0x03) # include "aes/aes.h" # include "aes/fileenc.h" # include "aes/prng.h" #endif #ifdef HAVE_APPLE_COMPRESSION # include #endif #ifndef NOCRYPT # include "crypt.h" #endif #define SIZEDATA_INDATABLOCK (4096-(4*4)) #define DISKHEADERMAGIC (0x08074b50) #define LOCALHEADERMAGIC (0x04034b50) #define CENTRALHEADERMAGIC (0x02014b50) #define ENDHEADERMAGIC (0x06054b50) #define ZIP64ENDHEADERMAGIC (0x06064b50) #define ZIP64ENDLOCHEADERMAGIC (0x07064b50) #define DATADESCRIPTORMAGIC (0x08074b50) #define FLAG_LOCALHEADER_OFFSET (0x06) #define CRC_LOCALHEADER_OFFSET (0x0e) #define SIZECENTRALHEADER (0x2e) /* 46 */ #define SIZECENTRALHEADERLOCATOR (0x14) /* 20 */ #define SIZECENTRALDIRITEM (0x2e) #define SIZEZIPLOCALHEADER (0x1e) #ifndef BUFREADCOMMENT # define BUFREADCOMMENT (0x400) #endif #ifndef VERSIONMADEBY # define VERSIONMADEBY (0x0) /* platform dependent */ #endif #ifndef Z_BUFSIZE # define Z_BUFSIZE (UINT16_MAX) #endif #ifndef ALLOC # define ALLOC(size) (malloc(size)) #endif #ifndef TRYFREE # define TRYFREE(p) {if (p) free(p);} #endif /* NOT sure that this work on ALL platform */ #define MAKEULONG64(a, b) ((uint64_t)(((unsigned long)(a)) | ((uint64_t)((unsigned long)(b))) << 32)) #ifndef DEF_MEM_LEVEL # if MAX_MEM_LEVEL >= 8 # define DEF_MEM_LEVEL 8 # else # define DEF_MEM_LEVEL MAX_MEM_LEVEL # endif #endif const char zip_copyright[] = " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll"; typedef struct linkedlist_datablock_internal_s { struct linkedlist_datablock_internal_s *next_datablock; uint32_t avail_in_this_block; uint32_t filled_in_this_block; uint32_t unused; /* for future use and alignment */ uint8_t data[SIZEDATA_INDATABLOCK]; } linkedlist_datablock_internal; typedef struct linkedlist_data_s { linkedlist_datablock_internal *first_block; linkedlist_datablock_internal *last_block; } linkedlist_data; typedef struct { z_stream stream; /* zLib stream structure for inflate */ #ifdef HAVE_BZIP2 bz_stream bstream; /* bzLib stream structure for bziped */ #endif #ifdef HAVE_APPLE_COMPRESSION compression_stream astream; /* libcompression stream structure */ #endif #ifdef HAVE_AES fcrypt_ctx aes_ctx; prng_ctx aes_rng[1]; #endif int stream_initialised; /* 1 is stream is initialized */ uint32_t pos_in_buffered_data; /* last written byte in buffered_data */ uint64_t pos_local_header; /* offset of the local header of the file currently writing */ char *central_header; /* central header data for the current file */ uint16_t size_centralextra; uint16_t size_centralheader; /* size of the central header for cur file */ uint16_t size_centralextrafree; /* Extra bytes allocated to the central header but that are not used */ uint16_t size_comment; uint16_t flag; /* flag of the file currently writing */ uint16_t method; /* compression method written to file.*/ uint16_t compression_method; /* compression method to use */ int raw; /* 1 for directly writing raw data */ uint8_t buffered_data[Z_BUFSIZE]; /* buffer contain compressed data to be writ*/ uint32_t dos_date; uint32_t crc32; int zip64; /* add ZIP64 extended information in the extra field */ uint32_t number_disk; /* number of current disk used for spanning ZIP */ uint64_t total_compressed; uint64_t total_uncompressed; #ifndef NOCRYPT uint32_t keys[3]; /* keys defining the pseudo-random sequence */ const z_crc_t *pcrc_32_tab; #endif } curfile64_info; typedef struct { zlib_filefunc64_32_def z_filefunc; voidpf filestream; /* io structure of the zipfile */ voidpf filestream_with_CD; /* io structure of the zipfile with the central dir */ linkedlist_data central_dir; /* datablock with central dir in construction*/ int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ int append; /* append mode */ curfile64_info ci; /* info on the file currently writing */ uint64_t add_position_when_writting_offset; uint64_t number_entry; uint64_t disk_size; /* size of each disk */ uint32_t number_disk; /* number of the current disk, used for spanning ZIP */ uint32_t number_disk_with_CD; /* number the the disk with central dir, used for spanning ZIP */ #ifndef NO_ADDFILEINEXISTINGZIP char *globalcomment; #endif } zip64_internal; /* Allocate a new data block */ static linkedlist_datablock_internal *allocate_new_datablock(void) { linkedlist_datablock_internal *ldi = NULL; ldi = (linkedlist_datablock_internal*)ALLOC(sizeof(linkedlist_datablock_internal)); if (ldi != NULL) { ldi->next_datablock = NULL; ldi->filled_in_this_block = 0; ldi->avail_in_this_block = SIZEDATA_INDATABLOCK; } return ldi; } /* Free data block in linked list */ static void free_datablock(linkedlist_datablock_internal *ldi) { while (ldi != NULL) { linkedlist_datablock_internal *ldinext = ldi->next_datablock; TRYFREE(ldi); ldi = ldinext; } } /* Initialize linked list */ static void init_linkedlist(linkedlist_data *ll) { ll->first_block = ll->last_block = NULL; } /* Free entire linked list and all data blocks */ static void free_linkedlist(linkedlist_data *ll) { free_datablock(ll->first_block); ll->first_block = ll->last_block = NULL; } /* Add data to linked list data block */ static int add_data_in_datablock(linkedlist_data *ll, const void *buf, uint32_t len) { linkedlist_datablock_internal *ldi = NULL; const unsigned char *from_copy = NULL; if (ll == NULL) return ZIP_INTERNALERROR; if (ll->last_block == NULL) { ll->first_block = ll->last_block = allocate_new_datablock(); if (ll->first_block == NULL) return ZIP_INTERNALERROR; } ldi = ll->last_block; from_copy = (unsigned char*)buf; while (len > 0) { uint32_t copy_this = 0; uint32_t i = 0; unsigned char *to_copy = NULL; if (ldi->avail_in_this_block == 0) { ldi->next_datablock = allocate_new_datablock(); if (ldi->next_datablock == NULL) return ZIP_INTERNALERROR; ldi = ldi->next_datablock ; ll->last_block = ldi; } if (ldi->avail_in_this_block < len) copy_this = ldi->avail_in_this_block; else copy_this = len; to_copy = &(ldi->data[ldi->filled_in_this_block]); for (i = 0; i < copy_this; i++) *(to_copy+i) = *(from_copy+i); ldi->filled_in_this_block += copy_this; ldi->avail_in_this_block -= copy_this; from_copy += copy_this; len -= copy_this; } return ZIP_OK; } /* Inputs a long in LSB order to the given file: nbByte == 1, 2, 4 or 8 (byte, short or long, uint64_t) */ static int zipWriteValue(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint64_t x, uint32_t len) { unsigned char buf[8]; uint32_t n = 0; for (n = 0; n < len; n++) { buf[n] = (unsigned char)(x & 0xff); x >>= 8; } if (x != 0) { /* Data overflow - hack for ZIP64 (X Roche) */ for (n = 0; n < len; n++) { buf[n] = 0xff; } } if (ZWRITE64(*pzlib_filefunc_def, filestream, buf, len) != len) return ZIP_ERRNO; return ZIP_OK; } static void zipWriteValueToMemory(void* dest, uint64_t x, uint32_t len) { unsigned char *buf = (unsigned char*)dest; uint32_t n = 0; for (n = 0; n < len; n++) { buf[n] = (unsigned char)(x & 0xff); x >>= 8; } if (x != 0) { /* data overflow - hack for ZIP64 */ for (n = 0; n < len; n++) { buf[n] = 0xff; } } } static void zipWriteValueToMemoryAndMove(unsigned char **dest_ptr, uint64_t x, uint32_t len) { zipWriteValueToMemory(*dest_ptr, x, len); *dest_ptr += len; } static int zipReadUInt8(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint8_t *value) { uint8_t c = 0; if (ZREAD64(*pzlib_filefunc_def, filestream, &c, 1) == 1) { *value = (uint8_t)c; return ZIP_OK; } if (ZERROR64(*pzlib_filefunc_def, filestream)) return ZIP_ERRNO; return ZIP_EOF; } static int zipReadUInt16(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint16_t *value) { uint16_t x = 0; uint8_t c = 0; int err = ZIP_OK; err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x = (uint16_t)c; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint16_t)c) << 8; if (err == ZIP_OK) *value = x; else *value = 0; return err; } static int zipReadUInt32(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint32_t *value) { uint32_t x = 0; uint8_t c = 0; int err = ZIP_OK; err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x = (uint32_t)c; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint32_t)c) << 8; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint32_t)c) << 16; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint32_t)c) << 24; if (err == ZIP_OK) *value = x; else *value = 0; return err; } static int zipReadUInt64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, uint64_t *value) { uint64_t x = 0; uint8_t c = 0; int err = ZIP_OK; err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x = (uint64_t)c; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 8; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 16; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 24; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 32; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 40; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 48; if (err == ZIP_OK) err = zipReadUInt8(pzlib_filefunc_def, filestream, &c); x += ((uint64_t)c) << 56; if (err == ZIP_OK) *value = x; else *value = 0; return err; } /* Gets the amount of bytes left to write to the current disk for spanning archives */ static void zipGetDiskSizeAvailable(zipFile file, uint64_t *size_available) { zip64_internal *zi = NULL; uint64_t current_disk_size = 0; zi = (zip64_internal*)file; ZSEEK64(zi->z_filefunc, zi->filestream, 0, ZLIB_FILEFUNC_SEEK_END); current_disk_size = ZTELL64(zi->z_filefunc, zi->filestream); *size_available = zi->disk_size - current_disk_size; } /* Goes to a specific disk number for spanning archives */ static int zipGoToSpecificDisk(zipFile file, uint32_t number_disk, int open_existing) { zip64_internal *zi = NULL; int err = ZIP_OK; zi = (zip64_internal*)file; if (zi->disk_size == 0) return err; if ((zi->filestream != NULL) && (zi->filestream != zi->filestream_with_CD)) ZCLOSE64(zi->z_filefunc, zi->filestream); zi->filestream = ZOPENDISK64(zi->z_filefunc, zi->filestream_with_CD, number_disk, (open_existing == 1) ? (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING) : (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE)); if (zi->filestream == NULL) err = ZIP_ERRNO; return err; } /* Goes to the first disk in a spanned archive */ static int zipGoToFirstDisk(zipFile file) { zip64_internal *zi = NULL; uint32_t number_disk_next = 0; int err = ZIP_OK; zi = (zip64_internal*)file; if (zi->disk_size == 0) return err; number_disk_next = 0; if (zi->number_disk_with_CD > 0) number_disk_next = zi->number_disk_with_CD - 1; err = zipGoToSpecificDisk(file, number_disk_next, (zi->append == APPEND_STATUS_ADDINZIP)); if ((err == ZIP_ERRNO) && (zi->append == APPEND_STATUS_ADDINZIP)) err = zipGoToSpecificDisk(file, number_disk_next, 0); if (err == ZIP_OK) zi->number_disk = number_disk_next; ZSEEK64(zi->z_filefunc, zi->filestream, 0, ZLIB_FILEFUNC_SEEK_END); return err; } /* Goes to the next disk in a spanned archive */ static int zipGoToNextDisk(zipFile file) { zip64_internal *zi = NULL; uint64_t size_available_in_disk = 0; uint32_t number_disk_next = 0; int err = ZIP_OK; zi = (zip64_internal*)file; if (zi->disk_size == 0) return err; number_disk_next = zi->number_disk + 1; do { err = zipGoToSpecificDisk(file, number_disk_next, (zi->append == APPEND_STATUS_ADDINZIP)); if ((err == ZIP_ERRNO) && (zi->append == APPEND_STATUS_ADDINZIP)) err = zipGoToSpecificDisk(file, number_disk_next, 0); if (err != ZIP_OK) break; zipGetDiskSizeAvailable(file, &size_available_in_disk); zi->number_disk = number_disk_next; zi->number_disk_with_CD = zi->number_disk + 1; number_disk_next += 1; } while (size_available_in_disk <= 0); return err; } /* Locate the Central directory of a zipfile (at the end, just before the global comment) */ static uint64_t zipSearchCentralDir(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream) { unsigned char *buf = NULL; uint64_t file_size = 0; uint64_t back_read = 4; uint64_t max_back = UINT16_MAX; /* maximum size of global comment */ uint64_t pos_found = 0; uint32_t read_size = 0; uint64_t read_pos = 0; uint32_t i = 0; buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); if (buf == NULL) return 0; if (ZSEEK64(*pzlib_filefunc_def, filestream, 0, ZLIB_FILEFUNC_SEEK_END) != 0) { TRYFREE(buf); return 0; } file_size = ZTELL64(*pzlib_filefunc_def, filestream); if (max_back > file_size) max_back = file_size; while (back_read < max_back) { if (back_read + BUFREADCOMMENT > max_back) back_read = max_back; else back_read += BUFREADCOMMENT; read_pos = file_size-back_read; read_size = ((BUFREADCOMMENT+4) < (file_size - read_pos)) ? (BUFREADCOMMENT+4) : (uint32_t)(file_size - read_pos); if (ZSEEK64(*pzlib_filefunc_def, filestream, read_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) break; if (ZREAD64(*pzlib_filefunc_def, filestream, buf, read_size) != read_size) break; for (i = read_size-3; (i--) > 0;) if ((*(buf+i)) == (ENDHEADERMAGIC & 0xff) && (*(buf+i+1)) == (ENDHEADERMAGIC >> 8 & 0xff) && (*(buf+i+2)) == (ENDHEADERMAGIC >> 16 & 0xff) && (*(buf+i+3)) == (ENDHEADERMAGIC >> 24 & 0xff)) { pos_found = read_pos+i; break; } if (pos_found != 0) break; } TRYFREE(buf); return pos_found; } /* Locate the Central directory 64 of a zipfile (at the end, just before the global comment) */ static uint64_t zipSearchCentralDir64(const zlib_filefunc64_32_def *pzlib_filefunc_def, voidpf filestream, const uint64_t endcentraloffset) { uint64_t offset = 0; uint32_t value32 = 0; /* Zip64 end of central directory locator */ if (ZSEEK64(*pzlib_filefunc_def, filestream, endcentraloffset - SIZECENTRALHEADERLOCATOR, ZLIB_FILEFUNC_SEEK_SET) != 0) return 0; /* Read locator signature */ if (zipReadUInt32(pzlib_filefunc_def, filestream, &value32) != ZIP_OK) return 