����JFIFXX�����    $.' ",#(7),01444'9=82<.342  2!!22222222222222222222222222222222222222222222222222����"��4�� ���,�PG"Z_�4�˷����kjز�Z�,F+��_z�,�© �����zh6�٨�ic�fu���#ډb���_�N�?��wQ���5-�~�I���8����TK<5o�Iv-�����k�_U_�����~b�M��d����Ӝ�U�Hh��?]��E�w��Q���k�{��_}qFW7HTՑ��Y��F�?_�'ϔ��_�Ջt��=||I ��6�έ"�����D���/[�k�9���Y�8ds|\���Ҿp6�Ҵ���]��.����6�z<�v��@]�i%��$j��~�g��J>��no����pM[me�i$[����s�o�ᘨ�˸ nɜG-�ĨU�ycP�3.DB�li�;��hj���x7Z^�N�h������N3u{�:j�x�힞��#M&��jL P@_���� P��&��o8������9�����@Sz6�t7#O�ߋ �s}Yf�T���lmr����Z)'N��k�۞p����w\�Tȯ?�8`�O��i{wﭹW�[�r�� ��Q4F�׊���3m&L�=��h3����z~��#�\�l :�F,j@�� ʱ�wQT����8�"kJO���6�֚l����}���R�>ډK���]��y����&����p�}b��;N�1�m�r$�|��7�>e�@B�TM*-iH��g�D�)� E�m�|�ؘbҗ�a��Ҿ����t4���o���G��*oCN�rP���Q��@z,|?W[0�����:�n,jWiE��W��$~/�hp\��?��{(�0���+�Y8rΟ�+����>S-S����VN;�}�s?.����� w�9��˟<���Mq4�Wv'��{)0�1mB��V����W[�����8�/<� �%���wT^�5���b��)iM� pg�N�&ݝ��VO~�q���u���9� ����!��J27����$O-���! �:�%H��� ـ����y�ΠM=t{!S�� oK8������t<����è:a������[�����ա�H���~��w��Qz`�po�^ ����Q��n� �,uu�C�$ ^���,������8�#��:�6��e�|~���!�3�3.�\0��q��o�4`.|� ����y�Q�`~;�d�ׯ,��O�Zw�������`73�v�܋�<���Ȏ�� ـ4k��5�K�a�u�=9Yd��$>x�A�&�� j0� ���vF��� Y�|�y��� ~�6�@c��1vOp�Ig����4��l�OD���L����� R���c���j�_�uX6��3?nk��Wy�f;^*B� ��@�~a�`��Eu������+���6�L��.ü>��}y���}_�O�6�͐�:�YrG�X��kG�����l^w���~㒶sy��Iu�!� W ��X��N�7BV��O��!X�2����wvG�R�f�T#�����t�/?���%8�^�W�aT��G�cL�M���I��(J����1~�8�?aT ���]����AS�E��(��*E}� 2��#I/�׍qz��^t�̔���b�Yz4x���t�){ OH��+(E��A&�N�������XT��o��"�XC��'���)}�J�z�p� ��~5�}�^����+�6����w��c��Q�|Lp�d�H��}�(�.|����k��c4^�"�����Z?ȕ ��a<�L�!039C� �Eu�C�F�Ew�ç ;�n?�*o���B�8�bʝ���'#Rqf���M}7����]����s2tcS{�\icTx;�\��7K���P���ʇ Z O-��~��c>"��?�������P��E��O�8��@�8��G��Q�g�a�Վ���󁶠�䧘��_%#r�>�1�z�a��eb��qcPѵ��n���#L��� =��׀t� L�7�`��V���A{�C:�g���e@�w1 Xp3�c3�ġ����p��M"'-�@n4���fG��B3�DJ�8[Jo�ߐ���gK)ƛ��$���� ���8�3�����+���� �����6�ʻ���� ���S�kI�*KZlT _`���?��K����QK�d����B`�s}�>���`��*�>��,*@J�d�oF*����弝��O}�k��s��]��y�ߘ��c1G�V���<=�7��7����6�q�PT��tXԀ�!9*4�4Tހ3XΛex�46���Y��D ����� �BdemDa����\�_l,��G�/���֌7���Y�](�xTt^%�GE�����4�}bT���ڹ�����;Y)���B�Q��u��>J/J �⮶.�XԄ��j�ݳ�+E��d ��r�5�_D�1 ��o�� �B�x�΢�#���<��W�����8���R6�@g�M�.��� dr�D��>(otU��@x=��~v���2� ӣ�d�oBd��3�eO�6�㣷�����ݜ6��6Y��Qz`��S��{���\P�~z m5{J/L��1������<�e�ͅPu�b�]�ϔ���'������f�b� Zpw��c`"��i���BD@:)ִ�:�]��hv�E�w���T�l��P���"Ju�}��وV J��G6��. J/�Qgl߭�e�����@�z�Zev2u�)]կ�����7x���s�M�-<ɯ�c��r�v�����@��$�ޮ}lk���a���'����>x��O\�ZFu>�����ck#��&:��`�$�ai�>2Δ����l���oF[h��lE�ܺ�Πk:)���`�� $[6�����9�����kOw�\|���8}������ބ:��񶐕��I�A1/�=�2[�,�!��.}gN#�u����b��� ~��݊��}34q����d�E��Lc��$��"�[q�U�硬g^��%B �z���r�pJ�ru%v\h1Y�ne`ǥ:g���pQM~�^�Xi� ��`S�:V29.�P���V�?B�k�� AEvw%�_�9C�Q����wKekPؠ�\�;Io d�{ ߞo�c1eP����\� `����E=���@K<�Y���eڼ�J���w����{av�F�'�M�@/J��+9p���|]�����Iw &`��8���&M�hg��[�{��Xj��%��Ӓ�$��(����ʹN���<>�I���RY���K2�NPlL�ɀ)��&e����B+ь����( � �JTx���_?EZ� }@ 6�U���뙢ط�z��dWI�n` D����噥�[��uV��"�G&Ú����2g�}&m��?ċ�"����Om#��������� ��{�ON��"S�X��Ne��ysQ���@Fn��Vg���dX�~nj�]J�<�K]:��FW��b�������62�=��5f����JKw��bf�X�55��~J �%^����:�-�QIE��P��v�nZum� z � ~ə ���� ���ة����;�f��\v���g�8�1��f24;�V���ǔ�)����9���1\��c��v�/'Ƞ�w�������$�4�R-��t���� e�6�/�ġ �̕Ecy�J���u�B���<�W�ַ~�w[B1L۲�-JS΂�{���΃������A��20�c#��@ 0!1@AP"#2Q`$3V�%45a6�FRUq��� ����^7ׅ,$n�������+��F�`��2X'��0vM��p�L=������5��8������u�p~���.�`r�����\���O��,ư�0oS ��_�M�����l���4�kv\JSd���x���SW�<��Ae�IX����������$I���w�:S���y���›R��9�Q[���,�5�;�@]�%���u�@ *ro�lbI �� ��+���%m:�͇ZV�����u�̉����θau<�fc�.����{�4Ա� �Q����*�Sm��8\ujqs]{kN���)qO�y�_*dJ�b�7���yQqI&9�ԌK!�M}�R�;������S�T���1���i[U�ɵz�]��U)V�S6���3$K{�ߊ<�(� E]Զ[ǼENg�����'�\?#)Dkf��J���o��v���'�%ƞ�&K�u�!��b�35LX�Ϸ��63$K�a�;�9>,R��W��3�3� d�JeTYE.Mϧ��-�o�j3+y��y^�c�������VO�9NV\nd�1 ��!͕_)a�v;����թ�M�lWR1��)El��P;��yوÏ�u 3�k�5Pr6<�⒲l�!˞*��u־�n�!�l:����UNW ��%��Chx8vL'��X�@��*��)���̮��ˍ��� ���D-M�+J�U�kvK����+�x8��cY������?�Ԡ��~3mo��|�u@[XeY�C�\Kp�x8�oC�C�&����N�~3-H���� ��MX�s�u<`���~"WL��$8ξ��3���a�)|:@�m�\���^�`�@ҷ)�5p+��6���p�%i)P M���ngc�����#0Aruz���RL+xSS?���ʮ}()#�t��mˇ!��0}}y����<�e� �-ή�Ԩ��X������ MF���ԙ~l L.3���}�V뽺�v�����멬��Nl�)�2����^�Iq��a��M��qG��T�����c3#������3U�Ǎ���}��לS�|qa��ڃ�+���-��2�f����/��bz��ڐ�� �ݼ[2�ç����k�X�2�* �Z�d���J�G����M*9W���s{��w���T��x��y,�in�O�v��]���n����P�$�JB@=4�OTI�n��e�22a\����q�d���%�$��(���:���: /*�K[PR�fr\nڙdN���F�n�$�4�[�� U�zƶ����� �mʋ���,�ao�u 3�z� �x��Kn����\[��VFmbE;�_U��&V�Gg�]L�۪&#n%�$ɯ�dG���D�TI=�%+AB�Ru#��b4�1�»x�cs�YzڙJG��f��Il��d�eF'T� iA��T���uC�$����Y��H?����[!G`}���ͪ� �纤Hv\������j�Ex�K���!���OiƸ�Yj�+u-<���'q����uN�*�r\��+�]���<�wOZ.fp�ێ��,-*)V?j-kÊ#�`�r��dV����(�ݽBk�����G�ƛk�QmUڗe��Z���f}|����8�8��a���i��3'J�����~G_�^���d�8w������ R�`(�~�.��u���l�s+g�bv���W���lGc}��u���afE~1�Ue������Z�0�8�=e�� f@/�jqEKQQ�J��oN��J���W5~M>$6�Lt�;$ʳ{���^��6�{����v6���ķܰg�V�cnn �~z�x�«�,2�u�?cE+Ș�H؎�%�Za�)���X>uW�Tz�Nyo����s���FQƤ��$��*�&�LLXL)�1�" L��eO��ɟ�9=���:t��Z���c��Ž���Y?�ӭV�wv�~,Y��r�ۗ�|�y��GaF�����C�����.�+� ���v1���fήJ�����]�S��T��B��n5sW}y�$��~z�'�c ��8 ��� ,! �p��VN�S��N�N�q��y8z˱�A��4��*��'������2n<�s���^ǧ˭P�Jޮɏ�U�G�L�J�*#��<�V��t7�8����TĜ>��i}K%,���)[��z�21z ?�N�i�n1?T�I�R#��m-�����������������1����lA�`��fT5+��ܐ�c�q՝��ʐ��,���3�f2U�եmab��#ŠdQ�y>\��)�SLY����w#��.