/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2004 - 2015, 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.
*
***************************************************************************/
-#include "setup.h"
+#include "curl_setup.h"
+
+#ifdef HAVE_STRERROR_R
+# if (!defined(HAVE_POSIX_STRERROR_R) && \
+ !defined(HAVE_GLIBC_STRERROR_R) && \
+ !defined(HAVE_VXWORKS_STRERROR_R)) || \
+ (defined(HAVE_POSIX_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)) || \
+ (defined(HAVE_GLIBC_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)) || \
+ (defined(HAVE_POSIX_STRERROR_R) && defined(HAVE_GLIBC_STRERROR_R))
+# error "strerror_r MUST be either POSIX, glibc or vxworks-style"
+# endif
+#endif
#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>
+#include "curl_memory.h"
+/* The last #include file should be: */
+#include "memdebug.h"
+
const char *
curl_easy_strerror(CURLcode error)
{
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
switch (error) {
case CURLE_OK:
- return "no error";
+ return "No error";
case CURLE_UNSUPPORTED_PROTOCOL:
- return "unsupported protocol";
+ return "Unsupported protocol";
case CURLE_FAILED_INIT:
- return "failed init";
+ return "Failed initialization";
case CURLE_URL_MALFORMAT:
- return "url malformat";
+ return "URL using bad/illegal format or missing URL";
- case CURLE_URL_MALFORMAT_USER:
- return "url malformat user";
+ 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 "couldnt resolve proxy";
+ return "Couldn't resolve proxy name";
case CURLE_COULDNT_RESOLVE_HOST:
- return "couldnt resolve host";
+ return "Couldn't resolve host name";
case CURLE_COULDNT_CONNECT:
- return "couldn't connect";
+ return "Couldn't connect to server";
case CURLE_FTP_WEIRD_SERVER_REPLY:
- return "ftp weird server reply";
+ return "FTP: weird server reply";
- case CURLE_FTP_ACCESS_DENIED:
- return "ftp access denied";
+ case CURLE_REMOTE_ACCESS_DENIED:
+ return "Access denied to remote resource";
- case CURLE_FTP_USER_PASSWORD_INCORRECT:
- return "ftp user password incorrect";
+ case CURLE_FTP_ACCEPT_FAILED:
+ return "FTP: The server failed to connect to data port";
- case CURLE_FTP_WEIRD_PASS_REPLY:
- return "ftp weird pass reply";
+ case CURLE_FTP_ACCEPT_TIMEOUT:
+ return "FTP: Accepting server connect has timed out";
+
+ case CURLE_FTP_PRET_FAILED:
+ return "FTP: The server did not accept the PRET command.";
- case CURLE_FTP_WEIRD_USER_REPLY:
- return "ftp weird user reply";
+ case CURLE_FTP_WEIRD_PASS_REPLY:
+ return "FTP: unknown PASS reply";
case CURLE_FTP_WEIRD_PASV_REPLY:
- return "ftp weird pasv reply";
+ return "FTP: unknown PASV reply";
case CURLE_FTP_WEIRD_227_FORMAT:
- return "ftp weird 227 format";
+ return "FTP: unknown 227 response format";
case CURLE_FTP_CANT_GET_HOST:
- return "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 reconnect";
+ case CURLE_HTTP2:
+ return "Error in the HTTP2 framing layer";
- case CURLE_FTP_COULDNT_SET_BINARY:
- return "ftp couldn't set binary";
+ case CURLE_FTP_COULDNT_SET_TYPE:
+ return "FTP: couldn't set file type";
case CURLE_PARTIAL_FILE:
- return "partial file";
+ return "Transferred a partial file";
case CURLE_FTP_COULDNT_RETR_FILE:
- return "ftp couldn't retr file";
-
- case CURLE_FTP_WRITE_ERROR:
- return "ftp write error";
+ return "FTP: couldn't retrieve (RETR failed) the specified file";
- case CURLE_FTP_QUOTE_ERROR:
- return "ftp quote error";
+ case CURLE_QUOTE_ERROR:
+ return "Quote command returned error";
- case CURLE_HTTP_NOT_FOUND:
- return "http not found";