0; if (value32 != ZIP64ENDLOCHEADERMAGIC) return 0; /* Number of the disk with the start of the zip64 end of central directory */ if (zipReadUInt32(pzlib_filefunc_def, filestream, &value32) != ZIP_OK) return 0; /* Relative offset of the zip64 end of central directory record */ if (zipReadUInt64(pzlib_filefunc_def, filestream, &offset) != ZIP_OK) return 0; /* Total number of disks */ if (zipReadUInt32(pzlib_filefunc_def, filestream, &value32) != ZIP_OK) return 0; /* Goto end of central directory record */ if (ZSEEK64(*pzlib_filefunc_def, filestream, offset, ZLIB_FILEFUNC_SEEK_SET) != 0) return 0; /* The signature */ if (zipReadUInt32(pzlib_filefunc_def, filestream, &value32) != ZIP_OK) return 0; if (value32 != ZIP64ENDHEADERMAGIC) return 0; return offset; } extern zipFile ZEXPORT zipOpen4(const void *path, int append, uint64_t disk_size, const char **globalcomment, zlib_filefunc64_32_def *pzlib_filefunc64_32_def) { zip64_internal ziinit = { 0 }; zip64_internal *zi = NULL; #ifndef NO_ADDFILEINEXISTINGZIP uint64_t byte_before_the_zipfile = 0; /* byte before the zipfile, (>0 for sfx)*/ uint64_t size_central_dir = 0; /* size of the central directory */ uint64_t offset_central_dir = 0; /* offset of start of central directory */ uint64_t number_entry_CD = 0; /* total number of entries in the central dir */ uint64_t number_entry = 0; uint64_t central_pos = 0; uint64_t size_central_dir_to_read = 0; uint16_t value16 = 0; uint32_t value32 = 0; uint16_t size_comment = 0; size_t buf_size = SIZEDATA_INDATABLOCK; void *buf_read = NULL; #endif int err = ZIP_OK; int mode = 0; if (pzlib_filefunc64_32_def == NULL) fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64); else { assert((pzlib_filefunc64_32_def->zopen32_file || pzlib_filefunc64_32_def->zfile_func64.zopen64_file) && (pzlib_filefunc64_32_def->zopendisk32_file || pzlib_filefunc64_32_def->zfile_func64.zopendisk64_file) && (pzlib_filefunc64_32_def->ztell32_file || pzlib_filefunc64_32_def->zfile_func64.ztell64_file) && (pzlib_filefunc64_32_def->zseek32_file || pzlib_filefunc64_32_def->zfile_func64.zseek64_file)); ziinit.z_filefunc = *pzlib_filefunc64_32_def; } if (append == APPEND_STATUS_CREATE) mode = (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE); else mode = (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING); ziinit.filestream = ZOPEN64(ziinit.z_filefunc, path, mode); if (ziinit.filestream == NULL) return NULL; if (append == APPEND_STATUS_CREATEAFTER) { /* Don't support spanning ZIP with APPEND_STATUS_CREATEAFTER */ if (disk_size > 0) return NULL; ZSEEK64(ziinit.z_filefunc, ziinit.filestream, 0, SEEK_END); } ziinit.filestream_with_CD = ziinit.filestream; ziinit.append = append; ziinit.disk_size = disk_size; init_linkedlist(&(ziinit.central_dir)); zi = (zip64_internal*)ALLOC(sizeof(zip64_internal)); if (zi == NULL) { ZCLOSE64(ziinit.z_filefunc, ziinit.filestream); return NULL; } #ifndef NO_ADDFILEINEXISTINGZIP /* Add file in a zipfile */ ziinit.globalcomment = NULL; if (append == APPEND_STATUS_ADDINZIP) { /* Read and Cache Central Directory Records */ central_pos = zipSearchCentralDir(&ziinit.z_filefunc, ziinit.filestream); /* Disable to allow appending to empty ZIP archive (must be standard zip, not zip64) if (central_pos == 0) err = ZIP_ERRNO; */ if (err == ZIP_OK) { /* Read end of central directory info */ if (ZSEEK64(ziinit.z_filefunc, ziinit.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) err = ZIP_ERRNO; /* The signature, already checked */ if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &value32) != ZIP_OK) err = ZIP_ERRNO; /* Number of this disk */ if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; ziinit.number_disk = value16; /* Number of the disk with the start of the central directory */ if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; ziinit.number_disk_with_CD = value16; /* Total number of entries in the central dir on this disk */ number_entry = 0; if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; else number_entry = value16; /* Total number of entries in the central dir */ number_entry_CD = 0; if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; else number_entry_CD = value16; if (number_entry_CD!=number_entry) err = ZIP_BADZIPFILE; /* Size of the central directory */ size_central_dir = 0; if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &value32) != ZIP_OK) err = ZIP_ERRNO; else size_central_dir = value32; /* Offset of start of central directory with respect to the starting disk number */ offset_central_dir = 0; if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &value32) != ZIP_OK) err = ZIP_ERRNO; else offset_central_dir = value32; /* Zipfile global comment length */ if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &size_comment) != ZIP_OK) err = ZIP_ERRNO; if ((err == ZIP_OK) && ((number_entry_CD == UINT16_MAX) || (offset_central_dir == UINT32_MAX))) { /* Format should be Zip64, as the central directory or file size is too large */ central_pos = zipSearchCentralDir64(&ziinit.z_filefunc, ziinit.filestream, central_pos); if (central_pos) { uint64_t sizeEndOfCentralDirectory; if (ZSEEK64(ziinit.z_filefunc, ziinit.filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0) err = ZIP_ERRNO; /* The signature, already checked */ if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &value32) != ZIP_OK) err = ZIP_ERRNO; /* Size of zip64 end of central directory record */ if (zipReadUInt64(&ziinit.z_filefunc, ziinit.filestream, &sizeEndOfCentralDirectory) != ZIP_OK) err = ZIP_ERRNO; /* Version made by */ if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; /* Version needed to extract */ if (zipReadUInt16(&ziinit.z_filefunc, ziinit.filestream, &value16) != ZIP_OK) err = ZIP_ERRNO; /* Number of this disk */ if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &ziinit.number_disk) != ZIP_OK) err = ZIP_ERRNO; /* Number of the disk with the start of the central directory */ if (zipReadUInt32(&ziinit.z_filefunc, ziinit.filestream, &ziinit.number_disk_with_CD) != ZIP_OK) err = ZIP_ERRNO; /* Total number of entries in the central directory on this disk */ if (zipReadUInt64(&ziinit.z_filefunc, ziinit.filestream, &number_entry) != ZIP_OK) err = ZIP_ERRNO; /* Total number of entries in the central directory */ if (zipReadUInt64(&ziinit.z_filefunc, ziinit.filestream, &number_entry_CD) != ZIP_OK) err = ZIP_ERRNO; if (number_entry_CD!