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path: root/accel-pppd/extra/ipv6pool.c
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Diffstat (limited to 'accel-pppd/extra/ipv6pool.c')
-rw-r--r--accel-pppd/extra/ipv6pool.c92
1 files changed, 3 insertions, 89 deletions
diff --git a/accel-pppd/extra/ipv6pool.c b/accel-pppd/extra/ipv6pool.c
index 5a1a606..4380d47 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);
}