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From Lubomir Rintel <lubo.rin...@gooddata.com>
Subject [PATCH 55178 2/2] mod_authn_ldap: Allow specifying SASL interaction
Date Thu, 11 Jul 2013 22:37:16 GMT
---
 docs/manual/mod/mod_authnz_ldap.xml   |   28 ++++++++++++++
 docs/manual/style/scripts/prettify.js |    2 +-
 include/util_ldap.h                   |    4 +-
 modules/aaa/mod_authnz_ldap.c         |   16 +++++++-
 modules/ldap/util_ldap.c              |   67 +++++++++++++++++++++++++++-----
 5 files changed, 102 insertions(+), 15 deletions(-)

diff --git a/docs/manual/mod/mod_authnz_ldap.xml b/docs/manual/mod/mod_authnz_ldap.xml
index 85e626c..a76882c 100644
--- a/docs/manual/mod/mod_authnz_ldap.xml
+++ b/docs/manual/mod/mod_authnz_ldap.xml
@@ -191,6 +191,14 @@ for HTTP Basic authentication.</description>
         <td>An optional SASL mechanism to use for bind
         with during the search phase.</td>
       </tr>
+
+      <tr>
+        <td><directive
+        module="mod_authnz_ldap">AuthLDAPBindSASLInteract</directive></td>
+
+        <td>An optional command to run when SASL
+        requests interaction to obtain credentials.</td>
+      </tr>
     </table>
 </section>
 
