diff options
Diffstat (limited to 'lib/libalias/alias.c')
| -rw-r--r-- | lib/libalias/alias.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/lib/libalias/alias.c b/lib/libalias/alias.c index fd35221..bf5fd47 100644 --- a/lib/libalias/alias.c +++ b/lib/libalias/alias.c @@ -97,6 +97,8 @@ #include <netinet/tcp.h> #include <netinet/udp.h> +#include <stdio.h> + #include "alias_local.h" #include "alias.h" @@ -261,7 +263,7 @@ IcmpAliasIn1(struct ip *pip) /* Adjust ICMP checksum */ accumulate = ic->icmp_id; accumulate -= original_id; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* Put original sequence number back in */ ic->icmp_id = original_id; @@ -340,7 +342,7 @@ IcmpAliasIn2(struct ip *pip) accumulate -= *sptr; accumulate += ud->uh_sport; accumulate -= original_port; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* Un-alias address in IP header */ DifferentialChecksum(&pip->ip_sum, @@ -373,7 +375,7 @@ fragment contained in ICMP data section */ accumulate -= *sptr; accumulate += ic2->icmp_id; accumulate -= original_id; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* Un-alias address in IP header */ DifferentialChecksum(&pip->ip_sum, @@ -454,7 +456,7 @@ IcmpAliasOut1(struct ip *pip) /* Since data field is being modified, adjust ICMP checksum */ accumulate = ic->icmp_id; accumulate -= alias_id; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* Alias sequence number */ ic->icmp_id = alias_id; @@ -534,7 +536,7 @@ IcmpAliasOut2(struct ip *pip) accumulate -= *sptr; accumulate += ud->uh_dport; accumulate -= alias_port; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* * Alias address in IP header if it comes from the host @@ -572,7 +574,7 @@ fragment contained in ICMP data section */ accumulate -= *sptr; accumulate += ic2->icmp_id; accumulate -= alias_id; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* * Alias address in IP header if it comes from the host @@ -756,7 +758,7 @@ UdpAliasIn(struct ip *pip) sptr = (u_short *) &original_address; accumulate -= *sptr++; accumulate -= *sptr; - ADJUST_CHECKSUM(accumulate, ud->uh_sum) + ADJUST_CHECKSUM(accumulate, ud->uh_sum); } /* Restore original IP address */ @@ -827,7 +829,7 @@ UdpAliasOut(struct ip *pip) sptr = (u_short *) &alias_address; accumulate -= *sptr++; accumulate -= *sptr; - ADJUST_CHECKSUM(accumulate, ud->uh_sum) + ADJUST_CHECKSUM(accumulate, ud->uh_sum); } /* Put alias port in UDP header */ @@ -1084,7 +1086,7 @@ TcpAliasOut(struct ip *pip, int maxpacketsize) } } - ADJUST_CHECKSUM(accumulate, tc->th_sum) + ADJUST_CHECKSUM(accumulate, tc->th_sum); /* Change source address */ sptr = (u_short *) &(pip->ip_src); @@ -1095,7 +1097,7 @@ TcpAliasOut(struct ip *pip, int maxpacketsize) accumulate -= *sptr++; accumulate -= *sptr; - ADJUST_CHECKSUM(accumulate, pip->ip_sum) + ADJUST_CHECKSUM(accumulate, pip->ip_sum); return(PKT_ALIAS_OK); } @@ -1475,11 +1477,11 @@ PacketUnaliasOut(char *ptr, /* valid IP packet */ if (pip->ip_p == IPPROTO_UDP) { accumulate += ud->uh_sport; accumulate -= original_port; - ADJUST_CHECKSUM(accumulate, ud->uh_sum) + ADJUST_CHECKSUM(accumulate, ud->uh_sum); } else { accumulate += tc->th_sport; accumulate -= original_port; - ADJUST_CHECKSUM(accumulate, tc->th_sum) + ADJUST_CHECKSUM(accumulate, tc->th_sum); } /* Adjust IP checksum */ @@ -1516,7 +1518,7 @@ PacketUnaliasOut(char *ptr, /* valid IP packet */ accumulate -= *sptr; accumulate += ic->icmp_id; accumulate -= original_id; - ADJUST_CHECKSUM(accumulate, ic->icmp_cksum) + ADJUST_CHECKSUM(accumulate, ic->icmp_cksum); /* Adjust IP checksum */ DifferentialChecksum(&pip->ip_sum, |
