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Proper strncpy null termination

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dec05eba
2024-05-09 16:17:38 +02:00
parent 447b5d0f0b
commit f1eb893493
3 changed files with 15 additions and 6 deletions
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4
kms/client/kms_client.c
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@@ -127,7 +127,7 @@ 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) {
static void string_copy(char *dst, const char *src, int len) {
int src_len = strlen(src);
int min_len = src_len;
if(len - 1 < min_len)
@@ -232,7 +232,7 @@ int gsr_kms_client_init(gsr_kms_client *self, const char *card_path) {
}
local_addr.sun_family = AF_UNIX;
strncpy_safe(local_addr.sun_path, self->initial_socket_path, sizeof(local_addr.sun_path));
string_copy(local_addr.sun_path, self->initial_socket_path, sizeof(local_addr.sun_path));
const mode_t prev_mask = umask(0000);
const int bind_res = bind(self->initial_socket_fd, (struct sockaddr*)&local_addr, sizeof(local_addr.sun_family) + strlen(local_addr.sun_path));

4
kms/server/kms_server.c
View File

@@ -379,7 +379,7 @@ static double clock_get_monotonic_seconds(void) {
return (double)ts.tv_sec + (double)ts.tv_nsec * 0.000000001;
}
static void strncpy_safe(char *dst, const char *src, int len) {
static void string_copy(char *dst, const char *src, int len) {
int src_len = strlen(src);
int min_len = src_len;
if(len - 1 < min_len)
@@ -444,7 +444,7 @@ int main(int argc, char **argv) {
while(clock_get_monotonic_seconds() - start_time < connect_timeout_sec) {
struct sockaddr_un remote_addr = {0};
remote_addr.sun_family = AF_UNIX;
strncpy_safe(remote_addr.sun_path, domain_socket_path, sizeof(remote_addr.sun_path));
string_copy(remote_addr.sun_path, domain_socket_path, sizeof(remote_addr.sun_path));
// TODO: Check if parent disconnected
if(connect(socket_fd, (struct sockaddr*)&remote_addr, sizeof(remote_addr.sun_family) + strlen(remote_addr.sun_path)) == -1) {
if(errno == ECONNREFUSED || errno == ENOENT) {