���ʑ�f��� ,"+�w�~�N�'�c�O�3F�������N<���)j��&��,-� �љ���֊�_�zS���TǦ����w�>��?�������n��U仆�V���e�����0���$�C�d���rP �m�׈e�Xm�Vu� �L��.�bֹ��� �[Դaզ���*��\y�8�Է:�Ez\�0�Kq�C b��̘��cө���Q��=0Y��s�N��S.���3.���O�o:���#���v7�[#߫ ��5�܎�L���Er4���9n��COWlG�^��0k�%<���ZB���aB_���������'=��{i�v�l�$�uC���mƎҝ{�c㱼�y]���W�i ��ߧc��m�H� m�"�"�����;Y�ߝ�Z�Ǔ�����:S#��|}�y�,/k�Ld� TA�(�AI$+I3��;Y*���Z��}|��ӧO��d�v��..#:n��f>�>���ȶI�TX��� 8��y����"d�R�|�)0���=���n4��6ⲑ�+��r<�O�܂~zh�z����7ܓ�HH�Ga롏���nCo�>������a ���~]���R���̲c?�6(�q�;5%� |�uj�~z8R=X��I�V=�|{v�Gj\gc��q����z�؋%M�ߍ����1y��#��@f^���^�>N�����#x#۹��6�Y~�?�dfPO��{��P�4��V��u1E1J �*|���%���JN��`eWu�zk M6���q t[�� ��g�G���v��WIG��u_ft����5�j�"�Y�:T��ɐ���*�;� e5���4����q$C��2d�}���� _S�L#m�Yp��O�.�C�;��c����Hi#֩%+) �Ӎ��ƲV���SYź��g |���tj��3�8���r|���V��1#;.SQ�A[���S������#���`n�+���$��$I �P\[�@�s��(�ED�z���P��])8�G#��0B��[ى��X�II�q<��9�~[Z멜�Z�⊔IWU&A>�P~�#��dp<�?����7���c��'~���5 ��+$���lx@�M�dm��n<=e�dyX��?{�|Aef ,|n3�<~z�ƃ�uۧ�����P��Y,�ӥQ�*g�#먙R�\���;T��i,��[9Qi歉����c>]9�� ��"�c��P�� �Md?٥��If�ت�u��k��/����F��9�c*9��Ǎ:�ØF���z�n*�@|I�ށ9����N3{'��[�'ͬ�Ҳ4��#}��!�V� Fu��,�,mTIk���v C�7v���B�6k�T9��1�*l� '~��ƞF��lU��'�M ����][ΩũJ_�{�i�I�n��$���L�� j��O�dx�����kza۪��#�E��Cl����x˘�o�����V���ɞ�ljr��)�/,�߬h�L��#��^��L�ф�,íMƁe�̩�NB�L�����iL����q�}��(��q��6IçJ$�W�E$��:������=#����(�K�B����zђ <��K(�N�۫K�w��^O{!����)�H���>x�������lx�?>Պ�+�>�W���,Ly!_�D���Ō�l���Q�!�[ �S����J��1��Ɛ�Y}��b,+�Lo�x�ɓ)����=�y�oh�@�꥟/��I��ѭ=��P�y9��� �ۍYӘ�e+�p�Jnϱ?V\SO%�(�t� ���=?MR�[Ș�����d�/ ��n�l��B�7j� ��!�;ӥ�/�[-���A�>�dN�sLj ��,ɪv��=1c�.SQ�O3�U���ƀ�ܽ�E����������̻��9G�ϷD�7(�}��Ävӌ\�y�_0[w ���<΍>����a_��[0+�L��F.�޺��f�>oN�T����q;���y\��bՃ��y�jH�<|q-eɏ�_?_9+P���Hp$�����[ux�K w�Mw��N�ی'$Y2�=��q���KB��P��~������Yul:�[<����F1�2�O���5=d����]Y�sw:���Ϯ���E��j,_Q��X��z`H1,#II ��d�wr��P˂@�ZJV����y$�\y�{}��^~���[:N����ߌ�U�������O��d�����ؾe��${p>G��3c���Ė�lʌ�� ת��[��`ϱ�-W����dg�I��ig2��� ��}s ��ؤ(%#sS@���~���3�X�nRG�~\jc3�v��ӍL��M[JB�T��s3}��j�Nʖ��W����;7��ç?=X�F=-�=����q�ߚ���#���='�c��7���ڑW�I(O+=:uxq�������������e2�zi+�kuG�R��������0�&e�n���iT^J����~\jy���p'dtG��s����O��3����9* �b#Ɋ�� p������[Bws�T�>d4�ۧs���nv�n���U���_�~,�v����ƜJ1��s�� �QIz��)�(lv8M���U=�;����56��G���s#�K���MP�=��LvyGd��}�VwWBF�'�à �?MH�U�g2�� ����!�p�7Q��j��ڴ����=��j�u��� Jn�A s���uM������e��Ɔ�Ҕ�!)'��8Ϣ�ٔ��ޝ(��Vp���צ֖d=�IC�J�Ǡ{q������kԭ�߸���i��@K����u�|�p=..�*+����x�����z[Aqġ#s2a�Ɗ���RR�)*HRsi�~�a &f��M��P����-K�L@��Z��Xy�'x�{}��Zm+���:�)�) IJ�-i�u���� ���ܒH��'�L(7�y�GӜq���� j��� 6ߌg1�g�o���,kر���tY�?W,���p���e���f�OQS��!K�۟cҒA�|ս�j�>��=⬒��˧L[�� �߿2JaB~R��u�:��Q�] �0H~���]�7��Ƽ�I���(}��cq '�ήET���q�?f�ab���ӥvr� �)o��-Q��_'����ᴎo��K������;��V���o��%���~OK ����*��b�f:���-ťIR��`B�5!RB@���ï�� �u �̯e\�_U�_������� g�ES��3�������QT��a����x����U<~�c?�*�#]�MW,[8O�a�x��]�1bC|踤�P��lw5V%�)�{t�<��d��5���0i�XSU��m:��Z�┵�i�"��1�^B�-��P�hJ��&)O��*�D��c�W��vM��)����}���P��ܗ-q����\mmζZ-l@�}��a��E�6��F�@��&Sg@���ݚ�M����� ȹ 4����#p�\H����dYDo�H���"��\��..R�B�H�z_�/5˘����6��KhJR��P�mƶi�m���3�,#c�co��q�a)*Pt����R�m�k�7x�D�E�\Y�閣_X�<���~�)���c[[�BP����6�Yq���S��0����%_����;��Àv�~�| VS؇ ��'O0��F0��\���U�-�d@�����7�SJ*z��3n��y��P����O���������m�~�P�3|Y��ʉr#�C�<�G~�.,! ���bqx���h~0=��!ǫ�jy����l�O,�[B��~��|9��ٱ����Xly�#�i�B��g%�S��������tˋ���e���ې��\[d�t)��.+u�|1 ������#�~Oj����hS�%��i.�~X���I�H�m��0n���c�1uE�q��cF�RF�o���7� �O�ꮧ� ���ۛ{��ʛi5�rw?׌#Qn�TW��~?y$��m\�\o����%W� ?=>S�N@�� �Ʈ���R����N�)�r"C�:��:����� �����#��qb��Y�. �6[��2K����2u�Ǧ�HYR��Q�MV��� �G�$��Q+.>�����nNH��q�^��� ����q��mM��V��D�+�-�#*�U�̒ ���p욳��u:�������IB���m���PV@O���r[b= �� ��1U�E��_Nm�yKbN�O���U�}�the�`�|6֮P>�\2�P�V���I�D�i�P�O;�9�r�mAHG�W�S]��J*�_�G��+kP�2����Ka�Z���H�'K�x�W�MZ%�O�YD�Rc+o��?�q��Ghm��d�S�oh�\�D�|:W������UA�Qc yT�q������~^�H��/��#p�CZ���T�I�1�ӏT����4��"�ČZ�����}��`w�#�*,ʹ�� ��0�i��課�Om�*�da��^gJ݅{���l�e9uF#T�ֲ��̲�ٞC"�q���ߍ ոޑ�o#�XZTp����@ o�8��(jd��xw�]�,f���`~�|,s��^����f�1���t��|��m�򸄭/ctr��5s��7�9Q�4�H1꠲BB@l9@���C�����+�wp�xu�£Yc�9��?`@#�o�mH�s2��)�=��2�.�l����jg�9$�Y�S�%*L������R�Y������7Z���,*=�䷘$�������arm�o�ϰ���UW.|�r�uf����IGw�t����Zwo��~5 ��YյhO+=8fF�)�W�7�L9lM�̘·Y���֘YLf�큹�pRF���99.A �"wz��=E\Z���'a� 2��Ǚ�#;�'}�G���*��l��^"q��+2FQ� hj��kŦ��${���ޮ-�T�٭cf�|�3#~�RJ����t��$b�(R��(����r���dx� >U b�&9,>���%E\� Ά�e�$��'�q't��*�א���ެ�b��-|d���SB�O�O��$�R+�H�)�܎�K��1m`;�J�2�Y~9��O�g8=vqD`K[�F)k�[���1m޼c��n���]s�k�z$@��)!I �x՝"v��9=�ZA=`Ɠi �:�E��)`7��vI��}d�YI�_ �o�:ob���o ���3Q��&D&�2=�� �Ά��;>�h����y.*ⅥS������Ӭ�+q&����j|UƧ����}���J0��WW< ۋS�)jQR�j���Ư��rN)�Gű�4Ѷ(�S)Ǣ�8��i��W52���No˓� ۍ%�5brOn�L�;�n��\G����=�^U�dI���8$�&���h��'���+�(������cȁ߫k�l��S^���cƗjԌE�ꭔ��gF���Ȓ��@���}O���*;e�v�WV���YJ\�]X'5��ղ�k�F��b 6R�o՜m��i N�i����>J����?��lPm�U��}>_Z&�KK��q�r��I�D�Չ~�q�3fL�:S�e>���E���-G���{L�6p�e,8��������QI��h��a�Xa��U�A'���ʂ���s�+טIjP�-��y�8ۈZ?J$��W�P� ��R�s�]��|�l(�ԓ��sƊi��o(��S0��Y� 8�T97.�����WiL��c�~�dxc�E|�2!�X�K�Ƙਫ਼�$((�6�~|d9u+�qd�^3�89��Y�6L�.I�����?���iI�q���9�)O/뚅����O���X��X�V��ZF[�یgQ�L��K1���RҖr@v�#��X�l��F���Нy�S�8�7�kF!A��sM���^rkp�jP�DyS$N���q��nxҍ!U�f�!eh�i�2�m���`�Y�I�9r�6� �TF���C}/�y�^���Η���5d�'��9A-��J��>{�_l+�`��A���[�'��յ�ϛ#w:݅�%��X�}�&�PSt�Q�"�-��\縵�/����$Ɨh�Xb�*�y��BS����;W�ջ_mc�����vt?2}1�;qS�d�d~u:2k5�2�R�~�z+|HE!)