/* * aim_info.c * * The functions here are responsible for requesting and parsing information- * gathering SNACs. * */ #define FAIM_INTERNAL #include struct aim_priv_inforeq { char sn[MAXSNLEN+1]; unsigned short infotype; }; faim_export unsigned long aim_getinfo(struct aim_session_t *sess, struct aim_conn_t *conn, const char *sn, unsigned short infotype) { struct command_tx_struct *newpacket; struct aim_priv_inforeq privdata; int i = 0; if (!sess || !conn || !sn) return 0; if (!(newpacket = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 12+1+strlen(sn)))) return -1; newpacket->lock = 1; i = aim_putsnac(newpacket->data, 0x0002, 0x0005, 0x0000, sess->snac_nextid); i += aimutil_put16(newpacket->data+i, infotype); i += aimutil_put8(newpacket->data+i, strlen(sn)); i += aimutil_putstr(newpacket->data+i, sn, strlen(sn)); newpacket->lock = 0; aim_tx_enqueue(sess, newpacket); strncpy(privdata.sn, sn, sizeof(privdata.sn)); privdata.infotype = infotype; aim_cachesnac(sess, 0x0002, 0x0005, 0x0000, &privdata, sizeof(struct aim_priv_inforeq)); return sess->snac_nextid; } faim_internal int aim_parse_locateerr(struct aim_session_t *sess, struct command_rx_struct *command) { u_long snacid = 0x000000000; struct aim_snac_t *snac = NULL; int ret = 0; rxcallback_t userfunc = NULL; char *dest; unsigned short reason = 0; /* * Get SNAC from packet and look it up * the list of unrepliedto/outstanding * SNACs. * */ snacid = aimutil_get32(command->data+6); snac = aim_remsnac(sess, snacid); if (!snac) { printf("faim: locerr: got an locate-failed error on an unknown SNAC ID! (%08lx)\n", snacid); dest = NULL; } else dest = snac->data; reason = aimutil_get16(command->data+10); /* * Call client. */ userfunc = aim_callhandler(command->conn, 0x0002, 0x0001); if (userfunc) ret = userfunc(sess, command, dest, reason); else ret = 0; if (snac) { free(snac->data); free(snac); } return ret; } /* * Capability blocks. */ u_char aim_caps[8][16] = { /* Buddy icon */ {0x09, 0x46, 0x13, 0x46, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Voice */ {0x09, 0x46, 0x13, 0x41, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* IM image */ {0x09, 0x46, 0x13, 0x45, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Chat */ {0x74, 0x8f, 0x24, 0x20, 0x62, 0x87, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Get file */ {0x09, 0x46, 0x13, 0x48, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Send file */ {0x09, 0x46, 0x13, 0x43, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Saves stock portfolios */ {0x09, 0x46, 0x13, 0x47, 0x4c, 0x7f, 0x11, 0xd1, 0x82, 0x22, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, /* Games */ {0x09, 0x46, 0x13, 0x4a, 0x4c, 0x7f, 0x11, 0xd1, 0x22, 0x82, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00}, }; faim_internal unsigned short aim_getcap(unsigned char *capblock, int buflen) { u_short ret = 0; int y; int offset = 0; int identified; while (offset < buflen) { identified = 0; for(y=0; y < (sizeof(aim_caps)/0x10); y++) { if (memcmp(&aim_caps[y], capblock+offset, 0x10) == 0) { switch(y) { case 0: ret |= AIM_CAPS_BUDDYICON; identified++; break; case 1: ret |= AIM_CAPS_VOICE; identified++; break; case 2: ret |= AIM_CAPS_IMIMAGE; identified++; break; case 3: ret |= AIM_CAPS_CHAT; identified++; break; case 4: ret |= AIM_CAPS_GETFILE; identified++; break; case 5: ret |= AIM_CAPS_SENDFILE; identified++; break; case 6: ret |= AIM_CAPS_GAMES; identified++; break; case 7: ret |= AIM_CAPS_SAVESTOCKS; identified++; break; } } } if (!identified) { printf("faim: unknown capability!