@@ -959,6 +967,26 @@ AuthLDAPBindSASLMech "GSSAPI"
 </directivesynopsis>
 
 <directivesynopsis>
+<name>AuthLDAPBindSASLInteract</name>
+<description>Optional command to run when SASL requests interaction to obtain credentials</description>
+<syntax>AuthLDAPBindSASLInteract <em>command</em></syntax>
+<contextlist><context>directory</context><context>.htaccess</context>
+</contextlist>
+<override>AuthConfig</override>
+
+<usage>
+    <p>An optional command to run when SASL
+    requests interaction to obtain credentials.</p>
+
+<example><pre>
+#Initialize Kerberos Credentials Cache using a key from a keytab for given principal
+AuthLDAPBindSASLInteract "/usr/bin/kinit -k -t /etc/httpd/conf/krb5.keytab host/example.com"
+</pre></example>
+
+</usage>
+</directivesynopsis>
+
+<directivesynopsis>
 <name>AuthLDAPCharsetConfig</name>
 <description>Language to charset conversion configuration file</description>
 <syntax>AuthLDAPCharsetConfig <em>file-path</em></syntax>
diff --git a/docs/manual/style/scripts/prettify.js b/docs/manual/style/scripts/prettify.js
index 97c69c1..5b0c803 100644
--- a/docs/manual/style/scripts/prettify.js
+++ b/docs/manual/style/scripts/prettify.js
@@ -132,7 +132,7 @@ var prettyPrint;
   var SH_KEYWORDS = [FLOW_CONTROL_KEYWORDS, "case,done,elif,esac,eval,fi," +
       "function,in,local,set,then,until,echo"];
   var CONFIG_ENVS = ["User-Agent,HTTP_USER_AGENT,HTTP_REFERER,HTTP_COOKIE,HTTP_FORWARDED,HTTP_HOST,HTTP_PROXY_CONNECTION,HTTP_ACCEPT,REMOTE_ADDR,REMOTE_HOST,REMOTE_PORT,REMOTE_USER,REMOTE_IDENT,REQUEST_METHOD,SCRIPT_FILENAME,PATH_INFO,QUERY_STRING,AUTH_TYPE,DOCUMENT_ROOT,SERVER_ADMIN,SERVER_NAME,SERVER_ADDR,SERVER_PORT,SERVER_PROTOCOL,SERVER_SOFTWARE,TIME_YEAR,TIME_MON,TIME_DAY,TIME_HOUR,TIME_MIN,TIME_SEC,TIME_WDAY,TIME,API_VERSION,THE_REQUEST,REQUEST_URI,REQUEST_FILENAME,IS_SUBREQ,HTTPS,REQUEST_SCHEME"];
-  var CONFIG_KEYWORDS = ["Macro,UndefMacro,Use,AuthLDAPURL,AcceptFilter,AcceptPathInfo,AccessFileName,Action,AddAlt,AddAltByEncoding,AddAltByType,AddCharset,AddDefaultCharset,AddDescription,AddEncoding,AddHandler,AddIcon,AddIconByEncoding,AddIconByType,AddInputFilter,AddLanguage,AddModuleInfo,AddOutputFilter,AddOutputFilterByType,AddType,Alias,AliasMatch,Allow,AllowCONNECT,AllowEncodedSlashes,AllowMethods,AllowOverride,AllowOverrideList,Anonymous,Anonymous_LogEmail,Anonymous_MustGiveEmail,Anonymous_NoUserID,Anonymous_VerifyEmail,AsyncRequestWorkerFactor,AuthBasicAuthoritative,AuthBasicProvider,AuthDBDUserPWQuery,AuthDBDUserRealmQuery,AuthDBMGroupFile,AuthDBMType,AuthDBMUserFile,AuthDigestAlgorithm,AuthDigestDomain,AuthDigestNcCheck,AuthDigestNonceFormat,AuthDigestNonceLifetime,AuthDigestProvider,AuthDigestQop,AuthDigestShmemSize,AuthFormAuthoritative,AuthFormBody,AuthFormDisableNoStore,AuthFormFakeBasicAuth,AuthFormLocation,AuthFormLoginRequiredLocation,AuthFormLoginSuccessLocation,
 AuthFormLogoutLocation,AuthFormMethod,AuthFormMimetype,AuthFormPassword,AuthFormProvider,AuthFormSitePassphrase,AuthFormSize,AuthFormUsername,AuthGroupFile,AuthLDAPAuthorizePrefix,AuthLDAPBindAuthoritative,AuthLDAPBindDN,AuthLDAPBindPassword,AuthLDAPBindSASLMech,AuthLDAPCharsetConfig,AuthLDAPCompareAsUser,AuthLDAPCompareDNOnServer,AuthLDAPDereferenceAliases,AuthLDAPGroupAttribute,AuthLDAPGroupAttributeIsDN,AuthLDAPInitialBindAsUser,AuthLDAPInitialBindPattern,AuthLDAPMaxSubGroupDepth,AuthLDAPRemoteUserAttribute,AuthLDAPRemoteUserIsDN,AuthLDAPSearchAsUser,AuthLDAPSubGroupAttribute,AuthLDAPSubGroupClass,AuthLDAPUrl,AuthMerging,AuthName,AuthnCacheContext,AuthnCacheEnable,AuthnCacheProvideFor,AuthnCacheSOCache,AuthnCacheTimeout,<AuthnProviderAlias>,AuthType,AuthUserFile,AuthzDBDLoginToReferer,AuthzDBDQuery,AuthzDBDRedirectQuery,AuthzDBMType,<AuthzProviderAlias>,AuthzSendForbiddenOnFailure,BalancerGrowth,BalancerMember,BrowserMatch,BrowserMatchNoCase,BufferedLogs,BufferSize,CacheDefaultEx
