diff options
Diffstat (limited to 'accel-pppd/ctrl/ipoe/ipoe.c')
| -rw-r--r-- | accel-pppd/ctrl/ipoe/ipoe.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/accel-pppd/ctrl/ipoe/ipoe.c b/accel-pppd/ctrl/ipoe/ipoe.c index 63df0660..49e32a7e 100644 --- a/accel-pppd/ctrl/ipoe/ipoe.c +++ b/accel-pppd/ctrl/ipoe/ipoe.c @@ -89,6 +89,13 @@ struct request_item { int cnt; }; +struct local_net { + struct list_head entry; + in_addr_t addr; + int mask; + int active; +}; + enum {SID_MAC, SID_IP}; static int conf_dhcpv4 = 1; @@ -171,6 +178,8 @@ static LIST_HEAD(uc_list); static int uc_size; static mempool_t uc_pool; +static LIST_HEAD(local_nets); + static pthread_rwlock_t l4_list_lock = PTHREAD_RWLOCK_INITIALIZER; static LIST_HEAD(l4_redirect_list); static struct triton_timer_t l4_redirect_timer; @@ -3019,6 +3028,79 @@ static void load_vlan_mon(struct conf_sect_t *sect) } } +static void parse_local_net(const char *opt) +{ + const char *ptr; + char str[17]; + in_addr_t addr; + int mask; + char *endptr; + struct local_net *n; + + ptr = strchr(opt, '/'); + if (ptr) { + memcpy(str, opt, ptr - opt); + str[ptr - opt] = 0; + addr = inet_addr(str); + if (addr == INADDR_NONE) + goto out_err; + mask = strtoul(ptr + 1, &endptr, 10); + if (mask > 32) + goto out_err; + } else { + addr = inet_addr(opt); + if (addr == INADDR_NONE) + goto out_err; + mask = 24; + } + + list_for_each_entry(n, &local_nets, entry) { + if (n->addr == addr && n->mask == mask) { + n->active = 1; + return; + } + } + + n = _malloc(sizeof(*n)); + n->addr = addr; + n->mask = mask; + n->active = 1; + list_add_tail(&n->entry, &local_nets); + + ipoe_nl_add_net(addr, mask); + + return; + +out_err: + log_error("ipoe: failed to parse 'local-net=%s'\n", opt); +} + +static void load_local_nets(struct conf_sect_t *sect) +{ + struct conf_option_t *opt; + struct local_net *n; + struct list_head *pos, *t; + + list_for_each_entry(n, &local_nets, entry) + n->active = 0; + + list_for_each_entry(opt, §->items, entry) { + if (strcmp(opt->name, "local-net")) + continue; + if (!opt->val) + continue; + parse_local_net(opt->val); + } + + list_for_each_safe(pos, t, &local_nets) { + n = list_entry(pos, typeof(*n), entry); + if (!n->active) { + ipoe_nl_del_net(n->addr); + list_del(&n->entry); + _free(n); + } + } +} static void load_config(void) { @@ -3280,6 +3362,7 @@ static void load_config(void) load_interfaces(s); load_vlan_mon(s); load_gw_addr(s); + load_local_nets(s); } static struct triton_context_t l4_redirect_ctx = { |