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-rw-r--r--lib/libc/net/getnameinfo.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/lib/libc/net/getnameinfo.c b/lib/libc/net/getnameinfo.c
deleted file mode 100644
index 5edcffb..0000000
--- a/lib/libc/net/getnameinfo.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-/*
- * Issues to be discussed:
- * - Thread safe-ness must be checked
- * - Return values. There seems to be no standard for return value (RFC2553)
- * but INRIA implementation returns EAI_xxx defined for getaddrinfo().
- */
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <string.h>
-#include <stddef.h>
-
-#define SUCCESS 0
-#define ANY 0
-#define YES 1
-#define NO 0
-
-static struct afd {
- int a_af;
- int a_addrlen;
- int a_socklen;
- int a_off;
-} afdl [] = {
-#ifdef INET6
- {PF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6),
- offsetof(struct sockaddr_in6, sin6_addr)},
-#endif
- {PF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in),
- offsetof(struct sockaddr_in, sin_addr)},
- {0, 0, 0},
-};
-
-struct sockinet {
- u_char si_len;
- u_char si_family;
- u_short si_port;
-};
-
-#define ENI_NOSOCKET 0
-#define ENI_NOSERVHOST 1
-#define ENI_NOHOSTNAME 2
-#define ENI_MEMORY 3
-#define ENI_SYSTEM 4
-#define ENI_FAMILY 5
-#define ENI_SALEN 6
-
-int
-getnameinfo(sa, salen, host, hostlen, serv, servlen, flags)
- const struct sockaddr *sa;
- size_t salen;
- char *host;
- size_t hostlen;
- char *serv;
- size_t servlen;
- int flags;
-{
- struct afd *afd;
- struct servent *sp;
- struct hostent *hp;
- u_short port;
- int family, i;
- char *addr, *p;
- u_long v4a;
- int h_error;
- char numserv[512];
- char numaddr[512];
- int noserv = 0;
-
- if (sa == NULL)
- return ENI_NOSOCKET;
-
- if (sa->sa_len != salen)
- return ENI_SALEN;
-
- family = sa->sa_family;
- for (i = 0; afdl[i].a_af; i++)
- if (afdl[i].a_af == family) {
- afd = &afdl[i];
- goto found;
- }
- return ENI_FAMILY;
-
- found:
- if (salen != afd->a_socklen)
- return ENI_SALEN;
-
- port = ((struct sockinet *)sa)->si_port; /* network byte order */
- addr = (char *)sa + afd->a_off;
-
- if (serv == NULL || servlen == 0) {
- noserv = 1;
- } else {
- if (flags & NI_NUMERICSERV)
- sp = NULL;
- else {
- sp = getservbyport(port,
- (flags & NI_DGRAM) ? "udp" : "tcp");
- }
- if (sp) {
- if (strlen(sp->s_name) > servlen)
- return ENI_MEMORY;
- strcpy(serv, sp->s_name);
- } else {
- snprintf(numserv, sizeof(numserv), "%d", ntohs(port));
- if (strlen(numserv) > servlen)
- return ENI_MEMORY;
- strcpy(serv, numserv);
- }
- }
-
- switch (sa->sa_family) {
- case AF_INET:
- v4a = ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr);
- if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
- flags |= NI_NUMERICHOST;
- v4a >>= IN_CLASSA_NSHIFT;
- if (v4a == 0)
- flags |= NI_NUMERICHOST;
- break;
-#ifdef INET6
- case AF_INET6:
- {
- struct sockaddr_in6 *sin6;
- sin6 = (struct sockaddr_in6 *)sa;
- if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) ||
- IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))
- flags |= NI_NUMERICHOST;
- }
- break;
-#endif
- }
- if (host == NULL || hostlen == 0) {
- if (noserv == 1)
- return ENI_NOSERVHOST;
- } else if (flags & NI_NUMERICHOST) {
- /* NUMERICHOST and NAMEREQD conflicts with each other */
- if (flags & NI_NAMEREQD)
- return ENI_NOHOSTNAME;
- if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
- == NULL)
- return ENI_SYSTEM;
- if (strlen(numaddr) > hostlen)
- return ENI_MEMORY;
- strcpy(host, numaddr);
-#ifdef INET6
- if (afd->a_af == AF_INET6 &&
- (IN6_IS_ADDR_LINKLOCAL((struct in6_addr *)addr) ||
- IN6_IS_ADDR_MULTICAST((struct in6_addr *)addr)) &&
- ((struct sockaddr_in6 *)sa)->sin6_scope_id) {
- if (flags & NI_WITHSCOPEID) {
- char *ep = strchr(host, '\0');
- unsigned int ifindex =
- ((struct sockaddr_in6 *)sa)->sin6_scope_id;
- char ifname[IF_NAMESIZE * 2 /* for safety */];
- int scopelen, numaddrlen;
-
- if ((if_indextoname(ifindex, ifname)) == NULL)
- return ENI_SYSTEM;
- scopelen = strlen(ifname);
- numaddrlen = strlen(host);
- if (numaddrlen + 1 /* SCOPE_DELIMITER */
- + scopelen > hostlen)
- return ENI_MEMORY;
- /*
- * Construct <numeric-addr><delim><scopeid>
- */
- memcpy(host + numaddrlen + 1, ifname, scopelen);
- host[numaddrlen] = SCOPE_DELIMITER;
- host[numaddrlen + 1 + scopelen] = '\0';
- }
- }
-#endif /* INET6 */
- } else {
- hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error);
- if (hp) {
- if (flags & NI_NOFQDN) {
- p = strchr(hp->h_name, '.');
- if (p) *p = '\0';
- }
- if (strlen(hp->h_name) > hostlen) {
- freehostent(hp);
- return ENI_MEMORY;
- }
- strcpy(host, hp->h_name);
- freehostent(hp);
- } else {
- if (flags & NI_NAMEREQD)
- return ENI_NOHOSTNAME;
- if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
- == NULL)
- return ENI_NOHOSTNAME;
- if (strlen(numaddr) > hostlen)
- return ENI_MEMORY;
- strcpy(host, numaddr);
- }
- }
- return SUCCESS;
-}
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