diff options
Diffstat (limited to 'proto/ospf/packet.c')
| -rw-r--r-- | proto/ospf/packet.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/proto/ospf/packet.c b/proto/ospf/packet.c index 888fa66..9d5a924 100644 --- a/proto/ospf/packet.c +++ b/proto/ospf/packet.c @@ -48,15 +48,20 @@ ospf_pkt_finalize(struct ospf_iface *ifa, struct ospf_packet *pkt) char password[OSPF_AUTH_CRYPT_SIZE]; pkt->autype = htons(ifa->autype); - bzero(&pkt->u, sizeof(union ospf_auth)); switch(ifa->autype) { case OSPF_AUTH_SIMPLE: - password_cpy(pkt->u.password, passwd->password, 8); + bzero(&pkt->u, sizeof(union ospf_auth)); + if (!passwd) + { + log( L_ERR "No suitable password found for authentication" ); + return; + } + password_cpy(pkt->u.password, passwd->password, sizeof(union ospf_auth)); case OSPF_AUTH_NONE: - pkt->checksum = ipsum_calculate(pkt, sizeof(struct ospf_packet) - 8, - (pkt + 1), + pkt->checksum = ipsum_calculate(pkt, sizeof(struct ospf_packet) - + sizeof(union ospf_auth), (pkt + 1), ntohs(pkt->length) - sizeof(struct ospf_packet), NULL); break; @@ -127,15 +132,17 @@ ospf_pkt_checkauth(struct ospf_neighbor *n, struct ospf_iface *ifa, struct ospf_ OSPF_TRACE(D_PACKETS, "OSPF_auth: no password found"); return 0; } + password_cpy(password, pass->password, sizeof(union ospf_auth)); - if (memcmp(pkt->u.password,pass, 8)) + if (memcmp(pkt->u.password, password, sizeof(union ospf_auth))) { - OSPF_TRACE(D_PACKETS, "OSPF_auth: different passwords"); + char ppass[sizeof(union ospf_auth) + 1]; + bzero(ppass, (sizeof(union ospf_auth) + 1)); + memcpy(ppass, pkt->u.password, sizeof(union ospf_auth)); + OSPF_TRACE(D_PACKETS, "OSPF_auth: different passwords (%s)", ppass); return 0; } - - else - return 1; + return 1; break; case OSPF_AUTH_CRYPT: if (pkt->u.md5.len != OSPF_AUTH_CRYPT_SIZE) |