�Ǟl��7`��0�<�,�2*���Hl-��x�^����'_TV�gZA�'j� ^�2Ϊ��N7t�����?w�� �x1��f��Iz�C-Ȗ��K�^q�;���-W�DvT�7��8�Z�������� hK�(P:��Q- �8�n�Z���܃e貾�<�1�YT<�,�����"�6{/ �?�͟��|1�:�#g��W�>$����d��J��d�B��=��jf[��%rE^��il:��B���x���Sּ�1հ��,�=��*�7 fcG��#q� �eh?��2�7�����,�!7x��6�n�LC�4x��},Geǝ�tC.��vS �F�43��zz\��;QYC,6����~;RYS/6���|2���5���v��T��i����������mlv��������&� �nRh^ejR�LG�f���? �ۉҬܦƩ��|��Ȱ����>3����!v��i�ʯ�>�v��オ�X3e���_1z�Kȗ\<������!�8���V��]��?b�k41�Re��T�q��mz��TiOʦ�Z��Xq���L������q"+���2ۨ��8}�&N7XU7Ap�d�X��~�׿��&4e�o�F��� �H����O���č�c�� 懴�6���͉��+)��v;j��ݷ�� �UV�� i��� j���Y9GdÒJ1��詞�����V?h��l����l�cGs�ځ�������y�Ac�����\V3�? �� ܙg�>qH�S,�E�W�[�㺨�uch�⍸�O�}���a��>�q�6�n6����N6�q������N ! 1AQaq�0@����"2BRb�#Pr���3C`��Scst���$4D���%Td�� ?���N����a��3��m���C���w��������xA�m�q�m���m������$����4n淿t'��C"w��zU=D�\R+w�p+Y�T�&�պ@��ƃ��3ޯ?�Aﶂ��aŘ���@-�����Q�=���9D��ռ�ѻ@��M�V��P��܅�G5�f�Y<�u=,EC)�<�Fy'�"�&�չ�X~f��l�KԆV��?�� �W�N����=(� �;���{�r����ٌ�Y���h{�١������jW����P���Tc�����X�K�r��}���w�R��%��?���E��m�� �Y�q|����\lEE4���r���}�lsI�Y������f�$�=�d�yO����p�����yBj8jU�o�/�S��?�U��*������ˍ�0������u�q�m [�?f����a�� )Q�>����6#������� ?����0UQ����,IX���(6ڵ[�DI�MNލ�c&���υ�j\��X�R|,4��� j������T�hA�e��^���d���b<����n�� �즇�=!���3�^�`j�h�ȓr��jẕ�c�,ٞX����-����a�ﶔ���#�$��]w�O��Ӫ�1y%��L�Y<�wg#�ǝ�̗`�x�xa�t�w��»1���o7o5��>�m뭛C���Uƃߜ}�C���y1Xνm�F8�jI���]����H���ۺиE@I�i;r�8ӭ����V�F�Շ| ��&?�3|x�B�MuS�Ge�=Ӕ�#BE5G�����Y!z��_e��q�р/W>|-�Ci߇�t�1ޯќd�R3�u��g�=0 5��[?�#͏��q�cf���H��{ ?u�=?�?ǯ���}Z��z���hmΔ�BFTW�����<�q�(v� ��!��z���iW]*�J�V�z��gX֧A�q�&��/w���u�gYӘa���; �i=����g:��?2�dž6�ى�k�4�>�Pxs����}������G�9��3 ���)gG�R<>r h�$��'nc�h�P��Bj��J�ҧH� -��N1���N��?��~��}-q!=��_2hc�M��l�vY%UE�@|�v����M2�.Y[|y�"Eï��K�ZF,�ɯ?,q�?v�M 80jx�"�;�9vk�����+ ֧�� �ȺU��?�%�vcV��mA�6��Qg^M����A}�3�nl� QRN�l8�kkn�'�����(��M�7m9و�q���%ޟ���*h$Zk"��$�9��: �?U8�Sl��,,|ɒ��xH(ѷ����Gn�/Q�4�P��G�%��Ա8�N��!� �&�7�;���eKM7�4��9R/%����l�c>�x;������>��C�:�����t��h?aKX�bhe�ᜋ^�$�Iհ �hr7%F$�E��Fd���t��5���+�(M6�t����Ü�UU|zW�=a�Ts�Tg������dqP�Q����b'�m���1{|Y����X�N��b �P~��F^F:����k6�"�j!�� �I�r�`��1&�-$�Bevk:y���#yw��I0��x��=D�4��tU���P�ZH��ڠ底taP��6����b>�xa����Q�#� WeF��ŮNj�p�J* mQ�N����*I�-*�ȩ�F�g�3 �5��V�ʊ�ɮ�a��5F���O@{���NX��?����H�]3��1�Ri_u��������ѕ�� ����0��� F��~��:60�p�͈�S��qX#a�5>���`�o&+�<2�D����: �������ڝ�$�nP���*)�N�|y�Ej�F�5ټ�e���ihy�Z �>���k�bH�a�v��h�-#���!�Po=@k̆IEN��@��}Ll?j�O������߭�ʞ���Q|A07x���wt!xf���I2?Z��<ץ�T���cU�j��]��陎Ltl �}5�ϓ��$�,��O�mˊ�;�@O��jE��j(�ا,��LX���LO���Ц�90�O �.����a��nA���7������j4 ��W��_ٓ���zW�jcB������y՗+EM�)d���N�g6�y1_x��p�$Lv:��9�"z��p���ʙ$��^��JԼ*�ϭ����o���=x�Lj�6�J��u82�A�H�3$�ٕ@�=Vv�]�'�qEz�;I˼��)��=��ɯ���x �/�W(V���p�����$ �m�������u�����񶤑Oqˎ�T����r��㠚x�sr�GC��byp�G��1ߠ�w e�8�$⿄����/�M{*}��W�]˷.�CK\�ުx���/$�WPw���r� |i���&�}�{�X� �>��$-��l���?-z���g����lΆ���(F���h�vS*���b���߲ڡn,|)mrH[���a�3�ר�[1��3o_�U�3�TC�$��(�=�)0�kgP���� ��u�^=��4 �WYCҸ:��vQ�ר�X�à��tk�m,�t*��^�,�}D*� �"(�I��9R����>`�`��[~Q]�#af��i6l��8���6�:,s�s�N6�j"�A4���IuQ��6E,�GnH��zS�HO�uk�5$�I�4��ؤ�Q9�@��C����wp�BGv[]�u�Ov���0I4���\��y�����Q�Ѹ��~>Z��8�T��a��q�ޣ;z��a���/��S��I:�ܫ_�|������>=Z����8:�S��U�I�J��"IY���8%b8���H��:�QO�6�;7�I�S��J��ҌAά3��>c���E+&jf$eC+�z�;��V����� �r���ʺ������my�e���aQ�f&��6�ND��.:��NT�vm�<- u���ǝ\MvZY�N�NT��-A�>jr!S��n�O 1�3�Ns�%�3D@���`������ܟ 1�^c<���� �a�ɽ�̲�Xë#�w�|y�cW�=�9I*H8�p�^(4���՗�k��arOcW�tO�\�ƍR��8����'�K���I�Q�����?5�>[�}��yU�ײ -h��=��% q�ThG�2�)���"ו3]�!kB��*p�FDl�A���,�eEi�H�f�Ps�����5�H:�Փ~�H�0Dت�D�I����h�F3�������c��2���E��9�H��5�zԑ�ʚ�i�X�=:m�xg�hd(�v����׊�9iS��O��d@0ڽ���:�p�5�h-��t�&���X�q�ӕ,��ie�|���7A�2���O%P��E��htj��Y1��w�Ѓ!����  ���� ࢽ��My�7�\�a�@�ţ�J �4�Ȼ�F�@o�̒?4�wx��)��]�P��~�����u�����5�����7X ��9��^ܩ�U;Iꭆ 5 �������eK2�7(�{|��Y׎ �V��\"���Z�1� Z�����}��(�Ǝ"�1S���_�vE30>���p;� ΝD��%x�W�?W?v����o�^V�i�d��r[��/&>�~`�9Wh��y�;���R��� ;;ɮT��?����r$�g1�K����A��C��c��K��l:�'��3 c�ﳯ*"t8�~l��)���m��+U,z��`(�>yJ�?����h>��]��v��ЍG*�{`��;y]��I�T� ;c��NU�fo¾h���/$���|NS���1�S�"�H��V���T���4��uhǜ�]�v;���5�͠x��'C\�SBpl���h}�N����� A�Bx���%��ޭ�l��/����T��w�ʽ]D�=����K���ž�r㻠l4�S�O?=�k �M:� ��c�C�a�#ha���)�ѐxc�s���gP�iG��{+���x���Q���I= �� z��ԫ+ �8"�k�ñ�j=|����c ��y��CF��/��*9ж�h{ �?4�o� ��k�m�Q�N�x��;�Y��4膚�a�w?�6�>e]�����Q�r�:����g�,i"�����ԩA�*M�<�G��b�if��l^M��5� �Ҩ�{����6J��ZJ�����P�*�����Y���ݛu�_4�9�I8�7���������,^ToR���m4�H��?�N�S�ѕw��/S��甍�@�9H�S�T��t�ƻ���ʒU��*{Xs�@����f�����֒Li�K{H�w^���������Ϥm�tq���s� ���ք��f:��o~s��g�r��ט� �S�ѱC�e]�x���a��) ���(b-$(�j>�7q�B?ӕ�F��hV25r[7 Y� }L�R��}����*sg+��x�r�2�U=�*'WS��ZDW]�WǞ�<��叓���{�$�9Ou4��y�90-�1�'*D`�c�^o?(�9��u���ݐ��'PI&� f�Jݮ�������:wS����jfP1F:X �H�9dԯ���˝[�_54 �}*;@�ܨ�� ð�yn�T���?�ןd�#���4rG�ͨ��H�1�|-#���Mr�S3��G�3�����)�.᧏3v�z֑��r����$G"�`j �1t��x0<Ɔ�Wh6�y�6��,œ�Ga��gA����y��b��)��h�D��ß�_�m��ü �gG;��e�v��ݝ�nQ� ��C����-�*��o���y�a��M��I�>�<���]obD��"�:���G�A��-\%LT�8���c�)��+y76���o�Q�#*{�(F�⽕�y����=���rW�\p���۩�c���A���^e6��K������ʐ�cVf5$�'->���ՉN"���F�"�UQ@�f��Gb~��#�&�M=��8�ט�JNu9��D��[̤�s�o�~������ G��9T�tW^g5y$b��Y'��س�Ǵ�=��U-2 #�MC�t(�i� �lj�@Q 5�̣i�*�O����s�x�K�f��}\��M{E�V�{�υ��Ƈ�����);�H����I��fe�Lȣr�2��>��W�I�Ȃ6������i��k�� �5�YOxȺ����>��Y�f5'��|��H+��98pj�n�.O�y�������jY��~��i�w'������l�;�s�2��Y��:'lg�ꥴ)o#'Sa�a�K��Z� �m��}�`169�n���"���x��I ��*+� }F<��cГ���F�P�������ֹ*�PqX�x۩��,� ��N�� �4<-����%����:��7����W���u�`����� $�?