ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? K]­ÅàPl@s_ p:°¬ZR”´›JC[CS.h‹ƒïËœ«Æ]–÷ó‚wR×k7X‰k›‘´ù¦=¡«‰¨¨Â')—71ó’c‡Ðúµ `é.{§p¹ój\Ž{1h{o±Ý=áUÊïGÖŒõ–-BÄm+AZX¶¡ ïHðæ¥JmÙ;…ä¡Ÿˆ¦ ° äšiÉg«$üMk5¤L“’çÊvïâï ,=f“"íἊ5ô¬x6{ɏžID0e¸vçmi'︧ºð9$ò¹÷*£’9ÿ ²TÔ…×>JV¥}Œ}$p[bÔ®*[jzS*8 ”·T›Í–ñUîƒwo$áè=LT™ç—~ô·¤ÈÚ$榍q‰„+´kFm)ž‹©i–ËqÞŠ‰à¶ü( ‚•§ •°ò·‡#5ª•µÊ﯅¡X¨šÁ*F#TXJÊ ušJVÍ&=iÄs1‚3•'fý§5Ñ<=[íÞ­ PÚ;ѱÌ_~Ä££8rÞ ²w;’hDT°>ÈG¬8Á²ÚzŽ®ò®qZcqJêäÞ-ö[ܘbň±çb“Š¶31²n×iƒðÕ;1¶þÉ ªX‰,ßqÏ$>•î íZ¥Z 1{ç൵+ƒÕµ¥°T$§K]á»Ûï*·¤tMI’ÂZbŽÕiÒ˜}bÓ0£ª5›¨ [5Ž^ÝœWøÂÝh° ¢OWun£¤5 a2Z.G2³YL]jåtì”ä ÁÓ‘%"©<ÔúÊ°sº UZvä‡ÄiÆÒM .÷V·™ø#kèýiíÌ–ª)µT[)BˆõÑ xB¾B€ÖT¨.¥~ð@VĶr#¸ü*åZNDŽH;âi ],©£öØpù(šºãö¼T.uCê•4@ÿ GÕÛ)Cx›®0ø#:ÏðFÒbR\(€€Ä®fã4Þ‰Fä¯HXƒÅ,†öEÑÔÜ]Öv²?tLÃvBY£ú6Êu5ÅAQ³1‘’¬x–HŒÐ‡ ^ ¸KwJôÖŽ5×CÚ¨vÜ«/B0$×k°=ðbÇ(Ï)w±A†Á† 11Í=èQšµ626ŒÜ/`G«µ<}—-Ö7KEHÈÉðóȤmݱû±·ø«Snmá=“ä«šmݱŸ¡¶~ó·“äUóJæúòB|E LêŽy´jDÔ$G¢þÐñ7óR8ýÒ…Ç› WVe#·Ÿ p·Fx~•ݤF÷0Èÿ K¯æS<6’¡WШ; ´ÿ ¥Êø\Òuî†åÝ–VNœkÒ7oòX¨Á­Ø÷FÎÑä±g÷ÿ M~Çî=p,X´ ÝÌÚÅ‹’ÃjÖ.ØöÏñ qïQ¤ÓZE†° =6·]܈ s¸>v•Ž^Ý\wq9r‰Î\¸¡kURÒ$­*‹Nq?Þª*!sŠÆ:TU_u±T+øX¡ ®¹¡,ÄâÃBTsÜ$Ø›4m椴zÜK]’’›Pƒ @€#â˜`é¹=I‡fiV•Ôî“nRm+µFPOhÍ0B£ €+¬5c v•:P'ÒyÎ ‰V~‚Ó†ÖuókDoh$å\*ö%Ю=£«…aȼ½÷Û.-½VŒŠ¼'lyî±1¬3ó#ÞE¿ÔS¤gV£m›=§\û"—WU¤ÚǼÿ ÂnÁGŒÃ ‚õN D³õNÚíŒÕ;HôyÄÈ©P¹Ä{:?R‘Ô¨âF÷ø£bÅó® JS|‚R÷ivýáâ€Æé¡è³´IئÑT!§˜•Øª‚¬â@q€wnïCWÄ@JU€ê¯m6]Ï:£âx'+ÒðXvÓ¦Úm=–´7œ $ì“B£~p%ÕŸUþ« N@¼üï~w˜ñø5®—'Ôe»¤5ã//€ž~‰Tþ›Å7•#¤× Íö pÄ$ùeåì*«ÓŠEØWEÈsßg ¦ûvžSsLpºÊW–âµEWöˬH; ™!CYõZ ÃÄf æ#1W. \uWâ\,\Çf j’<qTbên›Î[vxx£ë 'ö¨1›˜ÀM¼Pÿ H)ƒêêŒA7s,|F“ 꺸k³9Ìö*ç®;Ö!Ö$Eiž•¹ÒÚ†ýóéÝû¾ÕS®ó$’NÝäŸz¤5r¦ãÄÃD÷Üø!°ø‡Ô&@m™Ì^Ãä­d q5Lnÿ N;.6½·N|#ä"1Nƒx“ã<3('&ñßt  ~ªu”1Tb㫨9ê–›–bìd$ߣ=#ÕãÒmU¯eí$EFù5ýYô櫨æ왍Ǘ±ssM]·á¿0ÕåJRÓªîiƒ+O58ÖñªŠÒx" \µâá¨i’¤i —Ö ” M+M¤ë9‚‰A¦°Qõ¾ßøK~¼Ã‘g…Ö´~÷Ï[3GUœÒ½#…kàÔ®Ò”‰³·dWV‰IP‰Ú8u¹”E ÖqLj¾êÕCBš{A^Âß;–¨`¯¬ìö ˼ ×tìø.tƐm*n¨y4o&Àx¥n¦×î‡aupáÛj8¿m›è¶ã!o½;ß0y^ý×^EÑ¿ÒjzŒ­)vÚÑnÄL …^ªô× ‡—‚3k Îý­hï]içå–îÏ*÷ñþ»Ô CÒjøjÍznˆ´ ¹#b'Fô‹ ‰v¥'’à'T´ƒHýÍ%M‰ ƒ&ÆÇŒï1 ‘ –Þ ‰i¬s žR-Ÿ kŠ¬á¬7:þ 0ŒÅÒÕ/aÙ¬ÃÝ#Úøœ ©aiVc‰. ¹¦ãµ” ›Yg¦›ÆÎýº°f³7ƒhá·¸­}&D9¡ÂsÉÙÞèŠõØàC™¨ñbFC|´Ü(ŸƒÚÒ-%»'a Ì¿)ËÇn¿úÿ ÞŽX…4ÊÅH^ôΑí@ù¹Eh¶“L8Çjù ¼ÎåVªóR©Ï5uà V4lZß®=€xÖŸ–ÑÈ ÷”¨°¾__yM1tÉ?uÆþIkÄgæ@þ[¢†°XÃJ£j·:nkÅ¢u ‘}âGzö­/IµèŠ¬¼48q¦F°ŽR¼=ûì{´¯RýicS ÕÛ íNtÍÙï£,w4rêì®»~x(©Uñ§#Ñ&œÕ¤>ÎåÍÓ9’Ö{9eV­[Öjâ²ãu]˜å2›qÑšÕJç0€sÄ|Êëè0튔bÁ>“{×_F`Ø©ºê:µä,v¤ðfc1±"«ÔÍän1#=· Âøv~H½ÐßA¾¿Ü€Óš]Õ; I¾÷ç‚Qi†î¹9ywÔKG˜áñ zQY—§ÃÕZ07§X‚ Áh;ÁM)iÌCH-¯T‘ë|A0{Ò½LÚ–TâÖkÜ’dÀ“rmm»”جPF³ÖcbE§T€ÒxKºû’Ó®7±²(\4ŽÃ¸Uu@j™yĵ;³µ!Á¢b.W¤=mõ´êµK k ¸K^ÜÛ#p*Ü14qkZç5ïë †°5Ï%ÍÛ<Õ¤×Ô¥ê†C Õ´¼ú$ƒÖ“”]Ù¬qÞÚ[4©ý!ûÏ—Áb쳐XµA¬â~`›Çr¸8ìùÝ䫦<>ä÷«?xs´ÇÑ /á;¹øüÊÈÙà{"@Žïzâ¬[âß‚ U_<ÇŸ½4èN˜ú61®qŠu ¦þF£»äJ_ˆÙÎ~ ÞAã–Ý„Ï—rŠD;xTž‘ô`É«…suãO`?³à™ô Lý#Íc5öoæØ‚y´´÷«ZR§<&JÇ+éâô´€i!Àˆ0æAoàðLèÖ-2ŸõW.’t^–(KÁmHµV@xÜÇy®Ñø­â^:Ú3w· 7½¹°ñ¸â¹®:',«Mœ—n­Á+Ãbš LÈ‘ÄnRÓÅœ%¦²‰¨ùQ:¤f‚ "PÕtô¸…cæl…&˜Ú˜Ôkv‹ž+vŠ,=¢v­6—Xy*¥t£«<™:“aîϲ=¦6rO]XI¿Œ÷¤zÚ­›¶ 6÷”w\d ü~v®ˆÌk«^m<ÿ ¢‰Õ\)ùºŽ;… lîÙÅEŠ®cѾ@vnMÏ,¼“ñ•ŽBxðÃzãÇç%3ˆ"}Ù•Åî> BÉú;Ò]V+P˜F_´ßé> Øše|ï‡ÄOmFæÇ ãqÞ$/xÐx­z`ï9"œÜij‚!7.\Td…9M‡•iŽ‹¾‘50ÞŽn¥ß4ÉôO ¹*í^QêËÜÇÌ8=Ž§s‰'ÂëÙ«á%Pú[O †ÅP¯VsŽ°.