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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2017-09-26 15:02:41 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2017-09-26 15:04:07 +0200 |
| commit | 892ccaf6f9782d8d5159d45649adfa0f8c8d06a6 (patch) | |
| tree | d5cf5d89db2f1e2a7acb50f641cfc1d97eb7c126 | |
| parent | receive: mark function static (diff) | |
| download | wireguard-monolithic-historical-892ccaf6f9782d8d5159d45649adfa0f8c8d06a6.tar.xz wireguard-monolithic-historical-892ccaf6f9782d8d5159d45649adfa0f8c8d06a6.zip | |
tools: uapi: only make sure socket file is socket
Diffstat (limited to '')
| -rw-r--r-- | src/tools/ipc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/tools/ipc.c b/src/tools/ipc.c index d0b5a46..45278ec 100644 --- a/src/tools/ipc.c +++ b/src/tools/ipc.c @@ -129,11 +129,16 @@ out: static bool userspace_has_wireguard_interface(const char *interface) { - FILE *f = userspace_interface_file(interface); - if (!f) + struct stat sbuf; + char path[PATH_MAX] = { 0 }; + + if (strchr(interface, '/')) return false; - fclose(f); - return true; + if (snprintf(path, sizeof(path) - 1, SOCK_PATH "%s" SOCK_SUFFIX, interface) < 0) + return false; + if (stat(path, &sbuf) < 0) + return false; + return S_ISSOCK(sbuf.st_mode); } static int userspace_get_wireguard_interfaces(struct inflatable_buffer *buffer) |