+ case CURLE_HTTP_RETURNED_ERROR:
+ return "HTTP response code said error";
case CURLE_WRITE_ERROR:
- return "write error";
-
- case CURLE_MALFORMAT_USER:
- return "user name is illegally specified";
+ return "Failed writing received data to disk/application";
- case CURLE_FTP_COULDNT_STOR_FILE:
- return "failed FTP upload";
+ case CURLE_UPLOAD_FAILED:
+ return "Upload failed (at start/before it took off)";
case CURLE_READ_ERROR:
- return "could open/read from file";
+ return "Failed to open/read local data from file/application";
case CURLE_OUT_OF_MEMORY:
- return "out of memory";
+ return "Out of memory";
- case CURLE_OPERATION_TIMEOUTED:
- return "the timeout time was reached";
-
- case CURLE_FTP_COULDNT_SET_ASCII:
- return "TYPE A failed";
+ case CURLE_OPERATION_TIMEDOUT:
+ return "Timeout was reached";
case CURLE_FTP_PORT_FAILED:
- return "FTP PORT operation failed";
+ return "FTP: command PORT failed";
case CURLE_FTP_COULDNT_USE_REST:
- return "the REST command failed";
-
- case CURLE_FTP_COULDNT_GET_SIZE:
- return "the SIZE command failed";
+ return "FTP: command REST failed";
- case CURLE_HTTP_RANGE_ERROR:
- return "RANGE \"command\" didn't work";
+ case CURLE_RANGE_ERROR:
+ return "Requested range was not delivered by the server";
case CURLE_HTTP_POST_ERROR:
- return "http post error";
+ return "Internal problem setting up the POST";
case CURLE_SSL_CONNECT_ERROR:
- return "wrong when connecting with SSL";
+ return "SSL connect error";
- case CURLE_FTP_BAD_DOWNLOAD_RESUME:
- return "couldn't resume download";
+ case CURLE_BAD_DOWNLOAD_RESUME:
+ return "Couldn't resume download";
case CURLE_FILE_COULDNT_READ_FILE:
- return "file couldn't read file";
+ return "Couldn't read a file:// file";
case CURLE_LDAP_CANNOT_BIND:
- return "ldap cannot bind";
+ return "LDAP: cannot bind";
case CURLE_LDAP_SEARCH_FAILED:
- return "ldap search failed";
-
- case CURLE_LIBRARY_NOT_FOUND:
- return "library not found";
+ return "LDAP: search failed";
case CURLE_FUNCTION_NOT_FOUND:
- return "function not found";
+ return "A required function in the library was not found";
case CURLE_ABORTED_BY_CALLBACK:
- return "aborted by callback";
+ return "Operation was aborted by an application callback";
case CURLE_BAD_FUNCTION_ARGUMENT:
- return "bad function argument";
+ return "A libcurl function was given a bad argument";
- case CURLE_BAD_CALLING_ORDER:
- return "bad calling order";
-
- case CURLE_HTTP_PORT_FAILED:
- return "HTTP Interface operation failed";
-
- case CURLE_BAD_PASSWORD_ENTERED:
- return "my getpass() returns fail";
+ case CURLE_INTERFACE_FAILED:
+ return "Failed binding local connection end";
case CURLE_TOO_MANY_REDIRECTS :
- return "catch endless re-direct loops";
+ return "Number of redirects hit maximum amount";
- case CURLE_UNKNOWN_TELNET_OPTION:
- return "User specified an unknown option";
+ case CURLE_UNKNOWN_OPTION:
+ return "An unknown option was passed in to libcurl";
case CURLE_TELNET_OPTION_SYNTAX :
return "Malformed telnet option";
- case CURLE_OBSOLETE:
- return "obsolete";
-
- case CURLE_SSL_PEER_CERTIFICATE:
- return "peer's certificate wasn't ok";
+ case CURLE_PEER_FAILED_VERIFICATION:
+ return "SSL peer certificate or SSH remote key was not OK";
case CURLE_GOT_NOTHING:
- return "when this is a specific error";
+ 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";
+ 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 network data";
+ return "Failed sending data to the peer";
case CURLE_RECV_ERROR:
- return "failure in receiving network data";
