diff options
| author | Thomas Haller <thaller@redhat.com> | 2022-03-28 09:40:22 +0200 |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2022-03-28 10:36:05 +0200 |
| commit | 6235815248314c0bd3deb485692881620a859cf9 (patch) | |
| tree | 8e190c85a7f942e1dbe5d72f2a7c1ce683d2d0bd | |
| parent | 8ae9cf4698b4fadae8cfbfbc801cf93d2385629d (diff) | |
libnm: handle NUL characters in nm_vpn_service_plugin_read_vpn_details() and fix test
We expect to read NUL terminated strings. Upon NUL, we should do
something. Treat it as a line break.
Fixes: 8ae9cf4698b4 ('Revert "libnm: buffer reads in nm_vpn_service_plugin_read_vpn_details()"')
| -rw-r--r-- | src/libnm-client-impl/nm-vpn-service-plugin.c | 6 | ||||
| -rw-r--r-- | src/libnm-client-impl/tests/test-libnm.c | 10 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/libnm-client-impl/nm-vpn-service-plugin.c b/src/libnm-client-impl/nm-vpn-service-plugin.c index 7b04c30799..3493d1db10 100644 --- a/src/libnm-client-impl/nm-vpn-service-plugin.c +++ b/src/libnm-client-impl/nm-vpn-service-plugin.c @@ -795,6 +795,12 @@ nm_vpn_service_plugin_read_vpn_details(int fd, GHashTable **out_data, GHashTable } break; } + + if (nr > 0 && c == '\0') { + /* '\0' are not supported. Replace with newline. */ + c = '\n'; + } + if (nr > 0 && c != '\n') { g_string_append_c(line, c); if (line->len > 512 * 1024) { diff --git a/src/libnm-client-impl/tests/test-libnm.c b/src/libnm-client-impl/tests/test-libnm.c index d3265e9fb4..f24828f57e 100644 --- a/src/libnm-client-impl/tests/test-libnm.c +++ b/src/libnm-client-impl/tests/test-libnm.c @@ -2550,8 +2550,14 @@ test_nm_vpn_service_plugin_read_vpn_details(void) "DONE\n" "\n" "", - READ_VPN_DETAIL_DATA({"some\nkey-2", "val2"}, {"some-key", "string"}, ), - READ_VPN_DETAIL_DATA(), ); + READ_VPN_DETAIL_DATA({"some\nkey-2", "val2"}, + {"some-key", "string"}, + {"key3\nkey-2", "val3"}, ), + READ_VPN_DETAIL_DATA({"some-secret", "val3"}, + {"key-inval", "in\xc1val"}, + {"ke\xc0yx", "inval"}, + {"keyx", ""}, + {"", "val3"}), ); } /*****************************************************************************/ |