diff options
Diffstat (limited to 'lib/hostip.c')
| -rw-r--r-- | lib/hostip.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/lib/hostip.c b/lib/hostip.c new file mode 100644 index 000000000..453d8a387 --- /dev/null +++ b/lib/hostip.c @@ -0,0 +1,111 @@ +/***************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.0 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the + * License for the specific language governing rights and limitations + * under the License. + * + * The Original Code is Curl. + * + * The Initial Developer of the Original Code is Daniel Stenberg. + * + * Portions created by the Initial Developer are Copyright (C) 1998. + * All Rights Reserved. + * + * ------------------------------------------------------------ + * Main author: + * - Daniel Stenberg <Daniel.Stenberg@haxx.nu> + * + * http://curl.haxx.nu + * + * $Source$ + * $Revision$ + * $Date$ + * $Author$ + * $State$ + * $Locker$ + * + * ------------------------------------------------------------ + ****************************************************************************/ + +#include <string.h> + +#include "setup.h" + +#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__) +#include <winsock.h> +#else +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif +#include <netinet/in.h> +#include <netdb.h> +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +#endif + +#include "urldata.h" +#include "sendf.h" + +/* --- resolve name or IP-number --- */ + +char *MakeIP(unsigned long num) +{ +#ifdef HAVE_INET_NTOA + struct in_addr in; + + in.s_addr = htonl(num); + return (inet_ntoa(in)); +#else + static char addr[128]; + unsigned char *paddr; + + num = htonl(num); /* htonl() added to avoid endian probs */ + paddr = (unsigned char *)# + sprintf(addr, "%u.%u.%u.%u", paddr[0], paddr[1], paddr[2], paddr[3]); + return (addr); +#endif +} + +/* Stolen from Dancer source code, written by + Bjorn Reese <breese@imada.ou.dk> */ +#ifndef INADDR_NONE +#define INADDR_NONE (unsigned long) ~0 +#endif +struct hostent *GetHost(struct UrlData *data, char *hostname) +{ + struct hostent *h = NULL; + unsigned long in; + static struct hostent he; + static char name[MAXHOSTNAMELEN]; + static char *addrlist[2]; + static struct in_addr addrentry; + + if ( (in=inet_addr(hostname)) != INADDR_NONE ) { + addrentry.s_addr = in; + addrlist[0] = (char *)&addrentry; + addrlist[1] = NULL; + he.h_name = strncpy(name, MakeIP(ntohl(in)), MAXHOSTNAMELEN); + he.h_addrtype = AF_INET; + he.h_length = sizeof(struct in_addr); + he.h_addr_list = addrlist; + h = &he; + } else if ( (h=gethostbyname(hostname)) == NULL ) { + infof(data, "gethostbyname(2) failed for %s\n", hostname); + } + return (h); +} |