-
- case CURLE_SHARE_IN_USE:
- return "CURLE_SHARE_IN_USER";
+ return "Failure when receiving data from the peer";
case CURLE_SSL_CERTPROBLEM:
- return "problem with the local certificate";
+ return "Problem with the local SSL certificate";
case CURLE_SSL_CIPHER:
- return "couldn't use specified cipher";
+ return "Couldn't use specified SSL cipher";
case CURLE_SSL_CACERT:
- return "problem with the CA cert (path? access rights?)";
+ return "Peer certificate cannot be authenticated with given CA "
+ "certificates";
+
+ case CURLE_SSL_CACERT_BADFILE:
+ return "Problem with the SSL CA cert (path? access rights?)";
case CURLE_BAD_CONTENT_ENCODING:
- return "Unrecognized transfer encoding";
+ return "Unrecognized or bad HTTP Content or Transfer-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_USE_SSL_FAILED:
+ return "Requested SSL level failed";
+
+ case CURLE_SSL_SHUTDOWN_FAILED:
+ return "Failed to shut down the SSL connection";
+
+ case CURLE_SSL_CRL_BADFILE:
+ return "Failed to load CRL file (path? access rights?, format?)";
+
+ case CURLE_SSL_ISSUER_ERROR:
+ return "Issuer check against peer certificate failed";
+ case CURLE_SEND_FAIL_REWIND:
+ return "Send failed since rewinding of the data stream failed";
+
+ case CURLE_LOGIN_DENIED:
+ return "Login denied";
+
+ case CURLE_TFTP_NOTFOUND:
+ return "TFTP: File Not Found";
+
+ case CURLE_TFTP_PERM:
+ return "TFTP: Access Violation";
+
+ case CURLE_REMOTE_DISK_FULL:
+ return "Disk full or allocation exceeded";
+
+ case CURLE_TFTP_ILLEGAL:
+ return "TFTP: Illegal operation";
+
+ case CURLE_TFTP_UNKNOWNID:
+ return "TFTP: Unknown transfer ID";
+
+ case CURLE_REMOTE_FILE_EXISTS:
+ return "Remote 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";
+
+ case CURLE_AGAIN:
+ return "Socket not ready for send/recv";
+
+ case CURLE_RTSP_CSEQ_ERROR:
+ return "RTSP CSeq mismatch or invalid CSeq";
+
+ case CURLE_RTSP_SESSION_ERROR:
+ return "RTSP session error";
+
+ case CURLE_FTP_BAD_FILE_LIST:
+ return "Unable to parse FTP file list";
+
+ case CURLE_CHUNK_FAILED:
+ return "Chunk callback failed";
+
+ case CURLE_NO_CONNECTION_AVAILABLE:
+ return "The max connection limit is reached";
+
+ case CURLE_SSL_PINNEDPUBKEYNOTMATCH:
+ return "SSL public key does not match pinned public key";
+
+ case CURLE_SSL_INVALIDCERTSTATUS:
+ return "SSL server certificate status verification FAILED";
+
+ /* error codes not used by current libcurl */
+ case CURLE_OBSOLETE20:
+ case CURLE_OBSOLETE24:
+ case CURLE_OBSOLETE29:
+ case CURLE_OBSOLETE32:
+ case CURLE_OBSOLETE40:
+ case CURLE_OBSOLETE44:
+ case CURLE_OBSOLETE46:
+ case CURLE_OBSOLETE50:
+ case CURLE_OBSOLETE57:
case CURL_LAST:
break;
}
* 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 "CURLcode unknown";
+ return "Unknown error";
+#else
+ if(!error)
+ return "No error";
+ else
+ return "Error";
+#endif
}
const char *
curl_multi_strerror(CURLMcode error)
{
- switch (error)
- {
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+ switch (error) {
case CURLM_CALL_MULTI_PERFORM:
- return "please call curl_multi_perform() soon";
+ return "Please call curl_multi_perform() soon";
case CURLM_OK:
- return "no error";
+ return "No error";
case CURLM_BAD_HANDLE:
- return "CURLM not valid multi handle";
+ return "Invalid multi handle";
case CURLM_BAD_EASY_HANDLE:
- return "CURLM not valid easy handle";
+ return "Invalid easy handle";
case CURLM_OUT_OF_MEMORY:
- return "CURLM libcurl out of memory";
+ return "Out of memory";
case CURLM_INTERNAL_ERROR:
