X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fsubnet.c;h=ada811200eefdb838493a1856ac2b0d05ccf6213;hp=9d13d7c5cea7621744cd62e085cfe1553fbf4ca2;hb=c98db1b861d62430e23f26b0da18e7b3ec875767;hpb=e6a67fc439fc3b46157647bed1af59b7519adb80 diff --git a/src/subnet.c b/src/subnet.c index 9d13d7c5..ada81120 100644 --- a/src/subnet.c +++ b/src/subnet.c @@ -1,7 +1,7 @@ /* subnet.c -- handle subnet lookups and lists - Copyright (C) 2000-2002 Guus Sliepen , - 2000-2002 Ivo Timmermans + Copyright (C) 2000-2002 Guus Sliepen , + 2000-2002 Ivo Timmermans This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: subnet.c,v 1.1.2.35 2002/04/26 18:13:00 zarq Exp $ + $Id: subnet.c,v 1.1.2.39 2002/07/11 12:42:43 guus Exp $ */ #include "config.h" @@ -50,8 +50,14 @@ avl_tree_t *subnet_tree; int subnet_compare_mac(subnet_t *a, subnet_t *b) { + int result; cp - return memcmp(&a->net.mac.address, &b->net.mac.address, sizeof(mac_t)); + result = memcmp(&a->net.mac.address, &b->net.mac.address, sizeof(mac_t)); + + if(result || !a->owner || !b->owner) + return result; + + return strcmp(a->owner->name, b->owner->name); } int subnet_compare_ipv4(subnet_t *a, subnet_t *b) @@ -63,7 +69,12 @@ cp if(result) return result; - return a->net.ipv4.prefixlength - b->net.ipv4.prefixlength; + result = a->net.ipv4.prefixlength - b->net.ipv4.prefixlength; + + if(result || !a->owner || !b->owner) + return result; + + return strcmp(a->owner->name, b->owner->name); } int subnet_compare_ipv6(subnet_t *a, subnet_t *b) @@ -75,7 +86,12 @@ cp if(result) return result; - return a->net.ipv6.prefixlength - b->net.ipv6.prefixlength; + result = a->net.ipv6.prefixlength - b->net.ipv6.prefixlength; + + if(result || !a->owner || !b->owner) + return result; + + return strcmp(a->owner->name, b->owner->name); } int subnet_compare(subnet_t *a, subnet_t *b) @@ -139,7 +155,7 @@ cp subnet_t *new_subnet(void) { cp - return (subnet_t *)xmalloc(sizeof(subnet_t)); + return (subnet_t *)xmalloc_and_zero(sizeof(subnet_t)); } void free_subnet(subnet_t *subnet) @@ -176,7 +192,7 @@ subnet_t *str2net(char *subnetstr) { int i, l; subnet_t *subnet; - unsigned short int x[8]; + uint16_t x[8]; cp subnet = new_subnet(); cp @@ -293,6 +309,7 @@ subnet_t *lookup_subnet_mac(mac_t *address) cp subnet.type = SUBNET_MAC; memcpy(&subnet.net.mac.address, address, sizeof(mac_t)); + subnet.owner = NULL; p = (subnet_t *)avl_search(subnet_tree, &subnet); cp @@ -306,6 +323,7 @@ cp subnet.type = SUBNET_IPV4; memcpy(&subnet.net.ipv4.address, address, sizeof(ipv4_t)); subnet.net.ipv4.prefixlength = 32; + subnet.owner = NULL; do { @@ -323,14 +341,14 @@ cp break; } - if (!maskcmp((char *)address, (char *)&p->net.ipv4.address, p->net.ipv4.prefixlength, sizeof(ipv4_t))) + if (!maskcmp(address, &p->net.ipv4.address, p->net.ipv4.prefixlength, sizeof(ipv4_t))) break; else { /* Otherwise, see if there is a bigger enclosing subnet */ subnet.net.ipv4.prefixlength = p->net.ipv4.prefixlength - 1; - maskcpy((char *)&subnet.net.ipv4.address, (char *)&p->net.ipv4.address, subnet.net.ipv4.prefixlength, sizeof(ipv4_t)); + maskcpy(&subnet.net.ipv4.address, &p->net.ipv4.address, subnet.net.ipv4.prefixlength, sizeof(ipv4_t)); } } } while (p); @@ -345,6 +363,7 @@ cp subnet.type = SUBNET_IPV6; memcpy(&subnet.net.ipv6.address, address, sizeof(ipv6_t)); subnet.net.ipv6.prefixlength = 128; + subnet.owner = NULL; do { @@ -360,14 +379,14 @@ cp if(p->type != SUBNET_IPV6) return NULL; - if (!maskcmp((char *)address, (char *)&p->net.ipv6.address, p->net.ipv6.prefixlength, sizeof(ipv6_t))) + if (!maskcmp(address, &p->net.ipv6.address, p->net.ipv6.prefixlength, sizeof(ipv6_t))) break; else { /* Otherwise, see if there is a bigger enclosing subnet */ subnet.net.ipv6.prefixlength = p->net.ipv6.prefixlength - 1; - maskcpy((char *)&subnet.net.ipv6.address, (char *)&p->net.ipv6.address, subnet.net.ipv6.prefixlength, sizeof(ipv6_t)); + maskcpy(&subnet.net.ipv6.address, &p->net.ipv6.address, subnet.net.ipv6.prefixlength, sizeof(ipv6_t)); } } } while (p);