diff options
Diffstat (limited to 'Utilities/cmcurl/strerror.c')
| -rw-r--r-- | Utilities/cmcurl/strerror.c | 751 |
1 files changed, 0 insertions, 751 deletions
diff --git a/Utilities/cmcurl/strerror.c b/Utilities/cmcurl/strerror.c deleted file mode 100644 index 74c3457..0000000 --- a/Utilities/cmcurl/strerror.c +++ /dev/null @@ -1,751 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 2004 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al. - * - * This software is licensed as described in the file COPYING, which - * you should have received as part of this distribution. The terms - * are also available at http://curl.haxx.se/docs/copyright.html. - * - * You may opt to use, copy, modify, merge, publish, distribute and/or sell - * copies of the Software, and permit persons to whom the Software is - * furnished to do so, under the terms of the COPYING file. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - * $Id$ - ***************************************************************************/ - -#include "setup.h" - -#ifdef HAVE_STRERROR_R -#if !defined(HAVE_POSIX_STRERROR_R) && !defined(HAVE_GLIBC_STRERROR_R) -#error "you MUST have either POSIX or glibc strerror_r if strerror_r is found" -#endif /* !POSIX && !glibc */ -#endif /* HAVE_STRERROR_R */ - -#include <curl/curl.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> - -#ifdef USE_LIBIDN -#include <idna.h> -#endif - -#include "strerror.h" - -#define _MPRINTF_REPLACE /* use our functions only */ -#include <curl/mprintf.h> - -#if defined(HAVE_STRERROR_R) && defined(HAVE_NO_STRERROR_R_DECL) -#ifdef HAVE_POSIX_STRERROR_R -/* seen on AIX 5100-02 gcc 2.9 */ -extern int strerror_r(int errnum, char *strerrbuf, size_t buflen); -#else -extern char *strerror_r(int errnum, char *buf, size_t buflen); -#endif -#endif - -const char * -curl_easy_strerror(CURLcode error) -{ -#ifndef CURL_DISABLE_VERBOSE_STRINGS - switch (error) { - case CURLE_OK: - return "no error"; - - case CURLE_UNSUPPORTED_PROTOCOL: - return "unsupported protocol"; - - case CURLE_FAILED_INIT: - return "failed init"; - - case CURLE_URL_MALFORMAT: - return "URL using bad/illegal format or missing URL"; - - case CURLE_NOT_BUILT_IN: - return "A requested feature, protocol or option was not found built-in in" - " this libcurl due to a build-time decision."; - - case CURLE_COULDNT_RESOLVE_PROXY: - return "couldn't resolve proxy name"; - - case CURLE_COULDNT_RESOLVE_HOST: - return "couldn't resolve host name"; - - case CURLE_COULDNT_CONNECT: - return "couldn't connect to server"; - - case CURLE_FTP_WEIRD_SERVER_REPLY: - return "FTP: weird server reply"; - - case CURLE_FTP_ACCESS_DENIED: - return "FTP: access denied"; - - case CURLE_FTP_WEIRD_PASS_REPLY: - return "FTP: unknown PASS reply"; - - case CURLE_FTP_WEIRD_USER_REPLY: - return "FTP: unknown USER reply"; - - case CURLE_FTP_WEIRD_PASV_REPLY: - return "FTP: unknown PASV reply"; - - case CURLE_FTP_WEIRD_227_FORMAT: - return "FTP: unknown 227 response format"; - - case CURLE_FTP_CANT_GET_HOST: - return "FTP: can't figure out the host in the PASV response"; - - case CURLE_FTP_CANT_RECONNECT: - return "FTP: can't connect to server the response code is unknown"; - - case CURLE_FTP_COULDNT_SET_BINARY: - return "FTP: couldn't set binary mode"; - - case CURLE_PARTIAL_FILE: - return "Transferred a partial file"; - - case CURLE_FTP_COULDNT_RETR_FILE: - return "FTP: couldn't retrieve (RETR failed) the specified file"; - - case CURLE_FTP_WRITE_ERROR: - return "FTP: the post-transfer acknowledge response was not OK"; - - case CURLE_FTP_QUOTE_ERROR: - return "FTP: a quote command returned error"; - - case CURLE_HTTP_RETURNED_ERROR: - return "HTTP response code