�I��&����o��o��`v�>��P��"��l���4��5'�Z�gE���8���?��[�X�7(��.Q�-��*���ތL@̲����v��.5���[��=�t\+�CNܛ��,g�SQnH����}*F�G16���&:�t��4ُ"A��̣��$�b �|����#rs��a�����T�� ]�<�j��BS�('$�ɻ� �wP;�/�n��?�ݜ��x�F��yUn�~mL*-�������Xf�wd^�a�}��f�,=t�׵i�.2/wpN�Ep8�OР���•��R�FJ� 55TZ��T �ɭ�<��]��/�0�r�@�f��V��V����Nz�G��^���7hZi����k��3�,kN�e|�vg�1{9]_i��X5y7� 8e]�U����'�-2,���e"����]ot�I��Y_��n�(JҼ��1�O ]bXc���Nu�No��pS���Q_���_�?i�~�x h5d'�(qw52] ��'ޤ�q��o1�R!���`ywy�A4u���h<קy���\[~�4�\ X�Wt/� 6�����n�F�a8��f���z �3$�t(���q��q�x��^�XWeN'p<-v�!�{�(>ӽDP7��ո0�y)�e$ٕv�Ih'Q�EA�m*�H��RI��=:��� ���4牢) �%_iN�ݧ�l]� �Nt���G��H�L��� ɱ�g<���1V�,�J~�ٹ�"K��Q�� 9�HS�9�?@��k����r�;we݁�]I�!{ �@�G�[�"��`���J:�n]�{�cA�E����V��ʆ���#��U9�6����j�#Y�m\��q�e4h�B�7��C�������d<�?J����1g:ٳ���=Y���D�p�ц� ׈ǔ��1�]26؜oS�'��9�V�FVu�P�h�9�xc�oq�X��p�o�5��Ա5$�9W�V(�[Ak�aY錎qf;�'�[�|���b�6�Ck��)��#a#a˙��8���=äh�4��2��C��4tm^ �n'c���]GQ$[Wҿ��i���vN�{Fu ��1�gx��1┷���N�m��{j-,��x�� Ūm�ЧS�[�s���Gna���䑴�� x�p 8<������97�Q���ϴ�v�aϚG��Rt�Һ׈�f^\r��WH�JU�7Z���y)�vg=����n��4�_)y��D'y�6�]�c�5̪�\� �PF�k����&�c;��cq�$~T�7j ���nç]�<�g ":�to�t}�159�<�/�8������m�b�K#g'I'.W�����6��I/��>v��\�MN��g���m�A�yQL�4u�Lj�j9��#44�t��l^�}L����n��R��!��t��±]��r��h6ٍ>�yҏ�N��fU�� ���� Fm@�8}�/u��jb9������he:A�y�ծw��GpΧh�5����l}�3p468��)U��d��c����;Us/�֔�YX�1�O2��uq�s��`hwg�r~�{ R��mhN��؎*q 42�*th��>�#���E����#��Hv�O����q�}�����6�e��\�,Wk�#���X��b>��p}�դ��3���T5��†��6��[��@�P�y*n��|'f�֧>�lư΂�̺����SU�'*�q�p�_S�����M�� '��c�6�����m�� ySʨ;M��r���Ƌ�m�Kxo,���Gm�P��A�G�:��i��w�9�}M(�^�V��$ǒ�ѽ�9���|���� �a����J�SQ�a���r�B;����}���ٻ֢�2�%U���c�#�g���N�a�ݕ�'�v�[�OY'��3L�3�;,p�]@�S��{ls��X�'���c�jw�k'a�.��}�}&�� �dP�*�bK=ɍ!����;3n�gΊU�ߴmt�'*{,=SzfD� A��ko~�G�aoq�_mi}#�m�������P�Xhύ����mxǍ�΂���巿zf��Q���c���|kc�����?���W��Y�$���_Lv����l߶��c���`?����l�j�ݲˏ!V��6����U�Ђ(A���4y)H���p�Z_�x��>���e��R��$�/�`^'3qˏ�-&Q�=?��CFVR �D�fV�9��{�8g�������n�h�(P"��6�[�D���< E�����~0<@�`�G�6����Hг�cc�� �c�K.5��D��d�B���`?�XQ��2��ٿyqo&+�1^� DW�0�ꊩ���G�#��Q�nL3��c���������/��x ��1�1[y�x�პCW��C�c�UĨ80�m�e�4.{�m��u���I=��f�����0QRls9���f���������9���~f�����Ǩ��a�"@�8���ȁ�Q����#c�ic������G��$���G���r/$W�(��W���V�"��m�7�[m�A�m����bo��D� j����۳� l���^�k�h׽����� ��#� iXn�v��eT�k�a�^Y�4�BN��ĕ��0 !01@Q"2AaPq3BR������?���@4�Q�����T3,���㺠�W�[=JK�Ϟ���2�r^7��vc�:�9 �E�ߴ�w�S#d���Ix��u��:��Hp��9E!�� V 2;73|F��9Y���*ʬ�F��D����u&���y؟��^EA��A��(ɩ���^��GV:ݜDy�`��Jr29ܾ�㝉��[���E;Fzx��YG��U�e�Y�C���� ����v-tx����I�sם�Ę�q��Eb�+P\ :>�i�C'�;�����k|z�رn�y]�#ǿb��Q��������w�����(�r|ӹs��[�D��2v-%��@;�8<a���[\o[ϧw��I!��*0�krs)�[�J9^��ʜ��p1)� "��/_>��o��<1����A�E�y^�C��`�x1'ܣn�p��s`l���fQ��):�l����b>�Me�jH^?�kl3(�z:���1ŠK&?Q�~�{�ٺ�h�y���/�[��V�|6��}�KbX����mn[-��7�5q�94�������dm���c^���h� X��5��<�eޘ>G���-�}�دB�ޟ� ��|�rt�M��V+�]�c?�-#ڛ��^ǂ}���Lkr���O��u�>�-D�ry� D?:ޞ�U��ǜ�7�V��?瓮�"�#���r��չģVR;�n���/_� ؉v�ݶe5d�b9��/O��009�G���5n�W����JpA�*�r9�>�1��.[t���s�F���nQ� V 77R�]�ɫ8����_0<՜�IF�u(v��4��F�k�3��E)��N:��yڮe��P�`�1}�$WS��J�SQ�N�j�ٺ��޵�#l���ј(�5=��5�lǏmoW�v-�1����v,W�mn��߀$x�<����v�j(����c]��@#��1������Ǔ���o'��u+����;G�#�޸��v-lη��/(`i⣍Pm^���ԯ̾9Z��F��������n��1��� ��]�[��)�'������:�֪�W��FC����� �B9،!?���]��V��A�Վ�M��b�w��G F>_DȬ0¤�#�QR�[V��kz���m�w�"��9ZG�7'[��=�Q����j8R?�zf�\a�=��O�U����*oB�A�|G���2�54 �p��.w7� �� ��&������ξxGHp� B%��$g�����t�Џ򤵍z���HN�u�Я�-�'4��0��;_��3 !01"@AQa2Pq#3BR������?��ʩca��en��^��8���<�u#��m*08r��y�N"�<�Ѳ0��@\�p��� �����Kv�D��J8�Fҽ� �f�Y��-m�ybX�NP����}�!*8t(�OqѢ��Q�wW�K��ZD��Δ^e��!� ��B�K��p~�����e*l}z#9ң�k���q#�Ft�o��S�R����-�w�!�S���Ӥß|M�l޶V��!eˈ�8Y���c�ЮM2��tk���� ������J�fS����Ö*i/2�����n]�k�\���|4yX�8��U�P.���Ы[���l��@"�t�<������5�lF���vU�����W��W��;�b�cД^6[#7@vU�xgZv��F�6��Q,K�v��� �+Ъ��n��Ǣ��Ft���8��0��c�@�!�Zq s�v�t�;#](B��-�nῃ~���3g������5�J�%���O������n�kB�ĺ�.r��+���#�N$?�q�/�s�6��p��a����a��J/��M�8��6�ܰ"�*������ɗud"\w���aT(����[��F��U՛����RT�b���n�*��6���O��SJ�.�ij<�v�MT��R\c��5l�sZB>F��<7�;EA��{��E���Ö��1U/�#��d1�a�n.1ě����0�ʾR�h��|�R��Ao�3�m3 ��%�� ���28Q� ��y��φ���H�To�7�lW>����#i`�q���c����a��� �m,B�-j����݋�'mR1Ήt�>��V��p���s�0IbI�C.���1R�ea�����]H�6����������4B>��o��](��$B���m�����a�!=��?�B� K�Ǿ+�Ծ"�n���K��*��+��[T#�{E�J�S����Q�����s�5�:�U�\wĐ�f�3����܆&�)����I���Ԇw��E T�lrTf6Q|R�h:��[K�� �z��c֧�G�C��%\��_�a�84��HcO�bi��ؖV��7H �)*ģK~Xhչ0��4?�0��� �E<���}3���#���u�?�� ��|g�S�6ꊤ�|�I#Hڛ� �ա��w�X��9��7���Ŀ%�SL��y6č��|�F�a 8���b��$�sק�h���b9RAu7�˨p�Č�_\*w��묦��F ����4D~�f����|(�"m���NK��i�S�>�$d7SlA��/�²����SL��|6N�}���S�˯���g��]6��; �#�.��<���q'Q�1|KQ$�����񛩶"�$r�b:���N8�w@��8$�� �AjfG|~�9F ���Y��ʺ��Bwؒ������M:I岎�G��`s�YV5����6��A �b:�W���G�q%l�����F��H���7�������Fsv7��k�� 403WebShell
403Webshell
Server IP : 51.161.54.47  /  Your IP : 216.73.216.114
Web Server : Apache/2.4.68 (Unix) OpenSSL/1.1.1k
System : Linux host.ditinformatica.ar 4.18.0-553.144.1.el8_10.x86_64 #1 SMP Tue Jul 14 09:26:58 EDT 2026 x86_64
User : kalaycom ( 1021)
PHP Version : 7.4.33
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : ON
Directory :  /usr/local/imap-2007f/lib/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :


[ Back ]     

Current File : /usr/local/imap-2007f/lib/pop3.c
/* ========================================================================
 * Copyright 1988-2007 University of Washington
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 
 * ========================================================================
 */

/*
 * Program:	Post Office Protocol 3 (POP3) client routines
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: MRC@CAC.Washington.EDU
 *
 * Date:	6 June 1994
 * Last Edited:	4 April 2007
 */


#include <ctype.h>
#include <stdio.h>
#include <time.h>
#include "c-client.h"
#include "flstring.h"
#include "netmsg.h"

/* Parameters */

#define POP3TCPPORT (long) 110	/* assigned TCP contact port */
#define POP3SSLPORT (long) 995	/* assigned SSL TCP contact port */
#define IDLETIMEOUT (long) 10	/* defined in RFC 1939 */


/* POP3 I/O stream local data */
	
typedef struct pop3_local {
  NETSTREAM *netstream;		/* TCP I/O stream */
  char *response;		/* last server reply */
  char *reply;			/* text of last server reply */
  unsigned long cached;		/* current cached message uid */
  unsigned long hdrsize;	/* current cached header size */
  FILE *txt;			/* current cached file descriptor */
  struct {
    unsigned int capa : 1;	/* server has CAPA, definitely new */
    unsigned int expire : 1;	/* server has EXPIRE */
    unsigned int logindelay : 1;/* server has LOGIN-DELAY */
    unsigned int stls : 1;	/* server has STLS */
    unsigned int pipelining : 1;/* server has PIPELINING */
    unsigned int respcodes : 1;	/* server has RESP-CODES */
    unsigned int top : 1;	/* server has TOP */
    unsigned int uidl : 1;	/* server has UIDL */
    unsigned int user : 1;	/* server has USER */
    char *implementation;	/* server implementation string */
    long delaysecs;		/* minimum time between login (neg variable) */
    long expiredays;		/* server-guaranteed minimum retention days */
				/* supported authenticators */
    unsigned int sasl : MAXAUTHENTICATORS;
  } cap;
  unsigned int sensitive : 1;	/* sensitive data in progress */
  unsigned int loser : 1;	/* server is a loser */
  unsigned int saslcancel : 1;	/* SASL cancelled by protocol */
} POP3LOCAL;


/* Convenient access to local data */

#define LOCAL ((POP3LOCAL *) stream->local)

/* Function prototypes */

DRIVER *pop3_valid (char *name);
void *pop3_parameters (long function,void *value);
void pop3_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents);
void pop3_list (MAILSTREAM *stream,char *ref,char *pat);
void pop3_lsub (MAILSTREAM *stream,char *ref,char *pat);
long pop3_subscribe (MAILSTREAM *stream,char *mailbox);
long pop3_unsubscribe (MAILSTREAM *stream,char *mailbox);
long pop3_create (MAILSTREAM *stream,char *mailbox);
long pop3_delete (MAILSTREAM *stream,char *mailbox);
long pop3_rename (MAILSTREAM *stream,char *old,char *newname);
long pop3_status (MAILSTREAM *stream,char *mbx,long flags);
MAILSTREAM *pop3_open (MAILSTREAM *stream);
long pop3_capa (MAILSTREAM *stream,long flags);
long pop3_auth (MAILSTREAM *stream,NETMBX *mb,char *pwd,char *usr);
void *pop3_challenge (void *stream,unsigned long *len);
long pop3_response (void *stream,char *s,unsigned long size);
void pop3_close (MAILSTREAM *stream,long options);
void pop3_fetchfast (MAILSTREAM *stream,char *sequence,long flags);
char *pop3_header (MAILSTREAM *stream,unsigned long msgno,unsigned long *size,
		   long flags);
long pop3_text (MAILSTREAM *stream,unsigned long msgno,STRING *bs,long flags);
unsigned long pop3_cache (MAILSTREAM *stream,MESSAGECACHE *elt);
long pop3_ping (MAILSTREAM *stream);
void pop3_check (MAILSTREAM *stream);
long pop3_expunge (MAILSTREAM *stream,char *sequence,long options);
long pop3_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
long pop3_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);

long pop3_send_num (MAILSTREAM *stream,char *command,unsigned long n);
long pop3_send (MAILSTREAM *stream,char *command,char *args);
long pop3_reply (MAILSTREAM *stream);
long pop3_fake (MAILSTREAM *stream,char *text);

/* POP3 mail routines */


/* Driver dispatch used by MAIL */

DRIVER pop3driver = {
  "pop3",			/* driver name */
				/* driver flags */
#ifdef INADEQUATE_MEMORY
  DR_LOWMEM |
#endif
  DR_MAIL|DR_NOFAST|DR_CRLF|DR_NOSTICKY|DR_NOINTDATE|DR_NONEWMAIL,
  (DRIVER *) NIL,		/* next driver */
  pop3_valid,			/* mailbox is valid for us */
  pop3_parameters,		/* manipulate parameters */
  pop3_scan,			/* scan mailboxes */
  pop3_list,			/* find mailboxes */
  pop3_lsub,			/* find subscribed mailboxes */
  pop3_subscribe,		/* subscribe to mailbox */
  pop3_unsubscribe,		/* unsubscribe from mailbox */
  pop3_create,			/* create mailbox */
  pop3_delete,			/* delete mailbox */
  pop3_rename,			/* rename mailbox */
  pop3_status,			/* status of mailbox */
  pop3_open,			/* open mailbox */
  pop3_close,			/* close mailbox */
  pop3_fetchfast,		/* fetch message "fast" attributes */
  NIL,				/* fetch message flags */
  NIL,				/* fetch overview */
  NIL,				/* fetch message structure */
  pop3_header,			/* fetch message header */
  pop3_text,			/* fetch message text */
  NIL,				/* fetch message */
  NIL,				/* unique identifier */
  NIL,				/* message number from UID */
  NIL,				/* modify flags */
  NIL,				/* per-message modify flags */
  NIL,				/* search for message based on criteria */
  NIL,				/* sort messages */
  NIL,				/* thread messages */
  pop3_ping,			/* ping mailbox to see if still alive */
  pop3_check,			/* check for new messages */
  pop3_expunge,			/* expunge deleted messages */
  pop3_copy,			/* copy messages to another mailbox */
  pop3_append,			/* append string message to mailbox */
  NIL				/* garbage collect stream */
};

				/* prototype stream */
MAILSTREAM pop3proto = {&pop3driver};

				/* driver parameters */
static unsigned long pop3_maxlogintrials = MAXLOGINTRIALS;
static long pop3_port = 0;
static long pop3_sslport = 0;

/* POP3 mail validate mailbox
 * Accepts: mailbox name
 * Returns: our driver if name is valid, NIL otherwise
 */

DRIVER *pop3_valid (char *name)
{
  NETMBX mb;
  return (mail_valid_net_parse (name,&mb) &&
	  !strcmp (mb.service,pop3driver.name) && !mb.authuser[0] &&
	  !compare_cstring (mb.mailbox,"INBOX")) ? &pop3driver : NIL;
}


/* News manipulate driver parameters
 * Accepts: function code
 *	    function-dependent value
 * Returns: function-dependent return value
 */

void *pop3_parameters (long function,void *value)
{
  switch ((int) function) {
  case SET_MAXLOGINTRIALS:
    pop3_maxlogintrials = (unsigned long) value;
    break;
  case GET_MAXLOGINTRIALS:
    value = (void *) pop3_maxlogintrials;
    break;
  case SET_POP3PORT:
    pop3_port = (long) value;
    break;
  case GET_POP3PORT:
    value = (void *) pop3_port;
    break;
  case SET_SSLPOPPORT:
    pop3_sslport = (long) value;
    break;
  case GET_SSLPOPPORT:
    value = (void *) pop3_sslport;
    break;
  case GET_IDLETIMEOUT:
    value = (void *) IDLETIMEOUT;
    break;
  default:
    value = NIL;		/* error case */
    break;
  }
  return value;
}

/* POP3 mail scan mailboxes for string
 * Accepts: mail stream
 *	    reference
 *	    pattern to search
 *	    string to scan
 */

void pop3_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents)
{
  char tmp[MAILTMPLEN];
  if ((ref && *ref) ?		/* have a reference */
      (pop3_valid (ref) && pmatch ("INBOX",pat)) :
      (mail_valid_net (pat,&pop3driver,NIL,tmp) && pmatch ("INBOX",tmp)))
    mm_log ("Scan not valid for POP3 mailboxes",ERROR);
}


/* POP3 mail find list of all mailboxes
 * Accepts: mail stream
 *	    reference
 *	    pattern to search
 */

void pop3_list (MAILSTREAM *stream,char *ref,char *pat)
{
  char tmp[MAILTMPLEN];
  if (ref && *ref) {		/* have a reference */
    if (pop3_valid (ref) && pmatch ("INBOX",pat)) {
      strcpy (strchr (strcpy (tmp,ref),'}')+1,"INBOX");
      mm_list (stream,NIL,tmp,LATT_NOINFERIORS);
    }
  }
  else if (mail_valid_net (pat,&pop3driver,NIL,tmp) && pmatch ("INBOX",tmp)) {
    strcpy (strchr (strcpy (tmp,pat),'}')+1,"INBOX");
    mm_list (stream,NIL,tmp,LATT_NOINFERIORS);
  }
}

/* POP3 mail find list of subscribed mailboxes
 * Accepts: mail stream
 *	    reference
 *	    pattern to search
 */

void pop3_lsub (MAILSTREAM *stream,char *ref,char *pat)
{
  void *sdb = NIL;
  char *s,mbx[MAILTMPLEN];
  if (*pat == '{') {		/* if remote pattern, must be POP3 */
    if (!pop3_valid (pat)) return;
    ref = NIL;			/* good POP3 pattern, punt reference */
  }
				/* if remote reference, must be valid POP3 */
  if (ref && (*ref == '{') && !pop3_valid (ref)) return;
				/* kludgy application of reference */
  if (ref && *ref) sprintf (mbx,"%s%s",ref,pat);
  else strcpy (mbx,pat);

  if (s = sm_read (&sdb)) do if (pop3_valid (s) && pmatch (s,mbx))
    mm_lsub (stream,NIL,s,NIL);
  while (s = sm_read (&sdb));	/* until no more subscriptions */
}