 pire,CacheDetailHeader,CacheDirLength,CacheDirLevels,CacheDisable,CacheEnable,CacheFile,CacheHeader,CacheIgnoreCacheControl,CacheIgnoreHeaders,CacheIgnoreNoLastMod,CacheIgnoreQueryString,CacheIgnoreURLSessionIdentifiers,CacheKeyBaseURL,CacheLastModifiedFactor,CacheLock,CacheLockMaxAge,CacheLockPath,CacheMaxExpire,CacheMaxFileSize,CacheMinExpire,CacheMinFileSize,CacheNegotiatedDocs,CacheQuickHandler,CacheReadSize,CacheReadTime,CacheRoot,CacheStaleOnError,CacheStoreExpired,CacheStoreNoStore,CacheStorePrivate,CGIMapExtension,CharsetDefault,CharsetOptions,CharsetSourceEnc,CheckCaseOnly,CheckSpelling,ChrootDir,ContentDigest,CookieDomain,CookieExpires,CookieName,CookieStyle,CookieTracking,CoreDumpDirectory,CustomLog,Dav,DavDepthInfinity,DavGenericLockDB,DavLockDB,DavMinTimeout,DBDExptime,DBDInitSQL,DBDKeep,DBDMax,DBDMin,DBDParams,DBDPersist,DBDPrepareSQL,DBDriver,DefaultIcon,DefaultLanguage,DefaultRuntimeDir,DefaultType,Define,DeflateBufferSize,DeflateCompressionLevel,DeflateFilterNote,De
 flateMemLevel,DeflateWindowSize,Deny,<Directory>,DirectoryIndex,DirectoryIndexRedirect,<DirectoryMatch>,DirectorySlash,DocumentRoot,DTracePrivileges,DumpIOInput,DumpIOOutput,<Else>,<ElseIf>,EnableExceptionHook,EnableMMAP,EnableSendfile,Error,ErrorDocument,ErrorLog,ErrorLogFormat,Example,ExpiresActive,ExpiresByType,ExpiresDefault,ExtendedStatus,ExtFilterDefine,ExtFilterOptions,FallbackResource,FileETag,<Files>,<FilesMatch>,FilterChain,FilterDeclare,FilterProtocol,FilterProvider,FilterTrace,ForceLanguagePriority,ForceType,ForensicLog,GprofDir,GracefulShutdownTimeout,Group,Header,HeaderName,HeartbeatAddress,HeartbeatListen,HeartbeatMaxServers,HeartbeatStorage,HeartbeatStorage,HostnameLookups,IdentityCheck,IdentityCheckTimeout,<If>,<IfDefine>,<IfModule>,<IfVersion>,ImapBase,ImapDefault,ImapMenu,Include,IncludeOptional,IndexHeadInsert,IndexIgnore,IndexIgnoreReset,IndexOptions,IndexOrderDefault,IndexStyleSheet,InputSed,ISAPIAppendLogToErrors,ISAPIAppendLogToQuery,ISAPICacheFile,ISAPIFakeA
 sync,ISAPILogNotSupported,ISAPIReadAheadBuffer,KeepAlive,KeepAliveTimeout,KeptBodySize,LanguagePriority,LDAPCacheEntries,LDAPCacheTTL,LDAPConnectionPoolTTL,LDAPConnectionTimeout,LDAPLibraryDebug,LDAPOpCacheEntries,LDAPOpCacheTTL,LDAPReferralHopLimit,LDAPReferrals,LDAPRetries,LDAPRetryDelay,LDAPSharedCacheFile,LDAPSharedCacheSize,LDAPTimeout,LDAPTrustedClientCert,LDAPTrustedGlobalCert,LDAPTrustedMode,LDAPVerifyServerCert,<Limit>,<LimitExcept>,LimitInternalRecursion,LimitRequestBody,LimitRequestFields,LimitRequestFieldSize,LimitRequestLine,LimitXMLRequestBody,Listen,ListenBackLog,LoadFile,LoadModule,<Location>,<LocationMatch>,LogFormat,LogLevel,LogMessage,LuaCodeCache,LuaHookAccessChecker,LuaHookAuthChecker,LuaAuthzProvider,LuaHookCheckUserID,LuaHookFixups,LuaHookInsertFilter,LuaHookMapToStorage,LuaHookTranslateName,LuaHookTypeChecker,LuaInherit,LuaInputFilter,LuaMapHandler,LuaOutputFilter,LuaPackageCPath,LuaPackagePath,LuaQuickHandler,LuaRoot,LuaScope,MaxConnectionsPerChild,MaxKeepAl
 iveRequests,MaxMemFree,MaxRangeOverlaps,MaxRangeReversals,MaxRanges,MaxRequestWorkers,MaxSpareServers,MaxSpareThreads,MaxThreads,MetaDir,MetaFiles,MetaSuffix,MimeMagicFile,MinSpareServers,MinSpareThreads,MMapFile,ModemStandard,ModMimeUsePathInfo,MultiviewsMatch,Mutex,NameVirtualHost,NoProxy,NWSSLTrustedCerts,NWSSLUpgradeable,Options,Order,OutputSed,PassEnv,PidFile,PrivilegesMode,Protocol,ProtocolEcho,<Proxy>,ProxyAddHeaders,ProxyBadHeader,ProxyBlock,ProxyDomain,ProxyErrorOverride,ProxyExpressDBMFile,ProxyExpressDBMType,ProxyExpressEnable,ProxyFtpDirCharset,ProxyFtpEscapeWildcards,ProxyFtpListOnWildcard,ProxyHTMLBufSize,ProxyHTMLCharsetOut,ProxyHTMLDocType,ProxyHTMLEnable,ProxyHTMLEvents,ProxyHTMLExtended,ProxyHTMLFixups,ProxyHTMLInterp,ProxyHTMLLinks,ProxyHTMLStripComments,ProxyHTMLURLMap,ProxyIOBufferSize,<ProxyMatch>,ProxyMaxForwards,ProxyPass,ProxyPassInterpolateEnv,ProxyPassMatch,ProxyPassReverse,ProxyPassReverseCookieDomain,ProxyPassReverseCookiePath,ProxyPreserveHost,ProxyRece
 iveBufferSize,ProxyRemote,ProxyRemoteMatch,ProxyRequests,ProxySCGIInternalRedirect,ProxySCGISendfile,ProxySet,ProxySourceAddress,ProxyStatus,ProxyTimeout,ProxyVia,ReadmeName,ReceiveBufferSize,Redirect,RedirectMatch,RedirectPermanent,RedirectTemp,ReflectorHeader,RemoteIPHeader,RemoteIPInternalProxy,RemoteIPInternalProxyList,RemoteIPProxiesHeader,RemoteIPTrustedProxy,RemoteIPTrustedProxyList,RemoveCharset,RemoveEncoding,RemoveHandler,RemoveInputFilter,RemoveLanguage,RemoveOutputFilter,RemoveType,RequestHeader,RequestReadTimeout,Require,<RequireAll>,<RequireAny>,<RequireNone>,RewriteBase,RewriteCond,RewriteEngine,RewriteMap,RewriteOptions,RewriteRule,RLimitCPU,RLimitMEM,RLimitNPROC,Satisfy,ScoreBoardFile,Script,ScriptAlias,ScriptAliasMatch,ScriptInterpreterSource,ScriptLog,ScriptLogBuffer,ScriptLogLength,ScriptSock,SecureListen,SeeRequestTail,SendBufferSize,ServerAdmin,ServerAlias,ServerLimit,ServerName,ServerPath,ServerRoot,ServerSignature,ServerTokens,Session,SessionCookieName,Sessio
