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curl/lib/strerror.c
Linus Nielsen Feltzing 0f147887b0 Multiple pipelines and limiting the number of connections. 
Introducing a number of options to the multi interface that
allows for multiple pipelines to the same host, in order to
optimize the balance between the penalty for opening new
connections and the potential pipelining latency.

Two new options for limiting the number of connections:

CURLMOPT_MAX_HOST_CONNECTIONS - Limits the number of running connections
to the same host. When adding a handle that exceeds this limit,
that handle will be put in a pending state until another handle is
finished, so we can reuse the connection.

CURLMOPT_MAX_TOTAL_CONNECTIONS - Limits the number of connections in total.
When adding a handle that exceeds this limit,
that handle will be put in a pending state until another handle is
finished. The free connection will then be reused, if possible, or
closed if the pending handle can't reuse it.

Several new options for pipelining:

CURLMOPT_MAX_PIPELINE_LENGTH - Limits the pipeling length. If a
pipeline is "full" when a connection is to be reused, a new connection
will be opened if the CURLMOPT_MAX_xxx_CONNECTIONS limits allow it.
If not, the handle will be put in a pending state until a connection is
ready (either free or a pipe got shorter).

CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE - A pipelined connection will not
be reused if it is currently processing a transfer with a content
length that is larger than this.

CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE - A pipelined connection will not
be reused if it is currently processing a chunk larger than this.

CURLMOPT_PIPELINING_SITE_BL - A blacklist of hosts that don't allow
pipelining.

CURLMOPT_PIPELINING_SERVER_BL - A blacklist of server types that don't allow
pipelining.

See the curl_multi_setopt() man page for details.
2013-03-13 23:55:24 +01:00

1123 lines
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2004 - 2012, 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"
#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";
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_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";
/* error codes not used by current libcurl */
case CURLE_OBSOLETE16:
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 == 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_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 == 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" 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;
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);
}
#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 MAXERRSTR_SIZE (150) defined in rtsold.h
*/
{
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().
*/
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 */
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