Remove obsolete prefix class support

Signed-off-by: Steven Barth <steven@midlink.org>

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 6ae6f7a02fd8d9040fc8b676cd81a73d361d21c6..000d9993d6a991e0d98b33944522e4a71d3fd776 100644 (file)
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -173,9 +173,6 @@ int init_dhcpv6(const char *ifname, unsigned int options, int sol_timeout)
                        htons(DHCPV6_OPT_PD_EXCLUDE),
                        htons(DHCPV6_OPT_SOL_MAX_RT),
                        htons(DHCPV6_OPT_INF_MAX_RT),
-#ifdef EXT_PREFIX_CLASS
-                       htons(DHCPV6_OPT_PREFIX_CLASS),
-#endif
 #ifdef EXT_CER_ID
                        htons(DHCPV6_OPT_CER_ID),
 #endif
@@ -1146,7 +1143,7 @@ static int dhcpv6_parse_ia(void *opt, void *end)
        // Update address IA
        dhcpv6_for_each_option(&ia_hdr[1], end, otype, olen, odata) {
                struct odhcp6c_entry entry = {IN6ADDR_ANY_INIT, 0, 0,
-                               IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0, 0};
+                               IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0};
 
                entry.iaid = ia_hdr->iaid;
 
@@ -1171,14 +1168,6 @@ static int dhcpv6_parse_ia(void *opt, void *end)
                        uint16_t stype, slen;
                        uint8_t *sdata;
 
-#ifdef EXT_PREFIX_CLASS
-                       // Find prefix class, if any
-                       dhcpv6_for_each_option(&prefix[1], odata + olen,
-                                       stype, slen, sdata)
-                               if (stype == DHCPV6_OPT_PREFIX_CLASS && slen == 2)
-                                       entry.class = sdata[0] << 8 | sdata[1];
-#endif
-
                        // Parse PD-exclude
                        bool ok = true;
                        dhcpv6_for_each_option(odata + sizeof(*prefix) - 4U,
@@ -1242,16 +1231,6 @@ static int dhcpv6_parse_ia(void *opt, void *end)
                        entry.length = 128;
                        entry.target = addr->addr;
 
-#ifdef EXT_PREFIX_CLASS
-                       uint16_t stype, slen;
-                       uint8_t *sdata;
-                       // Find prefix class, if any
-                       dhcpv6_for_each_option(&addr[1], odata + olen,
-                                       stype, slen, sdata)
-                               if (stype == DHCPV6_OPT_PREFIX_CLASS && slen == 2)
-                                       entry.class = sdata[0] << 8 | sdata[1];
-#endif
-
                        odhcp6c_update_entry(STATE_IA_NA, &entry, 0, false);
                        parsed_ia++;
                }

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index dce1e0ee7494a3893df9ebef0625d75b7c042bcb..2d828566ed75be0ddb0eb27b7e169a764754e65a 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -584,14 +584,12 @@ bool odhcp6c_update_entry(enum odhcp6c_state state, struct odhcp6c_entry *new,
                                        new->valid - x->valid < min_update_interval &&
                                        new->preferred >= x->preferred &&
                                        new->preferred != UINT32_MAX &&
-                                       new->preferred - x->preferred < min_update_interval &&
-                                       x->class == new->class)
+                                       new->preferred - x->preferred < min_update_interval)
                                return false;
                        x->valid = new->valid;
                        x->preferred = new->preferred;
                        x->t1 = new->t1;
                        x->t2 = new->t2;
-                       x->class = new->class;
                        x->iaid = new->iaid;
                } else {
                        odhcp6c_add_state(state, new, sizeof(*new));

diff --git a/src/odhcp6c.h b/src/odhcp6c.h
index ff5b9e45467045f89c11685740c66706f12096c8..f7ddc968a93f7eb0288c10040f1761ee77d18b4a 100644 (file)
--- a/src/odhcp6c.h
+++ b/src/odhcp6c.h
@@ -65,10 +65,6 @@ enum dhcvp6_opt {
        DHCPV6_OPT_PD_EXCLUDE = 67,
        DHCPV6_OPT_SOL_MAX_RT = 82,
        DHCPV6_OPT_INF_MAX_RT = 83,
-#ifdef EXT_PREFIX_CLASS
-       /* draft-bhandari-dhc-class-based-prefix, not yet standardized */
-       DHCPV6_OPT_PREFIX_CLASS = EXT_PREFIX_CLASS,
-#endif
 #ifdef EXT_CER_ID
        /* draft-donley-dhc-cer-id-option-03 */
        DHCPV6_OPT_CER_ID = EXT_CER_ID,
@@ -300,7 +296,6 @@ struct odhcp6c_entry {
        uint32_t preferred;
        uint32_t t1;
        uint32_t t2;
-       uint16_t class;
        uint32_t iaid;
 };
 

diff --git a/src/ra.c b/src/ra.c
index 122f99eea4a1701f814a0d7c62e229777a94075e..5809fcd2c1060c69dfcb1248b270b83f8fd0f74b 100644 (file)
--- a/src/ra.c
+++ b/src/ra.c
@@ -274,7 +274,7 @@ bool ra_process(void)
        bool changed = false;
        uint8_t buf[1500], cmsg_buf[128];
        struct nd_router_advert *adv = (struct nd_router_advert*)buf;
-       struct odhcp6c_entry entry = {IN6ADDR_ANY_INIT, 0, 0, IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0, 0};
+       struct odhcp6c_entry entry = {IN6ADDR_ANY_INIT, 0, 0, IN6ADDR_ANY_INIT, 0, 0, 0, 0, 0};
        const struct in6_addr any = IN6ADDR_ANY_INIT;
 
        if (IN6_IS_ADDR_UNSPECIFIED(&lladdr)) {

diff --git a/src/script.c b/src/script.c
index 2c342163b364f014bd99e1af5fb5bb8b8a7e3ebc..f8d440f98319772423e2680dbc6a75ef5b379fb4 100644 (file)
--- a/src/script.c
+++ b/src/script.c
@@ -163,9 +163,7 @@ static void entry_to_env(const char *name, const void *data, size_t len, enum en
                                buf_len += snprintf(&buf[buf_len], 24, ",%u,%u", e[i].preferred, e[i].valid);
                        }
 
-                       if ((type == ENTRY_PREFIX || type == ENTRY_ADDRESS) && e[i].class)
-                               buf_len += snprintf(&buf[buf_len], 12, ",class=%u", e[i].class);
-                       else if (type == ENTRY_PREFIX && ntohl(e[i].iaid) != 1)
+                       if (type == ENTRY_PREFIX && ntohl(e[i].iaid) != 1)
                                buf_len += snprintf(&buf[buf_len], 16, ",class=%08x", ntohl(e[i].iaid));
 
                        if (type == ENTRY_PREFIX && e[i].priority) {