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tar: revert older fix (non-portable), added new one.

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testsuite tar-extracts-all-subdirs now passes.
This commit is contained in:
Denis Vlasenko 2006-09-03 14:04:33 +00:00
parent 65113e8d97
commit 314908da9e
4 changed files with 44 additions and 7 deletions
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4
archival/libunarchive/filter_accept_reject_list.c
View File

@ -14,14 +14,14 @@
char filter_accept_reject_list(archive_handle_t *archive_handle)
{
const char *key = archive_handle->file_header->name;
const llist_t *reject_entry = find_list_entry(archive_handle->reject, key);
const llist_t *reject_entry = find_list_entry2(archive_handle->reject, key);
const llist_t *accept_entry;
/* If the key is in a reject list fail */
if (reject_entry) {
return(EXIT_FAILURE);
}
accept_entry = find_list_entry(archive_handle->accept, key);
accept_entry = find_list_entry2(archive_handle->accept, key);
/* Fail if an accept list was specified and the key wasnt in there */
if ((accept_entry == NULL) && archive_handle->accept) {

40
archival/libunarchive/find_list_entry.c
View File

@ -9,14 +9,46 @@
#include <stdlib.h>
#include "unarchive.h"
/* Find a string in a list */
/* Find a string in a shell pattern list */
const llist_t *find_list_entry(const llist_t *list, const char *filename)
{
while (list) {
if (fnmatch(list->data, filename, FNM_LEADING_DIR) == 0) {
return (list);
if (fnmatch(list->data, filename, 0) == 0) {
return list;
}
list = list->link;
}
return(NULL);
return NULL;
}
/* Same, but compares only path components present in pattern
* (extra trailing path components in filename are assumed to match)
*/
const llist_t *find_list_entry2(const llist_t *list, const char *filename)
{
char buf[PATH_MAX];
int pattern_slash_cnt;
const char *c;
char *d;
while (list) {
c = list->data;
pattern_slash_cnt = 0;
while (*c)
if (*c++ == '/') pattern_slash_cnt++;
c = filename;
d = buf;
/* paranoia is better that buffer overflows */
while (*c && d != buf + sizeof(buf)-1) {
if (*c == '/' && --pattern_slash_cnt < 0)
break;
*d++ = *c++;
}
*d = '\0';
if (fnmatch(list->data, buf, 0) == 0) {
return list;
}
list = list->link;
}
return NULL;
}

6
archival/tar.c
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@ -545,8 +545,12 @@ static llist_t *append_file_list_to_list(llist_t *list)
tmp = cur;
cur = cur->link;
free(tmp);
while ((line = bb_get_chomped_line_from_file(src_stream)) != NULL)
while ((line = bb_get_chomped_line_from_file(src_stream)) != NULL) {
char *filename_ptr = last_char_is(line, '/');
if (filename_ptr > line)
*filename_ptr = '\0';
llist_add_to(&newlist, line);
}
fclose(src_stream);
}
return newlist;

1
include/unarchive.h
View File

@ -98,6 +98,7 @@ extern ssize_t archive_xread_all_eof(archive_handle_t *archive_handle, unsigned
extern void data_align(archive_handle_t *archive_handle, const unsigned short boundary);
extern const llist_t *find_list_entry(const llist_t *list, const char *filename);
extern const llist_t *find_list_entry2(const llist_t *list, const char *filename);
extern int uncompressStream(int src_fd, int dst_fd);
extern void inflate_init(unsigned int bufsize);