Fix: ini parser: truncation of value name

[lttng-tools.git] / src / common / ini-config / ini.cpp

diff --git a/src/common/ini-config/ini.cpp b/src/common/ini-config/ini.cpp
index cca38f8ca7c9a693c65bfade4cbd0e60ee429dba..c17a8c0e8684b8d887b799abced290390775e989 100644 (file)
--- a/src/common/ini-config/ini.cpp
+++ b/src/common/ini-config/ini.cpp
@@ -178,6 +178,10 @@ int ini_parse_file(FILE *file, ini_entry_handler handler, void *user)
                                 * Valid name[=:]value pair found, call
                                 * handler
                                 */
+                               if (strlen(name) >= sizeof(prev_name)) {
+                                       /* Truncation occurs, report an error. */
+                                       error = lineno;
+                               }
                                strncpy0(prev_name, name, sizeof(prev_name));
                                if (handler(user, section, name, value) < 0 && !error) {
                                        error = lineno;