- return "CURLM libcurl internal bug";
+ return "Internal error";
+
+ case CURLM_BAD_SOCKET:
+ return "Invalid socket argument";
+
+ case CURLM_UNKNOWN_OPTION:
+ return "Unknown option";
+
+ case CURLM_ADDED_ALREADY:
+ return "The easy handle is already added to a multi handle";
case CURLM_LAST:
break;
}
- return "CURLMcode unknown";
+ return "Unknown error";
+#else
+ if(error == CURLM_OK)
+ return "No error";
+ else
+ return "Error";
+#endif
}
const char *
curl_share_strerror(CURLSHcode error)
{
- switch (error)
- {
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+ switch (error) {
case CURLSHE_OK:
- return "no error";
+ return "No error";
case CURLSHE_BAD_OPTION:
- return "CURLSH bad option";
+ return "Unknown share option";
case CURLSHE_IN_USE:
- return "CURLSH in use";
+ return "Share currently in use";
case CURLSHE_INVALID:
- return "CURLSH invalid";
+ return "Invalid share handle";
+
+ case CURLSHE_NOMEM:
+ return "Out of memory";
+
+ case CURLSHE_NOT_BUILT_IN:
+ return "Feature not enabled in this library";
case CURLSHE_LAST:
break;
}
- return "CURLSH unknown";
+ return "CURLSHcode unknown";
+#else
+ if(error == CURLSHE_OK)
+ return "No error";
+ else
+ return "Error";
+#endif
}
-#if defined(WIN32) && !defined(__CYGWIN__)
+#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)
{
- char *p;
-
- 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;
- case WSAEDISCON:
- p = "Disconnected";
- break;
+ 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 initalised";
- break;
- case WSAVERNOTSUPPORTED:
- p = "Winsock version not supported.";
- break;
+ 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;
+ 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;
+ 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;
+ 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;
+ case WSANO_DATA:
+ p = "No data record of requested type";
+ break;
- default:
- return NULL;
+ default:
+ return NULL;
}
+#else
+ if(!err)
+ return NULL;
+ else
+ p = "error";
+#endif
strncpy (buf, p, len);
buf [len-1] = '\0';
return buf;
}
-#endif /* WIN32 && !__CYGWIN__ */
-
-extern int sys_nerr;
+#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" conversion 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;
+ int old_errno = ERRNO;
- curlassert(conn);
+ DEBUGASSERT(conn);
+ DEBUGASSERT(err >= 0);
buf = conn->syserr_buf;
max = sizeof(conn->syserr_buf)-1;
*buf = '\0';
- if (err >= 0 && err < sys_nerr) {
- /* These should be atomic and hopefully thread-safe */
-#ifdef HAVE_STRERROR_R
-#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.*/
+
+#ifdef USE_WINSOCK
+
+#ifdef _WIN32_WCE
+ {
+ wchar_t wbuf[256];
+ wbuf[0] = L'\0';
+
+ FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
+ LANG_NEUTRAL, wbuf, sizeof(wbuf)/sizeof(wchar_t), NULL);
+ wcstombs(buf,wbuf,max);
+ }
#else
- /* HAVE_GLIBC_STRERROR_R */
+ /* '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) &&
+ !FormatMessageA(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 */
+
+#if defined(HAVE_STRERROR_R) && defined(HAVE_POSIX_STRERROR_R)
+ /*
+ * The POSIX-style strerror_r() may set errno to ERANGE if insufficient
+ * storage is supplied via 'strerrbuf' and 'buflen' to hold the generated
+ * message string, or EINVAL if 'errnum' is not a valid error number.
+ */
+ if(0 != strerror_r(err, buf, max)) {
+ if('\0' == buf[0])
+ snprintf(buf, max, "Unknown error %d", err);
+ }
+#elif defined(HAVE_STRERROR_R) && defined(HAVE_GLIBC_STRERROR_R)
+ /*
+ * The glibc-style 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).
