sd-ndisc: drop sd_ndisc_get_prefixlen()

This is unused, and in the future we will pass prefixes and prefixlengths directly
to the callbacks when needed rather than having to search for them.

3 files changed, 0 insertions, 206 deletions

diff --git a/src/libsystemd-network/sd-ndisc.c b/src/libsystemd-network/sd-ndisc.c
index 2df952e04c..fd512b5ce4 100644
--- a/src/libsystemd-network/sd-ndisc.c
+++ b/src/libsystemd-network/sd-ndisc.c
@@ -316,24 +316,6 @@ static int ndisc_prefix_match(sd_ndisc *nd, const struct in6_addr *addr,
         return -EADDRNOTAVAIL;
 }
 
-int sd_ndisc_get_prefixlen(sd_ndisc *nd, const struct in6_addr *addr,
-                           uint8_t *prefixlen) {
-        int r;
-        NDiscPrefix *prefix;
-
-        assert_return(nd, -EINVAL);
-        assert_return(addr, -EINVAL);
-        assert_return(prefixlen, -EINVAL);
-
-        r = ndisc_prefix_match(nd, addr, sizeof(addr->s6_addr) * 8, &prefix);
-        if (r < 0)
-                return r;
-
-        *prefixlen = prefix->len;
-
-        return 0;
-}
-
 static int ndisc_prefix_update(sd_ndisc *nd, ssize_t len,
                                const struct nd_opt_prefix_info *prefix_opt) {
         NDiscPrefix *prefix;
diff --git a/src/libsystemd-network/test-ndisc-rs.c b/src/libsystemd-network/test-ndisc-rs.c
index 0bb488cd91..765198e46c 100644
--- a/src/libsystemd-network/test-ndisc-rs.c
+++ b/src/libsystemd-network/test-ndisc-rs.c
@@ -53,191 +53,6 @@ int icmp6_bind_router_solicitation(int index) {
         return test_fd[0];
 }
 