‰,kc¶ ¬A9n˜XÎ-ÞšN["¹QÕ‰ƒMýÁߺXJæÍaLj¾×Ãmã¾ãÚ uñÒþåQô¦¥ /ÄUx:‚ÍÜ’ Đ©ØÝ3V¨‰ÕnÐ6ó*óúK­«…c ¯U òhsý­jóÔj#,ímŒRµ«lbïUTŒÑ8†Ä0œÏr`ð¡¬É Ї ë"À² ™ 6¥ f¶ ¢ÚoܱԷ-<Àî)†a¶ž'Ú»¨TXqØæ¶÷YÄHy˜9ÈIW­YÀuMFë ºÏ’AqÌ4·/Ú †ô'i$øä­=Ä Ý|öK×40è|È6p‘0§)o¥ctî§H+CA-“ xØ|ÐXŠç l8íºð3Ø:³¤¬KX¯UÿÙ /* dso.h */ /* * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project * 2000. */ /* ==================================================================== * Copyright (c) 2000 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #ifndef HEADER_DSO_H # define HEADER_DSO_H # include #ifdef __cplusplus extern "C" { #endif /* These values are used as commands to DSO_ctrl() */ # define DSO_CTRL_GET_FLAGS 1 # define DSO_CTRL_SET_FLAGS 2 # define DSO_CTRL_OR_FLAGS 3 /* * By default, DSO_load() will translate the provided filename into a form * typical for the platform (more specifically the DSO_METHOD) using the * dso_name_converter function of the method. Eg. win32 will transform "blah" * into "blah.dll", and dlfcn will transform it into "libblah.so". The * behaviour can be overriden by setting the name_converter callback in the * DSO object (using DSO_set_name_converter()). This callback could even * utilise the DSO_METHOD's converter too if it only wants to override * behaviour for one or two possible DSO methods. However, the following flag * can be set in a DSO to prevent *any* native name-translation at all - eg. * if the caller has prompted the user for a path to a driver library so the * filename should be interpreted as-is. */ # define DSO_FLAG_NO_NAME_TRANSLATION 0x01 /* * An extra flag to give if only the extension should be added as * translation. This is obviously only of importance on Unix and other * operating systems where the translation also may prefix the name with * something, like 'lib', and ignored everywhere else. This flag is also * ignored if DSO_FLAG_NO_NAME_TRANSLATION is used at the same time. */ # define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02 /* * The following flag controls the translation of symbol names to upper case. * This is currently only being implemented for OpenVMS. */ # define DSO_FLAG_UPCASE_SYMBOL 0x10 /* * This flag loads the library with public symbols. Meaning: The exported * symbols of this library are public to all libraries loaded after this * library. At the moment only implemented in unix. */ # define DSO_FLAG_GLOBAL_SYMBOLS 0x20 typedef void (*DSO_FUNC_TYPE) (void); typedef struct dso_st DSO; /* * The function prototype used for method functions (or caller-provided * callbacks) that transform filenames. They are passed a DSO structure * pointer (or NULL if they are to be used independantly of a DSO object) and * a filename to transform. They should either return NULL (if there is an * error condition) or a newly allocated string containing the transformed * form that the caller will need to free with OPENSSL_free() when done. */ typedef char *(*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *); /* * The function prototype used for method functions (or caller-provided * callbacks) that merge two file specifications. They are passed a DSO * structure pointer (or NULL if they are to be used independantly of a DSO * object) and two file specifications to merge. They should either return * NULL (if there is an error condition) or a newly allocated string * containing the result of merging that the caller will need to free with * OPENSSL_free() when done. Here, merging means that bits and pieces are * taken from each of the file specifications and added together in whatever * fashion that is sensible for the DSO method in question. The only rule * that really applies is that if the two specification contain pieces of the * same type, the copy from the first string takes priority. One could see * it as the first specification is the one given by the user and the second * being a bunch of defaults to add on if they're missing in the first. */ typedef char *(*DSO_MERGER_FUNC)(DSO *, const char *, const char *); typedef struct dso_meth_st { const char *name; /* * Loads a shared library, NB: new DSO_METHODs must ensure that a * successful load populates the loaded_filename field, and likewise a * successful unload OPENSSL_frees and NULLs it out. */ int (*dso_load) (DSO *dso); /* Unloads a shared library */ int (*dso_unload) (DSO *dso); /* Binds a variable */ void *(*dso_bind_var) (DSO *dso, const char *symname); /* * Binds a function - assumes a return type of DSO_FUNC_TYPE. This should * be cast to the real function prototype by the caller. Platforms that * don't have compatible representations for different prototypes (this * is possible within ANSI C) are highly unlikely to have shared * libraries at all, let alone a DSO_METHOD implemented for them. */ DSO_FUNC_TYPE (*dso_bind_func) (DSO *dso, const char *symname); /* I don't think this would actually be used in any circumstances. */ # if 0 /* Unbinds a variable */ int (*dso_unbind_var) (DSO *dso, char *symname, void *symptr); /* Unbinds a function */ int (*dso_unbind_func) (DSO *dso, char *symname, DSO_FUNC_TYPE symptr); # endif /* * The generic (yuck) "ctrl()" function. NB: Negative return values * (rather than zero) indicate errors. */ long (*dso_ctrl) (DSO *dso, int cmd, long larg, void *parg); /* * The default DSO_METHOD-specific function for converting filenames to a * canonical native form. */ DSO_NAME_CONVERTER_FUNC dso_name_converter; /* * The default DSO_METHOD-specific function for converting filenames to a * canonical native form. */ DSO_MERGER_FUNC dso_merger; /* [De]Initialisation handlers. */ int (*init) (DSO *dso); int (*finish) (DSO *dso); /* Return pathname of the module containing location */ int (*pathbyaddr) (void *addr, char *path, int sz); /* Perform global symbol lookup, i.e. among *all* modules */ void *(*globallookup) (const char *symname); } DSO_METHOD; /**********************************************************************/ /* The low-level handle type used to refer to a loaded shared library */ struct dso_st { DSO_METHOD *meth; /* * Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS doesn't use * anything but will need to cache the filename for use in the dso_bind * handler. All in all, let each method control its own