said error"; - - case CURLE_WRITE_ERROR: - return "failed writing received data to disk/application"; - - case CURLE_FTP_COULDNT_STOR_FILE: - return "failed FTP upload (the STOR command)"; - - case CURLE_READ_ERROR: - return "failed to open/read local data from file/application"; - - case CURLE_OUT_OF_MEMORY: -#ifdef CURL_DOES_CONVERSIONS - return "conversion failed -or- out of memory"; -#else - return "out of memory"; -#endif /* CURL_DOES_CONVERSIONS */ - - case CURLE_OPERATION_TIMEOUTED: - return "a timeout was reached"; - - case CURLE_FTP_COULDNT_SET_ASCII: - return "FTP could not set ASCII mode (TYPE A)"; - - case CURLE_FTP_PORT_FAILED: - return "FTP command PORT failed"; - - case CURLE_FTP_COULDNT_USE_REST: - return "FTP command REST failed"; - - case CURLE_FTP_COULDNT_GET_SIZE: - return "FTP command SIZE failed"; - - case CURLE_HTTP_RANGE_ERROR: - return "a range was requested but the server did not deliver it"; - - case CURLE_HTTP_POST_ERROR: - return "internal problem setting up the POST"; - - case CURLE_SSL_CONNECT_ERROR: - return "SSL connect error"; - - case CURLE_BAD_DOWNLOAD_RESUME: - return "couldn't resume download"; - - case CURLE_FILE_COULDNT_READ_FILE: - return "couldn't read a file:// file"; - - case CURLE_LDAP_CANNOT_BIND: - return "LDAP: cannot bind"; - - case CURLE_LDAP_SEARCH_FAILED: - return "LDAP: search failed"; - - case CURLE_LIBRARY_NOT_FOUND: - return "a required shared library was not found"; - - case CURLE_FUNCTION_NOT_FOUND: - return "a required function in the shared library was not found"; - - case CURLE_ABORTED_BY_CALLBACK: - return "the operation was aborted by an application callback"; - - case CURLE_BAD_FUNCTION_ARGUMENT: - return "a libcurl function was given a bad argument"; - - case CURLE_INTERFACE_FAILED: - return "failed binding local connection end"; - - case CURLE_TOO_MANY_REDIRECTS : - return "number of redirects hit maximum amount"; - - case CURLE_UNKNOWN_TELNET_OPTION: - return "User specified an unknown option"; - - case CURLE_TELNET_OPTION_SYNTAX : - return "Malformed telnet option"; - - case CURLE_SSL_PEER_CERTIFICATE: - return "SSL peer certificate was not ok"; - - case CURLE_GOT_NOTHING: - return "server returned nothing (no headers, no data)"; - - case CURLE_SSL_ENGINE_NOTFOUND: - return "SSL crypto engine not found"; - - case CURLE_SSL_ENGINE_SETFAILED: - return "can not set SSL crypto engine as default"; - - case CURLE_SSL_ENGINE_INITFAILED: - return "failed to initialise SSL crypto engine"; - - case CURLE_SEND_ERROR: - return "failed sending data to the peer"; - - case CURLE_RECV_ERROR: - return "failure when receiving data from the peer"; - - case CURLE_SHARE_IN_USE: - return "share is already in use"; - - case CURLE_SSL_CERTPROBLEM: - return "problem with the local SSL certificate"; - - case CURLE_SSL_CIPHER: - return "couldn't use specified SSL cipher"; - - case CURLE_SSL_CACERT: - return "peer certificate cannot be authenticated with known CA certificates"; - - case CURLE_SSL_CACERT_BADFILE: - return "problem with the SSL CA cert (path? access rights?)"; - - case CURLE_BAD_CONTENT_ENCODING: - return "Unrecognized HTTP Content-Encoding"; - - case CURLE_LDAP_INVALID_URL: - return "Invalid LDAP URL"; - - case CURLE_FILESIZE_EXCEEDED: - return "Maximum file size exceeded"; - - case CURLE_FTP_SSL_FAILED: - return "Requested FTP SSL level failed"; - - case CURLE_SSL_SHUTDOWN_FAILED: - return "Failed to shut down the SSL connection"; - - case CURLE_SEND_FAIL_REWIND: - return "Send failed since rewinding of the data stream failed"; - - case CURLE_LOGIN_DENIED: - return "FTP: login denied"; - - case CURLE_TFTP_NOTFOUND: - return "TFTP: File Not Found"; - - case