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Pass the correct output options to the ccp output initialisation

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routine rather than passing it the first requested output option.

Ensure that options are freed correctly even if we don't reach
TLU.
This commit is contained in:
Brian Somers 2000-11-07 04:29:33 +00:00
parent d902baa4ba
commit e1e8b15e7a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=68423
2 changed files with 23 additions and 4 deletions
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23
usr.sbin/ppp/ccp.c
View File

@ -376,7 +376,20 @@ static void
CcpLayerFinish(struct fsm *fp)
{
/* We're now down */
struct ccp *ccp = fsm2ccp(fp);
struct ccp_opt *next;
log_Printf(LogCCP, "%s: LayerFinish.\n", fp->link->name);
/*
* Nuke options that may be left over from sending a REQ but never
* coming up.
*/
while (ccp->out.opt) {
next = ccp->out.opt->next;
free(ccp->out.opt);
ccp->out.opt = next;
}
}
/* Called when CCP has reached the OPEN state */
@ -385,6 +398,8 @@ CcpLayerUp(struct fsm *fp)
{
/* We're now up */
struct ccp *ccp = fsm2ccp(fp);
struct ccp_opt **o;
int f;
log_Printf(LogCCP, "%s: LayerUp.\n", fp->link->name);
@ -400,10 +415,14 @@ CcpLayerUp(struct fsm *fp)
}
}
o = &ccp->out.opt;
for (f = 0; f < ccp->out.algorithm; f++)
if (IsEnabled(ccp->cfg.neg[algorithm[f]->Neg]))
o = &(*o)->next;
if (ccp->out.state == NULL && ccp->out.algorithm >= 0 &&
ccp->out.algorithm < NALGORITHMS) {
ccp->out.state = (*algorithm[ccp->out.algorithm]->o.Init)
(&ccp->out.opt->val);
ccp->out.state = (*algorithm[ccp->out.algorithm]->o.Init)(&(*o)->val);
if (ccp->out.state == NULL) {
log_Printf(LogERROR, "%s: %s (out) initialisation failure\n",
fp->link->name, protoname(ccp->my_proto));

4
usr.sbin/ppp/ccp.h
View File

@ -82,13 +82,13 @@ struct ccp {
struct {
int algorithm; /* Algorithm in use */
void *state; /* Returned by implementations Init() */
struct lcp_opt opt; /* Set by implementations OptInit() */
struct lcp_opt opt; /* Set by implementation's OptInit() */
} in;
struct {
int algorithm; /* Algorithm in use */
void *state; /* Returned by implementations Init() */
struct ccp_opt *opt; /* Set by implementations OptInit() */
struct ccp_opt *opt; /* Set by implementation's OptInit() */
} out;
u_int32_t his_reject; /* Request codes rejected by peer */