\n"); ret |= 0xff00; } offset += 0x10; } return ret; } faim_internal int aim_putcap(unsigned char *capblock, int buflen, u_short caps) { int offset = 0; if (!capblock) return -1; if ((caps & AIM_CAPS_BUDDYICON) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[0], sizeof(aim_caps[0])); offset += sizeof(aim_caps[1]); } if ((caps & AIM_CAPS_VOICE) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[1], sizeof(aim_caps[1])); offset += sizeof(aim_caps[1]); } if ((caps & AIM_CAPS_IMIMAGE) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[2], sizeof(aim_caps[2])); offset += sizeof(aim_caps[2]); } if ((caps & AIM_CAPS_CHAT) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[3], sizeof(aim_caps[3])); offset += sizeof(aim_caps[3]); } if ((caps & AIM_CAPS_GETFILE) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[4], sizeof(aim_caps[4])); offset += sizeof(aim_caps[4]); } if ((caps & AIM_CAPS_SENDFILE) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[5], sizeof(aim_caps[5])); offset += sizeof(aim_caps[5]); } if ((caps & AIM_CAPS_GAMES) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[6], sizeof(aim_caps[6])); offset += sizeof(aim_caps[6]); } if ((caps & AIM_CAPS_SAVESTOCKS) && (offset < buflen)) { memcpy(capblock+offset, aim_caps[7], sizeof(aim_caps[7])); offset += sizeof(aim_caps[7]); } return offset; } /* * AIM is fairly regular about providing user info. This * is a generic routine to extract it in its standard form. */ faim_internal int aim_extractuserinfo(u_char *buf, struct aim_userinfo_s *outinfo) { int i = 0; int tlvcnt = 0; int curtlv = 0; int tlv1 = 0; u_short curtype; int lastvalid; if (!buf || !outinfo) return -1; /* Clear out old data first */ memset(outinfo, 0x00, sizeof(struct aim_userinfo_s)); /* * Screen name. Stored as an unterminated string prepended * with an unsigned byte containing its length. */ if (buf[i] < MAXSNLEN) { memcpy(outinfo->sn, &(buf[i+1]), buf[i]); outinfo->sn[(int)buf[i]] = '\0'; } else { memcpy(outinfo->sn, &(buf[i+1]), MAXSNLEN-1); outinfo->sn[MAXSNLEN] = '\0'; } i = 1 + (int)buf[i]; /* * Warning Level. Stored as an unsigned short. */ outinfo->warnlevel = aimutil_get16(&buf[i]); i += 2; /* * TLV Count. Unsigned short representing the number of * Type-Length-Value triples that follow. */ tlvcnt = aimutil_get16(&buf[i]); i += 2; /* * Parse out the Type-Length-Value triples as they're found. */ while (curtlv < tlvcnt) { lastvalid = 1; curtype = aimutil_get16(&buf[i]); switch (curtype) { /* * Type = 0x0000: Invalid * * AOL has been trying to throw these in just to break us. * They're real nice guys over there at AOL. * * Just skip the two zero bytes and continue on. (This doesn't * count towards tlvcnt!) */ case 0x0000: lastvalid = 0; i += 2; break; /* * Type = 0x0001: User flags * * Specified as any of the following bitwise ORed together: * 0x0001 Trial (user less than 60days) * 0x0002 Unknown bit 2 * 0x0004 AOL Main Service user * 0x0008 Unknown bit 4 * 0x0010 Free (AIM) user * 0x0020 Away * * In some odd cases, we can end up with more * than one of these. We only want the first, * as the others may not be something we want. * */ case 0x0001: if (tlv1) /* use only the first */ break; outinfo->flags = aimutil_get16(&buf[i+4]); tlv1++; break; /* * Type = 0x0002: Member-Since date. * * The time/date that the user originally * registered for the service, stored in * time_t format */ case 0x0002: outinfo->membersince = aimutil_get32(&buf[i+4]); break; /* * Type = 0x0003: On-Since date. * * The time/date that the user started * their current session, stored in time_t * format. */ case 