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-rw-r--r--libcurl/src/lib/strerror.c1139
1 files changed, 1139 insertions, 0 deletions
diff --git a/libcurl/src/lib/strerror.c b/libcurl/src/lib/strerror.c
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index 0000000..b07a534
--- /dev/null
+++ b/libcurl/src/lib/strerror.c
@@ -0,0 +1,1139 @@
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * 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.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#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>
+
+#ifdef USE_LIBIDN
+#include <idna.h>
+#endif
+
+#include "strerror.h"
+#include "curl_printf.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";
+
+ case CURLE_UNSUPPORTED_PROTOCOL:
+ return "Unsupported protocol";
+
+ case CURLE_FAILED_INIT:
+ return "Failed initialization";
+
+ 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_REMOTE_ACCESS_DENIED:
+ return "Access denied to remote resource";
+
+ case CURLE_FTP_ACCEPT_FAILED:
+ return "FTP: The server failed to connect to data port";
+
+ 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_PASS_REPLY:
+ return "FTP: unknown PASS 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_HTTP2:
+ return "Error in the HTTP2 framing layer";
+
+ case CURLE_FTP_COULDNT_SET_TYPE:
+ return "FTP: couldn't set file type";
+
+ 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_QUOTE_ERROR:
+ return "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_UPLOAD_FAILED:
+ return "Upload failed (at start/before it took off)";
+
+ case CURLE_READ_ERROR:
+ return "Failed to open/read local data from file/application";
+
+ case CURLE_OUT_OF_MEMORY:
+ return "Out of memory";
+
+ case CURLE_OPERATION_TIMEDOUT:
+ return "Timeout was reached";
+
+ case CURLE_FTP_PORT_FAILED:
+ return "FTP: command PORT failed";
+
+ case CURLE_FTP_COULDNT_USE_REST:
+ return "FTP: command REST failed";
+
+ case CURLE_RANGE_ERROR:
+ return "Requested range was not delivered by the server";
+
+ 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_FUNCTION_NOT_FOUND:
+ return "A required function in the library was not found";
+
+ case CURLE_ABORTED_BY_CALLBACK:
+ return "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_OPTION:
+ return "An unknown option was passed in to libcurl";
+
+ case CURLE_TELNET_OPTION_SYNTAX :
+ return "Malformed telnet option";
+
+ case CURLE_PEER_FAILED_VERIFICATION:
+ return "SSL peer certificate or SSH remote key 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_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 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 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_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;
+ }
+ /*
+ * 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)
+ 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_ADDED_ALREADY:
+ return "The easy handle is already added to a multi handle";
+
+ 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_NOT_BUILT_IN:
+ return "Feature not enabled in this library";
+
+ case CURLSHE_LAST:
+ break;
+ }
+
+ return "CURLSHcode 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(!err)
+ 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" 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.
+ */
+CURL_STATIC const char *Curl_strerror(struct connectdata *conn, int err)
+{
+ char *buf, *p;
+ size_t max;
+ int old_errno = ERRNO;
+
+ DEBUGASSERT(conn);
+ DEBUGASSERT(err >= 0);
+
+ buf = conn->syserr_buf;
+ max = sizeof(conn->syserr_buf)-1;
+ *buf = '\0';
+
+#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);
+ }
+#elif defined(CURL_WINRT)
+ {
+ wchar_t wbuf[256];
+ wbuf[0] = L'\0';
+
+ FormatMessageW(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) &&
+ !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));
+ 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
+ {
+ char *msg = strerror(err);
+ if(msg)
+ strncpy(buf, msg, max);
+ else
+ snprintf(buf, max, "Unknown error %d", err);
+ }
+#endif
+
+#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';
+
+ 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().
+ */
+CURL_STATIC 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
+CURL_STATIC 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 */