Add support for radius Class attribute. Possibly broken if chap is set to

[ppp.git] / pppd / plugins / radius / radius.c

diff --git a/pppd/plugins/radius/radius.c b/pppd/plugins/radius/radius.c
index 6d65b96e22b7e86e3a63be6afc310763e72b6de1..27243b15b7c155f55973c5968d44a237004e105d 100644 (file)
--- a/pppd/plugins/radius/radius.c
+++ b/pppd/plugins/radius/radius.c
@@ -24,7 +24,7 @@
 *
 ***********************************************************************/
 static char const RCSID[] =
-"$Id: radius.c,v 1.12 2002/07/24 20:13:12 dfs Exp $";
+"$Id: radius.c,v 1.15 2002/09/12 05:41:49 fcusack Exp $";
 
 #include "pppd.h"
 #include "chap.h"
@@ -40,6 +40,7 @@ static char const RCSID[] =
 #include <syslog.h>
 #include <sys/types.h>
 #include <sys/time.h>
+#include <string.h>
 
 #define BUF_LEN 1024
 
@@ -70,6 +71,7 @@ static void radius_choose_ip(u_int32_t *addrp);
 static int radius_init(char *msg);
 static int get_client_port(char *ifname);
 static int radius_allowed_address(u_int32_t addr);
+static void radius_acct_interim(void *);
 #ifdef MPPE
 static int radius_setmppekeys(VALUE_PAIR *vp, REQUEST_INFO *req_info,
                              chap_state *);
@@ -80,6 +82,10 @@ static int radius_setmppekeys2(VALUE_PAIR *vp, REQUEST_INFO *req_info);
 #define MAXSESSIONID 32
 #endif
 
+#ifndef MAXCLASSLEN
+#define MAXCLASSLEN 500
+#endif
+
 struct radius_state {
     int accounting_started;
     int initialized;
@@ -92,8 +98,11 @@ struct radius_state {
     char config_file[MAXPATHLEN];
     char session_id[MAXSESSIONID + 1];
     time_t start_time;
+    int acct_interim_interval;
     SERVER *authserver;                /* Authentication server to use */
     SERVER *acctserver;                /* Accounting server to use */
+    int class_len;
+    char class[MAXCLASSLEN];
 };
 
 void (*radius_attributes_hook)(VALUE_PAIR *) = NULL;
@@ -511,9 +520,19 @@ radius_setparams(chap_state *cstate, VALUE_PAIR *vp, char *msg,
                break;
            case PW_OCTETS_DIRECTION:
                /* Session traffic limit direction check */
-               maxoctets_dir = ( vp->lvalue > 4 ) 0 : vp->lvalue ;
+               maxoctets_dir = ( vp->lvalue > 4 ) ? 0 : vp->lvalue ;
+               break;
+#endif
+           case PW_ACCT_INTERIM_INTERVAL:
+               /* Send accounting updates every few seconds */
+               rstate.acct_interim_interval = vp->lvalue;
+               /* RFC says it MUST NOT be less than 60 seconds */
+               /* We use "0" to signify not sending updates */
+               if (rstate.acct_interim_interval &&
+                   rstate.acct_interim_interval < 60) {
+                   rstate.acct_interim_interval = 60;
+               }
                break;
-#endif         
            case PW_FRAMED_IP_ADDRESS:
                /* seting up remote IP addresses */
                remote = vp->lvalue;
@@ -532,7 +551,16 @@ radius_setparams(chap_state *cstate, VALUE_PAIR *vp, char *msg,
                    rstate.ip_addr = remote;
                }
                break;
+           case PW_CLASS:
+               /* Save Class attribute to pass it in accounting request */
+               if (vp->lvalue <= MAXCLASSLEN) {
+                   rstate.class_len=vp->lvalue;
+                   memcpy(rstate.class, vp->strvalue, rstate.class_len);
+               } /* else too big for our buffer - ignore it */
+               break;
            }
+
+
 #ifdef CHAPMS
        } else if (vp->vendorcode == VENDOR_MICROSOFT) {
            switch (vp->attribute) {
@@ -744,6 +772,10 @@ radius_acct_start(void)
     rc_avpair_add(&send, PW_USER_NAME,
                   rstate.user, 0, VENDOR_NONE);
 
+    if (rstate.class_len > 0)
+       rc_avpair_add(&send, PW_CLASS,
+                     rstate.class, rstate.class_len, VENDOR_NONE);
+
     av_type = PW_STATUS_START;
     rc_avpair_add(&send, PW_ACCT_STATUS_TYPE, &av_type, 0, VENDOR_NONE);
 
@@ -784,6 +816,10 @@ radius_acct_start(void)
                "Accounting START failed for %s", rstate.user);
     } else {
        rstate.accounting_started = 1;
+       /* Kick off periodic accounting reports */
+       if (rstate.acct_interim_interval) {
+           TIMEOUT(radius_acct_interim, NULL, rstate.acct_interim_interval);
+       }
     }
 }
 
@@ -886,7 +922,7 @@ radius_acct_stop(void)
 *  Sends an interim accounting message to the RADIUS server
 ***********************************************************************/
 static void
-radius_acct_interim(void)
+radius_acct_interim(void *ignored)
 {
     UINT4 av_type;
     VALUE_PAIR *send = NULL;
@@ -966,6 +1002,9 @@ radius_acct_interim(void)
                "Interim accounting failed for %s", rstate.user);
     }
     rc_avpair_free(send);
+
+    /* Schedule another one */
+    TIMEOUT(radius_acct_interim, NULL, rstate.acct_interim_interval);
 }
 
 /**********************************************************************