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fix: close remaining PR 208 security gaps
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TapTap
2026-08-09 11:52:15 +02:00
parent cc143316b2
commit d64666d456
14 changed files with 276 additions and 106 deletions
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src/shared/metadata.c
+14
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@@ -187,3 +187,17 @@ void file_restore_metadata(const char* path, FileMetadata* metadata) {
if (utimensat(AT_FDCWD, path, times, 0) != 0)
log_message(LOG_LEVEL_WARNING, "Failed to set timestamps on %s: %s", path, strerror(errno));
}
void file_restore_metadata_fd(int fd, FileMetadata* metadata) {
if (fd < 0 || metadata == NULL)
return;
if (fchmod(fd, metadata->mode & 07777 & ~(S_ISUID | S_ISGID)) != 0)
log_message(LOG_LEVEL_WARNING, "Failed to fchmod received file: %s", strerror(errno));
if (fchown(fd, metadata->uid, metadata->gid) != 0 && errno != EPERM)
log_message(LOG_LEVEL_WARNING, "Failed to fchown received file: %s", strerror(errno));
struct timespec times[2] = {{.tv_sec = metadata->mtime_sec, .tv_nsec = metadata->mtime_nsec},
{.tv_sec = metadata->mtime_sec, .tv_nsec = metadata->mtime_nsec}};
if (futimens(fd, times) != 0)
log_message(LOG_LEVEL_WARNING, "Failed to restore received file timestamps: %s",
strerror(errno));
}