diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gssapi.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/gssapi.c b/src/gssapi.c index e5040c3..09fb2d5 100644 --- a/src/gssapi.c +++ b/src/gssapi.c @@ -827,6 +827,7 @@ static int ssh_gssapi_send_mic(ssh_session session){ gss_buffer_desc mic_buf = GSS_C_EMPTY_BUFFER; gss_buffer_desc mic_token_buf = GSS_C_EMPTY_BUFFER; ssh_buffer mic_buffer; + int rc; SSH_LOG(SSH_LOG_PACKET,"Sending SSH_MSG_USERAUTH_GSSAPI_MIC"); @@ -840,14 +841,31 @@ static int ssh_gssapi_send_mic(ssh_session session){ maj_stat = gss_get_mic(&min_stat,session->gssapi->ctx, GSS_C_QOP_DEFAULT, &mic_buf, &mic_token_buf); if (GSS_ERROR(maj_stat)){ + ssh_buffer_free(mic_buffer); ssh_gssapi_log_error(0, "generating MIC", maj_stat); return SSH_ERROR; } - buffer_add_u8(session->out_buffer, SSH2_MSG_USERAUTH_GSSAPI_MIC); - buffer_add_u32(session->out_buffer, htonl(mic_token_buf.length)); - buffer_add_data(session->out_buffer, mic_token_buf.value, mic_token_buf.length); + rc = buffer_add_u8(session->out_buffer, SSH2_MSG_USERAUTH_GSSAPI_MIC); + if (rc < 0) { + ssh_buffer_free(mic_buffer); + ssh_set_error_oom(session); + return SSH_ERROR; + } + + rc = buffer_add_u32(session->out_buffer, htonl(mic_token_buf.length)); + if (rc < 0) { + ssh_buffer_free(mic_buffer); + ssh_set_error_oom(session); + return SSH_ERROR; + } + + rc = buffer_add_data(session->out_buffer, mic_token_buf.value, mic_token_buf.length); ssh_buffer_free(mic_buffer); + if (rc < 0) { + ssh_set_error_oom(session); + return SSH_ERROR; + } return packet_send(session); } |