 nCookieName2,SessionCookieRemove,SessionCryptoCipher,SessionCryptoDriver,SessionCryptoPassphrase,SessionCryptoPassphraseFile,SessionDBDCookieName,SessionDBDCookieName2,SessionDBDCookieRemove,SessionDBDDeleteLabel,SessionDBDInsertLabel,SessionDBDPerUser,SessionDBDSelectLabel,SessionDBDUpdateLabel,SessionEnv,SessionExclude,SessionHeader,SessionInclude,SessionMaxAge,SetEnv,SetEnvIf,SetEnvIfExpr,SetEnvIfNoCase,SetHandler,SetInputFilter,SetOutputFilter,SSIEndTag,SSIErrorMsg,SSIETag,SSILastModified,SSILegacyExprParser,SSIStartTag,SSITimeFormat,SSIUndefinedEcho,SSLCACertificateFile,SSLCACertificatePath,SSLCADNRequestFile,SSLCADNRequestPath,SSLCARevocationCheck,SSLCARevocationFile,SSLCARevocationPath,SSLCertificateChainFile,SSLCertificateFile,SSLCertificateKeyFile,SSLCipherSuite,SSLCryptoDevice,SSLEngine,SSLFIPS,SSLHonorCipherOrder,SSLInsecureRenegotiation,SSLOCSPDefaultResponder,SSLOCSPEnable,SSLOCSPOverrideResponder,SSLOCSPResponderTimeout,SSLOCSPResponseMaxAge,SSLOCSPResponseTimeSkew,SSL
 Options,SSLPassPhraseDialog,SSLProtocol,SSLProxyCACertificateFile,SSLProxyCACertificatePath,SSLProxyCARevocationCheck,SSLProxyCARevocationFile,SSLProxyCARevocationPath,SSLProxyCheckPeerCN,SSLProxyCheckPeerExpire,SSLProxyCipherSuite,SSLProxyEngine,SSLProxyMachineCertificateChainFile,SSLProxyMachineCertificateFile,SSLProxyMachineCertificatePath,SSLProxyProtocol,SSLProxyVerify,SSLProxyVerifyDepth,SSLRandomSeed,SSLRenegBufferSize,SSLRequire,SSLRequireSSL,SSLSessionCache,SSLSessionCacheTimeout,SSLSessionTicketKeyFile,SSLStaplingCache,SSLStaplingErrorCacheTimeout,SSLStaplingFakeTryLater,SSLStaplingForceURL,SSLStaplingResponderTimeout,SSLStaplingResponseMaxAge,SSLStaplingResponseTimeSkew,SSLStaplingReturnResponderErrors,SSLStaplingStandardCacheTimeout,SSLStrictSNIVHostCheck,SSLUserName,SSLUseStapling,SSLVerifyClient,SSLVerifyDepth,StartServers,StartThreads,Substitute,Suexec,SuexecUserGroup,ThreadLimit,ThreadsPerChild,ThreadStackSize,TimeOut,TraceEnable,TransferLog,TypesConfig,UnDefine,Unse
 tEnv,UseCanonicalName,UseCanonicalPhysicalPort,User,UserDir,VHostCGIMode,VHostCGIPrivs,VHostGroup,VHostPrivs,VHostSecure,VHostUser,VirtualDocumentRoot,VirtualDocumentRootIP,<VirtualHost>,VirtualScriptAlias,VirtualScriptAliasIP,WatchdogInterval,XBitHack,xml2EncAlias,xml2EncDefault,xml2StartParse,RewriteLog,RewriteLogLevel"];
+  var CONFIG_KEYWORDS = ["Macro,UndefMacro,Use,AuthLDAPURL,AcceptFilter,AcceptPathInfo,AccessFileName,Action,AddAlt,AddAltByEncoding,AddAltByType,AddCharset,AddDefaultCharset,AddDescription,AddEncoding,AddHandler,AddIcon,AddIconByEncoding,AddIconByType,AddInputFilter,AddLanguage,AddModuleInfo,AddOutputFilter,AddOutputFilterByType,AddType,Alias,AliasMatch,Allow,AllowCONNECT,AllowEncodedSlashes,AllowMethods,AllowOverride,AllowOverrideList,Anonymous,Anonymous_LogEmail,Anonymous_MustGiveEmail,Anonymous_NoUserID,Anonymous_VerifyEmail,AsyncRequestWorkerFactor,AuthBasicAuthoritative,AuthBasicProvider,AuthDBDUserPWQuery,AuthDBDUserRealmQuery,AuthDBMGroupFile,AuthDBMType,AuthDBMUserFile,AuthDigestAlgorithm,AuthDigestDomain,AuthDigestNcCheck,AuthDigestNonceFormat,AuthDigestNonceLifetime,AuthDigestProvider,AuthDigestQop,AuthDigestShmemSize,AuthFormAuthoritative,AuthFormBody,AuthFormDisableNoStore,AuthFormFakeBasicAuth,AuthFormLocation,AuthFormLoginRequiredLocation,AuthFormLoginSuccessLocation,
 AuthFormLogoutLocation,AuthFormMethod,AuthFormMimetype,AuthFormPassword,AuthFormProvider,AuthFormSitePassphrase,AuthFormSize,AuthFormUsername,AuthGroupFile,AuthLDAPAuthorizePrefix,AuthLDAPBindAuthoritative,AuthLDAPBindDN,AuthLDAPBindPassword,AuthLDAPBindSASLMech,AuthLDAPBindSASLInteract,AuthLDAPCharsetConfig,AuthLDAPCompareAsUser,AuthLDAPCompareDNOnServer,AuthLDAPDereferenceAliases,AuthLDAPGroupAttribute,AuthLDAPGroupAttributeIsDN,AuthLDAPInitialBindAsUser,AuthLDAPInitialBindPattern,AuthLDAPMaxSubGroupDepth,AuthLDAPRemoteUserAttribute,AuthLDAPRemoteUserIsDN,AuthLDAPSearchAsUser,AuthLDAPSubGroupAttribute,AuthLDAPSubGroupClass,AuthLDAPUrl,AuthMerging,AuthName,AuthnCacheContext,AuthnCacheEnable,AuthnCacheProvideFor,AuthnCacheSOCache,AuthnCacheTimeout,<AuthnProviderAlias>,AuthType,AuthUserFile,AuthzDBDLoginToReferer,AuthzDBDQuery,AuthzDBDRedirectQuery,AuthzDBMType,<AuthzProviderAlias>,AuthzSendForbiddenOnFailure,BalancerGrowth,BalancerMember,BrowserMatch,BrowserMatchNoCase,BufferedLogs,
