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Diffstat (limited to 'ext/zip/lib/zip_dirent.c')
-rw-r--r--ext/zip/lib/zip_dirent.c532
1 files changed, 0 insertions, 532 deletions
diff --git a/ext/zip/lib/zip_dirent.c b/ext/zip/lib/zip_dirent.c
deleted file mode 100644
index f0c988bc70..0000000000
--- a/ext/zip/lib/zip_dirent.c
+++ /dev/null
@@ -1,532 +0,0 @@
-/*
- $NiH: zip_dirent.c,v 1.9 2006/04/23 14:51:45 wiz Exp $
-
- zip_dirent.c -- read directory entry (local or central), clean dirent
- Copyright (C) 1999, 2003, 2004, 2005 Dieter Baron and Thomas Klausner
-
- This file is part of libzip, a library to manipulate ZIP archives.
- The authors can be contacted at <nih@giga.or.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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#ifndef _MSC_VER
-#include <unistd.h>
-#endif
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "zip.h"
-#include "zipint.h"
-
-static time_t _zip_d2u_time(int, int);
-static char *_zip_readfpstr(FILE *, unsigned int, int, struct zip_error *);
-static char *_zip_readstr(unsigned char **, int, int, struct zip_error *);
-static void _zip_u2d_time(time_t, unsigned short *, unsigned short *);
-static void _zip_write2(unsigned short, FILE *);
-static void _zip_write4(unsigned int, FILE *);
-
-
-
-void
-_zip_cdir_free(struct zip_cdir *cd)
-{
- int i;
-
- if (!cd)
- return;
-
- for (i=0; i<cd->nentry; i++)
- _zip_dirent_finalize(cd->entry+i);
- free(cd->comment);
- free(cd->entry);
- free(cd);
-}
-
-
-
-struct zip_cdir *
-_zip_cdir_new(int nentry, struct zip_error *error)
-{
- struct zip_cdir *cd;
-
- if ((cd=(struct zip_cdir *)malloc(sizeof(*cd))) == NULL) {
- _zip_error_set(error, ZIP_ER_MEMORY, 0);
- return NULL;
- }
-
- if ((cd->entry=(struct zip_dirent *)malloc(sizeof(*(cd->entry))*nentry))
- == NULL) {
- _zip_error_set(error, ZIP_ER_MEMORY, 0);
- free(cd);
- return NULL;
- }
-
- /* entries must be initialized by caller */
-
- cd->nentry = nentry;
- cd->size = cd->offset = 0;
- cd->comment = NULL;
- cd->comment_len = 0;
-
- return cd;
-}
-
-
-
-int
-_zip_cdir_write(struct zip_cdir *cd, FILE *fp, struct zip_error *error)
-{
- int i;
-
- cd->offset = ftell(fp);
-
- for (i=0; i<cd->nentry; i++) {
- if (_zip_dirent_write(cd->entry+i, fp, 0, error) != 0)
- return -1;
- }
-
- cd->size = ftell(fp) - cd->offset;
-
- /* clearerr(fp); */
- fwrite(EOCD_MAGIC, 1, 4, fp);
- _zip_write4(0, fp);
- _zip_write2((unsigned short)cd->nentry, fp);
- _zip_write2((unsigned short)cd->nentry, fp);
- _zip_write4(cd->size, fp);
- _zip_write4(cd->offset, fp);
- _zip_write2(cd->comment_len, fp);
- fwrite(cd->comment, 1, cd->comment_len, fp);
-
- if (ferror(fp)) {
- _zip_error_set(error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- return 0;
-}
-
-
-
-void
-_zip_dirent_finalize(struct zip_dirent *zde)
-{
- free(zde->filename);
- zde->filename = NULL;
- free(zde->extrafield);
- zde->extrafield = NULL;
- free(zde->comment);
- zde->comment = NULL;
-}
-
-
-
-void
-_zip_dirent_init(struct zip_dirent *de)
-{
- de->version_madeby = 0;
- de->version_needed = 20; /* 2.0 */
- de->bitflags = 0;
- de->comp_method = 0;
- de->last_mod = 0;
- de->crc = 0;
- de->comp_size = 0;
- de->uncomp_size = 0;
- de->filename = NULL;
- de->filename_len = 0;
- de->extrafield = NULL;
- de->extrafield_len = 0;
- de->comment = NULL;
- de->comment_len = 0;
- de->disk_number = 0;
- de->int_attrib = 0;
- de->ext_attrib = 0;
- de->offset = 0;
-}
-
-
-
-/* _zip_dirent_read(zde, fp, bufp, left, localp, error):
- Fills the zip directory entry zde.
-
- If bufp is non-NULL, data is taken from there and bufp is advanced
- by the amount of data used; no more than left bytes are used.
- Otherwise data is read from fp as needed.
