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-rw-r--r--lib/sockunion.c781
1 files changed, 781 insertions, 0 deletions
diff --git a/lib/sockunion.c b/lib/sockunion.c
new file mode 100644
index 0000000..c37ab1d
--- /dev/null
+++ b/lib/sockunion.c
@@ -0,0 +1,781 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Socket union related function.
+ * Copyright (c) 1997, 98 Kunihiro Ishiguro
+ */
+
+#include <zebra.h>
+
+#include "prefix.h"
+#include "vty.h"
+#include "sockunion.h"
+#include "memory.h"
+#include "log.h"
+#include "jhash.h"
+#include "lib_errors.h"
+#include "printfrr.h"
+
+DEFINE_MTYPE_STATIC(LIB, SOCKUNION, "Socket union");
+
+const char *inet_sutop(const union sockunion *su, char *str)
+{
+ switch (su->sa.sa_family) {
+ case AF_INET:
+ inet_ntop(AF_INET, &su->sin.sin_addr, str, INET_ADDRSTRLEN);
+ break;
+ case AF_INET6:
+ inet_ntop(AF_INET6, &su->sin6.sin6_addr, str, INET6_ADDRSTRLEN);
+ break;
+ }
+ return str;
+}
+
+int str2sockunion(const char *str, union sockunion *su)
+{
+ int ret;
+
+ if (str == NULL)
+ return -1;
+
+ memset(su, 0, sizeof(union sockunion));
+
+ ret = inet_pton(AF_INET, str, &su->sin.sin_addr);
+ if (ret > 0) /* Valid IPv4 address format. */
+ {
+ su->sin.sin_family = AF_INET;
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+ su->sin.sin_len = sizeof(struct sockaddr_in);
+#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
+ return 0;
+ }
+ ret = inet_pton(AF_INET6, str, &su->sin6.sin6_addr);
+ if (ret > 0) /* Valid IPv6 address format. */
+ {
+ su->sin6.sin6_family = AF_INET6;
+#ifdef SIN6_LEN
+ su->sin6.sin6_len = sizeof(struct sockaddr_in6);
+#endif /* SIN6_LEN */
+ return 0;
+ }
+ return -1;
+}
+
+const char *sockunion2str(const union sockunion *su, char *buf, size_t len)
+{
+ switch (sockunion_family(su)) {
+ case AF_UNSPEC:
+ snprintf(buf, len, "(unspec)");
+ return buf;
+ case AF_INET:
+ return inet_ntop(AF_INET, &su->sin.sin_addr, buf, len);
+ case AF_INET6:
+ return inet_ntop(AF_INET6, &su->sin6.sin6_addr, buf, len);
+ }
+ snprintf(buf, len, "(af %d)", sockunion_family(su));
+ return buf;
+}
+
+union sockunion *sockunion_str2su(const char *str)
+{
+ union sockunion *su = XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+
+ if (!str2sockunion(str, su))
+ return su;
+
+ XFREE(MTYPE_SOCKUNION, su);
+ return NULL;
+}
+
+/* Convert IPv4 compatible IPv6 address to IPv4 address. */
+static void sockunion_normalise_mapped(union sockunion *su)
+{
+ struct sockaddr_in sin;
+
+ if (su->sa.sa_family == AF_INET6
+ && IN6_IS_ADDR_V4MAPPED(&su->sin6.sin6_addr)) {
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_port = su->sin6.sin6_port;
+ memcpy(&sin.sin_addr, ((char *)&su->sin6.sin6_addr) + 12, 4);
+ memcpy(su, &sin, sizeof(struct sockaddr_in));
+ }
+}
+
+/* return sockunion structure : this function should be revised. */
+static const char *sockunion_log(const union sockunion *su, char *buf,
+ size_t len)
+{
+ switch (su->sa.sa_family) {
+ case AF_INET:
+ return inet_ntop(AF_INET, &su->sin.sin_addr, buf, len);
