*
*/
-#include "aim.h"
+#include <faim/aim.h>
/*
* Send an ICBM (instant message).
* when the message is received (of type 0x0004/0x000c)
*
*/
-u_long aim_send_im(struct aim_conn_t *conn, char *destsn, int flags, char *msg)
+u_long aim_send_im(struct aim_session_t *sess,
+ struct aim_conn_t *conn,
+ char *destsn, u_int flags, char *msg)
{
int curbyte,i;
if (conn)
newpacket.conn = conn;
else
- newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS);
+ newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_BOS);
/*
* Its simplest to set this arbitrarily large and waste
*/
newpacket.commandlen = 1152;
- newpacket.data = (char *) calloc(1, newpacket.commandlen);
+ newpacket.data = (u_char *) calloc(1, newpacket.commandlen);
curbyte = 0;
curbyte += aim_putsnac(newpacket.data+curbyte,
- 0x0004, 0x0006, 0x0000, aim_snac_nextid);
+ 0x0004, 0x0006, 0x0000, sess->snac_nextid);
/*
* Generate a random message cookie
+ *
+ * We could cache these like we do SNAC IDs. (In fact, it
+ * might be a good idea.) In the message error functions,
+ * the 8byte message cookie is returned as well as the
+ * SNAC ID.
+ *
*/
for (i=0;i<8;i++)
curbyte += aimutil_put8(newpacket.data+curbyte, (u_char) random());
newpacket.commandlen = curbyte;
- aim_tx_enqueue(&newpacket);
+ aim_tx_enqueue(sess, &newpacket);
#ifdef USE_SNAC_FOR_IMS
{
struct aim_snac_t snac;
- snac.id = aim_snac_nextid;
+ snac.id = sess->snac_nextid;
snac.family = 0x0004;
snac.type = 0x0006;
snac.flags = 0x0000;
snac.data = malloc(strlen(destsn)+1);
memcpy(snac.data, destsn, strlen(destsn)+1);
- aim_newsnac(&snac);
+ aim_newsnac(sess, &snac);
}
- aim_cleansnacs(60); /* clean out all SNACs over 60sec old */
+ aim_cleansnacs(sess, 60); /* clean out all SNACs over 60sec old */
#endif
- return (aim_snac_nextid++);
+ return (sess->snac_nextid++);
}
/*
* room we're invited to, but obviously can't attend...
*
*/
-int aim_parse_incoming_im_middle(struct command_rx_struct *command)
+int aim_parse_incoming_im_middle(struct aim_session_t *sess,
+ struct command_rx_struct *command)
{
- struct aim_userinfo_s userinfo;
- u_int i = 0, j = 0, y = 0, z = 0;
- char *msg = NULL;
- int isautoresponse = 0;
+ u_int i = 0,z;
rxcallback_t userfunc = NULL;
u_char cookie[8];
int channel;
struct aim_tlvlist_t *tlvlist;
- struct aim_tlv_t *msgblocktlv, *tmptlv;
- u_char *msgblock;
+ struct aim_userinfo_s userinfo;
u_short wastebits;
- u_short flag1,flag2;
- memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
-
i = 10; /* Skip SNAC header */
/*
* Channel 0x0001 is the message channel. There are
* other channels for things called "rendevous"
* which represent chat and some of the other new
- * features of AIM2/3/3.5. We only support
- * standard messages; those on channel 0x0001.
+ * features of AIM2/3/3.5.
+ *
+ * Channel 0x0002 is the Rendevous channel, which
+ * is where Chat Invitiations come from.
+ *
*/
channel = aimutil_get16(command->data+i);
i += 2;
- if (channel != 0x0001)
+
+ /*
+ *
+ */
+ if ((channel != 0x01) && (channel != 0x02))
{
printf("faim: icbm: ICBM received on an unsupported channel. Ignoring.\n (chan = %04x)", channel);
return 1;
memcpy(userinfo.sn, command->data+i+1, (int)command->data[i]);
userinfo.sn[(int)command->data[i]] = '\0';
i += 1 + (int)command->data[i];
-
+
/*
- * Unknown bits.
+ * Warning Level
*/
- wastebits = aimutil_get16(command->data+i);
+ userinfo.warnlevel = aimutil_get16(command->data+i); /* guess */
i += 2;
+
+ /*
+ * Number of TLVs that follow. Not needed.