=number_entry) err = ZIP_BADZIPFILE; /* Size of the central directory */ if (zipReadUInt64(&ziinit.z_filefunc, ziinit.filestream, &size_central_dir) != ZIP_OK) err = ZIP_ERRNO; /* Offset of start of central directory with respect to the starting disk number */ if (zipReadUInt64(&ziinit.z_filefunc, ziinit.filestream, &offset_central_dir) != ZIP_OK) err = ZIP_ERRNO; } else err = ZIP_BADZIPFILE; } } if ((err == ZIP_OK) && (central_pos < offset_central_dir + size_central_dir)) err = ZIP_BADZIPFILE; if ((err == ZIP_OK) && (size_comment > 0)) { ziinit.globalcomment = (char*)ALLOC(size_comment+1); if (ziinit.globalcomment) { if (ZREAD64(ziinit.z_filefunc, ziinit.filestream, ziinit.globalcomment, size_comment) != size_comment) err = ZIP_ERRNO; else ziinit.globalcomment[size_comment] = 0; } } if (err != ZIP_OK) { ZCLOSE64(ziinit.z_filefunc, ziinit.filestream); TRYFREE(ziinit.globalcomment); TRYFREE(zi); return NULL; } byte_before_the_zipfile = central_pos - (offset_central_dir+size_central_dir); ziinit.add_position_when_writting_offset = byte_before_the_zipfile; /* Store central directory in memory */ size_central_dir_to_read = size_central_dir; buf_size = SIZEDATA_INDATABLOCK; buf_read = (void*)ALLOC(buf_size); if (ZSEEK64(ziinit.z_filefunc, ziinit.filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) err = ZIP_ERRNO; while ((size_central_dir_to_read > 0) && (err == ZIP_OK)) { uint64_t read_this = SIZEDATA_INDATABLOCK; if (read_this > size_central_dir_to_read) read_this = size_central_dir_to_read; if (ZREAD64(ziinit.z_filefunc, ziinit.filestream, buf_read, (uint32_t)read_this) != read_this) err = ZIP_ERRNO; if (err == ZIP_OK) err = add_data_in_datablock(&ziinit.central_dir, buf_read, (uint32_t)read_this); size_central_dir_to_read -= read_this; } TRYFREE(buf_read); ziinit.number_entry = number_entry_CD; if (ZSEEK64(ziinit.z_filefunc, ziinit.filestream, offset_central_dir+byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0) err = ZIP_ERRNO; } if (globalcomment) *globalcomment = ziinit.globalcomment; #endif if (err != ZIP_OK) { #ifndef NO_ADDFILEINEXISTINGZIP TRYFREE(ziinit.globalcomment); #endif TRYFREE(zi); return NULL; } *zi = ziinit; zipGoToFirstDisk((zipFile)zi); return(zipFile)zi; } extern zipFile ZEXPORT zipOpen2(const char *path, int append, const char **globalcomment, zlib_filefunc_def *pzlib_filefunc32_def) { if (pzlib_filefunc32_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill = { 0 }; fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill, pzlib_filefunc32_def); return zipOpen4(path, append, 0, globalcomment, &zlib_filefunc64_32_def_fill); } return zipOpen4(path, append, 0, globalcomment, NULL); } extern zipFile ZEXPORT zipOpen2_64(const void *path, int append, const char **globalcomment, zlib_filefunc64_def *pzlib_filefunc_def) { if (pzlib_filefunc_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill = { 0 }; zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; return zipOpen4(path, append, 0, globalcomment, &zlib_filefunc64_32_def_fill); } return zipOpen4(path, append, 0, globalcomment, NULL); } extern zipFile ZEXPORT zipOpen3(const char *path, int append, uint64_t disk_size, const char **globalcomment, zlib_filefunc_def *pzlib_filefunc32_def) { if (pzlib_filefunc32_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill = { 0 }; fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill, pzlib_filefunc32_def); return zipOpen4(path, append, disk_size, globalcomment, &zlib_filefunc64_32_def_fill); } return zipOpen4(path, append, disk_size, globalcomment, NULL); } extern zipFile ZEXPORT zipOpen3_64(const void *path, int append, uint64_t disk_size, const char **globalcomment, zlib_filefunc64_def *pzlib_filefunc_def) { if (pzlib_filefunc_def != NULL) { zlib_filefunc64_32_def zlib_filefunc64_32_def_fill = { 0 }; zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def; return zipOpen4(path, append, disk_size, globalcomment, &zlib_filefunc64_32_def_fill); } return zipOpen4(path, append, disk_size, globalcomment, NULL); } extern zipFile ZEXPORT zipOpen(const char *path, int append) { return zipOpen3((const void*)path, append, 0, NULL, NULL); } extern zipFile ZEXPORT zipOpen64(const void *path, int append) { return zipOpen3(path, append, 0, NULL, NULL); } extern int ZEXPORT zipOpenNewFileInZip5(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t flag_base, int zip64, uint16_t method, int level, int raw, int windowBits, int memLevel, int strategy, const char *password, int aes, uint16_t version_madeby) { zip64_internal *zi = NULL; uint64_t size_available = 0; uint64_t size_needed = 0; uint16_t size_filename = 0; uint16_t size_comment = 0; uint16_t i = 0; unsigned char *central_dir = NULL; int err = ZIP_OK; #ifdef NOCRYPT if (password != NULL) return ZIP_PARAMERROR; #endif if (file == NULL) return ZIP_PARAMERROR; if ((method != 0) && #ifdef HAVE_BZIP2 (method != Z_BZIP2ED) && #endif (method != Z_DEFLATED)) return ZIP_PARAMERROR; zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1) { err = zipCloseFileInZip (file); if (err != ZIP_OK) return err; } if (filename == NULL) filename = "-"; if (comment != NULL) size_comment = (uint16_t)strlen(comment); size_filename = (uint16_t)strlen(filename); if (zipfi == NULL) zi->ci.dos_date = 0; else { if (zipfi->dos_date != 0) zi->ci.dos_date = zipfi->dos_date; } zi->ci.method = method; zi->ci.compression_method = method; zi->ci.raw = raw; zi->ci.flag = flag_base | 8; if ((level == 8) || (level == 9)) zi->ci.flag |= 2; if (level == 2) zi->ci.flag |= 4; if (level == 1) zi->ci.flag |= 6; if (password != NULL) { zi->ci.flag |= 1; #ifdef HAVE_AES if (aes) zi->ci.method = AES_METHOD; #endif } else { zi->ci.flag &= ~1; } if (zi->disk_size > 0) { if ((zi->number_disk == 0) && (zi->number_entry == 0)) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)DISKHEADERMAGIC, 4); /* Make sure enough space available on current disk for local header */ zipGetDiskSizeAvailable((zipFile)zi, &size_available); size_needed = 30 + size_filename + size_extrafield_local; #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) size_needed += 11; #endif if (size_available < size_needed) zipGoToNextDisk((zipFile)zi); } zi->ci.zip64 = zip64; zi->ci.pos_local_header = ZTELL64(zi->z_filefunc, zi->filestream); if (zi->ci.pos_local_header >= UINT32_MAX) zi->ci.zip64 = 1; zi->ci.size_comment = size_comment; zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global; zi->ci.size_centralextra = size_extrafield_global; zi->ci.size_centralextrafree = 32; /* Extra space reserved for ZIP64 extra info */ #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) zi->ci.size_centralextrafree += 11; /* Extra space reserved for AES extra info */ #endif zi->ci.central_header = (char*)ALLOC((uint32_t)zi->ci.size_centralheader + zi->ci.size_centralextrafree + size_comment); zi->ci.number_disk = zi->number_disk; /* Write central directory header */ /* https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT */ central_dir = (unsigned char*)zi->ci.central_header; zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)CENTRALHEADERMAGIC, 4); zipWriteValueToMemoryAndMove(¢ral_dir, version_madeby, 2); if (zi->ci.zip64) zipWriteValueToMemoryAndMove(¢ral_dir, (uint16_t)45, 2); else zipWriteValueToMemoryAndMove(¢ral_dir, (uint16_t)20, 2); zipWriteValueToMemoryAndMove(¢ral_dir, zi->ci.flag, 2); zipWriteValueToMemoryAndMove(¢ral_dir, zi->ci.method, 2); zipWriteValueToMemoryAndMove(¢ral_dir, zi->ci.dos_date, 4); zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)0, 4); /*crc*/ zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)0, 4); /*compr size*/ zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)0, 4); /*uncompr size*/ zipWriteValueToMemoryAndMove(¢ral_dir, size_filename, 2); zipWriteValueToMemoryAndMove(¢ral_dir, size_extrafield_global, 2); zipWriteValueToMemoryAndMove(¢ral_dir, size_comment, 2); zipWriteValueToMemoryAndMove(¢ral_dir, (uint16_t)zi->ci.number_disk, 2); /*disk nm start*/ if (zipfi == NULL) zipWriteValueToMemoryAndMove(¢ral_dir, (uint16_t)0, 2); else zipWriteValueToMemoryAndMove(¢ral_dir, zipfi->internal_fa, 2); if (zipfi == NULL) zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)0, 4); else zipWriteValueToMemoryAndMove(¢ral_dir, zipfi->external_fa, 4); if (zi->ci.pos_local_header >= UINT32_MAX) zipWriteValueToMemoryAndMove(¢ral_dir, UINT32_MAX, 4); else zipWriteValueToMemoryAndMove(¢ral_dir, (uint32_t)(zi->ci.pos_local_header - zi->add_position_when_writting_offset), 4); for (i = 0; i < size_filename; i++) zi->ci.central_header[SIZECENTRALHEADER+i] = filename[i]; for (i = 0; i < size_extrafield_global; i++) zi->ci.central_header[SIZECENTRALHEADER+size_filename+i] = ((const char*)extrafield_global)[i]; /* Store comment at the end for later repositioning */ for (i = 0; i < size_comment; i++) zi->ci.central_header[zi->ci.size_centralheader+ zi->ci.size_centralextrafree+i] = comment[i]; if (zi->ci.central_header == NULL) return ZIP_INTERNALERROR; /* Write the local header */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)LOCALHEADERMAGIC, 4); if (err == ZIP_OK) { if (zi->ci.zip64) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)45, 2); /* version needed to extract */ else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)20, 2); /* version needed to extract */ } if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->ci.flag, 2); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->ci.method, 2); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->ci.dos_date, 4); /* CRC & compressed size & uncompressed size is in data descriptor */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)0, 4); /* crc 32, unknown */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)0, 4); /* compressed size, unknown */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)0, 4); /* uncompressed size, unknown */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, size_filename, 2); if (err == ZIP_OK) { uint64_t size_extrafield = size_extrafield_local; #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) size_extrafield += 11; #endif err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)size_extrafield, 2); } if ((err == ZIP_OK) && (size_filename > 0)) { if (ZWRITE64(zi->z_filefunc, zi->filestream, filename, size_filename) != size_filename) err = ZIP_ERRNO; } if ((err == ZIP_OK) && (size_extrafield_local > 0)) { if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local) err = ZIP_ERRNO; } #ifdef HAVE_AES /* Write the AES extended info */ if ((err == ZIP_OK) && (zi->ci.method == AES_METHOD)) { int headerid = 0x9901; short datasize = 7; err = zipWriteValue(&zi->z_filefunc, zi->filestream, headerid, 2); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, datasize, 2); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, AES_VERSION, 2); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, 'A', 1); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, 'E', 1); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, AES_ENCRYPTIONMODE, 1); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->ci.compression_method, 2); } #endif zi->ci.crc32 = 0; zi->ci.stream_initialised = 0; zi->ci.pos_in_buffered_data = 0; zi->ci.total_compressed = 0; zi->ci.total_uncompressed = 0; #ifdef HAVE_BZIP2 zi->ci.bstream.avail_in = (uint16_t)0; zi->ci.bstream.avail_out = (uint16_t)Z_BUFSIZE; zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; zi->ci.bstream.total_in_hi32 = 0; zi->ci.bstream.total_in_lo32 = 0; zi->ci.bstream.total_out_hi32 = 0; zi->ci.bstream.total_out_lo32 = 0; #endif zi->ci.stream.avail_in = (uint16_t)0; zi->ci.stream.avail_out = Z_BUFSIZE; zi->ci.stream.next_out = zi->ci.buffered_data; zi->ci.stream.total_in = 0; zi->ci.stream.total_out = 0; zi->ci.stream.data_type = Z_BINARY; if ((err == ZIP_OK) && (!zi->ci.raw)) { if (method == Z_DEFLATED) { zi->ci.stream.zalloc = (alloc_func)0; zi->ci.stream.zfree = (free_func)0; zi->ci.stream.opaque = (voidpf)zi; if (windowBits > 0) windowBits = -windowBits; #ifdef HAVE_APPLE_COMPRESSION err = compression_stream_init(&zi->ci.astream, COMPRESSION_STREAM_ENCODE, COMPRESSION_ZLIB); if (err == COMPRESSION_STATUS_ERROR) err = Z_ERRNO; else err = Z_OK; #else err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy); #endif if (err == Z_OK) zi->ci.stream_initialised = Z_DEFLATED; } else if (method == Z_BZIP2ED) { #ifdef HAVE_BZIP2 zi->ci.bstream.bzalloc = 0; zi->ci.bstream.bzfree = 0; zi->ci.bstream.opaque = (voidpf)0; err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0, 35); if (err == BZ_OK) zi->ci.stream_initialised = Z_BZIP2ED; #endif } } #ifndef NOCRYPT if ((err == Z_OK) && (password != NULL)) { #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) { unsigned char passverify[AES_PWVERIFYSIZE]; unsigned char saltvalue[AES_MAXSALTLENGTH]; uint16_t saltlength = 0; if ((AES_ENCRYPTIONMODE < 1) || (AES_ENCRYPTIONMODE > 3)) return Z_ERRNO; saltlength = SALT_LENGTH(AES_ENCRYPTIONMODE); prng_init(cryptrand, zi->ci.aes_rng); prng_rand(saltvalue, saltlength, zi->ci.aes_rng); prng_end(zi->ci.aes_rng); fcrypt_init(AES_ENCRYPTIONMODE, (uint8_t *)password, (uint32_t)strlen(password), saltvalue, passverify, &zi->ci.aes_ctx); if (ZWRITE64(zi->z_filefunc, zi->filestream, saltvalue, saltlength) != saltlength) err = ZIP_ERRNO; if (ZWRITE64(zi->z_filefunc, zi->filestream, passverify, AES_PWVERIFYSIZE) != AES_PWVERIFYSIZE) err = ZIP_ERRNO; zi->ci.total_compressed += saltlength + AES_PWVERIFYSIZE + AES_AUTHCODESIZE; } else #endif { unsigned char buf_head[RAND_HEAD_LEN]; uint32_t size_head = 0; uint8_t verify1 = 0; uint8_t verify2 = 0; zi->ci.pcrc_32_tab = get_crc_table(); /* Info-ZIP modification to ZipCrypto format: If bit 3 of the general purpose bit flag is set, it uses high byte of 16-bit File Time. */ verify1 = (uint8_t)((zi->ci.dos_date >> 16) & 0xff); verify2 = (uint8_t)((zi->ci.dos_date >> 8) & 0xff); size_head = crypthead(password, buf_head, RAND_HEAD_LEN, zi->ci.keys, zi->ci.pcrc_32_tab, verify1, verify2); zi->ci.total_compressed += size_head; if (ZWRITE64(zi->z_filefunc, zi->filestream, buf_head, size_head) != size_head) err = ZIP_ERRNO; } } #endif if (err == Z_OK) zi->in_opened_file_inzip = 1; return err; } extern int ZEXPORT zipOpenNewFileInZip4_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel, int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base, int zip64) { uint8_t aes = 0; #ifdef HAVE_AES aes = 1; #endif return zipOpenNewFileInZip5(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, flag_base, zip64, method, level, raw, windowBits, memLevel, strategy, password, aes, version_madeby); } extern int ZEXPORT zipOpenNewFileInZip4(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel, int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, uint16_t version_madeby, uint16_t flag_base) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, raw, windowBits, memLevel, strategy, password, crc_for_crypting, version_madeby, flag_base, 0); } extern int ZEXPORT zipOpenNewFileInZip3(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel, int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, raw, windowBits, memLevel, strategy, password, crc_for_crypting, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int windowBits, int memLevel, int strategy, const char *password, ZIP_UNUSED uint32_t crc_for_crypting, int zip64) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, raw, windowBits, memLevel, strategy, password, crc_for_crypting, VERSIONMADEBY, 0, zip64); } extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, raw, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, 0); } extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int raw, int zip64) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, raw, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, zip64); } extern int ZEXPORT zipOpenNewFileInZip64(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level, int zip64) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, zip64); } extern int ZEXPORT zipOpenNewFileInZip(zipFile file, const char *filename, const zip_fileinfo *zipfi, const void *extrafield_local, uint16_t size_extrafield_local, const void *extrafield_global, uint16_t size_extrafield_global, const char *comment, uint16_t method, int level) { return zipOpenNewFileInZip4_64(file, filename, zipfi, extrafield_local, size_extrafield_local, extrafield_global, size_extrafield_global, comment, method, level, 0, -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, NULL, 0, VERSIONMADEBY, 0, 0); } /* Flushes the write buffer to disk */ static int zipFlushWriteBuffer(zip64_internal *zi) { uint64_t size_available = 0; uint32_t written = 0; uint32_t total_written = 0; uint32_t write = 0; uint32_t max_write = 0; int err = ZIP_OK; if ((zi->ci.flag & 1) != 0) { #ifndef NOCRYPT #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) { fcrypt_encrypt(zi->ci.buffered_data, zi->ci.pos_in_buffered_data, &zi->ci.aes_ctx); } else #endif { uint32_t i = 0; uint8_t t = 0; for (i = 0; i < zi->ci.pos_in_buffered_data; i++) zi->ci.buffered_data[i] = (uint8_t)zencode(zi->ci.keys, zi->ci.pcrc_32_tab, zi->ci.buffered_data[i], t); } #endif } write = zi->ci.pos_in_buffered_data; do { max_write = write; if (zi->disk_size > 0) { zipGetDiskSizeAvailable((zipFile)zi, &size_available); if (size_available == 0) { err = zipGoToNextDisk((zipFile)zi); if (err != ZIP_OK) return err; } if (size_available < (uint64_t)max_write) max_write = (uint32_t)size_available; } written = ZWRITE64(zi->z_filefunc, zi->filestream, zi->ci.buffered_data + total_written, max_write); if (written != max_write) { err = ZIP_ERRNO; break; } total_written += written; write -= written; } while (write > 0); zi->ci.total_compressed += zi->ci.pos_in_buffered_data; #ifdef HAVE_BZIP2 if (zi->ci.compression_method == Z_BZIP2ED) { zi->ci.total_uncompressed += zi->ci.bstream.total_in_lo32; zi->ci.bstream.total_in_lo32 = 0; zi->ci.bstream.total_in_hi32 = 0; } else #endif { zi->ci.total_uncompressed += zi->ci.stream.total_in; zi->ci.stream.total_in = 0; } zi->ci.pos_in_buffered_data = 0; return err; } extern int ZEXPORT zipWriteInFileInZip(zipFile file, const void *buf, uint32_t len) { zip64_internal *zi = NULL; int err = ZIP_OK; if (file == NULL) return ZIP_PARAMERROR; zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 0) return ZIP_PARAMERROR; zi->ci.crc32 = (uint32_t)crc32(zi->ci.crc32, buf, len); #ifdef HAVE_BZIP2 if ((zi->ci.compression_method == Z_BZIP2ED) && (!zi->ci.raw)) { zi->ci.bstream.next_in = (void*)buf; zi->ci.bstream.avail_in = len; err = BZ_RUN_OK; while ((err == BZ_RUN_OK) && (zi->ci.bstream.avail_in > 0)) { if (zi->ci.bstream.avail_out == 0) { err = zipFlushWriteBuffer(zi); zi->ci.bstream.avail_out = (uint16_t)Z_BUFSIZE; zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; } else { uint32_t total_out_before_lo = zi->ci.bstream.total_out_lo32; uint32_t total_out_before_hi = zi->ci.bstream.total_out_hi32; err = BZ2_bzCompress(&zi->ci.bstream, BZ_RUN); zi->ci.pos_in_buffered_data += (uint16_t)(zi->ci.bstream.total_out_lo32 - total_out_before_lo); } } if (err == BZ_RUN_OK) err = ZIP_OK; } else #endif { zi->ci.stream.next_in = (uint8_t*)buf; zi->ci.stream.avail_in = len; while ((err == ZIP_OK) && (zi->ci.stream.avail_in > 0)) { if (zi->ci.stream.avail_out == 0) { err = zipFlushWriteBuffer(zi); zi->ci.stream.avail_out = Z_BUFSIZE; zi->ci.stream.next_out = zi->ci.buffered_data; } if (err != ZIP_OK) break; if ((zi->ci.compression_method == Z_DEFLATED) && (!zi->ci.raw)) { #ifdef HAVE_APPLE_COMPRESSION uLong total_out_before = zi->ci.stream.total_out; zi->ci.astream.src_ptr = zi->ci.stream.next_in; zi->ci.astream.src_size = zi->ci.stream.avail_in; zi->ci.astream.dst_ptr = zi->ci.stream.next_out; zi->ci.astream.dst_size = zi->ci.stream.avail_out; compression_status status = 0; compression_stream_flags flags = 0; status = compression_stream_process(&zi->ci.astream, flags); uLong total_out_after = len - zi->ci.astream.src_size; zi->ci.stream.next_in = zi->ci.astream.src_ptr; zi->ci.stream.avail_in = zi->ci.astream.src_size; zi->ci.stream.next_out = zi->ci.astream.dst_ptr; zi->ci.stream.avail_out = zi->ci.astream.dst_size; zi->ci.stream.total_in += total_out_after; //zi->ci.stream.total_out += copy_this; zi->ci.pos_in_buffered_data += total_out_after; if (status == COMPRESSION_STATUS_ERROR) err = ZIP_INTERNALERROR; #else uint32_t total_out_before = (uint32_t)zi->ci.stream.total_out; err = deflate(&zi->ci.stream, Z_NO_FLUSH); zi->ci.pos_in_buffered_data += (uint32_t)(zi->ci.stream.total_out - total_out_before); #endif } else { uint32_t copy_this = 0; uint32_t i = 0; if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) copy_this = zi->ci.stream.avail_in; else copy_this = zi->ci.stream.avail_out; for (i = 0; i < copy_this; i++) *(((char*)zi->ci.stream.next_out)+i) = *(((const char*)zi->ci.stream.next_in)+i); zi->ci.stream.avail_in -= copy_this; zi->ci.stream.avail_out -= copy_this; zi->ci.stream.next_in += copy_this; zi->ci.stream.next_out += copy_this; zi->ci.stream.total_in += copy_this; zi->ci.stream.total_out += copy_this; zi->ci.pos_in_buffered_data += copy_this; } } } return err; } extern int ZEXPORT zipCloseFileInZipRaw64(zipFile file, uint64_t uncompressed_size, uint32_t crc32) { zip64_internal *zi = NULL; uint16_t extra_data_size = 0; uint32_t i = 0; unsigned char *extra_info = NULL; int err = ZIP_OK; if (file == NULL) return ZIP_PARAMERROR; zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 0) return ZIP_PARAMERROR; zi->ci.stream.avail_in = 0; if (!zi->ci.raw) { if (zi->ci.compression_method == Z_DEFLATED) { while (err == ZIP_OK) { uint32_t total_out_before = 0; if (zi->ci.stream.avail_out == 0) { err = zipFlushWriteBuffer(zi); zi->ci.stream.avail_out = Z_BUFSIZE; zi->ci.stream.next_out = zi->ci.buffered_data; } if (err != ZIP_OK) break; #ifdef HAVE_APPLE_COMPRESSION total_out_before = zi->ci.stream.total_out; zi->ci.astream.src_ptr = zi->ci.stream.next_in; zi->ci.astream.src_size = zi->ci.stream.avail_in; zi->ci.astream.dst_ptr = zi->ci.stream.next_out; zi->ci.astream.dst_size = zi->ci.stream.avail_out; compression_status status = 0; status = compression_stream_process(&zi->ci.astream, COMPRESSION_STREAM_FINALIZE); uint32_t total_out_after = Z_BUFSIZE - zi->ci.astream.dst_size; zi->ci.stream.next_in = zi->ci.astream.src_ptr; zi->ci.stream.avail_in = zi->ci.astream.src_size; zi->ci.stream.next_out = zi->ci.astream.dst_ptr; zi->ci.stream.avail_out = zi->ci.astream.dst_size; //zi->ci.stream.total_in += total_out_after; //zi->ci.stream.total_out += copy_this; zi->ci.pos_in_buffered_data += total_out_after; if (status == COMPRESSION_STATUS_ERROR) { err = ZIP_INTERNALERROR; } else if (status == COMPRESSION_STATUS_END) { err = Z_STREAM_END; } #else total_out_before = (uint32_t)zi->ci.stream.total_out; err = deflate(&zi->ci.stream, Z_FINISH); zi->ci.pos_in_buffered_data += (uint16_t)(zi->ci.stream.total_out - total_out_before); #endif } } else if (zi->ci.compression_method == Z_BZIP2ED) { #ifdef HAVE_BZIP2 err = BZ_FINISH_OK; while (err == BZ_FINISH_OK) { uint32_t total_out_before = 0; if (zi->ci.bstream.avail_out == 0) { err = zipFlushWriteBuffer(zi); zi->ci.bstream.avail_out = (uint16_t)Z_BUFSIZE; zi->ci.bstream.next_out = (char*)zi->ci.buffered_data; } total_out_before = zi->ci.bstream.total_out_lo32; err = BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH); if (err == BZ_STREAM_END) err = Z_STREAM_END; zi->ci.pos_in_buffered_data += (uint16_t)(zi->ci.bstream.total_out_lo32 - total_out_before); } if (err == BZ_FINISH_OK) err = ZIP_OK; #endif } } if (err == Z_STREAM_END) err = ZIP_OK; /* this is normal */ if ((zi->ci.pos_in_buffered_data > 0) && (err == ZIP_OK)) { err = zipFlushWriteBuffer(zi); } #ifdef HAVE_AES if (zi->ci.method == AES_METHOD) { unsigned char authcode[AES_AUTHCODESIZE]; fcrypt_end(authcode, &zi->ci.aes_ctx); if (ZWRITE64(zi->z_filefunc, zi->filestream, authcode, AES_AUTHCODESIZE) != AES_AUTHCODESIZE) err = ZIP_ERRNO; } #endif if (!zi->ci.raw) { if (zi->ci.compression_method == Z_DEFLATED) { int tmp_err = 0; #ifdef HAVE_APPLE_COMPRESSION tmp_err = compression_stream_destroy(&zi->ci.astream); #else tmp_err = deflateEnd(&zi->ci.stream); #endif if (err == ZIP_OK) err = tmp_err; zi->ci.stream_initialised = 0; } #ifdef HAVE_BZIP2 else if (zi->ci.compression_method == Z_BZIP2ED) { int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream); if (err == ZIP_OK) err = tmperr; zi->ci.stream_initialised = 0; } #endif crc32 = zi->ci.crc32; uncompressed_size = zi->ci.total_uncompressed; } /* Write data descriptor */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)DATADESCRIPTORMAGIC, 4); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, crc32, 4); if (err == ZIP_OK) { if (zi->ci.zip64) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->ci.total_compressed, 8); else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)zi->ci.total_compressed, 4); } if (err == ZIP_OK) { if (zi->ci.zip64) err = zipWriteValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8); else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)uncompressed_size, 4); } /* Update crc and sizes to central directory */ zipWriteValueToMemory(zi->ci.central_header + 16, crc32, 4); /* crc */ if (zi->ci.total_compressed >= UINT32_MAX) zipWriteValueToMemory(zi->ci.central_header + 20, UINT32_MAX, 4); /* compr size */ else zipWriteValueToMemory(zi->ci.central_header + 20, zi->ci.total_compressed, 4); /* compr size */ if (uncompressed_size >= UINT32_MAX) zipWriteValueToMemory(zi->ci.central_header + 24, UINT32_MAX, 4); /* uncompr size */ else zipWriteValueToMemory(zi->ci.central_header + 24, uncompressed_size, 4); /* uncompr size */ if (zi->ci.stream.data_type == Z_ASCII) zipWriteValueToMemory(zi->ci.central_header + 36, (uint16_t)Z_ASCII, 2); /* internal file attrib */ /* Add ZIP64 extra info field for uncompressed size */ if (uncompressed_size >= UINT32_MAX) extra_data_size += 8; /* Add ZIP64 extra info field for compressed size */ if (zi->ci.total_compressed >= UINT32_MAX) extra_data_size += 8; /* Add ZIP64 extra info field for relative offset to local file header of current file */ if (zi->ci.pos_local_header >= UINT32_MAX) extra_data_size += 8; /* Add ZIP64 extra info header to central directory */ if (extra_data_size > 0) { if ((uint32_t)(extra_data_size + 4) > zi->ci.size_centralextrafree) return ZIP_BADZIPFILE; extra_info = (unsigned char*)zi->ci.central_header + zi->ci.size_centralheader; zipWriteValueToMemoryAndMove(&extra_info, 0x0001, 2); zipWriteValueToMemoryAndMove(&extra_info, extra_data_size, 2); if (uncompressed_size >= UINT32_MAX) zipWriteValueToMemoryAndMove(&extra_info, uncompressed_size, 8); if (zi->ci.total_compressed >= UINT32_MAX) zipWriteValueToMemoryAndMove(&extra_info, zi->ci.total_compressed, 8); if (zi->ci.pos_local_header >= UINT32_MAX) zipWriteValueToMemoryAndMove(&extra_info, zi->ci.pos_local_header, 8); zi->ci.size_centralextrafree -= extra_data_size + 4; zi->ci.size_centralheader += extra_data_size + 4; zi->ci.size_centralextra += extra_data_size + 4; zipWriteValueToMemory(zi->ci.central_header + 30, zi->ci.size_centralextra, 2); } #ifdef HAVE_AES /* Write AES extra info header to central directory */ if (zi->ci.method == AES_METHOD) { extra_info = (unsigned char*)zi->ci.central_header + zi->ci.size_centralheader; extra_data_size = 7; if ((uint32_t)(extra_data_size + 4) > zi->ci.size_centralextrafree) return ZIP_BADZIPFILE; zipWriteValueToMemoryAndMove(&extra_info, 0x9901, 