+
+ case AF_INET6:
+ return inet_ntop(AF_INET6, &(su->sin6.sin6_addr), buf, len);
+
+ default:
+ snprintf(buf, len, "af_unknown %d ", su->sa.sa_family);
+ return buf;
+ }
+}
+
+/* Return socket of sockunion. */
+int sockunion_socket(const union sockunion *su)
+{
+ int sock;
+
+ sock = socket(su->sa.sa_family, SOCK_STREAM, 0);
+ if (sock < 0) {
+ char buf[SU_ADDRSTRLEN];
+ flog_err(EC_LIB_SOCKET, "Can't make socket for %s : %s",
+ sockunion_log(su, buf, SU_ADDRSTRLEN),
+ safe_strerror(errno));
+ return -1;
+ }
+
+ return sock;
+}
+
+/* Return accepted new socket file descriptor. */
+int sockunion_accept(int sock, union sockunion *su)
+{
+ socklen_t len;
+ int client_sock;
+
+ len = sizeof(union sockunion);
+ client_sock = accept(sock, (struct sockaddr *)su, &len);
+
+ sockunion_normalise_mapped(su);
+ return client_sock;
+}
+
+/* Return sizeof union sockunion. */
+int sockunion_sizeof(const union sockunion *su)
+{
+ int ret;
+
+ ret = 0;
+ switch (su->sa.sa_family) {
+ case AF_INET:
+ ret = sizeof(struct sockaddr_in);
+ break;
+ case AF_INET6:
+ ret = sizeof(struct sockaddr_in6);
+ break;
+ }
+ return ret;
+}
+
+/* Performs a non-blocking connect(). */
+enum connect_result sockunion_connect(int fd, const union sockunion *peersu,
+ unsigned short port, ifindex_t ifindex)
+{
+ int ret;
+ union sockunion su;
+
+ memcpy(&su, peersu, sizeof(union sockunion));
+
+ switch (su.sa.sa_family) {
+ case AF_INET:
+ su.sin.sin_port = port;
+ break;
+ case AF_INET6:
+ su.sin6.sin6_port = port;
+#ifdef KAME
+ if (IN6_IS_ADDR_LINKLOCAL(&su.sin6.sin6_addr) && ifindex) {
+ su.sin6.sin6_scope_id = ifindex;
+ SET_IN6_LINKLOCAL_IFINDEX(su.sin6.sin6_addr, ifindex);
+ }
+#endif /* KAME */
+ break;
+ }
+
+ /* Call connect function. */
+ ret = connect(fd, (struct sockaddr *)&su, sockunion_sizeof(&su));
+
+ /* Immediate success */
+ if (ret == 0)
+ return connect_success;
+
+ /* If connect is in progress then return 1 else it's real error. */
+ if (ret < 0) {
+ if (errno != EINPROGRESS) {
+ char str[SU_ADDRSTRLEN];
+ zlog_info("can't connect to %s fd %d : %s",
+ sockunion_log(&su, str, sizeof(str)), fd,
+ safe_strerror(errno));
+ return connect_error;
+ }
+ }
+
+ return connect_in_progress;
+}
+
+/* Make socket from sockunion union. */
+int sockunion_stream_socket(union sockunion *su)
+{
+ int sock;
+
+ if (su->sa.sa_family == 0)
+ su->sa.sa_family = AF_INET_UNION;
+
+ sock = socket(su->sa.sa_family, SOCK_STREAM, 0);
+
+ if (sock < 0)
+ flog_err(EC_LIB_SOCKET,
+ "can't make socket sockunion_stream_socket");
+
+ return sock;
+}
+
+/* Bind socket to specified address. */
+int sockunion_bind(int sock, union sockunion *su, unsigned short port,
+ union sockunion *su_addr)
+{
+ int size = 0;
+ int ret;
+
+ if (su->sa.sa_family == AF_INET) {
+ size = sizeof(struct sockaddr_in);
+ su->sin.sin_port = htons(port);
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+ su->sin.sin_len = size;
+#endif /* HAVE_STRUCT_SOCKADDR_IN_SIN_LEN */
+ if (su_addr == NULL)
