5b6e7927c6
93 lib/*.c source files renamed to use our standard naming scheme. This commit only does the file renaming. ---------------------------------------- renamed: lib/amigaos.c -> lib/curl_amigaos.c renamed: lib/asyn-ares.c -> lib/curl_asyn_ares.c renamed: lib/asyn-thread.c -> lib/curl_asyn_thread.c renamed: lib/axtls.c -> lib/curl_axtls.c renamed: lib/base64.c -> lib/curl_base64.c renamed: lib/bundles.c -> lib/curl_bundles.c renamed: lib/conncache.c -> lib/curl_conncache.c renamed: lib/connect.c -> lib/curl_connect.c renamed: lib/content_encoding.c -> lib/curl_content_encoding.c renamed: lib/cookie.c -> lib/curl_cookie.c renamed: lib/cyassl.c -> lib/curl_cyassl.c renamed: lib/dict.c -> lib/curl_dict.c renamed: lib/easy.c -> lib/curl_easy.c renamed: lib/escape.c -> lib/curl_escape.c renamed: lib/file.c -> lib/curl_file.c renamed: lib/fileinfo.c -> lib/curl_fileinfo.c renamed: lib/formdata.c -> lib/curl_formdata.c renamed: lib/ftp.c -> lib/curl_ftp.c renamed: lib/ftplistparser.c -> lib/curl_ftplistparser.c renamed: lib/getenv.c -> lib/curl_getenv.c renamed: lib/getinfo.c -> lib/curl_getinfo.c renamed: lib/gopher.c -> lib/curl_gopher.c renamed: lib/gtls.c -> lib/curl_gtls.c renamed: lib/hash.c -> lib/curl_hash.c renamed: lib/hmac.c -> lib/curl_hmac.c renamed: lib/hostasyn.c -> lib/curl_hostasyn.c renamed: lib/hostcheck.c -> lib/curl_hostcheck.c renamed: lib/hostip.c -> lib/curl_hostip.c renamed: lib/hostip4.c -> lib/curl_hostip4.c renamed: lib/hostip6.c -> lib/curl_hostip6.c renamed: lib/hostsyn.c -> lib/curl_hostsyn.c renamed: lib/http.c -> lib/curl_http.c renamed: lib/http_chunks.c -> lib/curl_http_chunks.c renamed: lib/http_digest.c -> lib/curl_http_digest.c renamed: lib/http_negotiate.c -> lib/curl_http_negotiate.c renamed: lib/http_negotiate_sspi.c -> lib/curl_http_negotiate_sspi.c renamed: lib/http_proxy.c -> lib/curl_http_proxy.c renamed: lib/idn_win32.c -> lib/curl_idn_win32.c renamed: lib/if2ip.c -> lib/curl_if2ip.c renamed: lib/imap.c -> lib/curl_imap.c renamed: lib/inet_ntop.c -> lib/curl_inet_ntop.c renamed: lib/inet_pton.c -> lib/curl_inet_pton.c renamed: lib/krb4.c -> lib/curl_krb4.c renamed: lib/krb5.c -> lib/curl_krb5.c renamed: lib/ldap.c -> lib/curl_ldap.c renamed: lib/llist.c -> lib/curl_llist.c renamed: lib/md4.c -> lib/curl_md4.c renamed: lib/md5.c -> lib/curl_md5.c renamed: lib/memdebug.c -> lib/curl_memdebug.c renamed: lib/mprintf.c -> lib/curl_mprintf.c renamed: lib/multi.c -> lib/curl_multi.c renamed: lib/netrc.c -> lib/curl_netrc.c renamed: lib/non-ascii.c -> lib/curl_non_ascii.c renamed: lib/curl_non-ascii.h -> lib/curl_non_ascii.h renamed: lib/nonblock.c -> lib/curl_nonblock.c renamed: lib/nss.c -> lib/curl_nss.c renamed: lib/nwlib.c -> lib/curl_nwlib.c renamed: lib/nwos.c -> lib/curl_nwos.c renamed: lib/openldap.c -> lib/curl_openldap.c renamed: lib/parsedate.c -> lib/curl_parsedate.c renamed: lib/pingpong.c -> lib/curl_pingpong.c renamed: lib/polarssl.c -> lib/curl_polarssl.c renamed: lib/pop3.c -> lib/curl_pop3.c renamed: lib/progress.c -> lib/curl_progress.c renamed: lib/qssl.c -> lib/curl_qssl.c renamed: lib/rawstr.c -> lib/curl_rawstr.c renamed: lib/rtsp.c -> lib/curl_rtsp.c renamed: lib/security.c -> lib/curl_security.c renamed: lib/select.c -> lib/curl_select.c renamed: lib/sendf.c -> lib/curl_sendf.c renamed: lib/share.c -> lib/curl_share.c renamed: lib/slist.c -> lib/curl_slist.c renamed: lib/smtp.c -> lib/curl_smtp.c renamed: lib/socks.c -> lib/curl_socks.c renamed: lib/socks_gssapi.c -> lib/curl_socks_gssapi.c renamed: lib/socks_sspi.c -> lib/curl_socks_sspi.c renamed: lib/speedcheck.c -> lib/curl_speedcheck.c renamed: lib/splay.c -> lib/curl_splay.c renamed: lib/ssh.c -> lib/curl_ssh.c renamed: lib/sslgen.c -> lib/curl_sslgen.c renamed: lib/ssluse.c -> lib/curl_ssluse.c renamed: lib/strdup.c -> lib/curl_strdup.c renamed: lib/strequal.c -> lib/curl_strequal.c renamed: lib/strerror.c -> lib/curl_strerror.c renamed: lib/strtok.c -> lib/curl_strtok.c renamed: lib/strtoofft.c -> lib/curl_strtoofft.c renamed: lib/telnet.c -> lib/curl_telnet.c renamed: lib/tftp.c -> lib/curl_tftp.c renamed: lib/timeval.c -> lib/curl_timeval.c renamed: lib/transfer.c -> lib/curl_transfer.c renamed: lib/url.c -> lib/curl_url.c renamed: lib/version.c -> lib/curl_version.c renamed: lib/warnless.c -> lib/curl_warnless.c renamed: lib/wildcard.c -> lib/curl_wildcard.c ----------------------------------------
200 lines
5.3 KiB
C
200 lines
5.3 KiB
C
/*
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* Copyright (C) 1996-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Original code by Paul Vixie. "curlified" by Gisle Vanem.