/* POP3 mail subscribe to mailbox
 * Accepts: mail stream
 *	    mailbox to add to subscription list
 * Returns: T on success, NIL on failure
 */

long pop3_subscribe (MAILSTREAM *stream,char *mailbox)
{
  return sm_subscribe (mailbox);
}


/* POP3 mail unsubscribe to mailbox
 * Accepts: mail stream
 *	    mailbox to delete from subscription list
 * Returns: T on success, NIL on failure
 */

long pop3_unsubscribe (MAILSTREAM *stream,char *mailbox)
{
  return sm_unsubscribe (mailbox);
}

/* POP3 mail create mailbox
 * Accepts: mail stream
 *	    mailbox name to create
 * Returns: T on success, NIL on failure
 */

long pop3_create (MAILSTREAM *stream,char *mailbox)
{
  return NIL;			/* never valid for POP3 */
}


/* POP3 mail delete mailbox
 *	    mailbox name to delete
 * Returns: T on success, NIL on failure
 */

long pop3_delete (MAILSTREAM *stream,char *mailbox)
{
  return NIL;			/* never valid for POP3 */
}


/* POP3 mail rename mailbox
 * Accepts: mail stream
 *	    old mailbox name
 *	    new mailbox name
 * Returns: T on success, NIL on failure
 */

long pop3_rename (MAILSTREAM *stream,char *old,char *newname)
{
  return NIL;			/* never valid for POP3 */
}

/* POP3 status
 * Accepts: mail stream
 *	    mailbox name
 *	    status flags
 * Returns: T on success, NIL on failure
 */

long pop3_status (MAILSTREAM *stream,char *mbx,long flags)
{
  MAILSTATUS status;
  unsigned long i;
  long ret = NIL;
  MAILSTREAM *tstream =
    (stream && LOCAL->netstream && mail_usable_network_stream (stream,mbx)) ?
      stream : mail_open (NIL,mbx,OP_SILENT);
  if (tstream) {		/* have a usable stream? */
    status.flags = flags;	/* return status values */
    status.messages = tstream->nmsgs;
    status.recent = tstream->recent;
    if (flags & SA_UNSEEN)	/* must search to get unseen messages */
      for (i = 1,status.unseen = 0; i <= tstream->nmsgs; i++)
	if (!mail_elt (tstream,i)->seen) status.unseen++;
    status.uidnext = tstream->uid_last + 1;
    status.uidvalidity = tstream->uid_validity;
				/* pass status to main program */
    mm_status (tstream,mbx,&status);
    if (stream != tstream) mail_close (tstream);
    ret = LONGT;
  }
  return ret;			/* success */
}

/* POP3 mail open
 * Accepts: stream to open
 * Returns: stream on success, NIL on failure
 */

MAILSTREAM *pop3_open (MAILSTREAM *stream)
{
  unsigned long i,j;
  char *s,*t,tmp[MAILTMPLEN],usr[MAILTMPLEN];
  NETMBX mb;
  MESSAGECACHE *elt;
				/* return prototype for OP_PROTOTYPE call */
  if (!stream) return &pop3proto;
  mail_valid_net_parse (stream->mailbox,&mb);
  usr[0] = '\0';		/* initially no user name */
  if (stream->local) fatal ("pop3 recycle stream");
				/* /anonymous not supported */
  if (mb.anoflag || stream->anonymous) {
    mm_log ("Anonymous POP3 login not available",ERROR);
    return NIL;
  }
				/* /readonly not supported either */
  if (mb.readonlyflag || stream->rdonly) {
    mm_log ("Read-only POP3 access not available",ERROR);
    return NIL;
  }
				/* copy other switches */
  if (mb.dbgflag) stream->debug = T;
  if (mb.secflag) stream->secure = T;
  mb.trysslflag = stream->tryssl = (mb.trysslflag || stream->tryssl) ? T : NIL;
  stream->local =		/* instantiate localdata */
    (void *) memset (fs_get (sizeof (POP3LOCAL)),0,sizeof (POP3LOCAL));
  stream->sequence++;		/* bump sequence number */
  stream->perm_deleted = T;	/* deleted is only valid flag */

  if ((LOCAL->netstream =	/* try to open connection */
       net_open (&mb,NIL,pop3_port ? pop3_port : POP3TCPPORT,
		 (NETDRIVER *) mail_parameters (NIL,GET_SSLDRIVER,NIL),
		 "*pop3s",pop3_sslport ? pop3_sslport : POP3SSLPORT)) &&
      pop3_reply (stream)) {
    mm_log (LOCAL->reply,NIL);	/* give greeting */
    if (!pop3_auth (stream,&mb,tmp,usr)) pop3_close (stream,NIL);
    else if (pop3_send (stream,"STAT",NIL)) {
      int silent = stream->silent;
      stream->silent = T;
      sprintf (tmp,"{%.200s:%lu/pop3",
	       (long) mail_parameters (NIL,GET_TRUSTDNS,NIL) ?
	       net_host (LOCAL->netstream) : mb.host,
	       net_port (LOCAL->netstream));
      if (mb.tlsflag) strcat (tmp,"/tls");
      if (mb.tlssslv23) strcat (tmp,"/tls-sslv23");
      if (mb.notlsflag) strcat (tmp,"/notls");
      if (mb.sslflag) strcat (tmp,"/ssl");
      if (mb.novalidate) strcat (tmp,"/novalidate-cert");
      if (LOCAL->loser = mb.loser) strcat (tmp,"/loser");
      if (stream->secure) strcat (tmp,"/secure");
      sprintf (tmp + strlen (tmp),"/user=\"%s\"}%s",usr,mb.mailbox);
      stream->inbox = T;	/* always INBOX */
      fs_give ((void **) &stream->mailbox);
      stream->mailbox = cpystr (tmp);
				/* notify upper level */
      mail_exists (stream,stream->uid_last = strtoul (LOCAL->reply,NIL,10));
      mail_recent (stream,stream->nmsgs);
				/* instantiate elt */
      for (i = 0; i < stream->nmsgs;) {
	elt = mail_elt (stream,++i);
	elt->valid = elt->recent = T;
	elt->private.uid = i;
      }

				/* trust LIST output if new server */
      if (!LOCAL->loser && LOCAL->cap.capa && pop3_send (stream,"LIST",NIL)) {
	while ((s = net_getline (LOCAL->netstream)) && (*s != '.')) {
	  if ((i = strtoul (s,&t,10)) && (i <= stream->nmsgs) &&
	      (j = strtoul (t,NIL,10))) mail_elt (stream,i)->rfc822_size = j;
	  fs_give ((void **) &s);
	}
				/* flush final dot */
	if (s) fs_give ((void **) &s);
	else {			/* lost connection */
	  mm_log ("POP3 connection broken while itemizing messages",ERROR);
	  pop3_close (stream,NIL);
	  return NIL;
	}
      }
      stream->silent = silent;	/* notify main program */
      mail_exists (stream,stream->nmsgs);
				/* notify if empty */
      if (!(stream->nmsgs || stream->silent)) mm_log ("Mailbox is empty",WARN);
    }
    else {			/* error in STAT */
      mm_log (LOCAL->reply,ERROR);
      pop3_close (stream,NIL);	/* too bad */
    }
  }
  else {			/* connection failed */
    if (LOCAL->reply) mm_log (LOCAL->reply,ERROR);
    pop3_close (stream,NIL);	/* failed, clean up */
  }
  return LOCAL ? stream : NIL;	/* if stream is alive, return to caller */
}

/* POP3 capabilities
 * Accepts: stream
 *	    authenticator flags
 * Returns: T on success, NIL on failure
 */

long pop3_capa (MAILSTREAM *stream,long flags)
{
  unsigned long i;
  char *s,*t,*r,*args;
  if (LOCAL->cap.implementation)/* zap all old capabilities */
    fs_give ((void **) &LOCAL->cap.implementation);
  memset (&LOCAL->cap,0,sizeof (LOCAL->cap));
				/* get server capabilities */
  if (pop3_send (stream,"CAPA",NIL)) LOCAL->cap.capa = T;
  else {
    LOCAL->cap.user = T;	/* guess worst-case old server */
    return NIL;			/* no CAPA on this server */
  }
  while ((t = net_getline (LOCAL->netstream)) && (t[1] || (*t != '.'))) {
    if (stream->debug) mm_dlog (t);
				/* get optional capability arguments */
    if (args = strchr (t,' ')) *args++ = '\0';
    if (!compare_cstring (t,"STLS")) LOCAL->cap.stls = T;
    else if (!compare_cstring (t,"PIPELINING")) LOCAL->cap.pipelining = T;
    else if (!compare_cstring (t,"RESP-CODES")) LOCAL->cap.respcodes = T;
    else if (!compare_cstring (t,"TOP")) LOCAL->cap.top = T;
    else if (!compare_cstring (t,"UIDL")) LOCAL->cap.uidl = T;
    else if (!compare_cstring (t,"USER")) LOCAL->cap.user = T;
    else if (!compare_cstring (t,"IMPLEMENTATION") && args)
      LOCAL->cap.implementation = cpystr (args);
    else if (!compare_cstring (t,"EXPIRE") && args) {
      LOCAL->cap.expire = T;	/* note that it is present */
      if (s = strchr(args,' ')){/* separate time from possible USER */
	*s++ = '\0';
				/* in case they add something after USER */
	if ((strlen (s) > 4) && (s[4] == ' ')) s[4] = '\0';
      }
      LOCAL->cap.expire =	/* get expiration time */
	(!compare_cstring (args,"NEVER")) ? 65535 :
	  ((s && !compare_cstring (s,"USER")) ? -atoi (args) : atoi (args));
    }
    else if (!compare_cstring (t,"LOGIN-DELAY") && args) {
      LOCAL->cap.logindelay = T;/* note that it is present */
      if (s = strchr(args,' ')){/* separate time from possible USER */
	*s++ = '\0';
				/* in case they add something after USER */
	if ((strlen (s) > 4) && (s[4] == ' ')) s[4] = '\0';
      }
				/* get delay time */
      LOCAL->cap.delaysecs = (s && !compare_cstring (s,"USER")) ?
	-atoi (args) : atoi (args);
    }
    else if (!compare_cstring (t,"SASL") && args)
      for (args = strtok_r (args," ",&r); args; args = strtok_r (NIL," ",&r))
	if ((i = mail_lookup_auth_name (args,flags)) &&
	    (--i < MAXAUTHENTICATORS))
	  LOCAL->cap.sasl |= (1 << i);
    fs_give ((void **) &t);
  }
  if (t) {			/* flush end of text indicator */
    if (stream->debug) mm_dlog (t);
    fs_give ((void **) &t);
  }
  return LONGT;
}