 BufferSize,CacheDefaultExpire,CacheDetailHeader,CacheDirLength,CacheDirLevels,CacheDisable,CacheEnable,CacheFile,CacheHeader,CacheIgnoreCacheControl,CacheIgnoreHeaders,CacheIgnoreNoLastMod,CacheIgnoreQueryString,CacheIgnoreURLSessionIdentifiers,CacheKeyBaseURL,CacheLastModifiedFactor,CacheLock,CacheLockMaxAge,CacheLockPath,CacheMaxExpire,CacheMaxFileSize,CacheMinExpire,CacheMinFileSize,CacheNegotiatedDocs,CacheQuickHandler,CacheReadSize,CacheReadTime,CacheRoot,CacheStaleOnError,CacheStoreExpired,CacheStoreNoStore,CacheStorePrivate,CGIMapExtension,CharsetDefault,CharsetOptions,CharsetSourceEnc,CheckCaseOnly,CheckSpelling,ChrootDir,ContentDigest,CookieDomain,CookieExpires,CookieName,CookieStyle,CookieTracking,CoreDumpDirectory,CustomLog,Dav,DavDepthInfinity,DavGenericLockDB,DavLockDB,DavMinTimeout,DBDExptime,DBDInitSQL,DBDKeep,DBDMax,DBDMin,DBDParams,DBDPersist,DBDPrepareSQL,DBDriver,DefaultIcon,DefaultLanguage,DefaultRuntimeDir,DefaultType,Define,DeflateBufferSize,DeflateCompressionL
 evel,DeflateFilterNote,DeflateMemLevel,DeflateWindowSize,Deny,<Directory>,DirectoryIndex,DirectoryIndexRedirect,<DirectoryMatch>,DirectorySlash,DocumentRoot,DTracePrivileges,DumpIOInput,DumpIOOutput,<Else>,<ElseIf>,EnableExceptionHook,EnableMMAP,EnableSendfile,Error,ErrorDocument,ErrorLog,ErrorLogFormat,Example,ExpiresActive,ExpiresByType,ExpiresDefault,ExtendedStatus,ExtFilterDefine,ExtFilterOptions,FallbackResource,FileETag,<Files>,<FilesMatch>,FilterChain,FilterDeclare,FilterProtocol,FilterProvider,FilterTrace,ForceLanguagePriority,ForceType,ForensicLog,GprofDir,GracefulShutdownTimeout,Group,Header,HeaderName,HeartbeatAddress,HeartbeatListen,HeartbeatMaxServers,HeartbeatStorage,HeartbeatStorage,HostnameLookups,IdentityCheck,IdentityCheckTimeout,<If>,<IfDefine>,<IfModule>,<IfVersion>,ImapBase,ImapDefault,ImapMenu,Include,IncludeOptional,IndexHeadInsert,IndexIgnore,IndexIgnoreReset,IndexOptions,IndexOrderDefault,IndexStyleSheet,InputSed,ISAPIAppendLogToErrors,ISAPIAppendLogToQuery,
 ISAPICacheFile,ISAPIFakeAsync,ISAPILogNotSupported,ISAPIReadAheadBuffer,KeepAlive,KeepAliveTimeout,KeptBodySize,LanguagePriority,LDAPCacheEntries,LDAPCacheTTL,LDAPConnectionPoolTTL,LDAPConnectionTimeout,LDAPLibraryDebug,LDAPOpCacheEntries,LDAPOpCacheTTL,LDAPReferralHopLimit,LDAPReferrals,LDAPRetries,LDAPRetryDelay,LDAPSharedCacheFile,LDAPSharedCacheSize,LDAPTimeout,LDAPTrustedClientCert,LDAPTrustedGlobalCert,LDAPTrustedMode,LDAPVerifyServerCert,<Limit>,<LimitExcept>,LimitInternalRecursion,LimitRequestBody,LimitRequestFields,LimitRequestFieldSize,LimitRequestLine,LimitXMLRequestBody,Listen,ListenBackLog,LoadFile,LoadModule,<Location>,<LocationMatch>,LogFormat,LogLevel,LogMessage,LuaCodeCache,LuaHookAccessChecker,LuaHookAuthChecker,LuaAuthzProvider,LuaHookCheckUserID,LuaHookFixups,LuaHookInsertFilter,LuaHookMapToStorage,LuaHookTranslateName,LuaHookTypeChecker,LuaInherit,LuaInputFilter,LuaMapHandler,LuaOutputFilter,LuaPackageCPath,LuaPackagePath,LuaQuickHandler,LuaRoot,LuaScope,MaxConn
 ectionsPerChild,MaxKeepAliveRequests,MaxMemFree,MaxRangeOverlaps,MaxRangeReversals,MaxRanges,MaxRequestWorkers,MaxSpareServers,MaxSpareThreads,MaxThreads,MetaDir,MetaFiles,MetaSuffix,MimeMagicFile,MinSpareServers,MinSpareThreads,MMapFile,ModemStandard,ModMimeUsePathInfo,MultiviewsMatch,Mutex,NameVirtualHost,NoProxy,NWSSLTrustedCerts,NWSSLUpgradeable,Options,Order,OutputSed,PassEnv,PidFile,PrivilegesMode,Protocol,ProtocolEcho,<Proxy>,ProxyAddHeaders,ProxyBadHeader,ProxyBlock,ProxyDomain,ProxyErrorOverride,ProxyExpressDBMFile,ProxyExpressDBMType,ProxyExpressEnable,ProxyFtpDirCharset,ProxyFtpEscapeWildcards,ProxyFtpListOnWildcard,ProxyHTMLBufSize,ProxyHTMLCharsetOut,ProxyHTMLDocType,ProxyHTMLEnable,ProxyHTMLEvents,ProxyHTMLExtended,ProxyHTMLFixups,ProxyHTMLInterp,ProxyHTMLLinks,ProxyHTMLStripComments,ProxyHTMLURLMap,ProxyIOBufferSize,<ProxyMatch>,ProxyMaxForwards,ProxyPass,ProxyPassInterpolateEnv,ProxyPassMatch,ProxyPassReverse,ProxyPassReverseCookieDomain,ProxyPassReverseCookiePath,Pr