CURLE_TFTP_PERM: - return "TFTP: Access Violation"; - - case CURLE_TFTP_DISKFULL: - return "TFTP: Disk full or allocation exceeded"; - - case CURLE_TFTP_ILLEGAL: - return "TFTP: Illegal operation"; - - case CURLE_TFTP_UNKNOWNID: - return "TFTP: Unknown transfer ID"; - - case CURLE_TFTP_EXISTS: - return "TFTP: File already exists"; - - case CURLE_TFTP_NOSUCHUSER: - return "TFTP: No such user"; - - case CURLE_CONV_FAILED: - return "conversion failed"; - - case CURLE_CONV_REQD: - return "caller must register CURLOPT_CONV_ callback options"; - - case CURLE_REMOTE_FILE_NOT_FOUND: - return "Remote file not found"; - - case CURLE_SSH: - return "Error in the SSH layer"; - - /* error codes not used by current libcurl */ - case CURLE_FTP_USER_PASSWORD_INCORRECT: - case CURLE_MALFORMAT_USER: - case CURLE_BAD_CALLING_ORDER: - case CURLE_BAD_PASSWORD_ENTERED: - case CURLE_OBSOLETE: - case CURL_LAST: - break; - } - /* - * By using a switch, gcc -Wall will complain about enum values - * which do not appear, helping keep this function up-to-date. - * By using gcc -Wall -Werror, you can't forget. - * - * A table would not have the same benefit. Most compilers will - * generate code very similar to a table in any case, so there - * is little performance gain from a table. And something is broken - * for the user's application, anyways, so does it matter how fast - * it _doesn't_ work? - * - * The line number for the error will be near this comment, which - * is why it is here, and not at the start of the switch. - */ - return "unknown error"; -#else - if (error == CURLE_OK) - return "no error"; - else - return "error"; -#endif -} - -const char * -curl_multi_strerror(CURLMcode error) -{ -#ifndef CURL_DISABLE_VERBOSE_STRINGS - switch (error) { - case CURLM_CALL_MULTI_PERFORM: - return "please call curl_multi_perform() soon"; - - case CURLM_OK: - return "no error"; - - case CURLM_BAD_HANDLE: - return "invalid multi handle"; - - case CURLM_BAD_EASY_HANDLE: - return "invalid easy handle"; - - case CURLM_OUT_OF_MEMORY: - return "out of memory"; - - case CURLM_INTERNAL_ERROR: - return "internal error"; - - case CURLM_BAD_SOCKET: - return "invalid socket argument"; - - case CURLM_UNKNOWN_OPTION: - return "unknown option"; - - case CURLM_LAST: - break; - } - - return "unknown error"; -#else - if (error == CURLM_OK) - return "no error"; - else - return "error"; -#endif -} - -const char * -curl_share_strerror(CURLSHcode error) -{ -#ifndef CURL_DISABLE_VERBOSE_STRINGS - switch (error) { - case CURLSHE_OK: - return "no error"; - - case CURLSHE_BAD_OPTION: - return "unknown share option"; - - case CURLSHE_IN_USE: - return "share currently in use"; - - case CURLSHE_INVALID: - return "invalid share handle"; - - case CURLSHE_NOMEM: - return "out of memory"; - - case CURLSHE_LAST: - break; - } - - return "CURLSH unknown"; -#else - if (error == CURLSHE_OK) - return "no error"; - else - return "error"; -#endif -} - -#ifdef USE_WINSOCK - -/* This function handles most / all (?) Winsock errors cURL is able to produce. - */ -static const char * -get_winsock_error (int err, char *buf, size_t len) -{ - const char *p; - -#ifndef CURL_DISABLE_VERBOSE_STRINGS - switch (err) { - case WSAEINTR: - p = "Call interrupted."; - break; - case WSAEBADF: - p = "Bad file"; - break; - case WSAEACCES: - p = "Bad access"; - break; - case WSAEFAULT: - p = "Bad argument"; - break; - case WSAEINVAL: - p = "Invalid arguments"; - break; - case WSAEMFILE: - p = "Out of file descriptors"; - break; - case WSAEWOULDBLOCK: - p = "Call would block"; - break; - case WSAEINPROGRESS: - case WSAEALREADY: - p = "Blocking call in progress"; - break; - case WSAENOTSOCK: - p = "Descriptor