[5e53c4a] | 1 | /* |
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[862371b] | 2 | * Family 0x000d - Handle ChatNav. |
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[5e53c4a] | 3 | * |
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[862371b] | 4 | * The ChatNav(igation) service does various things to keep chat |
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| 5 | * alive. It provides room information, room searching and creating, |
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| 6 | * as well as giving users the right ("permission") to use chat. |
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[5e53c4a] | 7 | * |
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| 8 | */ |
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| 9 | |
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| 10 | #define FAIM_INTERNAL |
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| 11 | #include <aim.h> |
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| 12 | |
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| 13 | /* |
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[862371b] | 14 | * Subtype 0x0002 |
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| 15 | * |
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[5e53c4a] | 16 | * conn must be a chatnav connection! |
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[862371b] | 17 | * |
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[5e53c4a] | 18 | */ |
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| 19 | faim_export int aim_chatnav_reqrights(aim_session_t *sess, aim_conn_t *conn) |
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| 20 | { |
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| 21 | return aim_genericreq_n_snacid(sess, conn, 0x000d, 0x0002); |
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| 22 | } |
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| 23 | |
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[862371b] | 24 | /* |
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| 25 | * Subtype 0x0008 |
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| 26 | */ |
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[5e53c4a] | 27 | faim_export int aim_chatnav_createroom(aim_session_t *sess, aim_conn_t *conn, const char *name, fu16_t exchange) |
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| 28 | { |
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| 29 | static const char ck[] = {"create"}; |
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| 30 | static const char lang[] = {"en"}; |
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| 31 | static const char charset[] = {"us-ascii"}; |
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| 32 | aim_frame_t *fr; |
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| 33 | aim_snacid_t snacid; |
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| 34 | aim_tlvlist_t *tl = NULL; |
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| 35 | |
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| 36 | if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x02, 1152))) |
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| 37 | return -ENOMEM; |
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| 38 | |
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| 39 | snacid = aim_cachesnac(sess, 0x000d, 0x0008, 0x0000, NULL, 0); |
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| 40 | aim_putsnac(&fr->data, 0x000d, 0x0008, 0x0000, snacid); |
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| 41 | |
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| 42 | /* exchange */ |
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| 43 | aimbs_put16(&fr->data, exchange); |
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| 44 | |
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| 45 | /* |
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| 46 | * This looks to be a big hack. You'll note that this entire |
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| 47 | * SNAC is just a room info structure, but the hard room name, |
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[7869e48] | 48 | * here, is set to "create". |
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[5e53c4a] | 49 | * |
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| 50 | * Either this goes on the "list of questions concerning |
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| 51 | * why-the-hell-did-you-do-that", or this value is completly |
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| 52 | * ignored. Without experimental evidence, but a good knowledge of |
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| 53 | * AOL style, I'm going to guess that it is the latter, and that |
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| 54 | * the value of the room name in create requests is ignored. |
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| 55 | */ |
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| 56 | aimbs_put8(&fr->data, strlen(ck)); |
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| 57 | aimbs_putraw(&fr->data, ck, strlen(ck)); |
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| 58 | |
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[7869e48] | 59 | /* |
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[5e53c4a] | 60 | * instance |
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[7869e48] | 61 | * |
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[5e53c4a] | 62 | * Setting this to 0xffff apparently assigns the last instance. |
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| 63 | * |
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| 64 | */ |
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| 65 | aimbs_put16(&fr->data, 0xffff); |
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| 66 | |
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| 67 | /* detail level */ |
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| 68 | aimbs_put8(&fr->data, 0x01); |
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| 69 | |
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[cf02dd6] | 70 | aim_tlvlist_add_raw(&tl, 0x00d3, strlen(name), name); |
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| 71 | aim_tlvlist_add_raw(&tl, 0x00d6, strlen(charset), charset); |
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| 72 | aim_tlvlist_add_raw(&tl, 0x00d7, strlen(lang), lang); |
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[5e53c4a] | 73 | |