-
- If localp != 0, it reads a local header instead of a central
- directory entry.
-
- Returns 0 if successful. On error, error is filled in and -1 is
- returned.
-*/
-
-int
-_zip_dirent_read(struct zip_dirent *zde, FILE *fp,
- unsigned char **bufp, unsigned int left, int localp,
- struct zip_error *error)
-{
- unsigned char buf[CDENTRYSIZE];
- unsigned char *cur;
- unsigned short dostime, dosdate;
- unsigned int size;
-
- if (localp)
- size = LENTRYSIZE;
- else
- size = CDENTRYSIZE;
-
- if (bufp) {
- /* use data from buffer */
- cur = *bufp;
- if (left < size) {
- _zip_error_set(error, ZIP_ER_NOZIP, 0);
- return -1;
- }
- }
- else {
- /* read entry from disk */
- if ((fread(buf, 1, size, fp)<size)) {
- _zip_error_set(error, ZIP_ER_READ, errno);
- return -1;
- }
- left = size;
- cur = buf;
- }
-
- if (memcmp(cur, (localp ? LOCAL_MAGIC : CENTRAL_MAGIC), 4) != 0) {
- _zip_error_set(error, ZIP_ER_NOZIP, 0);
- return -1;
- }
- cur += 4;
-
-
- /* convert buffercontents to zip_dirent */
-
- if (!localp)
- zde->version_madeby = _zip_read2(&cur);
- else
- zde->version_madeby = 0;
- zde->version_needed = _zip_read2(&cur);
- zde->bitflags = _zip_read2(&cur);
- zde->comp_method = _zip_read2(&cur);
-
- /* convert to time_t */
- dostime = _zip_read2(&cur);
- dosdate = _zip_read2(&cur);
- zde->last_mod = _zip_d2u_time(dostime, dosdate);
-
- zde->crc = _zip_read4(&cur);
- zde->comp_size = _zip_read4(&cur);
- zde->uncomp_size = _zip_read4(&cur);
-
- zde->filename_len = _zip_read2(&cur);
- zde->extrafield_len = _zip_read2(&cur);
-
- if (localp) {
- zde->comment_len = 0;
- zde->disk_number = 0;
- zde->int_attrib = 0;
- zde->ext_attrib = 0;
- zde->offset = 0;
- } else {
- zde->comment_len = _zip_read2(&cur);
- zde->disk_number = _zip_read2(&cur);
- zde->int_attrib = _zip_read2(&cur);
- zde->ext_attrib = _zip_read4(&cur);
- zde->offset = _zip_read4(&cur);
- }
-
- zde->filename = NULL;
- zde->extrafield = NULL;
- zde->comment = NULL;
-
- if (bufp) {
- if (left < CDENTRYSIZE + (zde->filename_len+zde->extrafield_len
- +zde->comment_len)) {
- _zip_error_set(error, ZIP_ER_NOZIP, 0);
- return -1;
- }
-
- if (zde->filename_len) {
- zde->filename = _zip_readstr(&cur, zde->filename_len, 1, error);
- if (!zde->filename)
- return -1;
- }
-
- if (zde->extrafield_len) {
- zde->extrafield = _zip_readstr(&cur, zde->extrafield_len, 0,
- error);
- if (!zde->extrafield)
- return -1;
- }
-
- if (zde->comment_len) {
- zde->comment = _zip_readstr(&cur, zde->comment_len, 0, error);
- if (!zde->comment)
- return -1;
- }
- }
- else {
- if (zde->filename_len) {
- zde->filename = _zip_readfpstr(fp, zde->filename_len, 1, error);
- if (!zde->filename)
- return -1;
- }
-
- if (zde->extrafield_len) {
- zde->extrafield = _zip_readfpstr(fp, zde->extrafield_len, 0,
- error);
- if (!zde->extrafield)
- return -1;
- }
-
- if (zde->comment_len) {
- zde->comment = _zip_readfpstr(fp, zde->comment_len, 0, error);
- if (!zde->comment)
- return -1;
- }
- }
-
- if (bufp)
- *bufp = cur;
-
- return 0;
-}
-
-
-
-/* _zip_dirent_write(zde, fp, localp, error):
- Writes zip directory entry zde to file fp.
-
- If localp != 0, it writes a local header instead of a central
- directory entry.
-
- Returns 0 if successful. On error, error is filled in and -1 is
- returned.
