diff options
Diffstat (limited to 'hw/9pfs/9p-local.c')
| -rw-r--r-- | hw/9pfs/9p-local.c | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c index 68e9265..ddc5038 100644 --- a/hw/9pfs/9p-local.c +++ b/hw/9pfs/9p-local.c @@ -53,13 +53,37 @@ int local_open_nofollow(FsContext *fs_ctx, const char *path, int flags, mode_t mode) { LocalData *data = fs_ctx->private; - - /* All paths are relative to the path data->mountfd points to */ - while (*path == '/') { - path++; + int fd = data->mountfd; + + while (*path && fd != -1) { + const char *c; + int next_fd; + char *head; + + /* Only relative paths without consecutive slashes */ + assert(*path != '/'); + + head = g_strdup(path); + c = strchrnul(path, '/'); + if (*c) { + /* Intermediate path element */ + head[c - path] = 0; + path = c + 1; + next_fd = openat_dir(fd, head); + } else { + /* Rightmost path element */ + next_fd = openat_file(fd, head, flags, mode); + path = c; + } + g_free(head); + if (fd != data->mountfd) { + close_preserve_errno(fd); + } + fd = next_fd; } - return relative_openat_nofollow(data->mountfd, path, flags, mode); + assert(fd != data->mountfd); + return fd; } int local_opendir_nofollow(FsContext *fs_ctx, const char *path) |