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*/
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#include "curl_setup.h"
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#ifndef HAVE_INET_NTOP
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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#include "curl_inet_ntop.h"
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#define IN6ADDRSZ 16
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#define INADDRSZ 4
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#define INT16SZ 2
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/*
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* Format an IPv4 address, more or less like inet_ntoa().
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*
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* Returns `dst' (as a const)
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* Note:
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* - uses no statics
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* - takes a unsigned char* not an in_addr as input
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*/
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static char *inet_ntop4 (const unsigned char *src, char *dst, size_t size)
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{
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char tmp[sizeof "255.255.255.255"];
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size_t len;
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DEBUGASSERT(size >= 16);
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tmp[0] = '\0';
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(void)snprintf(tmp, sizeof(tmp), "%d.%d.%d.%d",
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((int)((unsigned char)src[0])) & 0xff,
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((int)((unsigned char)src[1])) & 0xff,
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((int)((unsigned char)src[2])) & 0xff,
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((int)((unsigned char)src[3])) & 0xff);
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len = strlen(tmp);
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if(len == 0 || len >= size) {
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SET_ERRNO(ENOSPC);
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return (NULL);
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}
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strcpy(dst, tmp);
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return dst;
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}
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#ifdef ENABLE_IPV6
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/*
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* Convert IPv6 binary address into presentation (printable) format.
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*/
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static char *inet_ntop6 (const unsigned char *src, char *dst, size_t size)
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{
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/*
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* Note that int32_t and int16_t need only be "at least" large enough
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* to contain a value of the specified size. On some systems, like
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* Crays, there is no such thing as an integer variable with 16 bits.
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* Keep this in mind if you think this function should have been coded
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* to use pointer overlays. All the world's not a VAX.
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*/
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char tmp[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255")];
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char *tp;
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struct {
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long base;
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long len;
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} best, cur;
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unsigned long words[IN6ADDRSZ / INT16SZ];
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int i;
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/* Preprocess:
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* Copy the input (bytewise) array into a wordwise array.
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* Find the longest run of 0x00's in src[] for :: shorthanding.
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*/
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memset(words, '\0', sizeof(words));
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for(i = 0; i < IN6ADDRSZ; i++)
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words[i/2] |= (src[i] << ((1 - (i % 2)) << 3));
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best.base = -1;
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cur.base = -1;
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best.len = 0;
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cur.len = 0;
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for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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if(words[i] == 0) {
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if(cur.base == -1)
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cur.base = i, cur.len = 1;
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else
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cur.len++;
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}
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else if(cur.base != -1) {
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if(best.base == -1 || cur.len > best.len)
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best = cur;
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cur.base = -1;
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}
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}
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if((cur.base != -1) && (best.base == -1 || cur.len > best.len))
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best = cur;
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if(best.base != -1 && best.len < 2)
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best.base = -1;
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/* Format the result. */
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tp = tmp;
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for(i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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/* Are we inside the best run of 0x00's? */
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if(best.base != -1 && i >= best.base && i < (best.base + best.len)) {
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if(i == best.base)
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*tp++ = ':';
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continue;
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}
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/* Are we following an initial run of 0x00s or any real hex?
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*/
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if(i != 0)
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*tp++ = ':';
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/* Is this address an encapsulated IPv4?
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*/
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if(i == 6 && best.base == 0 &&
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(best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
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if(!inet_ntop4(src+12, tp, sizeof(tmp) - (tp - tmp))) {
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SET_ERRNO(ENOSPC);
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return (NULL);
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}
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tp += strlen(tp);
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break;
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}
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tp += snprintf(tp, 5, "%lx", words[i]);
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}
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/* Was it a trailing run of 0x00's?
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*/
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if(best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
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*tp++ = ':';
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*tp++ = '\0';
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/* Check for overflow, copy, and we're done.
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*/
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if((size_t)(tp - tmp) > size) {
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SET_ERRNO(ENOSPC);
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return (NULL);
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}
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strcpy(dst, tmp);
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return dst;
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}
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#endif /* ENABLE_IPV6 */
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/*
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* Convert a network format address to presentation format.
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*
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* Returns pointer to presentation format address (`buf').
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* Returns NULL on error and errno set with the specific
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* error, EAFNOSUPPORT or ENOSPC.
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*
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* On Windows we store the error in the thread errno, not
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* in the winsock error code. This is to avoid losing the
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* actual last winsock error. So use macro ERRNO to fetch the
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* errno this function sets when returning NULL, not SOCKERRNO.
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*/
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char *Curl_inet_ntop(int af, const void *src, char *buf, size_t size)
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{
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switch (af) {
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case AF_INET:
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return inet_ntop4((const unsigned char*)src, buf, size);
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#ifdef ENABLE_IPV6
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case AF_INET6:
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return inet_ntop6((const unsigned char*)src, buf, size);
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#endif
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default:
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SET_ERRNO(EAFNOSUPPORT);
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return NULL;
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}
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}
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#endif /* HAVE_INET_NTOP */
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