+ */
+ {
char buffer[256];
char *msg = strerror_r(err, buffer, sizeof(buffer));
- strncpy(buf, msg, max);
-#endif
+ if(msg)
+ strncpy(buf, msg, max);
+ else
+ snprintf(buf, max, "Unknown error %d", err);
+ }
+#elif defined(HAVE_STRERROR_R) && defined(HAVE_VXWORKS_STRERROR_R)
+ /*
+ * The vxworks-style strerror_r() does use the buffer we pass to the function.
+ * The buffer size should be at least NAME_MAX (256)
+ */
+ {
+ char buffer[256];
+ if(OK == strerror_r(err, buffer))
+ strncpy(buf, buffer, max);
+ else
+ snprintf(buf, max, "Unknown error %d", err);
+ }
#else
- strncpy(buf, strerror(err), max);
-#endif
- *(buf+max) = '\0';
+ {
+ char *msg = strerror(err);
+ if(msg)
+ strncpy(buf, msg, max);
+ else
+ snprintf(buf, max, "Unknown error %d", err);
}
- else
-#if defined(WIN32) && !defined(__CYGWIN__)
- if (!get_winsock_error (err, buf, max) &&
- !FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM, NULL, err,
- LANG_NEUTRAL, buf, max, NULL))
#endif
- snprintf(buf, max, "Unknown error %d (%#x)", err, err);
+
+#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)
+ if((p = strrchr(buf,'\n')) != NULL && (p - buf) >= 2)
*p = '\0';
- if ((p = strrchr(buf,'\r')) != NULL && (p - buf) >= 1)
+ if((p = strrchr(buf,'\r')) != NULL && (p - buf) >= 1)
*p = '\0';
+
+ if(old_errno != ERRNO)
+ SET_ERRNO(old_errno);
+
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;
+
+ DEBUGASSERT(conn);
+
+ buf = conn->syserr_buf;
+ max = sizeof(conn->syserr_buf)-1;
+ *buf = '\0';
+
+#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 = "Round trip 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", 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 */
+
+#ifdef USE_WINDOWS_SSPI
+const char *Curl_sspi_strerror (struct connectdata *conn, int err)
+{
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+ char txtbuf[80];
+ char msgbuf[sizeof(conn->syserr_buf)];
+ char *p, *str, *msg = NULL;
+ bool msg_formatted = FALSE;
+ int old_errno;
+#endif
+ const char *txt;
+ char *outbuf;
+ size_t outmax;
+
+ DEBUGASSERT(conn);
+
+ outbuf = conn->syserr_buf;
+ outmax = sizeof(conn->syserr_buf)-1;
+ *outbuf = '\0';
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+
+ old_errno = ERRNO;
+
+ switch (err) {
+ case SEC_E_OK:
+ txt = "No error";
+ break;
+ case SEC_E_ALGORITHM_MISMATCH:
+ txt = "SEC_E_ALGORITHM_MISMATCH";
+ break;
+ case SEC_E_BAD_BINDINGS:
+ txt = "SEC_E_BAD_BINDINGS";
+ break;
