X-Git-Url: http://andersk.mit.edu/gitweb/libfaim.git/blobdiff_plain/a25832e66b80e7159f37795cff5593b748ac5f59..7bed16929b8f47e2b957a019c1a7d9f83629f4c7:/aim_login.c diff --git a/aim_login.c b/aim_login.c index c7af989..61992a1 100644 --- a/aim_login.c +++ b/aim_login.c @@ -15,6 +15,69 @@ #include "tis_telnet_proxy.h" #endif +int aim_sendconnack(struct aim_session_t *sess, + struct aim_conn_t *conn) +{ + int curbyte=0; + + struct command_tx_struct newpacket; + + if (conn) + newpacket.conn = conn; + else + return -1; + + newpacket.commandlen = 2+2; + newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); + newpacket.lock = 1; + newpacket.type = 0x01; + + curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000); + curbyte += aimutil_put16(newpacket.data+curbyte, 0x0001); + + newpacket.lock = 0; + aim_tx_enqueue(sess, &newpacket); + + return 0; +} + +#ifdef SNACLOGIN +/* + * In AIM 3.5 protocol, the first stage of login is to request + * login from the Authorizer, passing it the screen name + * for verification. If the name is invalid, a 0017/0003 + * is spit back, with the standard error contents. If valid, + * a 0017/0007 comes back, which is the signal to send + * it the main login command (0017/0002). + */ +int aim_request_login(struct aim_session_t *sess, + struct aim_conn_t *conn, + char *sn) +{ + int curbyte=0; + + struct command_tx_struct newpacket; + + if (conn) + newpacket.conn = conn; + else + newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_AUTH); + + newpacket.commandlen = 10+2+2+strlen(sn); + newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); + newpacket.lock = 1; + newpacket.type = 0x02; + + curbyte += aim_putsnac(newpacket.data+curbyte, 0x0017, 0x0006, 0x0000, 0x00010000); + curbyte += aim_puttlv_str(newpacket.data+curbyte, 0x0001, strlen(sn), sn); + + newpacket.lock = 0; + aim_tx_enqueue(sess, &newpacket); + + return 0; +} +#endif /* SNACLOGIN */ + /* * send_login(int socket, char *sn, char *password) * @@ -34,18 +97,52 @@ int aim_send_login (struct aim_session_t *sess, struct command_tx_struct newpacket; + if (!clientinfo || !sn || !password) + return -1; + if (conn) newpacket.conn = conn; else newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_AUTH); +#ifdef SNACLOGIN + newpacket.commandlen = 10; + newpacket.commandlen += 2 + 2 + strlen(sn); + newpacket.commandlen += 2 + 2 + strlen(password); + newpacket.commandlen += 2 + 2 + strlen(clientinfo->clientstring); + newpacket.commandlen += 56; + + newpacket.data = (u_char *) calloc (1, newpacket.commandlen ); + newpacket.lock = 1; + newpacket.type = 0x02; + + curbyte = aim_putsnac(newpacket.data+curbyte, 0x0017, 0x0002, 0x0000, 0x00010000); + curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, strlen(sn), sn); + password_encoded = (u_char *) malloc(strlen(password)); + aim_encode_password(password, password_encoded); + curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0002, strlen(password), password_encoded); + curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0003, + strlen(clientinfo->clientstring), + clientinfo->clientstring); + /* XXX: should use clientinfo provided version info */ + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0016, 0x0004); + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0017, 0x0003); + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0018, 0x0005); + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0019, 0x0000); + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x001a, 0x0686); + curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, 0x0002, clientinfo->country); + curbyte+= aim_puttlv_str(newpacket.data+curbyte, 0x0001, 0x0002, clientinfo->lang); + curbyte+= aim_puttlv_32(newpacket.data+curbyte, 0x0014, 0x0000002a); + curbyte+= aim_puttlv_16(newpacket.data+curbyte, 0x0009, 0x0015); +#else + newpacket.commandlen = 4 + 4+strlen(sn) + 4+strlen(password) + 6; if (clientinfo) { if (strlen(clientinfo->clientstring)) newpacket.commandlen += 4+strlen(clientinfo->clientstring); - newpacket.commandlen += 6+6+6; + newpacket.commandlen += 6+6+6+6; if (strlen(clientinfo->country)) newpacket.commandlen += 