diff options
-rw-r--r-- | source3/lib/interface.c | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/source3/lib/interface.c b/source3/lib/interface.c index f5dab3caffc..40fcdfa6e21 100644 --- a/source3/lib/interface.c +++ b/source3/lib/interface.c @@ -32,12 +32,9 @@ static BOOL got_ip=False; static BOOL got_bcast=False; static BOOL got_nmask=False; -static struct interface { - struct interface *next; - struct in_addr ip; - struct in_addr bcast; - struct in_addr nmask; -} *interfaces = NULL; +struct interface *local_interfaces = NULL; +struct interface *remote_interfaces = NULL; + struct interface *last_iface; /**************************************************************************** @@ -253,13 +250,12 @@ static void get_broadcast(struct in_addr *if_ipaddr, - /**************************************************************************** load a list of network interfaces ****************************************************************************/ -void load_interfaces(void) +static void interpret_interfaces(char *s, struct interface **interfaces, + char *description) { - char *s = lp_interfaces(); char *ptr = s; fstring token; struct interface *iface; @@ -278,7 +274,7 @@ void load_interfaces(void) /* maybe we already have it listed */ { struct interface *i; - for (i=interfaces;i;i=i->next) + for (i=(*interfaces);i;i=i->next) if (ip_equal(ip,i->ip)) break; if (i) continue; } @@ -299,18 +295,18 @@ void load_interfaces(void) iface->bcast.s_addr = iface->ip.s_addr | ~iface->nmask.s_addr; iface->next = NULL; - if (!interfaces) { - interfaces = iface; + if (!(*interfaces)) { + (*interfaces) = iface; } else { last_iface->next = iface; } last_iface = iface; - DEBUG(1,("Added interface ip=%s ",inet_ntoa(iface->ip))); + DEBUG(1,("Added %s ip=%s ",description,inet_ntoa(iface->ip))); DEBUG(1,("bcast=%s ",inet_ntoa(iface->bcast))); DEBUG(1,("nmask=%s\n",inet_ntoa(iface->nmask))); } - if (interfaces) return; + if (*interfaces) return; /* setup a default interface */ iface = (struct interface *)malloc(sizeof(*iface)); @@ -339,7 +335,7 @@ void load_interfaces(void) DEBUG(2,("Warning: inconsistant interface %s\n",inet_ntoa(iface->ip))); } - interfaces = last_iface = iface; + (*interfaces) = last_iface = iface; DEBUG(1,("Added interface ip=%s ",inet_ntoa(iface->ip))); DEBUG(1,("bcast=%s ",inet_ntoa(iface->bcast))); @@ -348,6 +344,21 @@ void load_interfaces(void) /**************************************************************************** +load the remote and local interfaces +****************************************************************************/ +void load_interfaces(void) +{ + /* add the machine's interfaces to local interface structure*/ + interpret_interfaces(lp_interfaces (), &local_interfaces, + "interface"); + + /* add all subnets to remote interfaces structure */ + interpret_interfaces(lp_remote_interfaces(), &remote_interfaces, + "remote subnet"); +} + + +/**************************************************************************** override the defaults **************************************************************************/ void iface_set_default(char *ip,char *bcast,char *nmask) @@ -375,7 +386,7 @@ void iface_set_default(char *ip,char *bcast,char *nmask) BOOL ismyip(struct in_addr ip) { struct interface *i; - for (i=interfaces;i;i=i->next) + for (i=local_interfaces;i;i=i->next) if (ip_equal(i->ip,ip)) return True; return False; } @@ -386,7 +397,7 @@ BOOL ismyip(struct in_addr ip) BOOL ismybcast(struct in_addr bcast) { struct interface *i; - for (i=interfaces;i;i=i->next) + for (i=local_interfaces;i;i=i->next) if (ip_equal(i->bcast,bcast)) return True; return False; } @@ -399,7 +410,7 @@ int iface_count(void) int ret = 0; struct interface *i; - for (i=interfaces;i;i=i->next) + for (i=local_interfaces;i;i=i->next) ret++; return ret; } @@ -411,7 +422,7 @@ struct in_addr *iface_n_ip(int n) { struct interface *i; - for (i=interfaces;i && n;i=i->next) + for (i=local_interfaces;i && n;i=i->next) n--; if (i) return &i->ip; @@ -421,15 +432,14 @@ struct in_addr *iface_n_ip(int n) static struct interface *iface_find(struct in_addr ip) { struct interface *i; - if (zero_ip(ip)) return interfaces; + if (zero_ip(ip)) return local_interfaces; - for (i=interfaces;i;i=i->next) + for (i=local_interfaces;i;i=i->next) if (same_net(i->ip,ip,i->nmask)) return i; - return interfaces; + return local_interfaces; } - /* these 3 functions return the ip/bcast/nmask for the interface most appropriate for the given ip address */ @@ -449,3 +459,4 @@ struct in_addr *iface_ip(struct in_addr ip) } + |