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| 74 | /* tlvcount */ |
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[cf02dd6] | 75 | aimbs_put16(&fr->data, aim_tlvlist_count(&tl)); |
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| 76 | aim_tlvlist_write(&fr->data, &tl); |
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[5e53c4a] | 77 | |
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[cf02dd6] | 78 | aim_tlvlist_free(&tl); |
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[5e53c4a] | 79 | |
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| 80 | aim_tx_enqueue(sess, fr); |
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| 81 | |
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| 82 | return 0; |
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| 83 | } |
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| 84 | |
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| 85 | static int parseinfo_perms(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2) |
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| 86 | { |
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| 87 | aim_rxcallback_t userfunc; |
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| 88 | int ret = 0; |
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| 89 | struct aim_chat_exchangeinfo *exchanges = NULL; |
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| 90 | int curexchange; |
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| 91 | aim_tlv_t *exchangetlv; |
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| 92 | fu8_t maxrooms = 0; |
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| 93 | aim_tlvlist_t *tlvlist, *innerlist; |
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| 94 | |
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[cf02dd6] | 95 | tlvlist = aim_tlvlist_read(bs); |
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[5e53c4a] | 96 | |
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[7869e48] | 97 | /* |
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[5e53c4a] | 98 | * Type 0x0002: Maximum concurrent rooms. |
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[7869e48] | 99 | */ |
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[cf02dd6] | 100 | if (aim_tlv_gettlv(tlvlist, 0x0002, 1)) |
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| 101 | maxrooms = aim_tlv_get8(tlvlist, 0x0002, 1); |
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[5e53c4a] | 102 | |
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[7869e48] | 103 | /* |
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[5e53c4a] | 104 | * Type 0x0003: Exchange information |
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| 105 | * |
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| 106 | * There can be any number of these, each one |
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[7869e48] | 107 | * representing another exchange. |
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| 108 | * |
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[5e53c4a] | 109 | */ |
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[cf02dd6] | 110 | for (curexchange = 0; ((exchangetlv = aim_tlv_gettlv(tlvlist, 0x0003, curexchange+1))); ) { |
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[5e53c4a] | 111 | aim_bstream_t tbs; |
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| 112 | |
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| 113 | aim_bstream_init(&tbs, exchangetlv->value, exchangetlv->length); |
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| 114 | |
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| 115 | curexchange++; |
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| 116 | |
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| 117 | exchanges = realloc(exchanges, curexchange * sizeof(struct aim_chat_exchangeinfo)); |
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| 118 | |
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| 119 | /* exchange number */ |
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| 120 | exchanges[curexchange-1].number = aimbs_get16(&tbs); |
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[cf02dd6] | 121 | innerlist = aim_tlvlist_read(&tbs); |
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[5e53c4a] | 122 | |
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[7869e48] | 123 | /* |
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[5e53c4a] | 124 | * Type 0x000a: Unknown. |
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| 125 | * |
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| 126 | * Usually three bytes: 0x0114 (exchange 1) or 0x010f (others). |
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| 127 | * |
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| 128 | */ |
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[cf02dd6] | 129 | if (aim_tlv_gettlv(innerlist, 0x000a, 1)) |
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[5e53c4a] | 130 | ; |
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| 131 | |
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[7869e48] | 132 | /* |
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[5e53c4a] | 133 | * Type 0x000d: Unknown. |
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| 134 | */ |
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[cf02dd6] | 135 | if (aim_tlv_gettlv(innerlist, 0x000d, 1)) |
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[5e53c4a] | 136 | ; |
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| 137 | |
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[7869e48] | 138 | /* |
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[5e53c4a] | 139 | * Type 0x0004: Unknown |
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| 140 | */ |
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[cf02dd6] | 141 | if (aim_tlv_gettlv(innerlist, 0x0004, 1)) |
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[5e53c4a] | 142 | ; |
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| 143 | |
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[7869e48] | 144 | /* |
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[5e53c4a] | 145 | * Type 0x0002: Unknown |
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| 146 | */ |
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[cf02dd6] | 147 | if (aim_tlv_gettlv(innerlist, 0x0002, 1)) { |
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[5e53c4a] | 148 | fu16_t classperms; |
