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[l2tpns.git] / radius.c
diff --git a/radius.c b/radius.c
index e765b1b..1aa9d62 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.36 2005/06/30 14:31:26 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.39 2005/08/10 11:25:56 bodea Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -13,7 +13,7 @@ char const *cvs_id_radius = "$Id: radius.c,v 1.36 2005/06/30 14:31:26 bodea Exp
 #include <ctype.h>
 #include <netinet/in.h>
 #include <errno.h>
-#include "md5.h"
+#include <openssl/md5.h>
 #include "constants.h"
 #include "l2tpns.h"
 #include "plugin.h"
@@ -182,7 +182,7 @@ void radiussend(uint16_t r, uint8_t state)
        {
                *p = 1;                 // user name
                p[1] = strlen(session[s].user) + 2;
-               strcpy(p + 2, session[s].user);
+               strcpy((char *) p + 2, session[s].user);
                p += p[1];
        }
        if (state == RADIUSAUTH)
@@ -212,13 +212,13 @@ void radiussend(uint16_t r, uint8_t state)
                                while (p < pl)
                                {
                                        MD5_CTX ctx;
-                                       MD5Init(&ctx);
-                                       MD5Update(&ctx, config->radiussecret, strlen(config->radiussecret));
+                                       MD5_Init(&ctx);
+                                       MD5_Update(&ctx, config->radiussecret, strlen(config->radiussecret));
                                        if (p)
-                                               MD5Update(&ctx, pass + p - 16, 16);
+                                               MD5_Update(&ctx, pass + p - 16, 16);
                                        else
-                                               MD5Update(&ctx, radius[r].auth, 16);
-                                       MD5Final(hash, &ctx);
+                                               MD5_Update(&ctx, radius[r].auth, 16);
+                                       MD5_Final(hash, &ctx);
                                        do
                                        {
                                                pass[p] ^= hash[p & 15];
@@ -244,7 +244,7 @@ void radiussend(uint16_t r, uint8_t state)
                {
                        *p = 44;        // session ID
                        p[1] = 18;
-                       sprintf(p + 2, "%08X%08X", session[s].unique_id, session[s].opened);
+                       sprintf((char *) p + 2, "%08X%08X", session[s].unique_id, session[s].opened);
                        p += p[1];
                        if (state == RADIUSSTART)
                        {                       // start
@@ -265,13 +265,11 @@ void radiussend(uint16_t r, uint8_t state)
                                p[1] = 6;
                                *(uint32_t *) (p + 2) = htonl(session[s].cout);
                                p += p[1];
-                               if (state == RADIUSSTOP)
-                               {
-                                       *p = 46;        // session time
-                                       p[1] = 6;
-                                       *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
-                                       p += p[1];
-                               }
+
+                               *p = 46;        // session time
+                               p[1] = 6;
+                               *(uint32_t *) (p + 2) = htonl(time(NULL) - session[s].opened);
+                               p += p[1];
 
                                *p = 47;        // input packets
                                p[1] = 6;
@@ -299,7 +297,7 @@ void radiussend(uint16_t r, uint8_t state)
                                *p = 26;                                // vendor-specific
                                *(uint32_t *) (p + 2) = htonl(9);       // Cisco
                                p[6] = 1;                               // Cisco-AVPair
-                               p[7] = 2 + sprintf(p + 8, "intercept=%s:%d",
+                               p[7] = 2 + sprintf((char *) p + 8, "intercept=%s:%d",
                                        fmtaddr(session[s].snoop_ip, 0), session[s].snoop_port);
 
