diff options
Diffstat (limited to 'src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c')
| -rw-r--r-- | src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c b/src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c index ff3ddeb6f..71dcd28f2 100644 --- a/src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c +++ b/src/libstrongswan/credentials/ietf_attributes/ietf_attributes.c @@ -159,7 +159,7 @@ static char* get_string(private_ietf_attributes_t *this) enumerator = this->list->create_enumerator(this->list); while (enumerator->enumerate(enumerator, &attr)) { - int written = 0; + int written; if (first) { @@ -168,6 +168,10 @@ static char* get_string(private_ietf_attributes_t *this) else { written = snprintf(pos, len, ", "); + if (written < 0 || written >= len) + { + break; + } pos += written; len -= written; } @@ -194,8 +198,13 @@ static char* get_string(private_ietf_attributes_t *this) break; } default: + written = 0; break; } + if (written < 0 || written >= len) + { + break; + } pos += written; len -= written; } |