diff options
author | Arch Librarian <arch@canonical.com> | 2004-09-20 16:53:51 +0000 |
---|---|---|
committer | Arch Librarian <arch@canonical.com> | 2004-09-20 16:53:51 +0000 |
commit | 533151d3ff0e22a91d0e2bcfc0fa225e8843c97f (patch) | |
tree | 8dc1efb8c9dab1d481fd7373f0eb07122c7bbd81 /methods/rfc2553emu.cc | |
parent | 934b6582b4518630a050c8b84853b8e78ed87905 (diff) | |
download | apt-533151d3ff0e22a91d0e2bcfc0fa225e8843c97f.tar.gz |
Final rfc2553 changes
Author: jgg
Date: 1999-05-26 04:08:39 GMT
Final rfc2553 changes
Diffstat (limited to 'methods/rfc2553emu.cc')
-rw-r--r-- | methods/rfc2553emu.cc | 95 |
1 files changed, 91 insertions, 4 deletions
diff --git a/methods/rfc2553emu.cc b/methods/rfc2553emu.cc index 66fe781f..1b0628f9 100644 --- a/methods/rfc2553emu.cc +++ b/methods/rfc2553emu.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: rfc2553emu.cc,v 1.1 1999/05/25 05:56:24 jgg Exp $ +// $Id: rfc2553emu.cc,v 1.2 1999/05/26 04:08:39 jgg Exp $ /* ###################################################################### RFC 2553 Emulation - Provides emulation for RFC 2553 getaddrinfo, @@ -14,9 +14,13 @@ #include "rfc2553emu.h" #include <stdlib.h> #include <arpa/inet.h> -#include <iostream.h> +#include <string.h> +#include <stdio.h> #ifndef HAVE_GETADDRINFO +// getaddrinfo - Resolve a hostname /*{{{*/ +// --------------------------------------------------------------------- +/* */ int getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res) @@ -123,7 +127,10 @@ int getaddrinfo(const char *nodename, const char *servname, return 0; } - + /*}}}*/ +// freeaddrinfo - Free the result of getaddrinfo /*{{{*/ +// --------------------------------------------------------------------- +/* */ void freeaddrinfo(struct addrinfo *ai) { struct addrinfo *Tmp; @@ -135,5 +142,85 @@ void freeaddrinfo(struct addrinfo *ai) free(ai); } } - + /*}}}*/ #endif // HAVE_GETADDRINFO + +#ifndef HAVE_GETNAMEINFO +// getnameinfo - Convert a sockaddr to a string /*{{{*/ +// --------------------------------------------------------------------- +/* */ +int getnameinfo(const struct sockaddr *sa, socklen_t salen, + char *host, size_t hostlen, + char *serv, size_t servlen, + int flags) +{ + struct sockaddr_in *sin = (struct sockaddr_in *)sa; + + // This routine only support internet addresses + if (sa->sa_family != AF_INET) + return EAI_ADDRFAMILY; + + if (host != 0) + { + // Try to resolve the hostname + if ((flags & NI_NUMERICHOST) != NI_NUMERICHOST) + { + struct hostent *Ent = gethostbyaddr((char *)&sin->sin_addr,sizeof(sin->sin_addr), + AF_INET); + if (Ent != 0) + strncpy(host,Ent->h_name,hostlen); + else + { + if ((flags & NI_NAMEREQD) == NI_NAMEREQD) + { + if (h_errno == TRY_AGAIN) + return EAI_AGAIN; + if (h_errno == NO_RECOVERY) + return EAI_FAIL; + return EAI_NONAME; + } + + flags |= NI_NUMERICHOST; + } + } + + // Resolve as a plain numberic + if ((flags & NI_NUMERICHOST) == NI_NUMERICHOST) + { + strncpy(host,inet_ntoa(sin->sin_addr),hostlen); + } + } + + if (serv != 0) + { + // Try to resolve the hostname + if ((flags & NI_NUMERICSERV) != NI_NUMERICSERV) + { + struct servent *Ent; + if ((flags & NI_DATAGRAM) == NI_DATAGRAM) + Ent = getservbyport(sin->sin_port,"udp"); + else + Ent = getservbyport(sin->sin_port,"tcp"); + + if (Ent != 0) + strncpy(serv,Ent->s_name,servlen); + else + { + if ((flags & NI_NAMEREQD) == NI_NAMEREQD) + return EAI_NONAME; + + flags |= NI_NUMERICSERV; + } + } + + // Resolve as a plain numberic + if ((flags & NI_NUMERICSERV) == NI_NUMERICSERV) + { + snprintf(serv,servlen,"%u",sin->sin_port); + } + } + + return 0; +} + /*}}}*/ +#endif // HAVE_GETNAMEINFO |