-static int send_ra_short_prefix(uint8_t flags) {
-        uint8_t advertisement[] = {
-                0x86, 0x00, 0xbe, 0xd7, 0x40, 0xc0, 0x00, 0xb4,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-
-                0x03, 0x04, 0x34, 0xc0, 0x00, 0x00, 0x01, 0xf4,
-                0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00,
-                0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
-        };
-
-        assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) ==
-               sizeof(advertisement));
-
-        return 0;
-}
-
-static void test_short_prefix_cb(sd_ndisc *nd, int event, void *userdata) {
-        sd_event *e = userdata;
-        struct {
-                struct in6_addr addr;
-                uint8_t prefixlen;
-                bool success;
-        } addrs[] = {
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  52, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  64, false },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  60, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  64, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xed,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
-                  52, true },
-        };
-        uint8_t prefixlen;
-        unsigned int i;
-
-        for (i = 0; i < ELEMENTSOF(addrs); i++) {
-                printf("  %s prefix %02x%02x:%02x%02x:%02x%02x:%02x%02x",
-                        __FUNCTION__,
-                        addrs[i].addr.s6_addr[0], addrs[i].addr.s6_addr[1],
-                        addrs[i].addr.s6_addr[2], addrs[i].addr.s6_addr[3],
-                        addrs[i].addr.s6_addr[4], addrs[i].addr.s6_addr[5],
-                        addrs[i].addr.s6_addr[6], addrs[i].addr.s6_addr[7]);
-
-                if (addrs[i].success) {
-                        assert_se(sd_ndisc_get_prefixlen(nd, &addrs[i].addr,
-                                                                &prefixlen) >= 0);
-                        assert_se(addrs[i].prefixlen == prefixlen);
-                        printf("/%d onlink\n", prefixlen);
-                } else {
-                        assert_se(sd_ndisc_get_prefixlen(nd, &addrs[i].addr,
-                                                                &prefixlen) == -EADDRNOTAVAIL);
-                        printf("/128 offlink\n");
-                }
-        }
-
-        sd_event_exit(e, 0);
-}
-
-static int send_ra_prefixes(uint8_t flags) {
-        uint8_t advertisement[] = {
-                0x86, 0x00, 0xbe, 0xd7, 0x40, 0xc0, 0x00, 0xb4,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x03, 0x04, 0x3f, 0xc0, 0x00, 0x00, 0x01, 0xf4,
-                0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00,
-                0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x03, 0x04, 0x40, 0x00, 0x00, 0x00, 0x02, 0x58,
-                0x00, 0x00, 0x02, 0x1c, 0x00, 0x00, 0x00, 0x00,
-                0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x03, 0x04, 0x3c, 0x80, 0x00, 0x00, 0x03, 0x84,
-                0x00, 0x00, 0x03, 0x20, 0x00, 0x00, 0x00, 0x00,
-                0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x03, 0x84,
-                0x00, 0x00, 0x03, 0x20, 0x00, 0x00, 0x00, 0x00,
-                0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
-                0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
-                0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
-                0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
-                0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74,
-                0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-                0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53
-        };
-
-        assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) ==
-               sizeof(advertisement));
-
-        return 0;
-}
-
-static void test_prefixes_cb(sd_ndisc *nd, int event, void *userdata) {
-        sd_event *e = userdata;
-        struct {
-                struct in6_addr addr;
-                uint8_t prefixlen;
-                bool success;
-        } addrs[] = {
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  63, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  64, false },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  60, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-                  64, true },
-                { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xed,
-                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
-                  63, false },
-        };
-        uint8_t prefixlen;
-        unsigned int i;
-
-        for (i = 0; i < ELEMENTSOF(addrs); i++) {
-                printf("  %s prefix %02x%02x:%02x%02x:%02x%02x:%02x%02x",
-                        __FUNCTION__,
-                        addrs[i].addr.s6_addr[0], addrs[i].addr.s6_addr[1],
-                        addrs[i].addr.s6_addr[2], addrs[i].addr.s6_addr[3],
-                        addrs[i].addr.s6_addr[4], addrs[i].addr.s6_addr[5],
-                        addrs[i].addr.s6_addr[6], addrs[i].addr.s6_addr[7]);
-
-                if (addrs[i].success) {
-                        assert_se(sd_ndisc_get_prefixlen(nd, &addrs[i].addr,
-                                                                &prefixlen) >= 0);
-                        assert_se(addrs[i].prefixlen == prefixlen);
-                        printf("/%d onlink\n", prefixlen);
-                } else {
-                        assert_se(sd_ndisc_get_prefixlen(nd, &addrs[i].addr,
-                                                                &prefixlen) == -EADDRNOTAVAIL);
-                        printf("/128 offlink\n");
-                }
-        }
-
-        send_ra_function = send_ra_short_prefix;
-        assert_se(sd_ndisc_set_callback(nd, test_short_prefix_cb, e) >= 0);
-        assert_se(sd_ndisc_stop(nd) >= 0);
-        assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
-}
-
-static void test_prefixes(void) {
-        sd_event *e;
-        sd_ndisc *nd;
-
-        if (verbose)
-                printf("* %s\n", __FUNCTION__);
-
-        send_ra_function = send_ra_prefixes;
-
-        assert_se(sd_event_new(&e) >= 0);
-
-        assert_se(sd_ndisc_new(&nd) >= 0);
-        assert_se(nd);
-
-        assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
-
-        assert_se(sd_ndisc_set_index(nd, 42) >= 0);
-        assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
-        assert_se(sd_ndisc_set_callback(nd, test_prefixes_cb, e) >= 0);
-
-        assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
-
-        sd_event_loop(e);
-
-        nd = sd_ndisc_unref(nd);
-        assert_se(!nd);
-
-        close(test_fd[1]);
-
-        sd_event_unref(e);
-}
-
 static int send_ra(uint8_t flags) {
         uint8_t advertisement[] = {
                 0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4,
@@ -351,7 +166,6 @@ int main(int argc, char *argv[]) {
         log_open();
 
         test_rs();
-        test_prefixes();
 
         return 0;
 }
diff --git a/src/systemd/sd-ndisc.h b/src/systemd/sd-ndisc.h
index 85152b32a6..83575c6908 100644
--- a/src/systemd/sd-ndisc.h
+++ b/src/systemd/sd-ndisc.h
@@ -52,8 +52,6 @@ sd_ndisc *sd_ndisc_unref(sd_ndisc *nd);
 int sd_ndisc_new(sd_ndisc **ret);
 
 int sd_ndisc_get_mtu(sd_ndisc *nd, uint32_t *mtu);
-int sd_ndisc_get_prefixlen(sd_ndisc *nd, const struct in6_addr *addr,
-                           uint8_t *prefixlen);
 
 int sd_ndisc_stop(sd_ndisc *nd);
 int sd_ndisc_router_discovery_start(sd_ndisc *nd);