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| author | andre <andre@FreeBSD.org> | 2006-06-22 15:07:45 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2006-06-22 15:07:45 +0000 |
| commit | b23e67a0d594e595d95ae693e6c9c30236893e2e (patch) | |
| tree | 3b407e2d76d2cc8f13fc408ea99e1df6fb23346a /sys/netinet | |
| parent | 8d75058136bca66e08edfd0336591819bafa07d1 (diff) | |
| download | FreeBSD-src-b23e67a0d594e595d95ae693e6c9c30236893e2e.zip FreeBSD-src-b23e67a0d594e595d95ae693e6c9c30236893e2e.tar.gz | |
Move the syncookie MD5 context from globals to the stack to make it MP safe.
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/tcp_syncache.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c index 12610ef..b2d3f46 100644 --- a/sys/netinet/tcp_syncache.c +++ b/sys/netinet/tcp_syncache.c @@ -1289,8 +1289,6 @@ static struct { static int tcp_msstab[] = { 0, 536, 1460, 8960 }; -static MD5_CTX syn_ctx; - #define MD5Add(v) MD5Update(&syn_ctx, (u_char *)&v, sizeof(v)) struct md5_add { @@ -1329,6 +1327,7 @@ syncookie_generate(struct syncache *sc, u_int32_t *flowid) u_int32_t data; int idx, i; struct md5_add add; + MD5_CTX syn_ctx; idx = ((ticks << SYNCOOKIE_TIMESHIFT) / hz) & SYNCOOKIE_WNDMASK; SYNCOOKIE_RLOCK(tcp_secret[idx]); @@ -1380,6 +1379,7 @@ syncookie_lookup(struct in_conninfo *inc, struct tcphdr *th, struct socket *so) u_int32_t data; int wnd, idx; struct md5_add add; + MD5_CTX syn_ctx; data = (th->th_ack - 1) ^ (th->th_seq - 1); /* remove ISS */ idx = data & SYNCOOKIE_WNDMASK; |