+ sockunion2ip(su) = htonl(INADDR_ANY);
+ } else if (su->sa.sa_family == AF_INET6) {
+ size = sizeof(struct sockaddr_in6);
+ su->sin6.sin6_port = htons(port);
+#ifdef SIN6_LEN
+ su->sin6.sin6_len = size;
+#endif /* SIN6_LEN */
+ if (su_addr == NULL) {
+#ifdef LINUX_IPV6
+ memset(&su->sin6.sin6_addr, 0, sizeof(struct in6_addr));
+#else
+ su->sin6.sin6_addr = in6addr_any;
+#endif /* LINUX_IPV6 */
+ }
+ }
+
+ ret = bind(sock, (struct sockaddr *)su, size);
+ if (ret < 0) {
+ char buf[SU_ADDRSTRLEN];
+ flog_err(EC_LIB_SOCKET, "can't bind socket for %s : %s",
+ sockunion_log(su, buf, SU_ADDRSTRLEN),
+ safe_strerror(errno));
+ }
+
+ return ret;
+}
+
+int sockopt_reuseaddr(int sock)
+{
+ int ret;
+ int on = 1;
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void *)&on,
+ sizeof(on));
+ if (ret < 0) {
+ flog_err(
+ EC_LIB_SOCKET,
+ "can't set sockopt SO_REUSEADDR to socket %d errno=%d: %s",
+ sock, errno, safe_strerror(errno));
+ return -1;
+ }
+ return 0;
+}
+
+#ifdef SO_REUSEPORT
+int sockopt_reuseport(int sock)
+{
+ int ret;
+ int on = 1;
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, (void *)&on,
+ sizeof(on));
+ if (ret < 0) {
+ flog_err(EC_LIB_SOCKET,
+ "can't set sockopt SO_REUSEPORT to socket %d", sock);
+ return -1;
+ }
+ return 0;
+}
+#else
+int sockopt_reuseport(int sock)
+{
+ return 0;
+}
+#endif /* 0 */
+
+int sockopt_ttl(int family, int sock, int ttl)
+{
+ int ret;
+
+#ifdef IP_TTL
+ if (family == AF_INET) {
+ ret = setsockopt(sock, IPPROTO_IP, IP_TTL, (void *)&ttl,
+ sizeof(int));
+ if (ret < 0) {
+ flog_err(EC_LIB_SOCKET,
+ "can't set sockopt IP_TTL %d to socket %d",
+ ttl, sock);
+ return -1;
+ }
+ return 0;
+ }
+#endif /* IP_TTL */
+ if (family == AF_INET6) {
+ ret = setsockopt(sock, IPPROTO_IPV6, IPV6_UNICAST_HOPS,
+ (void *)&ttl, sizeof(int));
+ if (ret < 0) {
+ flog_err(
+ EC_LIB_SOCKET,
+ "can't set sockopt IPV6_UNICAST_HOPS %d to socket %d",
+ ttl, sock);
+ return -1;
+ }
+ return 0;
+ }
+ return 0;
+}
+
+int sockopt_minttl(int family, int sock, int minttl)
+{
+#ifdef IP_MINTTL
+ if (family == AF_INET) {
+ int ret = setsockopt(sock, IPPROTO_IP, IP_MINTTL, &minttl,
+ sizeof(minttl));
+ if (ret < 0)
+ flog_err(
+ EC_LIB_SOCKET,
+ "can't set sockopt IP_MINTTL to %d on socket %d: %s",
+ minttl, sock, safe_strerror(errno));
+ return ret;
+ }
+#endif /* IP_MINTTL */
+#ifdef IPV6_MINHOPCOUNT
+ if (family == AF_INET6) {
+ int ret = setsockopt(sock, IPPROTO_IPV6, IPV6_MINHOPCOUNT,
+ &minttl, sizeof(minttl));
+ if (ret < 0)
+ flog_err(
+ EC_LIB_SOCKET,
+ "can't set sockopt IPV6_MINHOPCOUNT to %d on socket %d: %s",
+ minttl, sock, safe_strerror(errno));
+ return ret;
+ }
+#endif
+
+ errno = EOPNOTSUPP;
+ return -1;
+}
+
+int sockopt_v6only(int family, int sock)
+{
+ int ret, on = 1;
+
+#ifdef IPV6_V6ONLY
+ if (family == AF_INET6) {
+ ret = setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void *)&on,
+ sizeof(int));
+ if (ret < 0) {
+ flog_err(EC_LIB_SOCKET,
+ "can't set sockopt IPV6_V6ONLY to socket %d",
+ sock);
+ return -1;