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| 149 | |
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[cf02dd6] | 150 | classperms = aim_tlv_get16(innerlist, 0x0002, 1); |
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[7869e48] | 151 | |
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[5e53c4a] | 152 | faimdprintf(sess, 1, "faim: class permissions %x\n", classperms); |
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| 153 | } |
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| 154 | |
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| 155 | /* |
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| 156 | * Type 0x00c9: Flags |
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| 157 | * |
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| 158 | * 1 Evilable |
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| 159 | * 2 Nav Only |
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| 160 | * 4 Instancing Allowed |
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| 161 | * 8 Occupant Peek Allowed |
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| 162 | * |
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[7869e48] | 163 | */ |
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[cf02dd6] | 164 | if (aim_tlv_gettlv(innerlist, 0x00c9, 1)) |
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| 165 | exchanges[curexchange-1].flags = aim_tlv_get16(innerlist, 0x00c9, 1); |
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[7869e48] | 166 | |
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[5e53c4a] | 167 | /* |
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[7869e48] | 168 | * Type 0x00ca: Creation Date |
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[5e53c4a] | 169 | */ |
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[cf02dd6] | 170 | if (aim_tlv_gettlv(innerlist, 0x00ca, 1)) |
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[5e53c4a] | 171 | ; |
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[7869e48] | 172 | |
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[5e53c4a] | 173 | /* |
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| 174 | * Type 0x00d0: Mandatory Channels? |
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| 175 | */ |
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[cf02dd6] | 176 | if (aim_tlv_gettlv(innerlist, 0x00d0, 1)) |
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[5e53c4a] | 177 | ; |
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| 178 | |
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| 179 | /* |
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| 180 | * Type 0x00d1: Maximum Message length |
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| 181 | */ |
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[cf02dd6] | 182 | if (aim_tlv_gettlv(innerlist, 0x00d1, 1)) |
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[5e53c4a] | 183 | ; |
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| 184 | |
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| 185 | /* |
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| 186 | * Type 0x00d2: Maximum Occupancy? |
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| 187 | */ |
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[7869e48] | 188 | if (aim_tlv_gettlv(innerlist, 0x00d2, 1)) |
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[5e53c4a] | 189 | ; |
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| 190 | |
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| 191 | /* |
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| 192 | * Type 0x00d3: Exchange Description |
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| 193 | */ |
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[7869e48] | 194 | if (aim_tlv_gettlv(innerlist, 0x00d3, 1)) |
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[cf02dd6] | 195 | exchanges[curexchange-1].name = aim_tlv_getstr(innerlist, 0x00d3, 1); |
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[5e53c4a] | 196 | else |
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| 197 | exchanges[curexchange-1].name = NULL; |
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| 198 | |
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| 199 | /* |
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| 200 | * Type 0x00d4: Exchange Description URL |
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| 201 | */ |
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[7869e48] | 202 | if (aim_tlv_gettlv(innerlist, 0x00d4, 1)) |
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[5e53c4a] | 203 | ; |
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| 204 | |
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| 205 | /* |
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| 206 | * Type 0x00d5: Creation Permissions |
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| 207 | * |
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| 208 | * 0 Creation not allowed |
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| 209 | * 1 Room creation allowed |
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| 210 | * 2 Exchange creation allowed |
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[7869e48] | 211 | * |
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[5e53c4a] | 212 | */ |
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[cf02dd6] | 213 | if (aim_tlv_gettlv(innerlist, 0x00d5, 1)) { |
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[5e53c4a] | 214 | fu8_t createperms; |
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| 215 | |
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[cf02dd6] | 216 | createperms = aim_tlv_get8(innerlist, 0x00d5, 1); |
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[5e53c4a] | 217 | } |
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| 218 | |
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| 219 | /* |
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| 220 | * Type 0x00d6: Character Set (First Time) |
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[7869e48] | 221 | */ |
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| 222 | if (aim_tlv_gettlv(innerlist, 0x00d6, 1)) |
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[cf02dd6] | 223 | exchanges[curexchange-1].charset1 = aim_tlv_getstr(innerlist, 0x00d6, 1); |
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[5e53c4a] | 224 | else |
