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authorEric Andersen <andersen@codepoet.org>2001-05-13 15:39:30 +0000
committerEric Andersen <andersen@codepoet.org>2001-05-13 15:39:30 +0000
commita17b3631fe866ba84f2be753e28b4ac5cac45341 (patch)
tree290ce540a96269c74ffc1a501dabc1789547e676
parent95a349f427158f1e99bfd1d5534963d9cb55860d (diff)
downloadbusybox-a17b3631fe866ba84f2be753e28b4ac5cac45341.tar.gz
Do not ever change permissions on existing directories, only
on directories we created while extracting a tarball. Fix based on bug report and patch from Konstantin Boldyshev <konst@linuxassembly.org> -Erik
-rw-r--r--archival/tar.c8
-rw-r--r--tar.c8
2 files changed, 12 insertions, 4 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 135bfd186..6af16f4bd 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -382,6 +382,7 @@ tarExtractRegularFile(TarInfo *header, int extractFlag, int tostdoutFlag)
static int
tarExtractDirectory(TarInfo *header, int extractFlag, int tostdoutFlag)
{
+ int result;
if (extractFlag==FALSE || tostdoutFlag==TRUE)
return( TRUE);
@@ -393,12 +394,15 @@ tarExtractDirectory(TarInfo *header, int extractFlag, int tostdoutFlag)
/* make the final component, just in case it was
* omitted by create_path() (which will skip the
* directory if it doesn't have a terminating '/') */
- if (mkdir(header->name, header->mode) < 0 && errno != EEXIST) {
+ result = mkdir(header->name, header->mode);
+ /* Don't fix permissions on pre-existing directories */
+ if (result == 0) {
+ fixUpPermissions(header);
+ } else if (result < 0 && errno != EEXIST) {
perror_msg("%s", header->name);
return FALSE;
}
- fixUpPermissions(header);
return( TRUE);
}
diff --git a/tar.c b/tar.c
index 135bfd186..6af16f4bd 100644
--- a/tar.c
+++ b/tar.c
@@ -382,6 +382,7 @@ tarExtractRegularFile(TarInfo *header, int extractFlag, int tostdoutFlag)
static int
tarExtractDirectory(TarInfo *header, int extractFlag, int tostdoutFlag)
{
+ int result;
if (extractFlag==FALSE || tostdoutFlag==TRUE)
return( TRUE);
@@ -393,12 +394,15 @@ tarExtractDirectory(TarInfo *header, int extractFlag, int tostdoutFlag)
/* make the final component, just in case it was
* omitted by create_path() (which will skip the
* directory if it doesn't have a terminating '/') */
- if (mkdir(header->name, header->mode) < 0 && errno != EEXIST) {
+ result = mkdir(header->name, header->mode);
+ /* Don't fix permissions on pre-existing directories */
+ if (result == 0) {
+ fixUpPermissions(header);
+ } else if (result < 0 && errno != EEXIST) {
perror_msg("%s", header->name);
return FALSE;
}
- fixUpPermissions(header);
return( TRUE);
}