0x0003: outinfo->onlinesince = aimutil_get32(&buf[i+4]); break; /* * Type = 0x0004: Idle time. * * Number of seconds since the user * actively used the service. */ case 0x0004: outinfo->idletime = aimutil_get16(&buf[i+4]); break; /* * Type = 0x0006: ICQ Online Status * * ICQ's Away/DND/etc "enriched" status * Some decoding of values done by Scott */ case 0x0006: outinfo->icqinfo.status = aimutil_get16(buf+i+2+2+2); break; /* * Type = 0x000a * * ICQ User IP Address. * Ahh, the joy of ICQ security. */ case 0x000a: outinfo->icqinfo.ipaddr = aimutil_get32(&buf[i+4]); break; /* Type = 0x000c * * random crap containing the IP address, * apparently a port number, and some Other Stuff. * */ case 0x000c: memcpy(outinfo->icqinfo.crap, &buf[i+4], 0x25); break; /* * Type = 0x000d * * Capability information. Not real sure of * actual decoding. See comment on aim_bos_setprofile() * in aim_misc.c about the capability block, its the same. * */ case 0x000d: { int len; len = aimutil_get16(buf+i+2); if (!len) break; outinfo->capabilities = aim_getcap(buf+i+4, len); } break; /* * Type = 0x000e * * Unknown. Always of zero length, and always only * on AOL users. * * Ignore. * */ case 0x000e: break; /* * Type = 0x000f: Session Length. (AIM) * Type = 0x0010: Session Length. (AOL) * * The duration, in seconds, of the user's * current session. * * Which TLV type this comes in depends * on the service the user is using (AIM or AOL). * */ case 0x000f: case 0x0010: outinfo->sessionlen = aimutil_get32(&buf[i+4]); break; /* * Reaching here indicates that either AOL has * added yet another TLV for us to deal with, * or the parsing has gone Terribly Wrong. * * Either way, inform the owner and attempt * recovery. * */ default: { int len,z = 0, y = 0, x = 0; char tmpstr[80]; printf("faim: userinfo: **warning: unexpected TLV:\n"); printf("faim: userinfo: sn =%s\n", outinfo->sn); printf("faim: userinfo: curtlv=0x%04x\n", curtlv); printf("faim: userinfo: type =0x%04x\n",aimutil_get16(&buf[i])); printf("faim: userinfo: length=0x%04x\n", len = aimutil_get16(&buf[i+2])); printf("faim: userinfo: data: \n"); while (zdata+i, &userinfo); userfunc = aim_callhandler(command->conn, AIM_CB_FAM_BUD, AIM_CB_BUD_ONCOMING); if (userfunc) i = userfunc(sess, command, &userinfo); return 1; } /* * Offgoing Buddy notifications contain no useful * information other than the name it applies to. * */ faim_internal int aim_parse_offgoing_middle(struct aim_session_t *sess, struct command_rx_struct *command) { char sn[MAXSNLEN+1]; u_int i = 0; rxcallback_t userfunc=NULL; strncpy(sn, (char *)command->data+11, (int)command->data[10]); sn[(int)command->data[10]] = '\0'; userfunc = aim_callhandler(command->conn, AIM_CB_FAM_BUD, AIM_CB_BUD_OFFGOING); if (userfunc) i = userfunc(sess, command, sn); return 1; } /* * This parses the user info stuff out all nice and pretty then calls * the higher-level callback (in the user app). * */ faim_internal int aim_parse_userinfo_middle(struct aim_session_t *sess, struct command_rx_struct *command) { struct aim_userinfo_s userinfo; char *text_encoding = NULL; char *text = NULL; u_int i = 0; rxcallback_t userfunc=NULL; struct aim_tlvlist_t *tlvlist; struct aim_snac_t *origsnac = NULL; u_long snacid; struct aim_priv_inforeq *inforeq; snacid = aimutil_get32(&command->data[6]); origsnac = aim_remsnac(sess, snacid); if (!origsnac || !origsnac->data) { printf("faim: parse_userinfo_middle: major problem: no snac stored!