+ */
wastebits = aimutil_get16(command->data+i);
i += 2;
-
+
/*
* Read block of TLVs. All further data is derived
* from what is parsed here.
tlvlist = aim_readtlvchain(command->data+i, command->commandlen-i);
/*
- * Check Autoresponse status. If it is an autoresponse,
- * it will contain a second type 0x0004 TLV, with zero length.
+ * From here on, its depends on what channel we're on.
*/
- if (aim_gettlv(tlvlist, 0x0004, 2))
- isautoresponse = 1;
-
- /*
- * Extract the various pieces of the userinfo struct.
- */
- /* Class. */
- if ((tmptlv = aim_gettlv(tlvlist, 0x0001, 1)))
- userinfo.class = aimutil_get16(tmptlv->value);
- /* Member-since date. */
- if ((tmptlv = aim_gettlv(tlvlist, 0x0002, 1)))
+ if (channel == 1)
{
- /* If this is larger than 4, its probably the message block, skip */
- if (tmptlv->length <= 4)
- userinfo.membersince = aimutil_get32(tmptlv->value);
+ u_int j = 0, y = 0, z = 0;
+ char *msg = NULL;
+ u_int icbmflags = 0;
+ struct aim_tlv_t *msgblocktlv, *tmptlv;
+ u_char *msgblock;
+ u_short flag1,flag2;
+
+ memset(&userinfo, 0x00, sizeof(struct aim_userinfo_s));
+
+ /*
+ * Check Autoresponse status. If it is an autoresponse,
+ * it will contain a second type 0x0004 TLV, with zero length.
+ */
+ if (aim_gettlv(tlvlist, 0x0004, 2))
+ icbmflags |= AIM_IMFLAGS_AWAY;
+
+ /*
+ * Check Ack Request status.
+ */
+ if (aim_gettlv(tlvlist, 0x0003, 2))
+ icbmflags |= AIM_IMFLAGS_ACK;
+
+ /*
+ * Extract the various pieces of the userinfo struct.
+ */
+ /* Class. */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0001, 1)))
+ userinfo.class = aimutil_get16(tmptlv->value);
+ /* Member-since date. */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0002, 1)))
+ {
+ /* If this is larger than 4, its probably the message block, skip */
+ if (tmptlv->length <= 4)
+ userinfo.membersince = aimutil_get32(tmptlv->value);
+ }
+ /* On-since date */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0003, 1)))
+ userinfo.onlinesince = aimutil_get32(tmptlv->value);
+ /* Idle-time */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0004, 1)))
+ userinfo.idletime = aimutil_get16(tmptlv->value);
+ /* Session Length (AIM) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x000f, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
+ /* Session Length (AOL) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0010, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
+
+ /*
+ * Message block.
+ *
+ * XXX: Will the msgblock always be the second 0x0002?
+ */
+ msgblocktlv = aim_gettlv(tlvlist, 0x0002, 1);
+ if (!msgblocktlv)
+ {
+ printf("faim: icbm: major error! no message block TLV found!\n");
+ aim_freetlvchain(&tlvlist);
+ }
+
+ /*
+ * Extracting the message from the unknown cruft.
+ *
+ * This is a bit messy, and I'm not really qualified,
+ * even as the author, to comment on it. At least
+ * its not as bad as a while loop shooting into infinity.
+ *
+ * "Do you believe in magic?"
+ *
+ */
+ msgblock = msgblocktlv->value;
+ j = 0;
+
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
+
+ y = aimutil_get16(msgblock+j);
+ j += 2;
+ for (z = 0; z < y; z++)
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
+ wastebits = aimutil_get8(msgblock+j++);
+
+ /*
+ * Message string length, including flag words.
+ */
+ i = aimutil_get16(msgblock+j);
+ j += 2;
+
+ /*
+ * Flag words.
+ *
+ * Its rumored that these can kick in some funky
+ * 16bit-wide char stuff that used to really kill
+ * libfaim. Hopefully the latter is no longer true.
+ *
+ * Though someone should investiagte the former.
+ *
+ */
+ flag1 = aimutil_get16(msgblock+j);
+ j += 2;
+ flag2 = aimutil_get16(msgblock+j);
+ j += 2;
+
+ if (flag1 || flag2)
+ printf("faim: icbm: **warning: encoding flags are being used! {%04x, %04x}\n", flag1, flag2);
+
+ /*
+ * Message string.