-*/
-
-int
-_zip_dirent_write(struct zip_dirent *zde, FILE *fp, int localp,
- struct zip_error *error)
-{
- unsigned short dostime, dosdate;
-
- fwrite(localp ? LOCAL_MAGIC : CENTRAL_MAGIC, 1, 4, fp);
-
- if (!localp)
- _zip_write2(zde->version_madeby, fp);
- _zip_write2(zde->version_needed, fp);
- _zip_write2(zde->bitflags, fp);
- _zip_write2(zde->comp_method, fp);
-
- _zip_u2d_time(zde->last_mod, &dostime, &dosdate);
- _zip_write2(dostime, fp);
- _zip_write2(dosdate, fp);
-
- _zip_write4(zde->crc, fp);
- _zip_write4(zde->comp_size, fp);
- _zip_write4(zde->uncomp_size, fp);
-
- _zip_write2(zde->filename_len, fp);
- _zip_write2(zde->extrafield_len, fp);
-
- if (!localp) {
- _zip_write2(zde->comment_len, fp);
- _zip_write2(zde->disk_number, fp);
- _zip_write2(zde->int_attrib, fp);
- _zip_write4(zde->ext_attrib, fp);
- _zip_write4(zde->offset, fp);
- }
-
- if (zde->filename_len)
- fwrite(zde->filename, 1, zde->filename_len, fp);
-
- if (zde->extrafield_len)
- fwrite(zde->extrafield, 1, zde->extrafield_len, fp);
-
- if (!localp) {
- if (zde->comment_len)
- fwrite(zde->comment, 1, zde->comment_len, fp);
- }
-
- if (ferror(fp)) {
- _zip_error_set(error, ZIP_ER_WRITE, errno);
- return -1;
- }
-
- return 0;
-}
-
-
-
-static time_t
-_zip_d2u_time(int dtime, int ddate)
-{
- struct tm *tm;
- time_t now;
-
- now = time(NULL);
- tm = localtime(&now);
-
- tm->tm_year = ((ddate>>9)&127) + 1980 - 1900;
- tm->tm_mon = ((ddate>>5)&15) - 1;
- tm->tm_mday = ddate&31;
-
- tm->tm_hour = (dtime>>11)&31;
- tm->tm_min = (dtime>>5)&63;
- tm->tm_sec = (dtime<<1)&62;
-
- return mktime(tm);
-}
-
-
-
-unsigned short
-_zip_read2(unsigned char **a)
-{
- unsigned short ret;
-
- ret = (*a)[0]+((*a)[1]<<8);
- *a += 2;
-
- return ret;
-}
-
-
-
-unsigned int
-_zip_read4(unsigned char **a)
-{
- unsigned int ret;
-
- ret = ((((((*a)[3]<<8)+(*a)[2])<<8)+(*a)[1])<<8)+(*a)[0];
- *a += 4;
-
- return ret;
-}
-
-
-
-static char *
-_zip_readfpstr(FILE *fp, unsigned int len, int nulp, struct zip_error *error)
-{
- char *r, *o;
-
- r = (char *)malloc(nulp ? len+1 : len);
- if (!r) {
- _zip_error_set(error, ZIP_ER_MEMORY, 0);
- return NULL;
- }
-
- if (fread(r, 1, len, fp)<len) {
- free(r);
- _zip_error_set(error, ZIP_ER_READ, errno);
- return NULL;
- }
-
- if (nulp) {
- /* replace any in-string NUL characters with spaces */
- r[len] = 0;
- for (o=r; o<r+len; o++)
- if (*o == '\0')
- *o = ' ';
- }
-
- return r;
-}
-
-
-
-static char *
-_zip_readstr(unsigned char **buf, int len, int nulp, struct zip_error *error)
-{
- char *r, *o;
-
- r = (char *)malloc(nulp ? len+1 : len);
- if (!r) {
- _zip_error_set(error, ZIP_ER_MEMORY, 0);
- return NULL;
- }
-
- memcpy(r, *buf, len);
- *buf += len;
-
- if (nulp) {
- /* replace any in-string NUL characters with spaces */
- r[len] = 0;
- for (o=r; o<r+len; o++)
- if (*o == '\0')
- *o = ' ';
- }
-
- return r;
-}
-
-
-
-static void
-_zip_write2(unsigned short i, FILE *fp)
-{
- putc(i&0xff, fp);
- putc((i>>8)&0xff, fp);
-
- return;
-}
-
-
-
-static void
-_zip_write4(unsigned int i, FILE *fp)
-{
- putc(i&0xff, fp);
- putc((i>>8)&0xff, fp);
- putc((i>>16)&0xff, fp);
- putc((i>>24)&0xff, fp);
-
- return;
-}
-
-
-
-static void
-_zip_u2d_time(time_t time, unsigned short *dtime, unsigned short *ddate)
-{
- struct tm *tm;
-
- tm = localtime(&time);
- *ddate = ((tm->tm_year+1900-1980)<<9) + ((tm->tm_mon+1)<<5)
- + tm->tm_mday;
- *dtime = ((tm->tm_hour)<<11) + ((tm->tm_min)<<5)
- + ((tm->tm_sec)>>1);
-
- return;
-}
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