2); zipWriteValueToMemoryAndMove(&extra_info, extra_data_size, 2); zipWriteValueToMemoryAndMove(&extra_info, AES_VERSION, 2); zipWriteValueToMemoryAndMove(&extra_info, 'A', 1); zipWriteValueToMemoryAndMove(&extra_info, 'E', 1); zipWriteValueToMemoryAndMove(&extra_info, AES_ENCRYPTIONMODE, 1); zipWriteValueToMemoryAndMove(&extra_info, zi->ci.compression_method, 2); zi->ci.size_centralextrafree -= extra_data_size + 4; zi->ci.size_centralheader += extra_data_size + 4; zi->ci.size_centralextra += extra_data_size + 4; zipWriteValueToMemory(zi->ci.central_header + 30, zi->ci.size_centralextra, 2); } #endif /* Restore comment to correct position */ for (i = 0; i < zi->ci.size_comment; i++) zi->ci.central_header[zi->ci.size_centralheader+i] = zi->ci.central_header[zi->ci.size_centralheader+zi->ci.size_centralextrafree+i]; zi->ci.size_centralheader += zi->ci.size_comment; if (err == ZIP_OK) err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, zi->ci.size_centralheader); free(zi->ci.central_header); zi->number_entry++; zi->in_opened_file_inzip = 0; return err; } extern int ZEXPORT zipCloseFileInZipRaw(zipFile file, uint32_t uncompressed_size, uint32_t crc32) { return zipCloseFileInZipRaw64(file, uncompressed_size, crc32); } extern int ZEXPORT zipCloseFileInZip(zipFile file) { return zipCloseFileInZipRaw(file, 0, 0); } extern int ZEXPORT zipClose(zipFile file, const char *global_comment) { return zipClose_64(file, global_comment); } extern int ZEXPORT zipClose_64(zipFile file, const char *global_comment) { return zipClose2_64(file, global_comment, VERSIONMADEBY); } extern int ZEXPORT zipClose2_64(zipFile file, const char *global_comment, uint16_t version_madeby) { zip64_internal *zi = NULL; uint32_t size_centraldir = 0; uint16_t size_global_comment = 0; uint64_t centraldir_pos_inzip = 0; uint64_t pos = 0; uint64_t cd_pos = 0; uint32_t write = 0; int err = ZIP_OK; if (file == NULL) return ZIP_PARAMERROR; zi = (zip64_internal*)file; if (zi->in_opened_file_inzip == 1) err = zipCloseFileInZip(file); #ifndef NO_ADDFILEINEXISTINGZIP if (global_comment == NULL) global_comment = zi->globalcomment; #endif if (zi->filestream != zi->filestream_with_CD) { if (ZCLOSE64(zi->z_filefunc, zi->filestream) != 0) if (err == ZIP_OK) err = ZIP_ERRNO; if (zi->disk_size > 0) zi->number_disk_with_CD = zi->number_disk + 1; zi->filestream = zi->filestream_with_CD; } centraldir_pos_inzip = ZTELL64(zi->z_filefunc, zi->filestream); if (err == ZIP_OK) { linkedlist_datablock_internal *ldi = zi->central_dir.first_block; while (ldi != NULL) { if ((err == ZIP_OK) && (ldi->filled_in_this_block > 0)) { write = ZWRITE64(zi->z_filefunc, zi->filestream, ldi->data, ldi->filled_in_this_block); if (write != ldi->filled_in_this_block) err = ZIP_ERRNO; } size_centraldir += ldi->filled_in_this_block; ldi = ldi->next_datablock; } } free_linkedlist(&(zi->central_dir)); pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; /* Write the ZIP64 central directory header */ if (pos >= UINT32_MAX || zi->number_entry > UINT32_MAX) { uint64_t zip64_eocd_pos_inzip = ZTELL64(zi->z_filefunc, zi->filestream); uint32_t zip64_datasize = 44; err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)ZIP64ENDHEADERMAGIC, 4); /* Size of this 'zip64 end of central directory' */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint64_t)zip64_datasize, 8); /* Version made by */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, version_madeby, 2); /* version needed */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)45, 2); /* Number of this disk */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_disk_with_CD, 4); /* Number of the disk with the start of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_disk_with_CD, 4); /* Total number of entries in the central dir on this disk */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); /* Total number of entries in the central dir */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8); /* Size of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint64_t)size_centraldir, 8); if (err == ZIP_OK) { /* Offset of start of central directory with respect to the starting disk number */ cd_pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; err = zipWriteValue(&zi->z_filefunc, zi->filestream, cd_pos, 8); } if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)ZIP64ENDLOCHEADERMAGIC, 4); /* Number of the disk with the start of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_disk_with_CD, 4); /* Relative offset to the Zip64EndOfCentralDirectory */ if (err == ZIP_OK) { cd_pos = zip64_eocd_pos_inzip - zi->add_position_when_writting_offset; err = zipWriteValue(&zi->z_filefunc, zi->filestream, cd_pos, 8); } /* Number of the disk with the start of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, zi->number_disk_with_CD + 1, 4); } /* Write the central directory header */ /* Signature */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)ENDHEADERMAGIC, 4); /* Number of this disk */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)zi->number_disk_with_CD, 2); /* Number of the disk with the start of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)zi->number_disk_with_CD, 2); /* Total number of entries in the central dir on this disk */ if (err == ZIP_OK) { if (zi->number_entry >= UINT16_MAX) err = zipWriteValue(&zi->z_filefunc, zi->filestream, UINT16_MAX, 2); /* use value in ZIP64 record */ else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)zi->number_entry, 2); } /* Total number of entries in the central dir */ if (err == ZIP_OK) { if (zi->number_entry >= UINT16_MAX) err = zipWriteValue(&zi->z_filefunc, zi->filestream, UINT16_MAX, 2); /* use value in ZIP64 record */ else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint16_t)zi->number_entry, 2); } /* Size of the central directory */ if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, size_centraldir, 4); /* Offset of start of central directory with respect to the starting disk number */ if (err == ZIP_OK) { cd_pos = centraldir_pos_inzip - zi->add_position_when_writting_offset; if (pos >= UINT32_MAX) err = zipWriteValue(&zi->z_filefunc, zi->filestream, UINT32_MAX, 4); else err = zipWriteValue(&zi->z_filefunc, zi->filestream, (uint32_t)cd_pos, 4); } /* Write global comment */ if (global_comment != NULL) size_global_comment = (uint16_t)strlen(global_comment); if (err == ZIP_OK) err = zipWriteValue(&zi->z_filefunc, zi->filestream, size_global_comment, 2); if (err == ZIP_OK && size_global_comment > 0) { if (ZWRITE64(zi->z_filefunc, zi->filestream, global_comment, size_global_comment) != size_global_comment) err = ZIP_ERRNO; } if ((ZCLOSE64(zi->z_filefunc, zi->filestream) != 0) && (err == ZIP_OK)) err = ZIP_ERRNO; #ifndef NO_ADDFILEINEXISTINGZIP TRYFREE(zi->globalcomment); #endif TRYFREE(zi); return err; }