d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Move the syncookie MD5 context from globals to the stack to make it MP safe.

Browse Source
This commit is contained in:
andre 2006-06-22 15:07:45 +00:00
parent 8d75058136
commit b23e67a0d5
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/netinet/tcp_syncache.c
View File

@ -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;