                                p[1] = p[7] + 6;
@@ -325,21 +323,14 @@ void radiussend(uint16_t r, uint8_t state)
        {
                *p = 30;                // called
                p[1] = strlen(session[s].called) + 2;
-               strcpy(p + 2, session[s].called);
-               p += p[1];
-       }
-       if (*radius[r].calling)
-       {
-               *p = 31;                // calling
-               p[1] = strlen(radius[r].calling) + 2;
-               strcpy(p + 2, radius[r].calling);
+               strcpy((char *) p + 2, session[s].called);
                p += p[1];
        }
        else if (*session[s].calling)
        {
                *p = 31;                // calling
                p[1] = strlen(session[s].calling) + 2;
-               strcpy(p + 2, session[s].calling);
+               strcpy((char *) p + 2, session[s].calling);
                p += p[1];
        }
        // NAS-IP-Address
@@ -353,15 +344,15 @@ void radiussend(uint16_t r, uint8_t state)
        if (state != RADIUSAUTH)
        {
            // Build auth for accounting packet
-           char z[16] = {0};
-           char hash[16] = {0};
+           uint8_t z[16] = {0};
+           uint8_t hash[16] = {0};
            MD5_CTX ctx;
-           MD5Init(&ctx);
-           MD5Update(&ctx, b, 4);
-           MD5Update(&ctx, z, 16);
-           MD5Update(&ctx, b + 20, (p - b) - 20);
-           MD5Update(&ctx, config->radiussecret, strlen(config->radiussecret));
-           MD5Final(hash, &ctx);
+           MD5_Init(&ctx);
+           MD5_Update(&ctx, b, 4);
+           MD5_Update(&ctx, z, 16);
+           MD5_Update(&ctx, b + 20, (p - b) - 20);
+           MD5_Update(&ctx, config->radiussecret, strlen(config->radiussecret));
+           MD5_Final(hash, &ctx);
            memcpy(b + 4, hash, 16);
            memcpy(radius[r].auth, hash, 16);
        }
@@ -381,9 +372,9 @@ void radiussend(uint16_t r, uint8_t state)
 
 static void handle_avpair(sessionidt s, uint8_t *avp, int len)
 {
-       char *key = avp;
-       char *value = memchr(avp, '=', len);
-       char tmp[2048] = "";
+       uint8_t *key = avp;
+       uint8_t *value = memchr(avp, '=', len);
+       uint8_t tmp[2048] = "";
 
        if (value)
        {
@@ -415,7 +406,7 @@ static void handle_avpair(sessionidt s, uint8_t *avp, int len)
        
        // Run hooks
        {
-               struct param_radius_response p = { &tunnel[session[s].tunnel], &session[s], key, value };
+               struct param_radius_response p = { &tunnel[session[s].tunnel], &session[s], (char *) key, (char *) value };
                run_plugins(PLUGIN_RADIUS_RESPONSE, &p);
        }
 }
@@ -463,12 +454,12 @@ void processrad(uint8_t *buf, int len, char socket_index)
                return;
        }
        t = session[s].tunnel;
-       MD5Init(&ctx);
-       MD5Update(&ctx, buf, 4);
-       MD5Update(&ctx, radius[r].auth, 16);
-       MD5Update(&ctx, buf + 20, len - 20);
-       MD5Update(&ctx, config->radiussecret, strlen(config->radiussecret));
-       MD5Final(hash, &ctx);
+       MD5_Init(&ctx);
+       MD5_Update(&ctx, buf, 4);
+       MD5_Update(&ctx, radius[r].auth, 16);
+       MD5_Update(&ctx, buf + 20, len - 20);
+       MD5_Update(&ctx, config->radiussecret, strlen(config->radiussecret));
+       MD5_Final(hash, &ctx);
        do {
                if (memcmp(hash, buf + 4, 16))
                {
@@ -502,7 +493,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                        if (radius[r].chap)
                        {
                                // CHAP
-                               uint8_t *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPCHAP);
+                               uint8_t *p = makeppp(b, sizeof(b), 0, 0, s, t, PPPCHAP);
                                if (!p) return; // Abort!
 
                                *p = (r_code == AccessAccept) ? 3 : 4;     // ack/nak
@@ -516,7 +507,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                        else
                        {
                                // PAP
-                               uint8_t *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPPAP);
+                               uint8_t *p = makeppp(b, sizeof(b), 0, 0, s, t, PPPPAP);
                                if (!p) return;         // Abort!
 