is not a socket."; - break; - case WSAEDESTADDRREQ: - p = "Need destination address"; - break; - case WSAEMSGSIZE: - p = "Bad message size"; - break; - case WSAEPROTOTYPE: - p = "Bad protocol"; - break; - case WSAENOPROTOOPT: - p = "Protocol option is unsupported"; - break; - case WSAEPROTONOSUPPORT: - p = "Protocol is unsupported"; - break; - case WSAESOCKTNOSUPPORT: - p = "Socket is unsupported"; - break; - case WSAEOPNOTSUPP: - p = "Operation not supported"; - break; - case WSAEAFNOSUPPORT: - p = "Address family not supported"; - break; - case WSAEPFNOSUPPORT: - p = "Protocol family not supported"; - break; - case WSAEADDRINUSE: - p = "Address already in use"; - break; - case WSAEADDRNOTAVAIL: - p = "Address not available"; - break; - case WSAENETDOWN: - p = "Network down"; - break; - case WSAENETUNREACH: - p = "Network unreachable"; - break; - case WSAENETRESET: - p = "Network has been reset"; - break; - case WSAECONNABORTED: - p = "Connection was aborted"; - break; - case WSAECONNRESET: - p = "Connection was reset"; - break; - case WSAENOBUFS: - p = "No buffer space"; - break; - case WSAEISCONN: - p = "Socket is already connected"; - break; - case WSAENOTCONN: - p = "Socket is not connected"; - break; - case WSAESHUTDOWN: - p = "Socket has been shut down"; - break; - case WSAETOOMANYREFS: - p = "Too many references"; - break; - case WSAETIMEDOUT: - p = "Timed out"; - break; - case WSAECONNREFUSED: - p = "Connection refused"; - break; - case WSAELOOP: - p = "Loop??"; - break; - case WSAENAMETOOLONG: - p = "Name too long"; - break; - case WSAEHOSTDOWN: - p = "Host down"; - break; - case WSAEHOSTUNREACH: - p = "Host unreachable"; - break; - case WSAENOTEMPTY: - p = "Not empty"; - break; - case WSAEPROCLIM: - p = "Process limit reached"; - break; - case WSAEUSERS: - p = "Too many users"; - break; - case WSAEDQUOT: - p = "Bad quota"; - break; - case WSAESTALE: - p = "Something is stale"; - break; - case WSAEREMOTE: - p = "Remote error"; - break; -#ifdef WSAEDISCON /* missing in SalfordC! */ - case WSAEDISCON: - p = "Disconnected"; - break; -#endif - /* Extended Winsock errors */ - case WSASYSNOTREADY: - p = "Winsock library is not ready"; - break; - case WSANOTINITIALISED: - p = "Winsock library not initialised"; - break; - case WSAVERNOTSUPPORTED: - p = "Winsock version not supported."; - break; - - /* getXbyY() errors (already handled in herrmsg): - * Authoritative Answer: Host not found */ - case WSAHOST_NOT_FOUND: - p = "Host not found"; - break; - - /* Non-Authoritative: Host not found, or SERVERFAIL */ - case WSATRY_AGAIN: - p = "Host not found, try again"; - break; - - /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ - case WSANO_RECOVERY: - p = "Unrecoverable error in call to nameserver"; - break; - - /* Valid name, no data record of requested type */ - case WSANO_DATA: - p = "No data record of requested type"; - break; - - default: - return NULL; - } -#else - if (error == CURLE_OK) - return NULL; - else - p = "error"; -#endif - strncpy (buf, p, len); - buf [len-1] = '\0'; - return buf; -} -#endif /* USE_WINSOCK */ - -/* - * Our thread-safe and smart strerror() replacement. - * - * The 'err' argument passed in to this function MUST be a true errno number - * as reported on this system. We do no range checking on the number before - * we pass it to the "number-to-message" convertion function and there might - * be systems that don't do proper range checking in there themselves. - * - * We don't do range checking (on systems other than Windows) since there is - * no good reliable and portable way to do it. - */ -const char *Curl_strerror(struct connectdata *conn, int err) -{ - char *buf, *p; - size_t