/* POP3 authenticate
 * Accepts: stream to login
 *	    parsed network mailbox structure
 *	    scratch buffer of length MAILTMPLEN
 *	    place to return user name
 * Returns: T on success, NIL on failure
 */

long pop3_auth (MAILSTREAM *stream,NETMBX *mb,char *pwd,char *usr)
{
  unsigned long i,trial,auths = 0;
  char *t;
  AUTHENTICATOR *at;
  long ret = NIL;
  long flags = (stream->secure ? AU_SECURE : NIL) |
    (mb->authuser[0] ? AU_AUTHUSER : NIL);
  long capaok = pop3_capa (stream,flags);
  NETDRIVER *ssld = (NETDRIVER *) mail_parameters (NIL,GET_SSLDRIVER,NIL);
  sslstart_t stls = (sslstart_t) mail_parameters (NIL,GET_SSLSTART,NIL);
				/* server has TLS? */
  if (stls && LOCAL->cap.stls && !mb->sslflag && !mb->notlsflag &&
      pop3_send (stream,"STLS",NIL)) {
    mb->tlsflag = T;		/* TLS OK, get into TLS at this end */
    LOCAL->netstream->dtb = ssld;
    if (!(LOCAL->netstream->stream =
	  (*stls) (LOCAL->netstream->stream,mb->host,
		   (mb->tlssslv23 ? NIL : NET_TLSCLIENT) |
		   (mb->novalidate ? NET_NOVALIDATECERT : NIL)))) {
				/* drat, drop this connection */
      if (LOCAL->netstream) net_close (LOCAL->netstream);
      LOCAL->netstream= NIL;
      return NIL;		/* TLS negotiation failed */
    }
    pop3_capa (stream,flags);	/* get capabilities now that TLS in effect */
  }
  else if (mb->tlsflag) {	/* user specified /tls but can't do it */
    mm_log ("Unable to negotiate TLS with this server",ERROR);
    return NIL;
  }
  				/* get authenticators from capabilities */
  if (capaok) auths = LOCAL->cap.sasl;
				/* get list of authenticators */
  else if (pop3_send (stream,"AUTH",NIL)) {
    while ((t = net_getline (LOCAL->netstream)) && (t[1] || (*t != '.'))) {
      if (stream->debug) mm_dlog (t);
      if ((i = mail_lookup_auth_name (t,flags)) && (--i < MAXAUTHENTICATORS))
	auths |= (1 << i);
      fs_give ((void **) &t);
    }
    if (t) {			/* flush end of text indicator */
      if (stream->debug) mm_dlog (t);
      fs_give ((void **) &t);
    }
  }
				/* disable LOGIN if PLAIN also advertised */
  if ((i = mail_lookup_auth_name ("PLAIN",NIL)) && (--i < MAXAUTHENTICATORS) &&
      (auths & (1 << i)) &&
      (i = mail_lookup_auth_name ("LOGIN",NIL)) && (--i < MAXAUTHENTICATORS))
    auths &= ~(1 << i);

  if (auths) {			/* got any authenticators? */
    if ((long) mail_parameters (NIL,GET_TRUSTDNS,NIL)) {
				/* remote name for authentication */
      strncpy (mb->host,(long) mail_parameters (NIL,GET_SASLUSESPTRNAME,NIL) ?
	       net_remotehost (LOCAL->netstream) : net_host (LOCAL->netstream),
	       NETMAXHOST-1);
      mb->host[NETMAXHOST-1] = '\0';
    }
    for (t = NIL, LOCAL->saslcancel = NIL; !ret && LOCAL->netstream && auths &&
	 (at = mail_lookup_auth (find_rightmost_bit (&auths)+1)); ) {
      if (t) {			/* previous authenticator failed? */
	sprintf (pwd,"Retrying using %.80s authentication after %.80s",
		 at->name,t);
	mm_log (pwd,NIL);
	fs_give ((void **) &t);
      }
      trial = 0;		/* initial trial count */
      do {
	if (t) {
	  sprintf (pwd,"Retrying %s authentication after %.80s",at->name,t);
	  mm_log (pwd,WARN);
	  fs_give ((void **) &t);
	}
	LOCAL->saslcancel = NIL;
	if (pop3_send (stream,"AUTH",at->name)) {
				/* hide client authentication responses */
	  if (!(at->flags & AU_SECURE)) LOCAL->sensitive = T;
	  if ((*at->client) (pop3_challenge,pop3_response,"pop",mb,stream,
			     &trial,usr) && LOCAL->response) {
	    if (*LOCAL->response == '+') ret = LONGT;
				/* if main program requested cancellation */
	    else if (!trial) mm_log ("POP3 Authentication cancelled",ERROR);
	  }
	  LOCAL->sensitive=NIL;	/* unhide */
	}
				/* remember response if error and no cancel */
	if (!ret && trial) t = cpystr (LOCAL->reply);
      } while (!ret && trial && (trial < pop3_maxlogintrials) &&
	       LOCAL->netstream);
    }
    if (t) {			/* previous authenticator failed? */
      if (!LOCAL->saslcancel) {	/* don't do this if a cancel */
	sprintf (pwd,"Can not authenticate to POP3 server: %.80s",t);
	mm_log (pwd,ERROR);
      }
      fs_give ((void **) &t);
    }
  }

  else if (stream->secure)
    mm_log ("Can't do secure authentication with this server",ERROR);
  else if (mb->authuser[0])
    mm_log ("Can't do /authuser with this server",ERROR);
  else if (!LOCAL->cap.user) mm_log ("Can't login to this server",ERROR);
  else {			/* traditional login */
    trial = 0;			/* initial trial count */
    do {
      pwd[0] = 0;		/* prompt user for password */
      mm_login (mb,usr,pwd,trial++);
      if (pwd[0]) {		/* send login sequence if have password */
	if (pop3_send (stream,"USER",usr)) {
	  LOCAL->sensitive = T;	/* hide this command */
	  if (pop3_send (stream,"PASS",pwd)) ret = LONGT;
	  LOCAL->sensitive=NIL;	/* unhide */
	}
	if (!ret) {		/* failure */
	  mm_log (LOCAL->reply,WARN);
	  if (trial == pop3_maxlogintrials)
	    mm_log ("Too many login failures",ERROR);
	}
      }
				/* user refused to give password */
      else mm_log ("Login aborted",ERROR);
    } while (!ret && pwd[0] && (trial < pop3_maxlogintrials) &&
	     LOCAL->netstream);
  }
  memset (pwd,0,MAILTMPLEN);	/* erase password */
				/* get capabilities if logged in */
  if (ret && capaok) pop3_capa (stream,flags);
  return ret;
}

/* Get challenge to authenticator in binary
 * Accepts: stream
 *	    pointer to returned size
 * Returns: challenge or NIL if not challenge
 */

void *pop3_challenge (void *s,unsigned long *len)
{
  char tmp[MAILTMPLEN];
  void *ret = NIL;
  MAILSTREAM *stream = (MAILSTREAM *) s;
  if (stream && LOCAL->response &&
      (*LOCAL->response == '+') && (LOCAL->response[1] == ' ') &&
      !(ret = rfc822_base64 ((unsigned char *) LOCAL->reply,
			     strlen (LOCAL->reply),len))) {
    sprintf (tmp,"POP3 SERVER BUG (invalid challenge): %.80s",LOCAL->reply);
    mm_log (tmp,ERROR);
  }
  return ret;
}


/* Send authenticator response in BASE64
 * Accepts: MAIL stream
 *	    string to send
 *	    length of string
 * Returns: T if successful, else NIL
 */

long pop3_response (void *s,char *response,unsigned long size)
{
  MAILSTREAM *stream = (MAILSTREAM *) s;
  unsigned long i,j,ret;
  char *t,*u;
  if (response) {		/* make CRLFless BASE64 string */
    if (size) {
      for (t = (char *) rfc822_binary ((void *) response,size,&i),u = t,j = 0;
	   j < i; j++) if (t[j] > ' ') *u++ = t[j];
      *u = '\0';		/* tie off string for mm_dlog() */
      if (stream->debug) mail_dlog (t,LOCAL->sensitive);
				/* append CRLF */
      *u++ = '\015'; *u++ = '\012'; *u = '\0';
      ret = net_sout (LOCAL->netstream,t,u - t);
      fs_give ((void **) &t);
    }
    else ret = net_sout (LOCAL->netstream,"\015\012",2);
  }
  else {			/* abort requested */
    ret = net_sout (LOCAL->netstream,"*\015\012",3);
    LOCAL->saslcancel = T;	/* mark protocol-requested SASL cancel */
  }
  pop3_reply (stream);		/* get response */
  return ret;
}

/* POP3 mail close
 * Accepts: MAIL stream
 *	    option flags
 */

void pop3_close (MAILSTREAM *stream,long options)
{
  int silent = stream->silent;
  if (LOCAL) {			/* only if a file is open */
    if (LOCAL->netstream) {	/* close POP3 connection */
      stream->silent = T;
      if (options & CL_EXPUNGE) pop3_expunge (stream,NIL,NIL);
      stream->silent = silent;
      pop3_send (stream,"QUIT",NIL);
      mm_notify (stream,LOCAL->reply,BYE);
    }
				/* close POP3 connection */
    if (LOCAL->netstream) net_close (LOCAL->netstream);
				/* clean up */
    if (LOCAL->cap.implementation)
      fs_give ((void **) &LOCAL->cap.implementation);
    if (LOCAL->txt) fclose (LOCAL->txt);
    LOCAL->txt = NIL;
    if (LOCAL->response) fs_give ((void **) &LOCAL->response);
				/* nuke the local data */
    fs_give ((void **) &stream->local);
    stream->dtb = NIL;		/* log out the DTB */
  }
}