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| 225 | exchanges[curexchange-1].charset1 = NULL; |
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[7869e48] | 226 | |
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[5e53c4a] | 227 | /* |
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| 228 | * Type 0x00d7: Language (First Time) |
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[7869e48] | 229 | */ |
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| 230 | if (aim_tlv_gettlv(innerlist, 0x00d7, 1)) |
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[cf02dd6] | 231 | exchanges[curexchange-1].lang1 = aim_tlv_getstr(innerlist, 0x00d7, 1); |
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[5e53c4a] | 232 | else |
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| 233 | exchanges[curexchange-1].lang1 = NULL; |
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| 234 | |
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| 235 | /* |
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| 236 | * Type 0x00d8: Character Set (Second Time) |
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[7869e48] | 237 | */ |
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| 238 | if (aim_tlv_gettlv(innerlist, 0x00d8, 1)) |
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[cf02dd6] | 239 | exchanges[curexchange-1].charset2 = aim_tlv_getstr(innerlist, 0x00d8, 1); |
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[5e53c4a] | 240 | else |
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| 241 | exchanges[curexchange-1].charset2 = NULL; |
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| 242 | |
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| 243 | /* |
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| 244 | * Type 0x00d9: Language (Second Time) |
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[7869e48] | 245 | */ |
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| 246 | if (aim_tlv_gettlv(innerlist, 0x00d9, 1)) |
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[cf02dd6] | 247 | exchanges[curexchange-1].lang2 = aim_tlv_getstr(innerlist, 0x00d9, 1); |
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[5e53c4a] | 248 | else |
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| 249 | exchanges[curexchange-1].lang2 = NULL; |
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[7869e48] | 250 | |
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[5e53c4a] | 251 | /* |
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| 252 | * Type 0x00da: Unknown |
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| 253 | */ |
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[7869e48] | 254 | if (aim_tlv_gettlv(innerlist, 0x00da, 1)) |
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[5e53c4a] | 255 | ; |
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| 256 | |
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[cf02dd6] | 257 | aim_tlvlist_free(&innerlist); |
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[5e53c4a] | 258 | } |
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| 259 | |
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| 260 | /* |
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| 261 | * Call client. |
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| 262 | */ |
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| 263 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) |
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| 264 | ret = userfunc(sess, rx, snac2->type, maxrooms, curexchange, exchanges); |
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| 265 | |
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| 266 | for (curexchange--; curexchange >= 0; curexchange--) { |
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| 267 | free(exchanges[curexchange].name); |
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| 268 | free(exchanges[curexchange].charset1); |
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| 269 | free(exchanges[curexchange].lang1); |
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| 270 | free(exchanges[curexchange].charset2); |
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| 271 | free(exchanges[curexchange].lang2); |
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| 272 | } |
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| 273 | free(exchanges); |
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[cf02dd6] | 274 | aim_tlvlist_free(&tlvlist); |
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[5e53c4a] | 275 | |
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| 276 | return ret; |
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| 277 | } |
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| 278 | |
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| 279 | static int parseinfo_create(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs, aim_snac_t *snac2) |
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| 280 | { |
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| 281 | aim_rxcallback_t userfunc; |
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| 282 | aim_tlvlist_t *tlvlist, *innerlist; |
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| 283 | char *ck = NULL, *fqcn = NULL, *name = NULL; |
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| 284 | fu16_t exchange = 0, instance = 0, unknown = 0, flags = 0, maxmsglen = 0, maxoccupancy = 0; |
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| 285 | fu32_t createtime = 0; |
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| 286 | fu8_t createperms = 0, detaillevel; |
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| 287 | int cklen; |
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| 288 | aim_tlv_t *bigblock; |
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| 289 | int ret = 0; |
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| 290 | aim_bstream_t bbbs; |
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| 291 | |
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[cf02dd6] | 292 | tlvlist = aim_tlvlist_read(bs); |
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[5e53c4a] | 293 | |
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[cf02dd6] | 294 | if (!(bigblock = aim_tlv_gettlv(tlvlist, 0x0004, 1))) { |
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[5e53c4a] | 295 | faimdprintf(sess, 0, "no bigblock in top tlv in create room response\n"); |
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[cf02dd6] | 296 | aim_tlvlist_free(&tlvlist); |