\n"); return 1; } inforeq = (struct aim_priv_inforeq *)origsnac->data; switch (inforeq->infotype) { case AIM_GETINFO_GENERALINFO: case AIM_GETINFO_AWAYMESSAGE: i = 10; /* * extractuserinfo will give us the basic metaTLV information */ i += aim_extractuserinfo(command->data+i, &userinfo); /* * However, in this command, there's usually more TLVs following... */ tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i); /* * Depending on what informational text was requested, different * TLVs will appear here. * * Profile will be 1 and 2, away message will be 3 and 4. */ if (aim_gettlv(tlvlist, 0x0001, 1)) { text_encoding = aim_gettlv_str(tlvlist, 0x0001, 1); text = aim_gettlv_str(tlvlist, 0x0002, 1); } else if (aim_gettlv(tlvlist, 0x0003, 1)) { text_encoding = aim_gettlv_str(tlvlist, 0x0003, 1); text = aim_gettlv_str(tlvlist, 0x0004, 1); } userfunc = aim_callhandler(command->conn, AIM_CB_FAM_LOC, AIM_CB_LOC_USERINFO); if (userfunc) { i = userfunc(sess, command, &userinfo, text_encoding, text, inforeq->infotype); } free(text_encoding); free(text); aim_freetlvchain(&tlvlist); break; default: printf("faim: parse_userinfo_middle: unknown infotype in request! (0x%04x)\n", inforeq->infotype); break; } if (origsnac) { if (origsnac->data) free(origsnac->data); free(origsnac); } return 1; } /* * Inverse of aim_extractuserinfo() */ faim_internal int aim_putuserinfo(u_char *buf, int buflen, struct aim_userinfo_s *info) { int i = 0, numtlv = 0; struct aim_tlvlist_t *tlvlist = NULL; if (!buf || !info) return 0; i += aimutil_put8(buf+i, strlen(info->sn)); i += aimutil_putstr(buf+i, info->sn, strlen(info->sn)); i += aimutil_put16(buf+i, info->warnlevel); aim_addtlvtochain16(&tlvlist, 0x0001, info->flags); numtlv++; aim_addtlvtochain32(&tlvlist, 0x0002, info->membersince); numtlv++; aim_addtlvtochain32(&tlvlist, 0x0003, info->onlinesince); numtlv++; aim_addtlvtochain16(&tlvlist, 0x0004, info->idletime); numtlv++; #if ICQ_OSCAR_SUPPORT if(atoi(info->sn) != 0) { aim_addtlvtochain16(&tlvlist, 0x0006, info->icqinfo.status); aim_addtlvtochain32(&tlvlist, 0x000a, info->icqinfo.ipaddr); } #endif aim_addtlvtochain_caps(&tlvlist, 0x000d, info->capabilities); numtlv++; aim_addtlvtochain32(&tlvlist, (unsigned short)((info->flags)&AIM_FLAG_AOL?0x0010:0x000f), info->sessionlen); numtlv++; i += aimutil_put16(buf+i, numtlv); /* tlvcount */ i += aim_writetlvchain(buf+i, buflen-i, &tlvlist); /* tlvs */ aim_freetlvchain(&tlvlist); return i; } faim_export int aim_sendbuddyoncoming(struct aim_session_t *sess, struct aim_conn_t *conn, struct aim_userinfo_s *info) { struct command_tx_struct *tx; int i = 0; if (!sess || !conn || !info) return 0; if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 1152))) return -1; tx->lock = 1; i += aimutil_put16(tx->data+i, 0x0003); i += aimutil_put16(tx->data+i, 0x000b); i += aimutil_put16(tx->data+i, 0x0000); i += aimutil_put16(tx->data+i, 0x0000); i += aimutil_put16(tx->data+i, 0x0000); i += aim_putuserinfo(tx->data+i, tx->commandlen-i, info); tx->commandlen = i; tx->lock = 0; aim_tx_enqueue(sess, tx); return 0; } faim_export int aim_sendbuddyoffgoing(struct aim_session_t *sess, struct aim_conn_t *conn, char *sn) { struct command_tx_struct *tx; int i = 0; if (!sess || !conn || !sn) return 0; if (!(tx = aim_tx_new(AIM_FRAMETYPE_OSCAR, 0x0002, conn, 10+1+strlen(sn)))) return -1; tx->lock = 1; i += aimutil_put16(tx->data+i, 0x0003); i += aimutil_put16(tx->data+i, 0x000c); i += aimutil_put16(tx->data+i, 0x0000); i += aimutil_put16(tx->data+i, 0x0000); i += aimutil_put16(tx->data+i, 0x0000); i += aimutil_put8(tx->data+i, strlen(sn)); i += aimutil_putstr(tx->data+i, sn, strlen(sn)); tx->lock = 0; aim_tx_enqueue(sess, tx); return 0; }