vendor/libarchive/3.3.1

1 files changed, 62 insertions, 15 deletions

diff --git a/libarchive/archive_write_disk_posix.c b/libarchive/archive_write_disk_posix.c
index 49e79dc23e9d..5a01e8450cef 100644
--- a/libarchive/archive_write_disk_posix.c
+++ b/libarchive/archive_write_disk_posix.c
@@ -1712,7 +1712,8 @@ _archive_write_disk_finish_entry(struct archive *_a)
 		const void *metadata;
 		size_t metadata_size;
 		metadata = archive_entry_mac_metadata(a->entry, &metadata_size);
-		if (metadata == NULL || metadata_size == 0) {
+		if ((a->todo & TODO_MAC_METADATA) == 0 ||
+		    metadata == NULL || metadata_size == 0) {
 #endif
 		r2 = archive_write_disk_set_acls(&a->archive, a->fd,
 		    archive_entry_pathname(a->entry),
@@ -2067,6 +2068,7 @@ create_filesystem_object(struct archive_write_disk *a)
 	int r;
 	/* these for check_symlinks_fsobj */
 	char *linkname_copy;	/* non-const copy of linkname */
+	struct stat st;
 	struct archive_string error_string;
 	int error_number;
 
@@ -2131,11 +2133,20 @@ create_filesystem_object(struct archive_write_disk *a)
 			a->todo = 0;
 			a->deferred = 0;
 		} else if (r == 0 && a->filesize > 0) {
-			a->fd = open(a->name, O_WRONLY | O_TRUNC | O_BINARY
-			    | O_CLOEXEC | O_NOFOLLOW);
-			__archive_ensure_cloexec_flag(a->fd);
-			if (a->fd < 0)
+#ifdef HAVE_LSTAT
+			r = lstat(a->name, &st);
+#else
+			r = stat(a->name, &st);
+#endif
+			if (r != 0)
 				r = errno;
+			else if ((st.st_mode & AE_IFMT) == AE_IFREG) {
+				a->fd = open(a->name, O_WRONLY | O_TRUNC |
+				    O_BINARY | O_CLOEXEC | O_NOFOLLOW);
+				__archive_ensure_cloexec_flag(a->fd);
+				if (a->fd < 0)
+					r = errno;
+			}
 		}
 		return (r);
 #endif
@@ -2283,7 +2294,8 @@ _archive_write_disk_close(struct archive *_a)
 			chmod(p->name, p->mode);
 		if (p->fixup & TODO_ACLS)
 #ifdef HAVE_DARWIN_ACL
-			if (p->mac_metadata == NULL ||
+			if ((p->fixup & TODO_MAC_METADATA) == 0 ||
+			    p->mac_metadata == NULL ||
 			    p->mac_metadata_size == 0)
 #endif
 				archive_write_disk_set_acls(&a->archive,
@@ -3455,12 +3467,19 @@ set_fflags(struct archive_write_disk *a)
 #ifdef UF_APPEND
 	critical_flags |= UF_APPEND;
 #endif
-#ifdef EXT2_APPEND_FL
+#if defined(FS_APPEND_FL)
+	critical_flags |= FS_APPEND_FL;
+#elif defined(EXT2_APPEND_FL)
 	critical_flags |= EXT2_APPEND_FL;
 #endif
-#ifdef EXT2_IMMUTABLE_FL
+#if defined(FS_IMMUTABLE_FL)
+	critical_flags |= FS_IMMUTABLE_FL;
+#elif defined(EXT2_IMMUTABLE_FL)
 	critical_flags |= EXT2_IMMUTABLE_FL;
 #endif
+#ifdef FS_JOURNAL_DATA_FL
+	critical_flags |= FS_JOURNAL_DATA_FL;
+#endif
 
 	if (a->todo & TODO_FFLAGS) {
 		archive_entry_fflags(a->entry, &set, &clear);
@@ -3572,7 +3591,10 @@ set_fflags_platform(struct archive_write_disk *a, int fd, const char *name,
 	return (ARCHIVE_WARN);
 }
 