                                // ack/nak
@@ -617,7 +608,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                                        else if (*p == 11)
                                        {
                                                // Filter-Id
-                                               char *filter = p + 2;
+                                               char *filter = (char *) p + 2;
                                                int l = p[1] - 2;
                                                char *suffix;
                                                int f;
@@ -680,10 +671,10 @@ void processrad(uint8_t *buf, int len, char socket_index)
                                                int prefixlen;
                                                uint8_t *n = p + 2;
                                                uint8_t *e = p + p[1];
-                                               uint8_t *m = strchr(n, '/');
+                                               uint8_t *m = memchr(n, '/', e - p);
 
                                                *m++ = 0;
-                                               inet_pton(AF_INET6, n, &r6);
+                                               inet_pton(AF_INET6, (char *) n, &r6);
 
                                                prefixlen = 0;
                                                while (m < e && isdigit(*m)) {
@@ -710,18 +701,18 @@ void processrad(uint8_t *buf, int len, char socket_index)
 
                        if (!session[s].dns1 && config->default_dns1)
                        {
-                               session[s].dns1 = htonl(config->default_dns1);
+                               session[s].dns1 = ntohl(config->default_dns1);
                                LOG(3, s, t, "   Sending dns1 = %s\n", fmtaddr(config->default_dns1, 0));
                        }
                        if (!session[s].dns2 && config->default_dns2)
                        {
-                               session[s].dns2 = htonl(config->default_dns2);
+                               session[s].dns2 = ntohl(config->default_dns2);
                                LOG(3, s, t, "   Sending dns2 = %s\n", fmtaddr(config->default_dns2, 0));
                        }
 
                        // Valid Session, set it up
                        session[s].unique_id = 0;
-                       sessionsetup(t, s);
+                       sessionsetup(s, t);
                }
                else
                {
@@ -748,22 +739,13 @@ void radiusretry(uint16_t r)
        switch (radius[r].state)
        {
                case RADIUSCHAP:        // sending CHAP down PPP
-                       sendchap(t, s);
-                       break;
-               case RADIUSIPCP:
-                       sendipcp(t, s); // send IPCP
+                       sendchap(s, t);
                        break;
                case RADIUSAUTH:        // sending auth to RADIUS server
-                       radiussend(r, RADIUSAUTH);
-                       break;
                case RADIUSSTART:       // sending start accounting to RADIUS server
-                       radiussend(r, RADIUSSTART);
-                       break;
                case RADIUSSTOP:        // sending stop accounting to RADIUS server
-                       radiussend(r, RADIUSSTOP);
-                       break;
                case RADIUSINTERIM:     // sending interim accounting to RADIUS server
-                       radiussend(r, RADIUSINTERIM);
+                       radiussend(r, radius[r].state);
                        break;
                default:
                case RADIUSNULL:        // Not in use
@@ -832,10 +814,10 @@ void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen)
        i = strlen(config->radiussecret);
        if (i > 16) i = 16;
 
-       MD5Init(&ctx);
-       MD5Update(&ctx, buf, len);
-       MD5Update(&ctx, buf, config->radiussecret, i);
-       MD5Final(hash, &ctx);
+       MD5_Init(&ctx);
+       MD5_Update(&ctx, buf, len);
+       MD5_Update(&ctx, config->radiussecret, i);
+       MD5_Final(hash, &ctx);
        if (memcmp(hash, vector, 16) != 0)
        {
                LOG(1, 0, 0, "Incorrect vector in DAE request (wrong secret in radius config?)\n");
@@ -903,7 +885,7 @@ void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen)
                        }
 
                        len = p - packet;
-                       i = find_filter(packet, len);
+                       i = find_filter((char *) packet, len);
                        if (i < 0 || !*ip_filters[i].name)
                        {
                                error = 404;
@@ -1063,10 +1045,10 @@ void processdae(uint8_t *buf, int len, struct sockaddr_in *addr, int alen)
        i = strlen(config->radiussecret);
        if (i > 16) i = 16;
 
-       MD5Init(&ctx);
-       MD5Update(&ctx, buf, len);
-       MD5Update(&ctx, config->radiussecret, i);
-       MD5Final(hash, &ctx);
+       MD5_Init(&ctx);
+       MD5_Update(&ctx, buf, len);
+       MD5_Update(&ctx, config->radiussecret, i);
+       MD5_Final(hash, &ctx);
        memcpy(buf + 4, hash, 16);
 
        LOG(3, 0, 0, "Sending DAE %s, id=%d\n", radius_code(r_code), r_id);
for cloning use: "git clone git://git.sameswireless.fr/l2tpns.git" ; For add to your sources.list: "deb http://package.sameswifi.fr/ jessie main"