+ }
+ return 0;
+ }
+#endif /* IPV6_V6ONLY */
+ return 0;
+}
+
+/* If same family and same prefix return 1. */
+int sockunion_same(const union sockunion *su1, const union sockunion *su2)
+{
+ int ret = 0;
+
+ if (su1->sa.sa_family != su2->sa.sa_family)
+ return 0;
+
+ switch (su1->sa.sa_family) {
+ case AF_INET:
+ ret = memcmp(&su1->sin.sin_addr, &su2->sin.sin_addr,
+ sizeof(struct in_addr));
+ break;
+ case AF_INET6:
+ ret = memcmp(&su1->sin6.sin6_addr, &su2->sin6.sin6_addr,
+ sizeof(struct in6_addr));
+ if ((ret == 0) && IN6_IS_ADDR_LINKLOCAL(&su1->sin6.sin6_addr)) {
+ /* compare interface indices */
+ if (su1->sin6.sin6_scope_id && su2->sin6.sin6_scope_id)
+ ret = (su1->sin6.sin6_scope_id
+ == su2->sin6.sin6_scope_id)
+ ? 0
+ : 1;
+ }
+ break;
+ }
+ if (ret == 0)
+ return 1;
+ else
+ return 0;
+}
+
+unsigned int sockunion_hash(const union sockunion *su)
+{
+ switch (sockunion_family(su)) {
+ case AF_INET:
+ return jhash_1word(su->sin.sin_addr.s_addr, 0);
+ case AF_INET6:
+ return jhash2(su->sin6.sin6_addr.s6_addr32,
+ array_size(su->sin6.sin6_addr.s6_addr32), 0);
+ }
+ return 0;
+}
+
+size_t family2addrsize(int family)
+{
+ switch (family) {
+ case AF_INET:
+ return sizeof(struct in_addr);
+ case AF_INET6:
+ return sizeof(struct in6_addr);
+ }
+ return 0;
+}
+
+size_t sockunion_get_addrlen(const union sockunion *su)
+{
+ return family2addrsize(sockunion_family(su));
+}
+
+const uint8_t *sockunion_get_addr(const union sockunion *su)
+{
+ switch (sockunion_family(su)) {
+ case AF_INET:
+ return (const uint8_t *)&su->sin.sin_addr.s_addr;
+ case AF_INET6:
+ return (const uint8_t *)&su->sin6.sin6_addr;
+ }
+ return NULL;
+}
+
+void sockunion_set(union sockunion *su, int family, const uint8_t *addr,
+ size_t bytes)
+{
+ if (family2addrsize(family) != bytes)
+ return;
+
+ sockunion_family(su) = family;
+ switch (family) {
+ case AF_INET:
+ memcpy(&su->sin.sin_addr.s_addr, addr, bytes);
+ break;
+ case AF_INET6:
+ memcpy(&su->sin6.sin6_addr, addr, bytes);
+ break;
+ }
+}
+
+/* After TCP connection is established. Get local address and port. */
+union sockunion *sockunion_getsockname(int fd)
+{
+ int ret;
+ socklen_t len;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+ char tmp_buffer[128];
+ } name;
+ union sockunion *su;
+
+ memset(&name, 0, sizeof(name));
+ len = sizeof(name);
+
+ ret = getsockname(fd, (struct sockaddr *)&name, &len);
+ if (ret < 0) {
+ flog_err(EC_LIB_SOCKET,
+ "Can't get local address and port by getsockname: %s",
+ safe_strerror(errno));
+ return NULL;
+ }
+
+ if (name.sa.sa_family == AF_INET) {
+ su = XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+ memcpy(su, &name, sizeof(struct sockaddr_in));
+ return su;
+ }
+ if (name.sa.sa_family == AF_INET6) {
+ su = XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+ memcpy(su, &name, sizeof(struct sockaddr_in6));
+ sockunion_normalise_mapped(su);
+ return su;
+ }
+
+ flog_err(
+ EC_LIB_SOCKET,
+ "Unexpected AFI received(%d) for sockunion_getsockname call for fd: %d",