+ */
+ i -= 4;
+ msg = (char *)malloc(i+1);
+ memcpy(msg, msgblock+j, i);
+ msg[i] = '\0';
+
+ /*
+ * Call client.
+ */
+ userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
+ if (userfunc)
+ i = userfunc(sess, command, channel, &userinfo, msg, icbmflags, flag1, flag2);
+ else
+ i = 0;
+
+ free(msg);
}
- /* On-since date */
- if ((tmptlv = aim_gettlv(tlvlist, 0x0003, 1)))
- userinfo.onlinesince = aimutil_get32(tmptlv->value);
- /* Idle-time */
- if ((tmptlv = aim_gettlv(tlvlist, 0x0004, 1)))
- userinfo.idletime = aimutil_get16(tmptlv->value);
- /* Session Length (AIM) */
- if ((tmptlv = aim_gettlv(tlvlist, 0x000f, 1)))
- userinfo.sessionlen = aimutil_get16(tmptlv->value);
- /* Session Length (AOL) */
- if ((tmptlv = aim_gettlv(tlvlist, 0x0010, 1)))
- userinfo.sessionlen = aimutil_get16(tmptlv->value);
-
- /*
- * Message block.
- *
- * XXX: Will the msgblock always be the second 0x0002?
- */
- msgblocktlv = aim_gettlv(tlvlist, 0x0002, 1);
- if (!msgblocktlv)
+ else if (channel == 0x0002)
{
- printf("faim: icbm: major error! no message block TLV found!\n");
- aim_freetlvchain(&tlvlist);
- }
-
- /*
- * Extracting the message from the unknown cruft.
- *
- * This is a bit messy, and I'm not really qualified,
- * even as the author, to comment on it. At least
- * its not as bad as a while loop shooting into infinity.
- *
- * "Do you believe in magic?"
- *
- */
- msgblock = msgblocktlv->value;
- j = 0;
-
- wastebits = aimutil_get8(msgblock+j++);
- wastebits = aimutil_get8(msgblock+j++);
-
- y = aimutil_get16(msgblock+j);
- j += 2;
- for (z = 0; z < y; z++)
- wastebits = aimutil_get8(msgblock+j++);
- wastebits = aimutil_get8(msgblock+j++);
- wastebits = aimutil_get8(msgblock+j++);
+ struct aim_tlv_t *block1;
+ struct aim_tlvlist_t *list2;
+ struct aim_tlv_t *tmptlv;
+ int a;
+ u_short exchange,instance;
+ char *roomname,*msg,*encoding,*lang;
+
+ /* Class. */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0001, 1)))
+ userinfo.class = aimutil_get16(tmptlv->value);
+ /* On-since date */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0003, 1)))
+ userinfo.onlinesince = aimutil_get32(tmptlv->value);
+ /* Idle-time */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0004, 1)))
+ userinfo.idletime = aimutil_get16(tmptlv->value);
+ /* Session Length (AIM) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x000f, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
+ /* Session Length (AOL) */
+ if ((tmptlv = aim_gettlv(tlvlist, 0x0010, 1)))
+ userinfo.sessionlen = aimutil_get16(tmptlv->value);
+
+ /*
+ * There's another block of TLVs embedded in the type 5 here.
+ */
+ block1 = aim_gettlv(tlvlist, 0x0005, 1);
+ if (!block1)
+ return 1; /* major problem */
+
+ a = 0x1a; /* skip -- not sure what this information is! */
+
+ list2 = aim_readtlvchain(block1->value+a, block1->length-a);
+ if (aim_gettlv(list2, 0x2711, 1))
+ {
+ struct aim_tlv_t *name;
+ int len;
+
+ name = aim_gettlv(list2, 0x2711, 1);
+
+ exchange = aimutil_get16(name->value+0);
+
+ len = aimutil_get16(name->value+2);
+ roomname = (char *)malloc(len+1);
+ memcpy(roomname, name->value+3, len);
+ roomname[len] = '\0';
+
+ instance = aimutil_get16(name->value+3+len);
+ }
+
+ if (aim_gettlv(list2, 0x000c, 1))
+ msg = aim_gettlv_str(list2, 0x000c, 1);
+
+ if (aim_gettlv(list2, 0x000d, 1))
+ encoding = aim_gettlv_str(list2, 0x000d, 1);
- /*
- * Message string length, including flag words.