-#elif defined(EXT2_IOC_GETFLAGS) && defined(EXT2_IOC_SETFLAGS) && defined(HAVE_WORKING_EXT2_IOC_GETFLAGS)
+#elif (defined(FS_IOC_GETFLAGS) && defined(FS_IOC_SETFLAGS) && \
+       defined(HAVE_WORKING_FS_IOC_GETFLAGS)) || \
+      (defined(EXT2_IOC_GETFLAGS) && defined(EXT2_IOC_SETFLAGS) && \
+       defined(HAVE_WORKING_EXT2_IOC_GETFLAGS))
 /*
  * Linux uses ioctl() to read and write file flags.
  */
@@ -3585,7 +3607,7 @@ set_fflags_platform(struct archive_write_disk *a, int fd, const char *name,
 	int newflags, oldflags;
 	int sf_mask = 0;
 
-	if (set == 0  && clear == 0)
+	if (set == 0 && clear == 0)
 		return (ARCHIVE_OK);
 	/* Only regular files and dirs can have flags. */
 	if (!S_ISREG(mode) && !S_ISDIR(mode))
@@ -3606,12 +3628,19 @@ set_fflags_platform(struct archive_write_disk *a, int fd, const char *name,
 	 * defines. (?)  The code below degrades reasonably gracefully
 	 * if sf_mask is incomplete.
 	 */
-#ifdef EXT2_IMMUTABLE_FL
+#if defined(FS_IMMUTABLE_FL)
+	sf_mask |= FS_IMMUTABLE_FL;
+#elif defined(EXT2_IMMUTABLE_FL)
 	sf_mask |= EXT2_IMMUTABLE_FL;
 #endif
-#ifdef EXT2_APPEND_FL
+#if defined(FS_APPEND_FL)
+	sf_mask |= FS_APPEND_FL;
+#elif defined(EXT2_APPEND_FL)
 	sf_mask |= EXT2_APPEND_FL;
 #endif
+#if defined(FS_JOURNAL_DATA_FL)
+	sf_mask |= FS_JOURNAL_DATA_FL;
+#endif
 	/*
 	 * XXX As above, this would be way simpler if we didn't have
 	 * to read the current flags from disk. XXX
@@ -3619,12 +3648,24 @@ set_fflags_platform(struct archive_write_disk *a, int fd, const char *name,
 	ret = ARCHIVE_OK;
 
 	/* Read the current file flags. */
-	if (ioctl(myfd, EXT2_IOC_GETFLAGS, &oldflags) < 0)
+	if (ioctl(myfd,
+#ifdef FS_IOC_GETFLAGS
+	    FS_IOC_GETFLAGS,
+#else
+	    EXT2_IOC_GETFLAGS,
+#endif
+	    &oldflags) < 0)
 		goto fail;
 
 	/* Try setting the flags as given. */
 	newflags = (oldflags & ~clear) | set;
-	if (ioctl(myfd, EXT2_IOC_SETFLAGS, &newflags) >= 0)
+	if (ioctl(myfd,
+#ifdef FS_IOC_SETFLAGS
+	    FS_IOC_SETFLAGS,
+#else
+	    EXT2_IOC_SETFLAGS,
+#endif
+	    &newflags) >= 0)
 		goto cleanup;
 	if (errno != EPERM)
 		goto fail;
@@ -3633,7 +3674,13 @@ set_fflags_platform(struct archive_write_disk *a, int fd, const char *name,
 	newflags &= ~sf_mask;
 	oldflags &= sf_mask;
 	newflags |= oldflags;
-	if (ioctl(myfd, EXT2_IOC_SETFLAGS, &newflags) >= 0)
+	if (ioctl(myfd,
+#ifdef FS_IOC_SETFLAGS
+	    FS_IOC_SETFLAGS,
+#else
+	    EXT2_IOC_SETFLAGS,
+#endif
+	    &newflags) >= 0)
 		goto cleanup;
 
 	/* We couldn't set the flags, so report the failure. */