diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/util/util_paths.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/util/util_paths.c b/lib/util/util_paths.c index c0ee5c32c30..dec91772d9e 100644 --- a/lib/util/util_paths.c +++ b/lib/util/util_paths.c @@ -69,21 +69,20 @@ static char *get_user_home_dir(TALLOC_CTX *mem_ctx) struct passwd pwd = {0}; struct passwd *pwdbuf = NULL; char buf[NSS_BUFLEN_PASSWD] = {0}; + size_t len; int rc; rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf); if (rc != 0 || pwdbuf == NULL ) { - int len_written; const char *szPath = getenv("HOME"); if (szPath == NULL) { return NULL; } - len_written = snprintf(buf, sizeof(buf), "%s", szPath); - if (len_written >= sizeof(buf) || len_written < 0) { - /* Output was truncated or an error. */ + len = strnlen(szPath, PATH_MAX); + if (len >= PATH_MAX) { return NULL; } - return talloc_strdup(mem_ctx, buf); + return talloc_strdup(mem_ctx, szPath); } return talloc_strdup(mem_ctx, pwd.pw_dir); |