static int unix_sockaddr_init(struct sockaddr_un *sa, const char *path,
struct unix_sockaddr_context *ctx)
{
size_t size = strlen(path) + 1;
ctx->orig_dir = NULL;
if (size > sizeof(sa->sun_path)) {
const char *slash = strrchr(path, '/');
const char *dir;
if (!slash) {
errno = ENAMETOOLONG;
return -1;
}
dir = path;
path = slash + 1;
size = strlen(path) + 1;
if (size > sizeof(sa->sun_path)) {
errno = ENAMETOOLONG;
return -1;
}
char *cwd = getcwd_alloc();
if (!cwd) {
return -1;
}
ctx->orig_dir = cwd;
if (chdir_len(dir, slash - dir) < 0) {
free(cwd);
return -1;
}
}
memset(sa, 0, sizeof(*sa));
sa->sun_family = AF_UNIX;
memcpy(sa->sun_path, path, size);
return 0;
}
static int unix_sockaddr_init(struct sockaddr_un *sa, const char *path,
struct unix_sockaddr_context *ctx)
{
int size = strlen(path) + 1;
ctx->orig_dir[0] = '\0';
if (size > sizeof(sa->sun_path)) {
const char *slash = find_last_dir_sep(path);
const char *dir;
if (!slash) {
errno = ENAMETOOLONG;
return -1;
}
dir = path;
path = slash + 1;
size = strlen(path) + 1;
if (size > sizeof(sa->sun_path)) {
errno = ENAMETOOLONG;
return -1;
}
if (!getcwd(ctx->orig_dir, sizeof(ctx->orig_dir))) {
errno = ENAMETOOLONG;
return -1;
}
if (chdir_len(dir, slash - dir) < 0)
return -1;
}
memset(sa, 0, sizeof(*sa));
sa->sun_family = AF_UNIX;
memcpy(sa->sun_path, path, size);
return 0;
}