+ case SEC_E_BAD_PKGID:
+ txt = "SEC_E_BAD_PKGID";
+ break;
+ case SEC_E_BUFFER_TOO_SMALL:
+ txt = "SEC_E_BUFFER_TOO_SMALL";
+ break;
+ case SEC_E_CANNOT_INSTALL:
+ txt = "SEC_E_CANNOT_INSTALL";
+ break;
+ case SEC_E_CANNOT_PACK:
+ txt = "SEC_E_CANNOT_PACK";
+ break;
+ case SEC_E_CERT_EXPIRED:
+ txt = "SEC_E_CERT_EXPIRED";
+ break;
+ case SEC_E_CERT_UNKNOWN:
+ txt = "SEC_E_CERT_UNKNOWN";
+ break;
+ case SEC_E_CERT_WRONG_USAGE:
+ txt = "SEC_E_CERT_WRONG_USAGE";
+ break;
+ case SEC_E_CONTEXT_EXPIRED:
+ txt = "SEC_E_CONTEXT_EXPIRED";
+ break;
+ case SEC_E_CROSSREALM_DELEGATION_FAILURE:
+ txt = "SEC_E_CROSSREALM_DELEGATION_FAILURE";
+ break;
+ case SEC_E_CRYPTO_SYSTEM_INVALID:
+ txt = "SEC_E_CRYPTO_SYSTEM_INVALID";
+ break;
+ case SEC_E_DECRYPT_FAILURE:
+ txt = "SEC_E_DECRYPT_FAILURE";
+ break;
+ case SEC_E_DELEGATION_POLICY:
+ txt = "SEC_E_DELEGATION_POLICY";
+ break;
+ case SEC_E_DELEGATION_REQUIRED:
+ txt = "SEC_E_DELEGATION_REQUIRED";
+ break;
+ case SEC_E_DOWNGRADE_DETECTED:
+ txt = "SEC_E_DOWNGRADE_DETECTED";
+ break;
+ case SEC_E_ENCRYPT_FAILURE:
+ txt = "SEC_E_ENCRYPT_FAILURE";
+ break;
+ case SEC_E_ILLEGAL_MESSAGE:
+ txt = "SEC_E_ILLEGAL_MESSAGE";
+ break;
+ case SEC_E_INCOMPLETE_CREDENTIALS:
+ txt = "SEC_E_INCOMPLETE_CREDENTIALS";
+ break;
+ case SEC_E_INCOMPLETE_MESSAGE:
+ txt = "SEC_E_INCOMPLETE_MESSAGE";
+ break;
+ case SEC_E_INSUFFICIENT_MEMORY:
+ txt = "SEC_E_INSUFFICIENT_MEMORY";
+ break;
+ case SEC_E_INTERNAL_ERROR:
+ txt = "SEC_E_INTERNAL_ERROR";
+ break;
+ case SEC_E_INVALID_HANDLE:
+ txt = "SEC_E_INVALID_HANDLE";
+ break;
+ case SEC_E_INVALID_PARAMETER:
+ txt = "SEC_E_INVALID_PARAMETER";
+ break;
+ case SEC_E_INVALID_TOKEN:
+ txt = "SEC_E_INVALID_TOKEN";
+ break;
+ case SEC_E_ISSUING_CA_UNTRUSTED:
+ txt = "SEC_E_ISSUING_CA_UNTRUSTED";
+ break;
+ case SEC_E_ISSUING_CA_UNTRUSTED_KDC:
+ txt = "SEC_E_ISSUING_CA_UNTRUSTED_KDC";
+ break;
+ case SEC_E_KDC_CERT_EXPIRED:
+ txt = "SEC_E_KDC_CERT_EXPIRED";
+ break;
+ case SEC_E_KDC_CERT_REVOKED:
+ txt = "SEC_E_KDC_CERT_REVOKED";
+ break;
+ case SEC_E_KDC_INVALID_REQUEST:
+ txt = "SEC_E_KDC_INVALID_REQUEST";
+ break;
+ case SEC_E_KDC_UNABLE_TO_REFER:
+ txt = "SEC_E_KDC_UNABLE_TO_REFER";
+ break;
+ case SEC_E_KDC_UNKNOWN_ETYPE:
+ txt = "SEC_E_KDC_UNKNOWN_ETYPE";
+ break;
+ case SEC_E_LOGON_DENIED:
+ txt = "SEC_E_LOGON_DENIED";
+ break;
+ case SEC_E_MAX_REFERRALS_EXCEEDED:
+ txt = "SEC_E_MAX_REFERRALS_EXCEEDED";
+ break;