 oxyPreserveHost,ProxyReceiveBufferSize,ProxyRemote,ProxyRemoteMatch,ProxyRequests,ProxySCGIInternalRedirect,ProxySCGISendfile,ProxySet,ProxySourceAddress,ProxyStatus,ProxyTimeout,ProxyVia,ReadmeName,ReceiveBufferSize,Redirect,RedirectMatch,RedirectPermanent,RedirectTemp,ReflectorHeader,RemoteIPHeader,RemoteIPInternalProxy,RemoteIPInternalProxyList,RemoteIPProxiesHeader,RemoteIPTrustedProxy,RemoteIPTrustedProxyList,RemoveCharset,RemoveEncoding,RemoveHandler,RemoveInputFilter,RemoveLanguage,RemoveOutputFilter,RemoveType,RequestHeader,RequestReadTimeout,Require,<RequireAll>,<RequireAny>,<RequireNone>,RewriteBase,RewriteCond,RewriteEngine,RewriteMap,RewriteOptions,RewriteRule,RLimitCPU,RLimitMEM,RLimitNPROC,Satisfy,ScoreBoardFile,Script,ScriptAlias,ScriptAliasMatch,ScriptInterpreterSource,ScriptLog,ScriptLogBuffer,ScriptLogLength,ScriptSock,SecureListen,SeeRequestTail,SendBufferSize,ServerAdmin,ServerAlias,ServerLimit,ServerName,ServerPath,ServerRoot,ServerSignature,ServerTokens,Session
 ,SessionCookieName,SessionCookieName2,SessionCookieRemove,SessionCryptoCipher,SessionCryptoDriver,SessionCryptoPassphrase,SessionCryptoPassphraseFile,SessionDBDCookieName,SessionDBDCookieName2,SessionDBDCookieRemove,SessionDBDDeleteLabel,SessionDBDInsertLabel,SessionDBDPerUser,SessionDBDSelectLabel,SessionDBDUpdateLabel,SessionEnv,SessionExclude,SessionHeader,SessionInclude,SessionMaxAge,SetEnv,SetEnvIf,SetEnvIfExpr,SetEnvIfNoCase,SetHandler,SetInputFilter,SetOutputFilter,SSIEndTag,SSIErrorMsg,SSIETag,SSILastModified,SSILegacyExprParser,SSIStartTag,SSITimeFormat,SSIUndefinedEcho,SSLCACertificateFile,SSLCACertificatePath,SSLCADNRequestFile,SSLCADNRequestPath,SSLCARevocationCheck,SSLCARevocationFile,SSLCARevocationPath,SSLCertificateChainFile,SSLCertificateFile,SSLCertificateKeyFile,SSLCipherSuite,SSLCryptoDevice,SSLEngine,SSLFIPS,SSLHonorCipherOrder,SSLInsecureRenegotiation,SSLOCSPDefaultResponder,SSLOCSPEnable,SSLOCSPOverrideResponder,SSLOCSPResponderTimeout,SSLOCSPResponseMaxAge,SS
 LOCSPResponseTimeSkew,SSLOptions,SSLPassPhraseDialog,SSLProtocol,SSLProxyCACertificateFile,SSLProxyCACertificatePath,SSLProxyCARevocationCheck,SSLProxyCARevocationFile,SSLProxyCARevocationPath,SSLProxyCheckPeerCN,SSLProxyCheckPeerExpire,SSLProxyCipherSuite,SSLProxyEngine,SSLProxyMachineCertificateChainFile,SSLProxyMachineCertificateFile,SSLProxyMachineCertificatePath,SSLProxyProtocol,SSLProxyVerify,SSLProxyVerifyDepth,SSLRandomSeed,SSLRenegBufferSize,SSLRequire,SSLRequireSSL,SSLSessionCache,SSLSessionCacheTimeout,SSLSessionTicketKeyFile,SSLStaplingCache,SSLStaplingErrorCacheTimeout,SSLStaplingFakeTryLater,SSLStaplingForceURL,SSLStaplingResponderTimeout,SSLStaplingResponseMaxAge,SSLStaplingResponseTimeSkew,SSLStaplingReturnResponderErrors,SSLStaplingStandardCacheTimeout,SSLStrictSNIVHostCheck,SSLUserName,SSLUseStapling,SSLVerifyClient,SSLVerifyDepth,StartServers,StartThreads,Substitute,Suexec,SuexecUserGroup,ThreadLimit,ThreadsPerChild,ThreadStackSize,TimeOut,TraceEnable,TransferLog,
 TypesConfig,UnDefine,UnsetEnv,UseCanonicalName,UseCanonicalPhysicalPort,User,UserDir,VHostCGIMode,VHostCGIPrivs,VHostGroup,VHostPrivs,VHostSecure,VHostUser,VirtualDocumentRoot,VirtualDocumentRootIP,<VirtualHost>,VirtualScriptAlias,VirtualScriptAliasIP,WatchdogInterval,XBitHack,xml2EncAlias,xml2EncDefault,xml2StartParse,RewriteLog,RewriteLogLevel"];
   var CONFIG_OPTIONS = /^[\\+\\-]?(AuthConfig|IncludesNOEXEC|ExecCGI|FollowSymLinks|MultiViews|Includes|Indexes|SymLinksIfOwnerMatch)\b/i;
   var ALL_KEYWORDS = [
       CPP_KEYWORDS, CSHARP_KEYWORDS, JSCRIPT_KEYWORDS, PERL_KEYWORDS +
diff --git a/include/util_ldap.h b/include/util_ldap.h
index 60123b3..efd4130 100644
--- a/include/util_ldap.h
+++ b/include/util_ldap.h
@@ -114,6 +114,7 @@ typedef struct util_ldap_connection_t {
     const char *binddn;                 /* DN to bind to server (can be NULL) */
     const char *bindpw;                 /* Password to bind to server (can be NULL) */
     const char *bindsaslmech;           /* SASL Mechanism to use for server bind (can be
NULL) */
+    char *bindsaslinteract;             /* Command to run when SASL requests interaction
to obtain credentials (can be NULL) */
 
