X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_subnet.c;h=cb33ba0ac6bcb34bbb5d0c25fa7277802cfbc2b2;hp=79fbb4172b19f425610f2e0c50fceaf28b1899ad;hb=0e59fb022c6c015a5be7ed70e0378cb011be98b5;hpb=e169244e4b10dbcc1910c0f7fd811304d5b1a5a5 diff --git a/src/protocol_subnet.c b/src/protocol_subnet.c index 79fbb417..cb33ba0a 100644 --- a/src/protocol_subnet.c +++ b/src/protocol_subnet.c @@ -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: protocol_subnet.c,v 1.1.4.13 2003/07/21 14:47:43 guus Exp $ + $Id: protocol_subnet.c,v 1.1.4.16 2003/11/10 22:31:53 guus Exp $ */ #include "system.h" @@ -33,9 +33,9 @@ #include "utils.h" #include "xalloc.h" -int send_add_subnet(connection_t *c, subnet_t *subnet) +bool send_add_subnet(connection_t *c, const subnet_t *subnet) { - int x; + bool x; char *netstr; cp(); @@ -48,7 +48,7 @@ int send_add_subnet(connection_t *c, subnet_t *subnet) return x; } -int add_subnet_h(connection_t *c) +bool add_subnet_h(connection_t *c) { char subnetstr[MAX_STRING_SIZE]; char name[MAX_STRING_SIZE]; @@ -60,15 +60,15 @@ int add_subnet_h(connection_t *c) if(sscanf(c->buffer, "%*d %*x " MAX_STRING " " MAX_STRING, name, subnetstr) != 2) { logger(LOG_ERR, _("Got bad %s from %s (%s)"), "ADD_SUBNET", c->name, c->hostname); - return -1; + return false; } /* Check if owner name is a valid */ - if(check_id(name)) { + if(!check_id(name)) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid name")); - return -1; + return false; } /* Check if subnet string is valid */ @@ -78,11 +78,11 @@ int add_subnet_h(connection_t *c) if(!s) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "ADD_SUBNET", c->name, c->hostname, _("invalid subnet string")); - return -1; + return false; } if(seen_request(c->buffer)) - return 0; + return true; /* Check if the owner of the new subnet is in the connection list */ @@ -94,11 +94,14 @@ int add_subnet_h(connection_t *c) node_add(owner); } + if(c->status.opaque && owner != myself && owner != c->node) + return false; + /* Check if we already know this subnet */ if(lookup_subnet(owner, s)) { free_subnet(s); - return 0; + return true; } /* If we don't know this subnet, but we are the owner, retaliate with a DEL_SUBNET */ @@ -108,7 +111,7 @@ int add_subnet_h(connection_t *c) "ADD_SUBNET", c->name, c->hostname); s->owner = myself; send_del_subnet(c, s); - return 0; + return true; } /* If everything is correct, add the subnet to the list of the owner */ @@ -117,14 +120,15 @@ int add_subnet_h(connection_t *c) /* Tell the rest */ - forward_request(c); + if(!c->status.opaque) + forward_request(c); - return 0; + return true; } -int send_del_subnet(connection_t *c, subnet_t *s) +bool send_del_subnet(connection_t *c, const subnet_t *s) { - int x; + bool x; char *netstr; cp(); @@ -138,7 +142,7 @@ int send_del_subnet(connection_t *c, subnet_t *s) return x; } -int del_subnet_h(connection_t *c) +bool del_subnet_h(connection_t *c) { char subnetstr[MAX_STRING_SIZE]; char name[MAX_STRING_SIZE]; @@ -150,15 +154,15 @@ int del_subnet_h(connection_t *c) if(sscanf(c->buffer, "%*d %*x " MAX_STRING " " MAX_STRING, name, subnetstr) != 2) { logger(LOG_ERR, _("Got bad %s from %s (%s)"), "DEL_SUBNET", c->name, c->hostname); - return -1; + return false; } /* Check if owner name is a valid */ - if(check_id(name)) { + if(!check_id(name)) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid name")); - return -1; + return false; } /* Check if the owner of the new subnet is in the connection list */ @@ -168,9 +172,12 @@ int del_subnet_h(connection_t *c) if(!owner) { ifdebug(PROTOCOL) logger(LOG_WARNING, _("Got %s from %s (%s) for %s which is not in our node tree"), "DEL_SUBNET", c->name, c->hostname, name); - return 0; + return true; } + if(c->status.opaque && owner != myself && owner != c->node) + return false; + /* Check if subnet string is valid */ s = str2net(subnetstr); @@ -178,11 +185,11 @@ int del_subnet_h(connection_t *c) if(!s) { logger(LOG_ERR, _("Got bad %s from %s (%s): %s"), "DEL_SUBNET", c->name, c->hostname, _("invalid subnet string")); - return -1; + return false; } if(seen_request(c->buffer)) - return 0; + return true; /* If everything is correct, delete the subnet from the list of the owner */ @@ -195,7 +202,7 @@ int del_subnet_h(connection_t *c) if(!find) { ifdebug(PROTOCOL) logger(LOG_WARNING, _("Got %s from %s (%s) for %s which does not appear in his subnet tree"), "DEL_SUBNET", c->name, c->hostname, name); - return 0; + return true; } /* If we are the owner of this subnet, retaliate with an ADD_SUBNET */ @@ -204,16 +211,17 @@ int del_subnet_h(connection_t *c) ifdebug(PROTOCOL) logger(LOG_WARNING, _("Got %s from %s (%s) for ourself"), "DEL_SUBNET", c->name, c->hostname); send_add_subnet(c, find); - return 0; + return true; } /* Tell the rest */ - forward_request(c); + if(!c->status.opaque) + forward_request(c); /* Finally, delete it. */ subnet_del(owner, find); - return 0; + return true; }