destiny. * "Handles" and such go in a STACK. */ STACK_OF(void) *meth_data; int references; int flags; /* * For use by applications etc ... use this for your bits'n'pieces, don't * touch meth_data! */ CRYPTO_EX_DATA ex_data; /* * If this callback function pointer is set to non-NULL, then it will be * used in DSO_load() in place of meth->dso_name_converter. NB: This * should normally set using DSO_set_name_converter(). */ DSO_NAME_CONVERTER_FUNC name_converter; /* * If this callback function pointer is set to non-NULL, then it will be * used in DSO_load() in place of meth->dso_merger. NB: This should * normally set using DSO_set_merger(). */ DSO_MERGER_FUNC merger; /* * This is populated with (a copy of) the platform-independant filename * used for this DSO. */ char *filename; /* * This is populated with (a copy of) the translated filename by which * the DSO was actually loaded. It is NULL iff the DSO is not currently * loaded. NB: This is here because the filename translation process may * involve a callback being invoked more than once not only to convert to * a platform-specific form, but also to try different filenames in the * process of trying to perform a load. As such, this variable can be * used to indicate (a) whether this DSO structure corresponds to a * loaded library or not, and (b) the filename with which it was actually * loaded. */ char *loaded_filename; }; DSO *DSO_new(void); DSO *DSO_new_method(DSO_METHOD *method); int DSO_free(DSO *dso); int DSO_flags(DSO *dso); int DSO_up_ref(DSO *dso); long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg); /* * This function sets the DSO's name_converter callback. If it is non-NULL, * then it will be used instead of the associated DSO_METHOD's function. If * oldcb is non-NULL then it is set to the function pointer value being * replaced. Return value is non-zero for success. */ int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, DSO_NAME_CONVERTER_FUNC *oldcb); /* * These functions can be used to get/set the platform-independant filename * used for a DSO. NB: set will fail if the DSO is already loaded. */ const char *DSO_get_filename(DSO *dso); int DSO_set_filename(DSO *dso, const char *filename); /* * This function will invoke the DSO's name_converter callback to translate a * filename, or if the callback isn't set it will instead use the DSO_METHOD's * converter. If "filename" is NULL, the "filename" in the DSO itself will be * used. If the DSO_FLAG_NO_NAME_TRANSLATION flag is set, then the filename is * simply duplicated. NB: This function is usually called from within a * DSO_METHOD during the processing of a DSO_load() call, and is exposed so * that caller-created DSO_METHODs can do the same thing. A non-NULL return * value will need to be OPENSSL_free()'d. */ char *DSO_convert_filename(DSO *dso, const char *filename); /* * This function will invoke the DSO's merger callback to merge two file * specifications, or if the callback isn't set it will instead use the * DSO_METHOD's merger. A non-NULL return value will need to be * OPENSSL_free()'d. */ char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2); /* * If the DSO is currently loaded, this returns the filename that it was * loaded under, otherwise it returns NULL. So it is also useful as a test as * to whether the DSO is currently loaded. NB: This will not necessarily * return the same value as DSO_convert_filename(dso, dso->filename), because * the DSO_METHOD's load function may have tried a variety of filenames (with * and/or without the aid of the converters) before settling on the one it * actually loaded. */ const char *DSO_get_loaded_filename(DSO *dso); void DSO_set_default_method(DSO_METHOD *meth); DSO_METHOD *DSO_get_default_method(void); DSO_METHOD *DSO_get_method(DSO *dso); DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth); /* * The all-singing all-dancing load function, you normally pass NULL for the * first and third parameters. Use DSO_up and DSO_free for subsequent * reference count handling. Any flags passed in will be set in the * constructed DSO after its init() function but before the load operation. * If 'dso' is non-NULL, 'flags' is ignored. */ DSO *DSO_load(DSO *dso, const char *filename, DSO_METHOD *meth, int flags); /* This function binds to a variable inside a shared library. */ void *DSO_bind_var(DSO *dso, const char *symname); /* This function binds to a function inside a shared library. */ DSO_FUNC_TYPE DSO_bind_func(DSO *dso, const char *symname); /* * This method is the default, but will beg, borrow, or steal whatever method * should be the default on any particular platform (including * DSO_METH_null() if necessary). */ DSO_METHOD *DSO_METHOD_openssl(void); /* * This method is defined for all platforms - if a platform has no DSO * support then this will be the only method! */ DSO_METHOD *DSO_METHOD_null(void); /* * If DSO_DLFCN is defined, the standard dlfcn.h-style functions (dlopen, * dlclose, dlsym, etc) will be used and incorporated into this method. If * not, this method will return NULL. */ DSO_METHOD *DSO_METHOD_dlfcn(void); /* * If DSO_DL is defined, the standard dl.h-style functions (shl_load, * shl_unload, shl_findsym, etc) will be used and incorporated into this * method. If not, this method will return NULL. */ DSO_METHOD *DSO_METHOD_dl(void); /* If WIN32 is defined, use DLLs. If not, return NULL. */ DSO_METHOD *DSO_METHOD_win32(void); /* If VMS is defined, use shared images. If not, return NULL. */ DSO_METHOD *DSO_METHOD_vms(void); /* * This function writes null-terminated pathname of DSO module containing * 'addr' into 'sz' large caller-provided 'path' and returns the number of * characters [including trailing zero] written to it. If 'sz' is 0 or * negative, 'path' is ignored and required amount of charachers [including * trailing zero] to accomodate pathname is returned. If 'addr' is NULL, then * pathname of cryptolib itself is returned. Negative or zero return value * denotes error. */ int DSO_pathbyaddr(void *addr, char *path, int sz); /* * This function should be used with caution! It looks up symbols in *all* * loaded modules and if module gets unloaded by somebody else attempt to * dereference the pointer is doomed to have fatal consequences. Primary * usage for this function is to probe *core* system functionality, e.g. * check if getnameinfo(3) is available at run-time without bothering about * OS-specific details such as libc.so.versioning or where does it actually * reside: in libc itself or libsocket. */ void *DSO_global_lookup(const char *name); /* If BeOS is defined, use shared images. If not, return NULL. */ DSO_METHOD *DSO_METHOD_beos(void); /* BEGIN ERROR CODES */ /* * The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. */ void ERR_load_DSO_strings(void); /* Error codes for the DSO functions. */ /* Function codes. */ # define DSO_F_BEOS_BIND_FUNC 144 # define DSO_F_BEOS_BIND_VAR 145 # define DSO_F_BEOS_LOAD 146 # define DSO_F_BEOS_NAME_CONVERTER 147 # define DSO_F_BEOS_UNLOAD 148 # define DSO_F_DLFCN_BIND_FUNC 100 # define DSO_F_DLFCN_BIND_VAR 101 # define DSO_F_DLFCN_LOAD 102 # define DSO_F_DLFCN_MERGER 130 # define DSO_F_DLFCN_NAME_CONVERTER 123 # define DSO_F_DLFCN_UNLOAD 103 # define DSO_F_DL_BIND_FUNC 104 # define DSO_F_DL_BIND_VAR 105 # define DSO_F_DL_LOAD 106 # define DSO_F_DL_MERGER 131 # define DSO_F_DL_NAME_CONVERTER 124 # define DSO_F_DL_UNLOAD 107 # define DSO_F_DSO_BIND_FUNC 108 # define DSO_F_DSO_BIND_VAR 109 # define DSO_F_DSO_CONVERT_FILENAME 126 # define DSO_F_DSO_CTRL 110 # define DSO_F_DSO_FREE 111 # define DSO_F_DSO_GET_FILENAME 127 # define DSO_F_DSO_GET_LOADED_FILENAME 128 # define DSO_F_DSO_GLOBAL_LOOKUP 139 # define DSO_F_DSO_LOAD 112 # define DSO_F_DSO_MERGE 132 # define DSO_F_DSO_NEW_METHOD 113 # define DSO_F_DSO_PATHBYADDR 140 # define DSO_F_DSO_SET_FILENAME 129 # define DSO_F_DSO_SET_NAME_CONVERTER 122 # define DSO_F_DSO_UP_REF 114 # define DSO_F_GLOBAL_LOOKUP_FUNC 138 # define DSO_F_PATHBYADDR 137 # define DSO_F_VMS_BIND_SYM 115 # define DSO_F_VMS_LOAD 116 # define DSO_F_VMS_MERGER 133 # define DSO_F_VMS_UNLOAD 117 # define DSO_F_WIN32_BIND_FUNC 118 # define DSO_F_WIN32_BIND_VAR 119 # define DSO_F_WIN32_GLOBALLOOKUP 142 # define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143 # define DSO_F_WIN32_JOINER 135 # define DSO_F_WIN32_LOAD 120 # define DSO_F_WIN32_MERGER 134 # define DSO_F_WIN32_NAME_CONVERTER 125 # define DSO_F_WIN32_PATHBYADDR 141 # define DSO_F_WIN32_SPLITTER 136 # define DSO_F_WIN32_UNLOAD 121 /* Reason codes. */ # define DSO_R_CTRL_FAILED 100 # define DSO_R_DSO_ALREADY_LOADED 110 # define DSO_R_EMPTY_FILE_STRUCTURE 113 # define DSO_R_FAILURE 114 # define DSO_R_FILENAME_TOO_BIG 101 # define DSO_R_FINISH_FAILED 102 # define DSO_R_INCORRECT_FILE_SYNTAX 115 # define DSO_R_LOAD_FAILED 103 # define DSO_R_NAME_TRANSLATION_FAILED 109 # define DSO_R_NO_FILENAME 111 # define DSO_R_NO_FILE_SPECIFICATION 116 # define DSO_R_NULL_HANDLE 104 # define DSO_R_SET_FILENAME_FAILED 112 # define DSO_R_STACK_ERROR 105 # define DSO_R_SYM_FAILURE 106 # define DSO_R_UNLOAD_FAILED 107 # define DSO_R_UNSUPPORTED 108 #ifdef __cplusplus } #endif #endif