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authorMatt Kraai <kraai@debian.org>2001-01-22 05:25:19 +0000
committerMatt Kraai <kraai@debian.org>2001-01-22 05:25:19 +0000
commit8f8dab94e579958e5702d535b7b023bb548f5b64 (patch)
tree2b38d31e022f2b0f9750608c0609d9fcb8039ba6 /archival
parent0d5a08ed923acc955cb832992d46225951cb73d2 (diff)
downloadbusybox-8f8dab94e579958e5702d535b7b023bb548f5b64.tar.gz
Fixed listed files to extract to be more like GNU. Reported by Deon George.
Diffstat (limited to 'archival')
-rw-r--r--archival/tar.c52
1 files changed, 23 insertions, 29 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 49e99a1a5..bf8f9b813 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -604,6 +604,21 @@ int exclude_file(char **excluded_files, const char *file)
return 0;
}
+int extract_file(char **extract_files, const char *file)
+{
+ int i;
+
+ if (extract_files == NULL)
+ return 1;
+
+ for (i = 0; extract_files[i] != NULL; i++) {
+ if (fnmatch(extract_files[i], file, FNM_LEADING_DIR) == 0)
+ return 1;
+ }
+
+ return 0;
+}
+
/*
* Read a tar file and extract or list the specified files within it.
* If the list is empty than all files are extracted or listed.
@@ -617,7 +632,6 @@ extern int readTarFile(int tarFd, int extractFlag, int listFlag,
int skipNextHeaderFlag=FALSE;
TarHeader rawHeader;
TarInfo header;
- char** tmpList;
/* Set the umask for this process so it doesn't
* screw up permission setting for us later. */
@@ -669,30 +683,16 @@ extern int readTarFile(int tarFd, int extractFlag, int listFlag,
}
#endif
- if (extractList != NULL) {
- int skipFlag = TRUE;
- for (tmpList = extractList; *tmpList != NULL; tmpList++) {
- if (strncmp( *tmpList, header.name, strlen(*tmpList))==0 || (
- header.name[strlen(header.name)-1]=='/'
- && strncmp( *tmpList, header.name,
- MIN(strlen(header.name)-1, strlen(*tmpList)))==0)) {
- /* If it is a regular file, pretend to extract it with
- * the extractFlag set to FALSE, so the junk in the tarball
- * is properly skipped over */
- skipFlag = FALSE;
- memmove(extractList+1, extractList,
- sizeof(*extractList)*(tmpList-extractList));
- extractList++;
- break;
- }
- }
+ if (!extract_file(extractList, header.name)) {
/* There are not the droids you're looking for, move along */
- if (skipFlag == TRUE) {
- if ( header.type==REGTYPE || header.type==REGTYPE0 )
- if (tarExtractRegularFile(&header, FALSE, FALSE) == FALSE)
- errorFlag = TRUE;
- continue;
+ /* If it is a regular file, pretend to extract it with
+ * the extractFlag set to FALSE, so the junk in the tarball
+ * is properly skipped over */
+ if ( header.type==REGTYPE || header.type==REGTYPE0 ) {
+ if (tarExtractRegularFile(&header, FALSE, FALSE) == FALSE)
+ errorFlag = TRUE;
}
+ continue;
}
if (listFlag == TRUE) {
@@ -813,12 +813,6 @@ extern int readTarFile(int tarFd, int extractFlag, int listFlag,
/* Stuff to do when we are done */
endgame:
close( tarFd);
- if (extractList != NULL) {
- for (; *extractList != NULL; extractList++) {
- error_msg("%s: Not found in archive\n", *extractList);
- errorFlag = TRUE;
- }
- }
if ( *(header.name) == '\0' ) {
if (errorFlag==TRUE)
error_msg( "Error exit delayed from previous errors\n");