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[5e53c4a] | 297 | return 0; |
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| 298 | } |
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| 299 | |
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| 300 | aim_bstream_init(&bbbs, bigblock->value, bigblock->length); |
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| 301 | |
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| 302 | exchange = aimbs_get16(&bbbs); |
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| 303 | cklen = aimbs_get8(&bbbs); |
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| 304 | ck = aimbs_getstr(&bbbs, cklen); |
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| 305 | instance = aimbs_get16(&bbbs); |
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| 306 | detaillevel = aimbs_get8(&bbbs); |
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| 307 | |
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| 308 | if (detaillevel != 0x02) { |
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| 309 | faimdprintf(sess, 0, "unknown detaillevel in create room response (0x%02x)\n", detaillevel); |
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[cf02dd6] | 310 | aim_tlvlist_free(&tlvlist); |
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[5e53c4a] | 311 | free(ck); |
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| 312 | return 0; |
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| 313 | } |
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| 314 | |
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| 315 | unknown = aimbs_get16(&bbbs); |
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| 316 | |
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[cf02dd6] | 317 | innerlist = aim_tlvlist_read(&bbbs); |
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[5e53c4a] | 318 | |
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[cf02dd6] | 319 | if (aim_tlv_gettlv(innerlist, 0x006a, 1)) |
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| 320 | fqcn = aim_tlv_getstr(innerlist, 0x006a, 1); |
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[5e53c4a] | 321 | |
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[cf02dd6] | 322 | if (aim_tlv_gettlv(innerlist, 0x00c9, 1)) |
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| 323 | flags = aim_tlv_get16(innerlist, 0x00c9, 1); |
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[5e53c4a] | 324 | |
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[cf02dd6] | 325 | if (aim_tlv_gettlv(innerlist, 0x00ca, 1)) |
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| 326 | createtime = aim_tlv_get32(innerlist, 0x00ca, 1); |
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[5e53c4a] | 327 | |
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[cf02dd6] | 328 | if (aim_tlv_gettlv(innerlist, 0x00d1, 1)) |
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| 329 | maxmsglen = aim_tlv_get16(innerlist, 0x00d1, 1); |
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[5e53c4a] | 330 | |
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[cf02dd6] | 331 | if (aim_tlv_gettlv(innerlist, 0x00d2, 1)) |
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| 332 | maxoccupancy = aim_tlv_get16(innerlist, 0x00d2, 1); |
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[5e53c4a] | 333 | |
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[cf02dd6] | 334 | if (aim_tlv_gettlv(innerlist, 0x00d3, 1)) |
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| 335 | name = aim_tlv_getstr(innerlist, 0x00d3, 1); |
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[5e53c4a] | 336 | |
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[cf02dd6] | 337 | if (aim_tlv_gettlv(innerlist, 0x00d5, 1)) |
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| 338 | createperms = aim_tlv_get8(innerlist, 0x00d5, 1); |
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[5e53c4a] | 339 | |
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| 340 | if ((userfunc = aim_callhandler(sess, rx->conn, snac->family, snac->subtype))) { |
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| 341 | ret = userfunc(sess, rx, snac2->type, fqcn, instance, exchange, flags, createtime, maxmsglen, maxoccupancy, createperms, unknown, name, ck); |
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| 342 | } |
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| 343 | |
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| 344 | free(ck); |
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| 345 | free(name); |
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| 346 | free(fqcn); |
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[cf02dd6] | 347 | aim_tlvlist_free(&innerlist); |
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| 348 | aim_tlvlist_free(&tlvlist); |
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[5e53c4a] | 349 | |
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| 350 | return ret; |
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| 351 | } |
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| 352 | |
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| 353 | /* |
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[862371b] | 354 | * Subtype 0x0009 |
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| 355 | * |
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[7869e48] | 356 | * Since multiple things can trigger this callback, we must lookup the |
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[5e53c4a] | 357 | * snacid to determine the original snac subtype that was called. |
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| 358 | * |
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| 359 | * XXX This isn't really how this works. But this is: Every d/9 response |
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| 360 | * has a 16bit value at the beginning. That matches to: |
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| 361 | * Short Desc = 1 |
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| 362 | * Full Desc = 2 |
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| 363 | * Instance Info = 4 |
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| 364 | * Nav Short Desc = 8 |
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| 365 | * Nav Instance Info = 16 |
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[7869e48] | 366 | * And then everything is really asynchronous. There is no specific |
