From 6cff1a49d2b124266f8da41065c471d80cdd32e2 Mon Sep 17 00:00:00 2001 From: dec05eba Date: Wed, 17 May 2023 18:49:16 +0200 Subject: Fix all warnings --- kms/client/kms_client.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'kms/client') diff --git a/kms/client/kms_client.c b/kms/client/kms_client.c index bdc556b..587dda3 100644 --- a/kms/client/kms_client.c +++ b/kms/client/kms_client.c @@ -96,6 +96,15 @@ static bool create_socket_path(char *output_path, size_t output_path_size) { return true; } +static void strncpy_safe(char *dst, const char *src, int len) { + int src_len = strlen(src); + int min_len = src_len; + if(len - 1 < min_len) + min_len = len - 1; + memcpy(dst, src, min_len); + dst[min_len] = '\0'; +} + int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) { self->kms_server_pid = -1; self->socket_fd = -1; @@ -152,7 +161,7 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) { } local_addr.sun_family = AF_UNIX; - strncpy(local_addr.sun_path, self->socket_path, sizeof(local_addr.sun_path)); + strncpy_safe(local_addr.sun_path, self->socket_path, sizeof(local_addr.sun_path)); if(bind(self->socket_fd, (struct sockaddr*)&local_addr, sizeof(local_addr.sun_family) + strlen(local_addr.sun_path)) == -1) { fprintf(stderr, "gsr error: gsr_kms_client_init: failed to bind socket, error: %s\n", strerror(errno)); goto err; -- cgit v1.2.3