X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/e6bb332ba271c0cbedffa131333710e0d95ca06d..cb031e775d57da45299c8dfdfabe7240705338e7:/radius.c?ds=inline diff --git a/radius.c b/radius.c index fdb54a1..3dabc34 100644 --- a/radius.c +++ b/radius.c @@ -1,6 +1,6 @@ // L2TPNS Radius Stuff -char const *cvs_id_radius = "$Id: radius.c,v 1.51 2006/06/11 12:46:18 bodea Exp $"; +char const *cvs_id_radius = "$Id: radius.c,v 1.54 2006/08/02 13:35:39 bodea Exp $"; #include #include @@ -45,6 +45,25 @@ static void calc_auth(const void *buf, size_t len, const uint8_t *in, uint8_t *o void initrad(void) { int i; + uint16_t port = 0; + uint16_t min = config->radius_bind_min; + uint16_t max = config->radius_bind_max; + int inc = 1; + struct sockaddr_in addr; + + if (min) + { + port = min; + if (!max) + max = ~0 - 1; + } + else if (max) /* no minimum specified, bind from max down */ + { + port = max; + min = 1; + inc = -1; + } + LOG(3, 0, 0, "Creating %d sockets for RADIUS queries\n", RADIUS_FDS); radfds = calloc(sizeof(int), RADIUS_FDS); for (i = 0; i < RADIUS_FDS; i++) @@ -53,6 +72,27 @@ void initrad(void) radfds[i] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); flags = fcntl(radfds[i], F_GETFL, 0); fcntl(radfds[i], F_SETFL, flags | O_NONBLOCK); + + if (port) + { + int b; + + memset(&addr, 0, sizeof(addr)); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = INADDR_ANY; + + do { + addr.sin_port = htons(port); + if ((b = bind(radfds[i], (struct sockaddr *) &addr, sizeof(addr))) < 0) + { + if ((port += inc) < min || port > max) + { + LOG(0, 0, 0, "Can't bind RADIUS socket in range %u-%u\n", min, max); + exit(1); + } + } + } while (b < 0); + } } } @@ -615,19 +655,6 @@ void processrad(uint8_t *buf, int len, char socket_index) LOG(3, s, session[s].tunnel, " Radius reply contains primary DNS address %s\n", fmtaddr(htonl(session[s].dns1), 0)); } - else if (*p == 27) - { - // Session timeout - if (p[1] < 6) { - LOG(2, s, session[s].tunnel, "Error: Received Session timeout with length %d < 6\n", p[1]); - continue; - } - - session[s].timeout = ntohl(*(uint32_t *) (p + 2)); - LOG(3, s, session[s].tunnel, " Radius reply contains Session timeout %d\n", session[s].timeout); - if (!session[s].timeout) - sessionshutdown(s, "Session timeout is zero", CDN_ADMIN_DISC, TERM_SESSION_TIMEOUT); - } else if (*p == 136) { // DNS address @@ -724,33 +751,25 @@ void processrad(uint8_t *buf, int len, char socket_index) else if (*p == 27) { // Session-Timeout - uint32_t to = ntohl(*(uint32_t *)(p + 2)); - - LOG(3, s, session[s].tunnel, " Radius reply contains Session-Timeout = %u\n", to); - if (to > 0) - { - session[s].session_timeout = to; - } + if (p[1] < 6) continue; + session[s].session_timeout = ntohl(*(uint32_t *)(p + 2)); + LOG(3, s, session[s].tunnel, " Radius reply contains Session-Timeout = %u\n", session[s].session_timeout); } else if (*p == 28) { // Idle-Timeout - uint32_t to = ntohl(*(uint32_t *)(p + 2)); - - LOG(3, s, session[s].tunnel, " Radius reply contains Idle-Timeout = %u\n", to); - if (to > 0) - { - session[s].idle_timeout = to; - } + if (p[1] < 6) continue; + session[s].idle_timeout = ntohl(*(uint32_t *)(p + 2)); + LOG(3, s, session[s].tunnel, " Radius reply contains Idle-Timeout = %u\n", session[s].idle_timeout); } else if (*p == 26 && p[1] >= 7) { // Vendor-Specific Attribute - int vendor = ntohl(*(int *)(p + 2)); - char attrib = *(p + 6); + uint32_t vendor = ntohl(*(int *)(p + 2)); + uint8_t attrib = *(p + 6); int attrib_length = *(p + 7) - 2; - LOG(3, s, session[s].tunnel, " Radius reply contains Vendor-Specific. Vendor=%d Attrib=%d Length=%d\n", vendor, attrib, attrib_length); + LOG(3, s, session[s].tunnel, " Radius reply contains Vendor-Specific. Vendor=%u Attrib=%u Length=%d\n", vendor, attrib, attrib_length); if (vendor != 9 || attrib != 1) { LOG(3, s, session[s].tunnel, " Unknown vendor-specific\n");