- */
- i = aimutil_get16(msgblock+j);
- j += 2;
-
- /*
- * Flag words.
- *
- * Its rumored that these can kick in some funky
- * 16bit-wide char stuff that used to really kill
- * libfaim. Hopefully the latter is no longer true.
- *
- * Though someone should investiagte the former.
- *
- */
- flag1 = aimutil_get16(msgblock+j);
- j += 2;
- flag2 = aimutil_get16(msgblock+j);
- j += 2;
-
- if (flag1 || flag2)
- printf("faim: icbm: **warning: encoding flags are being used! {%04x, %04x}\n", flag1, flag2);
-
- /*
- * Message string.
- */
- i -= 4;
- msg = (char *)malloc(i+1);
- memcpy(msg, msgblock+j, i);
- msg[i] = '\0';
+ if (aim_gettlv(list2, 0x000e, 1))
+ lang = aim_gettlv_str(list2, 0x000e, 1);
+
+ /*
+ * Call client.
+ */
+ userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
+ if (userfunc)
+ i = userfunc(sess, command, channel, &userinfo, roomname, msg, encoding+1, lang+1, exchange, instance);
+ else
+ i = 0;
+
+ free(roomname);
+ free(msg);
+ free(encoding);
+ free(lang);
+ aim_freetlvchain(&list2);
+ }
/*
* Free up the TLV chain.
*/
aim_freetlvchain(&tlvlist);
+
- /*
- * Call client.
- */
- userfunc = aim_callhandler(command->conn, 0x0004, 0x0007);
- if (userfunc)
- i = userfunc(command, &userinfo, msg, isautoresponse, flag1, flag2);
- else
- i = 0;
-
- free(msg);
-
- return 1;
+ return i;
}
/*
* idea.
*
*/
-u_long aim_seticbmparam(struct aim_conn_t *conn)
+u_long aim_seticbmparam(struct aim_session_t *sess,
+ struct aim_conn_t *conn)
{
struct command_tx_struct newpacket;
int curbyte;
if (conn)
newpacket.conn = conn;
else
- newpacket.conn = aim_getconn_type(AIM_CONN_TYPE_BOS);
+ newpacket.conn = aim_getconn_type(sess, AIM_CONN_TYPE_BOS);
newpacket.type = 0x02;
newpacket.commandlen = 10 + 16;
newpacket.data = (u_char *) malloc (newpacket.commandlen);
- curbyte = aim_putsnac(newpacket.data, 0x0004, 0x0002, 0x0000, aim_snac_nextid);
+ curbyte = aim_putsnac(newpacket.data, 0x0004, 0x0002, 0x0000, sess->snac_nextid);
curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
curbyte += aimutil_put32(newpacket.data+curbyte, 0x00000003);
curbyte += aimutil_put8(newpacket.data+curbyte, 0x1f);
curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
curbyte += aimutil_put16(newpacket.data+curbyte, 0x0000);
- aim_tx_enqueue(&newpacket);
+ aim_tx_enqueue(sess, &newpacket);
+
+ return (sess->snac_nextid++);
+}
+
+int aim_parse_msgerror_middle(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;
+
+ /*
+ * Get SNAC from packet and look it up
+ * the list of unrepliedto/outstanding
+ * SNACs.
+ *
+ * After its looked up, the SN that the
+ * message should've gone to will be
+ * in the ->data element of the snac struct.
+ *
+ */
+ snacid = aimutil_get32(command->data+6);
+ snac = aim_remsnac(sess, snacid);
+
+ if (!snac)
+ {
+ printf("faim: msgerr: got an ICBM-failed error on an unknown SNAC ID! (%08lx)\n", snacid);
+ }
+
+ /*
+ * Call client.
+ */
+ userfunc = aim_callhandler(command->conn, 0x0004, 0x0001);
+ if (userfunc)
+ ret = userfunc(sess, command, (snac)?snac->data:"(UNKNOWN)");
+ else
+ ret = 0;
+
+ free(snac->data);
+ free(snac);
- return (aim_snac_nextid++);
+ return ret;
}