/* POP3 mail fetch fast information
 * Accepts: MAIL stream
 *	    sequence
 *	    option flags
 * This is ugly and slow
 */

void pop3_fetchfast (MAILSTREAM *stream,char *sequence,long flags)
{
  unsigned long i;
  MESSAGECACHE *elt;
				/* get sequence */
  if (stream && LOCAL && ((flags & FT_UID) ?
			  mail_uid_sequence (stream,sequence) :
			  mail_sequence (stream,sequence)))
    for (i = 1; i <= stream->nmsgs; i++)
      if ((elt = mail_elt (stream,i))->sequence &&
	  !(elt->day && elt->rfc822_size)) {
	ENVELOPE **env = NIL;
	ENVELOPE *e = NIL;
	if (!stream->scache) env = &elt->private.msg.env;
	else if (stream->msgno == i) env = &stream->env;
	else env = &e;
	if (!*env || !elt->rfc822_size) {
	  STRING bs;
	  unsigned long hs;
	  char *ht = (*stream->dtb->header) (stream,i,&hs,NIL);
				/* need to make an envelope? */
	  if (!*env) rfc822_parse_msg (env,NIL,ht,hs,NIL,BADHOST,
				       stream->dtb->flags);
				/* need message size too, ugh */
	  if (!elt->rfc822_size) {
	    (*stream->dtb->text) (stream,i,&bs,FT_PEEK);
	    elt->rfc822_size = hs + SIZE (&bs) - GETPOS (&bs);
	  }
	}
				/* if need date, have date in envelope? */
	if (!elt->day && *env && (*env)->date)
	  mail_parse_date (elt,(*env)->date);
				/* sigh, fill in bogus default */
	if (!elt->day) elt->day = elt->month = 1;
	mail_free_envelope (&e);
      }
}

/* POP3 fetch header as text
 * Accepts: mail stream
 *	    message number
 *	    pointer to return size
 *	    flags
 * Returns: header text
 */

char *pop3_header (MAILSTREAM *stream,unsigned long msgno,unsigned long *size,
		   long flags)
{
  unsigned long i;
  char tmp[MAILTMPLEN];
  MESSAGECACHE *elt;
  FILE *f = NIL;
  *size = 0;			/* initially no header size */
  if ((flags & FT_UID) && !(msgno = mail_msgno (stream,msgno))) return "";
				/* have header text already? */
  if (!(elt = mail_elt (stream,msgno))->private.msg.header.text.data) {
				/* if have CAPA and TOP, assume good TOP */
    if (!LOCAL->loser && LOCAL->cap.top) {
      sprintf (tmp,"TOP %lu 0",mail_uid (stream,msgno));
      if (pop3_send (stream,tmp,NIL))
	f = netmsg_slurp (LOCAL->netstream,&i,
			  &elt->private.msg.header.text.size);
    }
				/* otherwise load the cache with the message */
    else if (elt->private.msg.header.text.size = pop3_cache (stream,elt))
      f = LOCAL->txt;
    if (f) {			/* got it, make sure at start of file */
      fseek (f,(unsigned long) 0,SEEK_SET);
				/* read header from the cache */
      fread (elt->private.msg.header.text.data = (unsigned char *)
	     fs_get ((size_t) elt->private.msg.header.text.size + 1),
	     (size_t) 1,(size_t) elt->private.msg.header.text.size,f);
				/* tie off header text */
      elt->private.msg.header.text.data[elt->private.msg.header.text.size] =
	'\0';
				/* close if not the cache */
      if (f != LOCAL->txt) fclose (f);
    }
  }
				/* return size of text */
  if (size) *size = elt->private.msg.header.text.size;
  return elt->private.msg.header.text.data ?
    (char *) elt->private.msg.header.text.data : "";
}

/* POP3 fetch body
 * Accepts: mail stream
 *	    message number
 *	    pointer to stringstruct to initialize
 *	    flags
 * Returns: T if successful, else NIL
 */

long pop3_text (MAILSTREAM *stream,unsigned long msgno,STRING *bs,long flags)
{
  MESSAGECACHE *elt;
  INIT (bs,mail_string,(void *) "",0);
  if ((flags & FT_UID) && !(msgno = mail_msgno (stream,msgno))) return NIL;
  elt = mail_elt (stream,msgno);
  pop3_cache (stream,elt);	/* make sure cache loaded */
  if (!LOCAL->txt) return NIL;	/* error if don't have a file */
  if (!(flags & FT_PEEK)) {	/* mark seen if needed */
    elt->seen = T;
    mm_flags (stream,elt->msgno);
  }
  INIT (bs,file_string,(void *) LOCAL->txt,elt->rfc822_size);
  SETPOS (bs,LOCAL->hdrsize);	/* skip past header */
  return T;
}

/* POP3 cache message
 * Accepts: mail stream
 *	    message number
 * Returns: header size
 */

unsigned long pop3_cache (MAILSTREAM *stream,MESSAGECACHE *elt)
{
				/* already cached? */
  if (LOCAL->cached != mail_uid (stream,elt->msgno)) {
				/* no, close current file */
    if (LOCAL->txt) fclose (LOCAL->txt);
    LOCAL->txt = NIL;
    LOCAL->cached = LOCAL->hdrsize = 0;
    if (pop3_send_num (stream,"RETR",elt->msgno) &&
	(LOCAL->txt = netmsg_slurp (LOCAL->netstream,&elt->rfc822_size,
				    &LOCAL->hdrsize)))
				/* set as current message number */
      LOCAL->cached = mail_uid (stream,elt->msgno);
    else elt->deleted = T;
  }
  return LOCAL->hdrsize;
}

/* POP3 mail ping mailbox
 * Accepts: MAIL stream
 * Returns: T if stream alive, else NIL
 */

long pop3_ping (MAILSTREAM *stream)
{
  return pop3_send (stream,"NOOP",NIL);
}


/* POP3 mail check mailbox
 * Accepts: MAIL stream
 */

void pop3_check (MAILSTREAM *stream)
{
  if (pop3_ping (stream)) mm_log ("Check completed",NIL);
}


/* POP3 mail expunge mailbox
 * Accepts: MAIL stream
 *	    sequence to expunge if non-NIL
 *	    expunge options
 * Returns: T if success, NIL if failure
 */

long pop3_expunge (MAILSTREAM *stream,char *sequence,long options)
{
  char tmp[MAILTMPLEN];
  MESSAGECACHE *elt;
  unsigned long i = 1,n = 0;
  long ret;
  if (ret = sequence ? ((options & EX_UID) ?
			mail_uid_sequence (stream,sequence) :
			mail_sequence (stream,sequence)) :
      LONGT) {			/* build selected sequence if needed */
    while (i <= stream->nmsgs) {
      elt = mail_elt (stream,i);
      if (elt->deleted && (sequence ? elt->sequence : T) &&
	  pop3_send_num (stream,"DELE",i)) {
				/* expunging currently cached message? */
	if (LOCAL->cached == mail_uid (stream,i)) {
				/* yes, close current file */
	  if (LOCAL->txt) fclose (LOCAL->txt);
	  LOCAL->txt = NIL;
	  LOCAL->cached = LOCAL->hdrsize = 0;
	}
	mail_expunged (stream,i);
	n++;
      }
      else i++;			/* try next message */
    }
    if (!stream->silent) {	/* only if not silent */
      if (n) {			/* did we expunge anything? */
	sprintf (tmp,"Expunged %lu messages",n);
	mm_log (tmp,(long) NIL);
      }
      else mm_log ("No messages deleted, so no update needed",(long) NIL);
    }
  }
  return ret;
}

/* POP3 mail copy message(s)
 * Accepts: MAIL stream
 *	    sequence
 *	    destination mailbox
 *	    option flags
 * Returns: T if copy successful, else NIL
 */

long pop3_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
{
  mailproxycopy_t pc =
    (mailproxycopy_t) mail_parameters (stream,GET_MAILPROXYCOPY,NIL);
  if (pc) return (*pc) (stream,sequence,mailbox,options);
  mm_log ("Copy not valid for POP3",ERROR);
  return NIL;
}


/* POP3 mail append message from stringstruct
 * Accepts: MAIL stream
 *	    destination mailbox
 *	    append callback
 *	    data for callback
 * Returns: T if append successful, else NIL
 */

long pop3_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
{
  mm_log ("Append not valid for POP3",ERROR);
  return NIL;
}

/* Internal routines */


/* Post Office Protocol 3 send command with number argument
 * Accepts: MAIL stream
 *	    command
 *	    number
 * Returns: T if successful, NIL if failure
 */

long pop3_send_num (MAILSTREAM *stream,char *command,unsigned long n)
{
  char tmp[MAILTMPLEN];
  sprintf (tmp,"%lu",mail_uid (stream,n));
  return pop3_send (stream,command,tmp);
}


/* Post Office Protocol 3 send command
 * Accepts: MAIL stream
 *	    command
 *	    command argument
 * Returns: T if successful, NIL if failure
 */

long pop3_send (MAILSTREAM *stream,char *command,char *args)
{
  long ret;
  char *s = (char *) fs_get (strlen (command) + (args ? strlen (args) + 1: 0)
			     + 3);
  mail_lock (stream);		/* lock up the stream */
  if (!LOCAL->netstream) ret = pop3_fake (stream,"POP3 connection lost");
  else {			/* build the complete command */
    if (args) sprintf (s,"%s %s",command,args);
    else strcpy (s,command);
    if (stream->debug) mail_dlog (s,LOCAL->sensitive);
    strcat (s,"\015\012");
				/* send the command */
    ret = net_soutr (LOCAL->netstream,s) ? pop3_reply (stream) :
      pop3_fake (stream,"POP3 connection broken in command");
  }
  fs_give ((void **) &s);
  mail_unlock (stream);		/* unlock stream */
  return ret;
}

/* Post Office Protocol 3 get reply
 * Accepts: MAIL stream
 * Returns: T if success reply, NIL if error reply
 */

long pop3_reply (MAILSTREAM *stream)
{
  char *s;
				/* flush old reply */
  if (LOCAL->response) fs_give ((void **) &LOCAL->response);
  				/* get reply */
  if (!(LOCAL->response = net_getline (LOCAL->netstream)))
    return pop3_fake (stream,"POP3 connection broken in response");
  if (stream->debug) mm_dlog (LOCAL->response);
  LOCAL->reply = (s = strchr (LOCAL->response,' ')) ? s + 1 : LOCAL->response;
				/* return success or failure */
  return (*LOCAL->response =='+') ? T : NIL;
}


/* Post Office Protocol 3 set fake error
 * Accepts: MAIL stream
 *	    error text
 * Returns: NIL, always
 */

long pop3_fake (MAILSTREAM *stream,char *text)
{
  mm_notify (stream,text,BYE);	/* send bye alert */
  if (LOCAL->netstream) net_close (LOCAL->netstream);
  LOCAL->netstream = NIL;	/* farewell, dear TCP stream */
				/* flush any old reply */
  if (LOCAL->response) fs_give ((void **) &LOCAL->response);
  LOCAL->reply = text;		/* set up pseudo-reply string */
  return NIL;			/* return error code */
}

Youez - 2016 - github.com/yon3zu
LinuXploit