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[5e53c4a] | 367 | * attachment of a response to a create room request, for example. Creating |
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| 368 | * the room yields no different a response than requesting the room's info. |
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| 369 | * |
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| 370 | */ |
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| 371 | static int parseinfo(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) |
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| 372 | { |
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| 373 | aim_snac_t *snac2; |
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| 374 | int ret = 0; |
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| 375 | |
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| 376 | if (!(snac2 = aim_remsnac(sess, snac->id))) { |
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| 377 | faimdprintf(sess, 0, "faim: chatnav_parse_info: received response to unknown request! (%08lx)\n", snac->id); |
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| 378 | return 0; |
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| 379 | } |
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| 380 | |
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| 381 | if (snac2->family != 0x000d) { |
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| 382 | faimdprintf(sess, 0, "faim: chatnav_parse_info: recieved response that maps to corrupt request! (fam=%04x)\n", snac2->family); |
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| 383 | return 0; |
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| 384 | } |
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| 385 | |
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| 386 | /* |
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| 387 | * We now know what the original SNAC subtype was. |
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| 388 | */ |
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| 389 | if (snac2->type == 0x0002) /* request chat rights */ |
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| 390 | ret = parseinfo_perms(sess, mod, rx, snac, bs, snac2); |
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| 391 | else if (snac2->type == 0x0003) /* request exchange info */ |
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| 392 | faimdprintf(sess, 0, "chatnav_parse_info: resposne to exchange info\n"); |
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| 393 | else if (snac2->type == 0x0004) /* request room info */ |
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| 394 | faimdprintf(sess, 0, "chatnav_parse_info: response to room info\n"); |
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| 395 | else if (snac2->type == 0x0005) /* request more room info */ |
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| 396 | faimdprintf(sess, 0, "chatnav_parse_info: response to more room info\n"); |
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| 397 | else if (snac2->type == 0x0006) /* request occupant list */ |
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| 398 | faimdprintf(sess, 0, "chatnav_parse_info: response to occupant info\n"); |
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| 399 | else if (snac2->type == 0x0007) /* search for a room */ |
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| 400 | faimdprintf(sess, 0, "chatnav_parse_info: search results\n"); |
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| 401 | else if (snac2->type == 0x0008) /* create room */ |
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| 402 | ret = parseinfo_create(sess, mod, rx, snac, bs, snac2); |
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| 403 | else |
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| 404 | faimdprintf(sess, 0, "chatnav_parse_info: unknown request subtype (%04x)\n", snac2->type); |
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| 405 | |
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| 406 | if (snac2) |
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| 407 | free(snac2->data); |
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| 408 | free(snac2); |
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| 409 | |
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| 410 | return ret; |
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| 411 | } |
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| 412 | |
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| 413 | static int snachandler(aim_session_t *sess, aim_module_t *mod, aim_frame_t *rx, aim_modsnac_t *snac, aim_bstream_t *bs) |
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| 414 | { |
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| 415 | |
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| 416 | if (snac->subtype == 0x0009) |
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| 417 | return parseinfo(sess, mod, rx, snac, bs); |
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| 418 | |
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| 419 | return 0; |
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| 420 | } |
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| 421 | |
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| 422 | faim_internal int chatnav_modfirst(aim_session_t *sess, aim_module_t *mod) |
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| 423 | { |
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| 424 | |
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| 425 | mod->family = 0x000d; |
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[e374dee] | 426 | mod->version = 0x0001; |
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[5e53c4a] | 427 | mod->toolid = 0x0010; |
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[e374dee] | 428 | mod->toolversion = 0x0629; |
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[5e53c4a] | 429 | mod->flags = 0; |
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| 430 | strncpy(mod->name, "chatnav", sizeof(mod->name)); |
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| 431 | mod->snachandler = snachandler; |
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| 432 | |
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| 433 | return 0; |
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| 434 | } |
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