diff options
Diffstat (limited to 'usr.sbin/ppp/auth.c')
-rw-r--r-- | usr.sbin/ppp/auth.c | 94 |
1 files changed, 92 insertions, 2 deletions
diff --git a/usr.sbin/ppp/auth.c b/usr.sbin/ppp/auth.c index d6a5f72..1bd6e2e 100644 --- a/usr.sbin/ppp/auth.c +++ b/usr.sbin/ppp/auth.c @@ -16,18 +16,69 @@ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * + * * $Id:$ - * + * * TODO: * o Imprement check against with registerd IP addresses. */ #include "fsm.h" +#include "lcpproto.h" #include "ipcp.h" +#include "vars.h" +#include "auth.h" extern FILE *OpenSecret(); extern void CloseSecret(); +LOCAL_AUTH_VALID +LocalAuthInit(void){ + + char *p; + + if ( gethostname( VarShortHost, sizeof(VarShortHost))) { + return(1); + } + if ( p = strchr( VarShortHost, '.' ) ) + *p = '\0'; + + return LocalAuthValidate( SECRETFILE, VarShortHost, "" ); + +} + +LOCAL_AUTH_VALID +LocalAuthValidate( char *fname, char *system, char *key) { + FILE *fp; + int n; + char *vector[20]; /* XXX */ + char buff[200]; /* XXX */ + LOCAL_AUTH_VALID rc; + + rc = NOT_FOUND; /* No system entry */ + fp = OpenSecret(fname); + if (fp == NULL) + return( rc ); + while (fgets(buff, sizeof(buff), fp)) { + if (buff[0] == '#') + continue; + buff[strlen(buff)-1] = 0; + bzero(vector, sizeof(vector)); + n = MakeArgs(buff, &vector); + if (n < 1) + continue; + if (strcmp(vector[0], system) == 0) { + if ( vector[1] != (char *) NULL && strcmp(vector[1], key) == 0) { + rc = VALID; /* Valid */ + } else { + rc = INVALID; /* Invalid */ + } + break; + } + } + CloseSecret(fp); + return( rc ); +} + int AuthValidate(fname, system, key) char *fname, *system, *key; @@ -110,3 +161,42 @@ int len, setaddr; CloseSecret(fp); return(NULL); /* Invalid */ } + +static void +AuthTimeout(authp) +struct authinfo *authp; +{ + struct pppTimer *tp; + + tp = &authp->authtimer; + StopTimer(tp); + if (--authp->retry > 0) { + StartTimer(tp); + (authp->ChallengeFunc)(++authp->id); + } +} + +void +StartAuthChallenge(authp) +struct authinfo *authp; +{ + struct pppTimer *tp; + + tp = &authp->authtimer; + StopTimer(tp); + tp->func = AuthTimeout; + tp->load = VarRetryTimeout * SECTICKS; + tp->state = TIMER_STOPPED; + tp->arg = (void *)authp; + StartTimer(tp); + authp->retry = 3; + authp->id = 1; + (authp->ChallengeFunc)(authp->id); +} + +void +StopAuthTimer(authp) +struct authinfo *authp; +{ + StopTimer(&authp->authtimer); +} |