max; - - curlassert(conn); - curlassert(err >= 0); - - buf = conn->syserr_buf; - max = sizeof(conn->syserr_buf)-1; - *buf = '\0'; - -#ifdef USE_WINSOCK - -#ifdef _WIN32_WCE - buf[0]=0; - { - wchar_t wbuf[256]; - - FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, - LANG_NEUTRAL, wbuf, sizeof(wbuf)/sizeof(wchar_t), NULL); - wcstombs(buf,wbuf,max); - } - -#else - - /* 'sys_nerr' is the maximum errno number, it is not widely portable */ - if (err >= 0 && err < sys_nerr) - strncpy(buf, strerror(err), max); - else { - if (!get_winsock_error(err, buf, max) && - !FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err, - LANG_NEUTRAL, buf, (DWORD)max, NULL)) - snprintf(buf, max, "Unknown error %d (%#x)", err, err); - } -#endif -#else /* not USE_WINSOCK coming up */ - - /* These should be atomic and hopefully thread-safe */ -#ifdef HAVE_STRERROR_R - /* There are two different APIs for strerror_r(). The POSIX and the GLIBC - versions. */ -#ifdef HAVE_POSIX_STRERROR_R - strerror_r(err, buf, max); - /* this may set errno to ERANGE if insufficient storage was supplied via - 'strerrbuf' and 'buflen' to contain the generated message string, or - EINVAL if the value of 'errnum' is not a valid error number.*/ -#else - { - /* HAVE_GLIBC_STRERROR_R */ - char buffer[256]; - char *msg = strerror_r(err, buffer, sizeof(buffer)); - /* this version of strerror_r() only *might* use the buffer we pass to - the function, but it always returns the error message as a pointer, - so we must copy that string unconditionally (if non-NULL) */ - if(msg) - strncpy(buf, msg, max); - else - snprintf(buf, max, "Unknown error %d", err); - } -#endif /* end of HAVE_GLIBC_STRERROR_R */ -#else /* HAVE_STRERROR_R */ - strncpy(buf, strerror(err), max); -#endif /* end of HAVE_STRERROR_R */ -#endif /* end of ! USE_WINSOCK */ - - buf[max] = '\0'; /* make sure the string is zero terminated */ - - /* strip trailing '\r\n' or '\n'. */ - if ((p = strrchr(buf,'\n')) != NULL && (p - buf) >= 2) - *p = '\0'; - if ((p = strrchr(buf,'\r')) != NULL && (p - buf) >= 1) - *p = '\0'; - return buf; -} - -#ifdef USE_LIBIDN -/* - * Return error-string for libidn status as returned from idna_to_ascii_lz(). - */ -const char *Curl_idn_strerror (struct connectdata *conn, int err) -{ -#ifdef HAVE_IDNA_STRERROR - (void)conn; - return idna_strerror((Idna_rc) err); -#else - const char *str; - char *buf; - size_t max; - - curlassert(conn); - - buf = conn->syserr_buf; - max = sizeof(conn->syserr_buf)-1; - -#ifndef CURL_DISABLE_VERBOSE_STRINGS - switch ((Idna_rc)err) { - case IDNA_SUCCESS: - str = "No error"; - break; - case IDNA_STRINGPREP_ERROR: - str = "Error in string preparation"; - break; - case IDNA_PUNYCODE_ERROR: - str = "Error in Punycode operation"; - break; - case IDNA_CONTAINS_NON_LDH: - str = "Illegal ASCII characters"; - break; - case IDNA_CONTAINS_MINUS: - str = "Contains minus"; - break; - case IDNA_INVALID_LENGTH: - str = "Invalid output length"; - break; - case IDNA_NO_ACE_PREFIX: - str = "No ACE prefix (\"xn--\")"; - break; - case IDNA_ROUNDTRIP_VERIFY_ERROR: - str = "Roundtrip verify error"; - break; - case IDNA_CONTAINS_ACE_PREFIX: - str = "Already have ACE prefix (\"xn--\")"; - break; - case IDNA_ICONV_ERROR: - str = "Locale conversion failed"; - break; - case IDNA_MALLOC_ERROR: - str = "Allocation failed"; - break; - case IDNA_DLOPEN_ERROR: - str = "dlopen() error"; - break; - default: - snprintf(buf, max, "error %d", (int)err); - str = NULL; - break; - } -#else - if ((Idna_rc)err == IDNA_SUCCESS) - str = "No error"; - else - str = "error"; -#endif - if (str) - strncpy(buf, str, max); - buf[max] = '\0'; - return (buf); -#endif -} -#endif /* USE_LIBIDN */ |