4+strlen(clientinfo->country); if (strlen(clientinfo->lang)) @@ -70,7 +167,7 @@ int aim_send_login (struct aim_session_t *sess, curbyte += aimutil_putstr(newpacket.data+curbyte, password_encoded, strlen(password)); free(password_encoded); - curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0016, 0x0001); + curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0016, 0x0004); if (clientinfo) { @@ -80,9 +177,10 @@ int aim_send_login (struct aim_session_t *sess, curbyte += aimutil_put16(newpacket.data+curbyte, strlen(clientinfo->clientstring)); curbyte += aimutil_putstr(newpacket.data+curbyte, clientinfo->clientstring, strlen(clientinfo->clientstring)); } - curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0017, 0x0001); - curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0018, 0x0001); - curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x001a, 0x0013); + curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0017, clientinfo->major /*0x0001*/); + curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0018, clientinfo->minor /*0x0001*/); + curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0019, 0x0000); + curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x001a, clientinfo->build /*0x0013*/); if (strlen(clientinfo->country)) { curbyte += aimutil_put16(newpacket.data+curbyte, 0x000e); @@ -98,6 +196,7 @@ int aim_send_login (struct aim_session_t *sess, } curbyte += aim_puttlv_16(newpacket.data+curbyte, 0x0009, 0x0015); +#endif newpacket.lock = 0; aim_tx_enqueue(sess, &newpacket); @@ -138,6 +237,98 @@ int aim_encode_password(const char *password, u_char *encoded) return 0; } +/* + * This is sent back as a general response to the login command. + * It can be either an error or a success, depending on the + * precense of certain TLVs. + * + * The client should check the value of logininfo->errorcode. If + * its nonzero, there was an error. + * + */ +int aim_authparse(struct aim_session_t *sess, + struct command_rx_struct *command) +{ + struct aim_tlvlist_t *tlvlist; + int ret = 1; + char *sn; + rxcallback_t userfunc = NULL; + + memset(&sess->logininfo, 0x00, sizeof(sess->logininfo)); + + /* + * Read block of TLVs. All further data is derived + * from what is parsed here. + */ +#ifdef SNACLOGIN + tlvlist = aim_readtlvchain(command->data+10, command->commandlen-10); +#else + tlvlist = aim_readtlvchain(command->data, command->commandlen); +#endif + /* + * No matter what, we should have a screen name. + */ + sn = aim_gettlv_str(tlvlist, 0x0001, 1); + memcpy(sess->logininfo.screen_name, sn, strlen(sn)); + sn[(strlen(sn))] = '\0'; + + /* + * Check for an error code. If so, we should also + * have an error url. + */ + if (aim_gettlv(tlvlist, 0x0008, 1)) + { + struct aim_tlv_t *errtlv; + errtlv = aim_gettlv(tlvlist, 0x0008, 1); + sess->logininfo.errorcode = aimutil_get16(errtlv->value); + sess->logininfo.errorurl = aim_gettlv_str(tlvlist, 0x0004, 1); + } + /* + * If we have both an IP number (0x0005) and a cookie (0x0006), + * then the login was successful. + */ + else if (aim_gettlv(tlvlist, 0x0005, 1) && aim_gettlv(tlvlist, 0x0006, 1)) + { + struct aim_tlv_t *tmptlv; + /* + * IP address of BOS server. + */ + sess->logininfo.BOSIP = aim_gettlv_str(tlvlist, 0x0005, 1); + /* + * Authorization Cookie + */ + tmptlv = aim_gettlv(tlvlist, 0x0006, 1); + memcpy(sess->logininfo.cookie, tmptlv->value, AIM_COOKIELEN); + /* + * The email address attached to this account + */ + sess->logininfo.email = aim_gettlv_str(tlvlist, 0x0011, 1); + + /* + * The registration status. (Not real sure what it means.) + */ + tmptlv = aim_gettlv(tlvlist, 0x0013, 1); + sess->logininfo.regstatus = aimutil_get16(tmptlv->value); + + } + +#ifdef SNACLOGIN + userfunc = aim_callhandler(command->conn, 0x0017, 0x0003); +#else + userfunc = aim_callhandler(command->conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_AUTHSUCCESS); +#endif + if (userfunc) + ret = userfunc(sess, command); + + aim_freetlvchain(&tlvlist); + + /* These have been clobbered by the freetlvchain */ + sess->logininfo.BOSIP = NULL; + sess->logininfo.email = NULL; + sess->logininfo.errorurl = NULL; + + return ret; +}