+ name.sa.sa_family, fd);
+ return NULL;
+}
+
+/* After TCP connection is established. Get remote address and port. */
+union sockunion *sockunion_getpeername(int fd)
+{
+ int ret;
+ socklen_t len;
+ union {
+ struct sockaddr sa;
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+ char tmp_buffer[128];
+ } name;
+ union sockunion *su;
+
+ memset(&name, 0, sizeof(name));
+ len = sizeof(name);
+ ret = getpeername(fd, (struct sockaddr *)&name, &len);
+ if (ret < 0) {
+ flog_err(EC_LIB_SOCKET, "Can't get remote address and port: %s",
+ safe_strerror(errno));
+ return NULL;
+ }
+
+ if (name.sa.sa_family == AF_INET) {
+ su = XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+ memcpy(su, &name, sizeof(struct sockaddr_in));
+ return su;
+ }
+ if (name.sa.sa_family == AF_INET6) {
+ su = XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+ memcpy(su, &name, sizeof(struct sockaddr_in6));
+ sockunion_normalise_mapped(su);
+ return su;
+ }
+
+ flog_err(
+ EC_LIB_SOCKET,
+ "Unexpected AFI received(%d) for sockunion_getpeername call for fd: %d",
+ name.sa.sa_family, fd);
+ return NULL;
+}
+
+/* Print sockunion structure */
+static void __attribute__((unused)) sockunion_print(const union sockunion *su)
+{
+ if (su == NULL)
+ return;
+
+ switch (su->sa.sa_family) {
+ case AF_INET:
+ printf("%pI4\n", &su->sin.sin_addr);
+ break;
+ case AF_INET6:
+ printf("%pI6\n", &su->sin6.sin6_addr);
+ break;
+#ifdef AF_LINK
+ case AF_LINK: {
+ struct sockaddr_dl *sdl;
+
+ sdl = (struct sockaddr_dl *)&(su->sa);
+ printf("link#%d\n", sdl->sdl_index);
+ } break;
+#endif /* AF_LINK */
+ default:
+ printf("af_unknown %d\n", su->sa.sa_family);
+ break;
+ }
+}
+
+int in6addr_cmp(const struct in6_addr *addr1, const struct in6_addr *addr2)
+{
+ unsigned int i;
+ const uint8_t *p1, *p2;
+
+ p1 = (const uint8_t *)addr1;
+ p2 = (const uint8_t *)addr2;
+
+ for (i = 0; i < sizeof(struct in6_addr); i++) {
+ if (p1[i] > p2[i])
+ return 1;
+ else if (p1[i] < p2[i])
+ return -1;
+ }
+ return 0;
+}
+
+int sockunion_cmp(const union sockunion *su1, const union sockunion *su2)
+{
+ if (su1->sa.sa_family > su2->sa.sa_family)
+ return 1;
+ if (su1->sa.sa_family < su2->sa.sa_family)
+ return -1;
+
+ if (su1->sa.sa_family == AF_INET) {
+ if (ntohl(sockunion2ip(su1)) == ntohl(sockunion2ip(su2)))
+ return 0;
+ if (ntohl(sockunion2ip(su1)) > ntohl(sockunion2ip(su2)))
+ return 1;
+ else
+ return -1;
+ }
+ if (su1->sa.sa_family == AF_INET6)
+ return in6addr_cmp(&su1->sin6.sin6_addr, &su2->sin6.sin6_addr);
+ return 0;
+}
+
+/* Duplicate sockunion. */
+union sockunion *sockunion_dup(const union sockunion *su)
+{
+ union sockunion *dup =
+ XCALLOC(MTYPE_SOCKUNION, sizeof(union sockunion));
+ memcpy(dup, su, sizeof(union sockunion));
+ return dup;
+}
+
+void sockunion_free(union sockunion *su)
+{
+ XFREE(MTYPE_SOCKUNION, su);
+}
+
+void sockunion_init(union sockunion *su)
+{
+ memset(su, 0, sizeof(union sockunion));
+}
+
+printfrr_ext_autoreg_p("SU", printfrr_psu);
+static ssize_t printfrr_psu(struct fbuf *buf, struct printfrr_eargs *ea,
