diff options
Diffstat (limited to 'accel-pppd/extra/ipv6pool.c')
-rw-r--r-- | accel-pppd/extra/ipv6pool.c | 92 |
1 files changed, 3 insertions, 89 deletions
diff --git a/accel-pppd/extra/ipv6pool.c b/accel-pppd/extra/ipv6pool.c index 5a1a6065..4380d47d 100644 --- a/accel-pppd/extra/ipv6pool.c +++ b/accel-pppd/extra/ipv6pool.c @@ -16,14 +16,6 @@ #include "memdebug.h" -#define INTF_ID_FIXED 0 -#define INTF_ID_RANDOM 1 -#define INTF_ID_CSID 2 -#define INTF_ID_IPV4 3 - -static int conf_intf_id = INTF_ID_FIXED; -static uint64_t conf_intf_id_val = 2; - struct ippool_item_t { struct list_head entry; @@ -33,7 +25,6 @@ struct ippool_item_t static LIST_HEAD(ippool); static spinlock_t pool_lock = SPINLOCK_INITIALIZER; static struct ipdb_t ipdb; -static int urandom_fd; static void generate_pool(struct in6_addr *addr, int mask, int prefix_len) { @@ -103,38 +94,6 @@ err: _free(val); } -static uint64_t generate_intf_id(struct ppp_t *ppp) -{ - char str[4]; - int i, n; - union { - uint64_t intf_id; - uint16_t addr16[4]; - } u; - - switch (conf_intf_id) { - case INTF_ID_FIXED: - return conf_intf_id_val; - break; - case INTF_ID_RANDOM: - read(urandom_fd, &u, sizeof(u)); - break; - case INTF_ID_CSID: - break; - case INTF_ID_IPV4: - if (ppp->ipv4) { - for (i = 0; i < 4; i++) { - sprintf(str, "%i", (ppp->ipv4->peer_addr >> (i*8)) & 0xff); - sscanf(str, "%x", &n); - u.addr16[i] = htons(n); - } - } else - read(urandom_fd, &u, sizeof(u)); - } - - return u.intf_id; -} - static struct ipv6db_item_t *get_ip(struct ppp_t *ppp) { struct ippool_item_t *it; @@ -146,9 +105,8 @@ static struct ipv6db_item_t *get_ip(struct ppp_t *ppp) } else it = NULL; spin_unlock(&pool_lock); - - if (it) - it->it.intf_id = generate_intf_id(ppp); + + it->it.intf_id = 0; return it ? &it->it : NULL; } @@ -167,33 +125,6 @@ static struct ipdb_t ipdb = { .put_ipv6 = put_ip, }; -static uint64_t parse_intfid(const char *opt) -{ - union { - uint64_t u64; - uint16_t u16[4]; - } u; - - int n[4]; - int i; - - if (sscanf(opt, "%x:%x:%x:%x", &n[0], &n[1], &n[2], &n[3]) != 4) - goto err; - - for (i = 0; i < 4; i++) { - if (n[i] < 0 || n[i] > 0xffff) - goto err; - u.u16[i] = htons(n[i]); - } - - return u.u64; - -err: - log_error("ipv6pool: failed to parse intf-id\n"); - conf_intf_id = INTF_ID_RANDOM; - return 0; -} - static void ippool_init(void) { struct conf_sect_t *s = conf_get_section("ipv6-pool"); @@ -202,25 +133,8 @@ static void ippool_init(void) if (!s) return; - list_for_each_entry(opt, &s->items, entry) { - if (!strcmp(opt->name, "intf-id")) { - if (!strcmp(opt->val, "random")) - conf_intf_id = INTF_ID_RANDOM; - else if (!strcmp(opt->val, "calling-sid")) - conf_intf_id = INTF_ID_CSID; - else if (!strcmp(opt->val, "ipv4")) - conf_intf_id = INTF_ID_IPV4; - else { - conf_intf_id = INTF_ID_FIXED; - conf_intf_id_val = parse_intfid(opt->val); - } - } - if (opt->val) - continue; + list_for_each_entry(opt, &s->items, entry) add_prefix(opt->name); - } - - urandom_fd = open("/dev/urandom", O_RDONLY); ipdb_register(&ipdb); } |