+ case SEC_E_MESSAGE_ALTERED:
+ txt = "SEC_E_MESSAGE_ALTERED";
+ break;
+ case SEC_E_MULTIPLE_ACCOUNTS:
+ txt = "SEC_E_MULTIPLE_ACCOUNTS";
+ break;
+ case SEC_E_MUST_BE_KDC:
+ txt = "SEC_E_MUST_BE_KDC";
+ break;
+ case SEC_E_NOT_OWNER:
+ txt = "SEC_E_NOT_OWNER";
+ break;
+ case SEC_E_NO_AUTHENTICATING_AUTHORITY:
+ txt = "SEC_E_NO_AUTHENTICATING_AUTHORITY";
+ break;
+ case SEC_E_NO_CREDENTIALS:
+ txt = "SEC_E_NO_CREDENTIALS";
+ break;
+ case SEC_E_NO_IMPERSONATION:
+ txt = "SEC_E_NO_IMPERSONATION";
+ break;
+ case SEC_E_NO_IP_ADDRESSES:
+ txt = "SEC_E_NO_IP_ADDRESSES";
+ break;
+ case SEC_E_NO_KERB_KEY:
+ txt = "SEC_E_NO_KERB_KEY";
+ break;
+ case SEC_E_NO_PA_DATA:
+ txt = "SEC_E_NO_PA_DATA";
+ break;
+ case SEC_E_NO_S4U_PROT_SUPPORT:
+ txt = "SEC_E_NO_S4U_PROT_SUPPORT";
+ break;
+ case SEC_E_NO_TGT_REPLY:
+ txt = "SEC_E_NO_TGT_REPLY";
+ break;
+ case SEC_E_OUT_OF_SEQUENCE:
+ txt = "SEC_E_OUT_OF_SEQUENCE";
+ break;
+ case SEC_E_PKINIT_CLIENT_FAILURE:
+ txt = "SEC_E_PKINIT_CLIENT_FAILURE";
+ break;
+ case SEC_E_PKINIT_NAME_MISMATCH:
+ txt = "SEC_E_PKINIT_NAME_MISMATCH";
+ break;
+ case SEC_E_POLICY_NLTM_ONLY:
+ txt = "SEC_E_POLICY_NLTM_ONLY";
+ break;
+ case SEC_E_QOP_NOT_SUPPORTED:
+ txt = "SEC_E_QOP_NOT_SUPPORTED";
+ break;
+ case SEC_E_REVOCATION_OFFLINE_C:
+ txt = "SEC_E_REVOCATION_OFFLINE_C";
+ break;
+ case SEC_E_REVOCATION_OFFLINE_KDC:
+ txt = "SEC_E_REVOCATION_OFFLINE_KDC";
+ break;
+ case SEC_E_SECPKG_NOT_FOUND:
+ txt = "SEC_E_SECPKG_NOT_FOUND";
+ break;
+ case SEC_E_SECURITY_QOS_FAILED:
+ txt = "SEC_E_SECURITY_QOS_FAILED";
+ break;
+ case SEC_E_SHUTDOWN_IN_PROGRESS:
+ txt = "SEC_E_SHUTDOWN_IN_PROGRESS";
+ break;
+ case SEC_E_SMARTCARD_CERT_EXPIRED:
+ txt = "SEC_E_SMARTCARD_CERT_EXPIRED";
+ break;
+ case SEC_E_SMARTCARD_CERT_REVOKED:
+ txt = "SEC_E_SMARTCARD_CERT_REVOKED";
+ break;
+ case SEC_E_SMARTCARD_LOGON_REQUIRED:
+ txt = "SEC_E_SMARTCARD_LOGON_REQUIRED";
+ break;
+ case SEC_E_STRONG_CRYPTO_NOT_SUPPORTED:
+ txt = "SEC_E_STRONG_CRYPTO_NOT_SUPPORTED";
+ break;
+ case SEC_E_TARGET_UNKNOWN:
+ txt = "SEC_E_TARGET_UNKNOWN";
+ break;
+ case SEC_E_TIME_SKEW:
+ txt = "SEC_E_TIME_SKEW";
+ break;
+ case SEC_E_TOO_MANY_PRINCIPALS:
+ txt = "SEC_E_TOO_MANY_PRINCIPALS";
+ break;
+ case SEC_E_UNFINISHED_CONTEXT_DELETED:
+ txt = "SEC_E_UNFINISHED_CONTEXT_DELETED";
+ break;
+ case SEC_E_UNKNOWN_CREDENTIALS:
+ txt = "SEC_E_UNKNOWN_CREDENTIALS";
+ break;
+ case SEC_E_UNSUPPORTED_FUNCTION:
+ txt = "SEC_E_UNSUPPORTED_FUNCTION";
+ break;
+ case SEC_E_UNSUPPORTED_PREAUTH:
+ txt = "SEC_E_UNSUPPORTED_PREAUTH";
+ break;
+ case SEC_E_UNTRUSTED_ROOT:
+ txt = "SEC_E_UNTRUSTED_ROOT";
+ break;
+ case SEC_E_WRONG_CREDENTIAL_HANDLE:
+ txt = "SEC_E_WRONG_CREDENTIAL_HANDLE";
+ break;
+ case SEC_E_WRONG_PRINCIPAL:
+ txt = "SEC_E_WRONG_PRINCIPAL";
+ break;
+ case SEC_I_COMPLETE_AND_CONTINUE:
+ txt = "SEC_I_COMPLETE_AND_CONTINUE";
+ break;
+ case SEC_I_COMPLETE_NEEDED:
+ txt = "SEC_I_COMPLETE_NEEDED";
+ break;
+ case SEC_I_CONTEXT_EXPIRED:
+ txt = "SEC_I_CONTEXT_EXPIRED";
+ break;
+ case SEC_I_CONTINUE_NEEDED:
+ txt = "SEC_I_CONTINUE_NEEDED";
+ break;
+ case SEC_I_INCOMPLETE_CREDENTIALS:
+ txt = "SEC_I_INCOMPLETE_CREDENTIALS";
+ break;
+ case SEC_I_LOCAL_LOGON:
+ txt = "SEC_I_LOCAL_LOGON";
+ break;
+ case SEC_I_NO_LSA_CONTEXT:
+ txt = "SEC_I_NO_LSA_CONTEXT";
+ break;
+ case SEC_I_RENEGOTIATE:
+ txt = "SEC_I_RENEGOTIATE";
+ break;
+ case SEC_I_SIGNATURE_NEEDED:
+ txt = "SEC_I_SIGNATURE_NEEDED";
+ break;
+ default:
+ txt = "Unknown error";
+ }
+
+ if(err == SEC_E_OK)
+ strncpy(outbuf, txt, outmax);
+ else {
+ str = txtbuf;
+ snprintf(txtbuf, sizeof(txtbuf), "%s (0x%04X%04X)",
+ txt, (err >> 16) & 0xffff, err & 0xffff);
+ txtbuf[sizeof(txtbuf)-1] = '\0';
+
+#ifdef _WIN32_WCE
+ {
+ wchar_t wbuf[256];
+ wbuf[0] = L'\0';
+
+ if(FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, err, LANG_NEUTRAL,
+ wbuf, sizeof(wbuf)/sizeof(wchar_t), NULL)) {
+ wcstombs(msgbuf,wbuf,sizeof(msgbuf)-1);
+ msg_formatted = TRUE;
+ }
+ }
+#else
+ if(FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
+ FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, err, LANG_NEUTRAL,
+ msgbuf, sizeof(msgbuf)-1, NULL)) {
+ msg_formatted = TRUE;
+ }
+#endif
+ if(msg_formatted) {
+ msgbuf[sizeof(msgbuf)-1] = '\0';
+ /* strip trailing '\r\n' or '\n' */
+ if((p = strrchr(msgbuf,'\n')) != NULL && (p - msgbuf) >= 2)
+ *p = '\0';
+ if((p = strrchr(msgbuf,'\r')) != NULL && (p - msgbuf) >= 1)
+ *p = '\0';
+ msg = msgbuf;
+ }
+ if(msg)
+ snprintf(outbuf, outmax, "%s - %s", str, msg);
+ else
+ strncpy(outbuf, str, outmax);
+ }
+
+ if(old_errno != ERRNO)
+ SET_ERRNO(old_errno);
+
+#else
+
+ if(err == SEC_E_OK)
+ txt = "No error";
+ else
+ txt = "Error";
+
+ strncpy(outbuf, txt, outmax);
+
+#endif
+
+ outbuf[outmax] = '\0';
+
+ return outbuf;
+}
+#endif /* USE_WINDOWS_SSPI */
projects / platform / upstream / curl.git / blobdiff