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*** getnameinfo.c.orig Mon Jan 10 22:56:13 2000
--- getnameinfo.c Mon Jan 10 22:56:13 2000
***************
*** 0 ****
--- 1,61 ----
+ /*
+ * fake library for ssh
+ *
+ * This file includes getnameinfo().
+ * These funtions are defined in rfc2133.
+ *
+ * But these functions are not implemented correctly. The minimum subset
+ * is implemented for ssh use only. For exapmle, this routine assumes
+ * that ai_family is AF_INET. Don't use it for another purpose.
+ *
+ * In the case not using 'configure --enable-ipv6', this getnameinfo.c
+ * will be used if you have broken getnameinfo or no getnameinfo.
+ */
+
+ #include "includes.h"
+ #include "ssh.h"
+
+ #include "gai.h"
+
+ 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 sockaddr_in *sin = (struct sockaddr_in *)sa;
+ struct hostent *hp;
+ char tmpserv[16];
+
+ if (serv) {
+ sprintf(tmpserv, "%d", ntohs(sin->sin_port));
+ if (strlen(tmpserv) > servlen)
+ return EAI_MEMORY;
+ else
+ strcpy(serv, tmpserv);
+ }
+ if (host)
+ if (flags & NI_NUMERICHOST)
+ if (strlen(inet_ntoa(sin->sin_addr)) > hostlen)
+ return EAI_MEMORY;
+ else {
+ strcpy(host, inet_ntoa(sin->sin_addr));
+ return 0;
+ }
+ else
+ if (hp = gethostbyaddr((char *)&sin->sin_addr, sizeof(struct in_addr),
+ AF_INET))
+ if (strlen(hp->h_name) > hostlen)
+ return EAI_MEMORY;
+ else {
+ strcpy(host, hp->h_name);
+ return 0;
+ }
+ else
+ return EAI_NODATA;
+ return 0;
+ }
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