     int bound;                          /* Flag to indicate whether this connection is bound
yet */
 
@@ -239,7 +240,8 @@ APR_DECLARE_OPTIONAL_FN(apr_status_t,uldap_connection_unbind,(void *param));
  *                                                           int netscapessl, int starttls)
  */
 APR_DECLARE_OPTIONAL_FN(util_ldap_connection_t *,uldap_connection_find,(request_rec *r, const
char *host, int port,
-                                                  const char *binddn, const char *bindpw,
const char *bindsaslmech,
+                                                  const char *binddn, const char *bindpw,
+                                                  const char *bindsaslmech, const char *bindsaslinteract,
                                                   deref_options deref, int secure));
 
 /**
diff --git a/modules/aaa/mod_authnz_ldap.c b/modules/aaa/mod_authnz_ldap.c
index cdf06f4..af1f6ce 100644
--- a/modules/aaa/mod_authnz_ldap.c
+++ b/modules/aaa/mod_authnz_ldap.c
@@ -60,6 +60,7 @@ typedef struct {
     char *binddn;                   /* DN to bind to server (can be NULL) */
     char *bindpw;                   /* Password to bind to server (can be NULL) */
     char *bindsaslmech;             /* SASL Mechanism to use for server bind (can be NULL)
*/
+    char *bindsaslinteract;         /* Command to run when SASL requests interaction to obtain
credentials. */
     int bind_authoritative;         /* If true, will return errors when bind fails */
 
     int user_is_dn;                 /* If true, connection->user is DN instead of userid
*/
@@ -346,6 +347,7 @@ static void *create_authnz_ldap_dir_config(apr_pool_t *p, char *d)
     sec->binddn = NULL;
     sec->bindpw = NULL;
     sec->bindsaslmech = NULL;
+    sec->bindsaslinteract = NULL;
     sec->bind_authoritative = 1;
     sec->deref = always;
     sec->group_attrib_is_dn = 1;
@@ -442,6 +444,7 @@ static util_ldap_connection_t *get_connection_for_authz(request_rec *r,
enum aut
     char *binddn = sec->binddn;
     char *bindpw = sec->bindpw;
     char *bindsaslmech = sec->bindsaslmech;
+    char *bindsaslinteract = sec->bindsaslinteract;
 
     /* If the per-request config isn't set, we didn't authenticate this user, and leave the
default credentials */
     if (req && req->password &&
@@ -451,10 +454,12 @@ static util_ldap_connection_t *get_connection_for_authz(request_rec
*r, enum aut
             binddn = req->dn;
             bindpw = req->password;
             bindsaslmech = NULL;
+            bindsaslinteract = NULL;
     }
 
     return util_ldap_connection_find(r, sec->host, sec->port,
-                                     binddn, bindpw, bindsaslmech,
+                                     binddn, bindpw,
+                                     bindsaslmech, bindsaslinteract,
                                      sec->deref, sec->secure);
 }
 /*
@@ -502,14 +507,17 @@ static authn_status authn_ldap_check_password(request_rec *r, const
char *user,
         const char *binddn = sec->binddn;
         const char *bindpw = sec->bindpw;
         const char *bindsaslmech = sec->bindsaslmech;
+        const char *bindsaslinteract = sec->bindsaslinteract;
         if (sec->initial_bind_as_user) {
             bindpw = password;
             binddn = ldap_determine_binddn(r, user);
             bindsaslmech = NULL;
+            bindsaslinteract = NULL;
         }
 
         ldc = util_ldap_connection_find(r, sec->host, sec->port,
-                                       binddn, bindpw, bindsaslmech,
+                                       binddn, bindpw,
+                                       bindsaslmech, bindsaslinteract,
                                        sec->deref, sec->secure);
     }
     else {
@@ -1631,6 +1639,10 @@ static const command_rec authnz_ldap_cmds[] =
                   (void *)APR_OFFSETOF(authn_ldap_config_t, bindsaslmech), OR_AUTHCFG,
                   "SASL Mechanism to use to bind to LDAP server. If not provided, simple
authentication will be done."),
 
+    AP_INIT_TAKE1("AuthLDAPBindSASLInteract", ap_set_string_slot,
+                  (void *)APR_OFFSETOF(authn_ldap_config_t, bindsaslinteract), OR_AUTHCFG,
+                  "Command to run when SASL requests interaction to obtain credentials."),
+
     AP_INIT_FLAG("AuthLDAPBindAuthoritative", ap_set_flag_slot,
                   (void *)APR_OFFSETOF(authn_ldap_config_t, bind_authoritative), OR_AUTHCFG,
                   "Set to 'on' to return failures when user-specific bind fails - defaults
to on."),
diff --git a/modules/ldap/util_ldap.c b/modules/ldap/util_ldap.c
index 535c12a..323983b 100644
--- a/modules/ldap/util_ldap.c
+++ b/modules/ldap/util_ldap.c
@@ -490,18 +490,57 @@ static int uldap_ld_errno(util_ldap_connection_t *ldc)
 }
 