+ const void *ptr)
+{
+ const union sockunion *su = ptr;
+ bool include_port = false, include_scope = false;
+ bool endflags = false;
+ ssize_t ret = 0;
+ char cbuf[INET6_ADDRSTRLEN];
+
+ if (!su)
+ return bputs(buf, "(null)");
+
+ while (!endflags) {
+ switch (*ea->fmt) {
+ case 'p':
+ ea->fmt++;
+ include_port = true;
+ break;
+ case 's':
+ ea->fmt++;
+ include_scope = true;
+ break;
+ default:
+ endflags = true;
+ break;
+ }
+ }
+
+ switch (sockunion_family(su)) {
+ case AF_UNSPEC:
+ ret += bputs(buf, "(unspec)");
+ break;
+ case AF_INET:
+ inet_ntop(AF_INET, &su->sin.sin_addr, cbuf, sizeof(cbuf));
+ ret += bputs(buf, cbuf);
+ if (include_port)
+ ret += bprintfrr(buf, ":%d", ntohs(su->sin.sin_port));
+ break;
+ case AF_INET6:
+ if (include_port)
+ ret += bputch(buf, '[');
+ inet_ntop(AF_INET6, &su->sin6.sin6_addr, cbuf, sizeof(cbuf));
+ ret += bputs(buf, cbuf);
+ if (include_scope && su->sin6.sin6_scope_id)
+ ret += bprintfrr(buf, "%%%u",
+ (unsigned int)su->sin6.sin6_scope_id);
+ if (include_port)
+ ret += bprintfrr(buf, "]:%d",
+ ntohs(su->sin6.sin6_port));
+ break;
+ case AF_UNIX: {
+ int len;
+#ifdef __linux__
+ if (su->sun.sun_path[0] == '\0' && su->sun.sun_path[1]) {
+ len = strnlen(su->sun.sun_path + 1,
+ sizeof(su->sun.sun_path) - 1);
+ ret += bprintfrr(buf, "@%*pSE", len,
+ su->sun.sun_path + 1);
+ break;
+ }
+#endif
+ len = strnlen(su->sun.sun_path, sizeof(su->sun.sun_path));
+ ret += bprintfrr(buf, "%*pSE", len, su->sun.sun_path);
+ break;
+ }
+ default:
+ ret += bprintfrr(buf, "(af %d)", sockunion_family(su));
+ }
+
+ return ret;
+}
+
+int sockunion_is_null(const union sockunion *su)
+{
+ unsigned char null_s6_addr[16] = {0};
+
+ switch (sockunion_family(su)) {
+ case AF_UNSPEC:
+ return 1;
+ case AF_INET:
+ return (su->sin.sin_addr.s_addr == 0);
+ case AF_INET6:
+ return !memcmp(su->sin6.sin6_addr.s6_addr, null_s6_addr,
+ sizeof(null_s6_addr));
+ default:
+ return 0;
+ }
+}
+
+printfrr_ext_autoreg_i("PF", printfrr_pf);
+static ssize_t printfrr_pf(struct fbuf *buf, struct printfrr_eargs *ea,
+ uintmax_t val)
+{
+ switch (val) {
+ case AF_INET:
+ return bputs(buf, "AF_INET");
+ case AF_INET6:
+ return bputs(buf, "AF_INET6");
+ case AF_UNIX:
+ return bputs(buf, "AF_UNIX");
+#ifdef AF_PACKET
+ case AF_PACKET:
+ return bputs(buf, "AF_PACKET");
+#endif
+#ifdef AF_NETLINK
+ case AF_NETLINK:
+ return bputs(buf, "AF_NETLINK");
+#endif
+ }
+ return bprintfrr(buf, "AF_(%ju)", val);
+}
+
+printfrr_ext_autoreg_i("SO", printfrr_so);
+static ssize_t printfrr_so(struct fbuf *buf, struct printfrr_eargs *ea,
+ uintmax_t val)
+{
+ switch (val) {
+ case SOCK_STREAM:
+ return bputs(buf, "SOCK_STREAM");
+ case SOCK_DGRAM:
+ return bputs(buf, "SOCK_DGRAM");
+ case SOCK_SEQPACKET:
+ return bputs(buf, "SOCK_SEQPACKET");
+#ifdef SOCK_RAW
+ case SOCK_RAW:
+ return bputs(buf, "SOCK_RAW");
+#endif
+#ifdef SOCK_PACKET
+ case SOCK_PACKET:
+ return bputs(buf, "SOCK_PACKET");
+#endif
+ }
+ return bprintfrr(buf, "SOCK_(%ju)", val);
+}