 /*
- * SASL credentials conversation function. Does nothing really useful yet,
- * is around just because it is required.
+ * SASL credentials conversation function.
+ * Calls external helper if specified, otherwise just returns success.
  *
- * Always returns LDAP_SUCCESS
+ * Returns LDAP_SUCCESS on success; and an error code on failure
  */
-
 static int uldap_sasl_interact(LDAP *ld,
                                unsigned flags,
                                void *defaults,
                                void *sasl_interact)
 {
-    return LDAP_SUCCESS;
+    char *bindsaslinteract = (char *)defaults;
+    int ret = LDAP_SUCCESS;
+    apr_pool_t *pool;
+    apr_proc_t proc;
+    apr_procattr_t *procattr;
+    apr_exit_why_e why;
+    int code;
+    char **argv;
+
+    if (bindsaslinteract == NULL)
+        return ret;
+
+    apr_pool_create(&pool, NULL);
+
+    if (apr_tokenize_to_argv(bindsaslinteract, &argv, pool) != APR_SUCCESS) {
+        ret = LDAP_PARAM_ERROR;
+        goto out;
+    }
+
+    if (apr_procattr_create(&procattr, pool) != APR_SUCCESS) {
+        ret = LDAP_LOCAL_ERROR;
+        goto out;
+    }
+
+    if (apr_proc_create(&proc, argv[0],(const char * const*)argv,
+                        NULL, procattr, pool) != APR_SUCCESS) {
+        ret = LDAP_LOCAL_ERROR;
+        goto out;
+    }
+
+    if (apr_proc_wait(&proc, &code, &why, APR_WAIT) != APR_CHILD_DONE) {
+        ret = LDAP_LOCAL_ERROR;
+        goto out;
+    }
+
+    if (why != APR_PROC_EXIT)
+        ret = LDAP_LOCAL_ERROR;
+
+out:
+    apr_pool_destroy(pool);
+    return ret;
 }
 
 /*
@@ -511,8 +550,9 @@ static int uldap_sasl_interact(LDAP *ld,
  *
  * Returns LDAP_SUCCESS on success; and an error code on failure
  */
-static int uldap_bind(util_ldap_connection_t *ldc, char *binddn,
-                      char* bindpw, char *bindsaslmech,
+static int uldap_bind(util_ldap_connection_t *ldc,
+                      char *binddn, char* bindpw,
+                      char *bindsaslmech, char *bindsaslinteract,
                       struct timeval *timeout)
 {
     int rc;
@@ -520,7 +560,7 @@ static int uldap_bind(util_ldap_connection_t *ldc, char *binddn,
     if (bindsaslmech) {
         rc = ldap_sasl_interactive_bind_s(ldc->ldap, binddn, bindsaslmech,
                                           NULL, NULL, LDAP_SASL_QUIET,
-                                          uldap_sasl_interact, NULL);
+                                          uldap_sasl_interact, bindsaslinteract);
         if (rc == -1) {
             ldc->reason = "LDAP: ldap_sasl_interactive_bind_s() failed";
             /* -1 is LDAP_SERVER_DOWN in openldap, use something else */
@@ -614,7 +654,8 @@ static int uldap_connection_open(request_rec *r,
             apr_sleep(st->retry_delay);
         }
         rc = uldap_bind(ldc, (char *)ldc->binddn, (char *)ldc->bindpw,
-                        (char *)ldc->bindsaslmech, st->opTimeout);
+                        (char *)ldc->bindsaslmech, (char *)ldc->bindsaslinteract,
+                        st->opTimeout);
 
         if (rc == LDAP_SUCCESS) break;
 
@@ -718,7 +759,7 @@ static util_ldap_connection_t *
             uldap_connection_find(request_rec *r,
                                   const char *host, int port,
                                   const char *binddn, const char *bindpw,
-                                  const char *bindsaslmech,
+                                  const char *bindsaslmech, const char *bindsaslinteract,
                                   deref_options deref, int secure)
 {
     struct util_ldap_connection_t *l, *p; /* To traverse the linked list */
@@ -754,6 +795,8 @@ static util_ldap_connection_t *
                                              && !strcmp(l->bindpw, bindpw)))
             && ((!l->bindsaslmech && !bindsaslmech) || (l->bindsaslmech
&& bindsaslmech
                                              && !strcmp(l->bindsaslmech, bindsaslmech)))
+            && ((!l->bindsaslinteract && !bindsaslinteract) || (l->bindsaslinteract
&& bindsaslinteract
+                                             && !strcmp(l->bindsaslinteract, bindsaslinteract)))
             && (l->deref == deref) && (l->secure == secureflag)
             && !compare_client_certs(dc->client_certs, l->client_certs))
         {
@@ -814,6 +857,7 @@ static util_ldap_connection_t *
                 util_ldap_strdup((char**)&(l->binddn), binddn);
                 util_ldap_strdup((char**)&(l->bindpw), bindpw);
                 util_ldap_strdup((char**)&(l->bindsaslmech), bindsaslmech);
+                util_ldap_strdup((char**)&(l->bindsaslinteract), bindsaslinteract);
                 break;
             }
 #if APR_HAS_THREADS
@@ -866,6 +910,7 @@ static util_ldap_connection_t *
         util_ldap_strdup((char**)&(l->binddn), binddn);
         util_ldap_strdup((char**)&(l->bindpw), bindpw);
         util_ldap_strdup((char**)&(l->bindsaslmech), bindsaslmech);
+        util_ldap_strdup((char**)&(l->bindsaslinteract), bindsaslinteract);
         l->ChaseReferrals = dc->ChaseReferrals;
         l->ReferralHopLimit = dc->ReferralHopLimit;
 
@@ -1811,7 +1856,7 @@ start_over:
      * fails, it means that the password is wrong (the dn obviously
      * exists, since we just retrieved it)
      */
-    result = uldap_bind(ldc, (char *)*binddn, (char *)bindpw, NULL,
+    result = uldap_bind(ldc, (char *)*binddn, (char *)bindpw, NULL, NULL,
                         st->opTimeout);
     if (AP_LDAP_IS_SERVER_DOWN(result) ||
         (result == LDAP_TIMEOUT && failures == 0)) {
-- 
1.7.1


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