/*
- * serv_chat.c
+ * $Id$
*
* This module handles all "real time" communication between users. The
* modes of communication currently supported are Chat and Paging.
*
- * $Id$
*/
#include "sysdep.h"
#include <stdlib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/time.h>
+#ifdef TIME_WITH_SYS_TIME
+#include <time.h>
+#endif
#include <sys/wait.h>
#include <string.h>
#include <limits.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
#include "citadel.h"
#include "server.h"
#include <syslog.h>
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
#include "serv_chat.h"
#include "sysdep_decls.h"
#include "citserver.h"
#include "dynloader.h"
#include "tools.h"
#include "msgbase.h"
+#include "user_ops.h"
+#include "room_ops.h"
struct ChatLine *ChatQueue = NULL;
int ChatLastMsg = 0;
extern struct CitContext *ContextList;
-char *Dynamic_Module_Init(void)
-{
- CtdlRegisterProtoHook(cmd_chat, "CHAT", "Begin real-time chat");
- CtdlRegisterProtoHook(cmd_pexp, "PEXP", "Poll for express messages");
- CtdlRegisterProtoHook(cmd_gexp, "GEXP", "Get express messages");
- CtdlRegisterProtoHook(cmd_sexp, "SEXP", "Send an express message");
- CtdlRegisterSessionHook(delete_express_messages, EVT_STOP);
- CtdlRegisterXmsgHook(send_express_message);
- return "$Id$";
-}
-void allwrite(char *cmdbuf, int flag, char *roomname, char *username)
+
+void allwrite(char *cmdbuf, int flag, char *username)
{
FILE *fp;
- char bcast[256];
+ char bcast[SIZ];
char *un;
struct ChatLine *clptr, *clnew;
time_t now;
time(&now);
clnew->next = NULL;
clnew->chat_time = now;
- strncpy(clnew->chat_room, roomname, sizeof clnew->chat_room);
+ safestrncpy(clnew->chat_room, CC->quickroom.QRname,
+ sizeof clnew->chat_room);
clnew->chat_room[sizeof clnew->chat_room - 1] = 0;
if (username) {
- strncpy(clnew->chat_username, username,
+ safestrncpy(clnew->chat_username, username,
sizeof clnew->chat_username);
clnew->chat_username[sizeof clnew->chat_username - 1] = 0;
} else
}
/* Then, before releasing the lock, free the expired messages */
- while (1) {
- if (ChatQueue == NULL)
- goto DONE_FREEING;
- if ((now - ChatQueue->chat_time) < 120L)
- goto DONE_FREEING;
+ while ((ChatQueue != NULL) && (now - ChatQueue->chat_time >= 120L)) {
clptr = ChatQueue;
ChatQueue = ChatQueue->next;
phree(clptr);
}
- DONE_FREEING:end_critical_section(S_CHATQUEUE);
+ end_critical_section(S_CHATQUEUE);
}
{
struct CitContext *ccptr;
int count = 0;
+ int count_elsewhere = 0;
+ char roomname[ROOMNAMELEN];
if ((allflag == 0) || (allflag == 1))
cprintf(":|\n:| Users currently in chat:\n");
begin_critical_section(S_SESSION_TABLE);
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
- if (!strcasecmp(ccptr->cs_room, "<chat>")) ++count;
- if ((!strcasecmp(ccptr->cs_room, "<chat>"))
+ if (ccptr->cs_flags & CS_CHAT) {
+ if (!strcasecmp(ccptr->quickroom.QRname,
+ CC->quickroom.QRname)) {
+ ++count;
+ }
+ else {
+ ++count_elsewhere;
+ }
+ }
+
+ GenerateRoomDisplay(roomname, ccptr, CC);
+ if ((CC->usersupp.axlevel < 6)
+ && (strlen(ccptr->fake_roomname)>0)) {
+ strcpy(roomname, ccptr->fake_roomname);
+ }
+
+ if ((ccptr->cs_flags & CS_CHAT)
&& ((ccptr->cs_flags & CS_STEALTH) == 0)) {
- if ((allflag == 0) || (allflag == 1))
- cprintf(":| %-25s <%s>\n", (ccptr->fake_username[0]) ? ccptr->fake_username : ccptr->curr_user, ccptr->chat_room);
+ if ((allflag == 0) || (allflag == 1)) {
+ cprintf(":| %-25s <%s>:\n",
+ (ccptr->fake_username[0]) ? ccptr->fake_username : ccptr->curr_user,
+ roomname);
+ }
}
}
if (allflag == 1) {
cprintf(":|\n:| Users not in chat:\n");
for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
- if ((strcasecmp(ccptr->cs_room, "<chat>"))
+
+ GenerateRoomDisplay(roomname, ccptr, CC);
+ if ((CC->usersupp.axlevel < 6)
+ && (strlen(ccptr->fake_roomname)>0)) {
+ strcpy(roomname, ccptr->fake_roomname);
+ }
+
+ if (((ccptr->cs_flags & CS_CHAT) == 0)
&& ((ccptr->cs_flags & CS_STEALTH) == 0)) {
- cprintf(":| %-25s <%s>:\n", (ccptr->fake_username[0]) ? ccptr->fake_username : ccptr->curr_user, (ccptr->fake_roomname[0]) ? ccptr->fake_roomname : ccptr->cs_room);
+ cprintf(":| %-25s <%s>:\n",
+ (ccptr->fake_username[0]) ? ccptr->fake_username : ccptr->curr_user,
+ roomname);
}
}
}
end_critical_section(S_SESSION_TABLE);
if (allflag == 2) {
- if (count > 1)
+ if (count > 1) {
cprintf(":|There are %d users here.\n", count);
- else
+ }
+ else {
cprintf(":|Note: you are the only one here.\n");
+ }
+ if (count_elsewhere > 0) {
+ cprintf(":|There are %d users chatting in other rooms.\n", count_elsewhere);
+ }
}
cprintf(":|\n");
void cmd_chat(char *argbuf)
{
- char cmdbuf[256];
+ char cmdbuf[SIZ];
char *un;
char *strptr1;
- char hold_cs_room[ROOMNAMELEN];
int MyLastMsg, ThisLastMsg;
struct ChatLine *clptr;
struct CitContext *t_context;
cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
return;
}
- strcpy(CC->chat_room, "Main room");
- safestrncpy(hold_cs_room, CC->cs_room, sizeof hold_cs_room);
CC->cs_flags = CC->cs_flags | CS_CHAT;
- set_wtmpsupp("<chat>");
cprintf("%d Entering chat mode (type '/help' for available commands)\n",
START_CHAT_MODE);
MyLastMsg = ChatLastMsg;
if ((CC->cs_flags & CS_STEALTH) == 0) {
- allwrite("<entering chat>", 0, CC->chat_room, NULL);
+ allwrite("<entering chat>", 0, NULL);
}
strcpy(cmdbuf, "");
while (1) {
int ok_cmd;
+ int linelen;
ok_cmd = 0;
- cmdbuf[strlen(cmdbuf) + 1] = 0;
- retval = client_read_to(&cmdbuf[strlen(cmdbuf)], 1, 2);
+ linelen = strlen(cmdbuf);
+ if (linelen > 100) --linelen; /* truncate too-long lines */
+ cmdbuf[linelen + 1] = 0;
+
+ retval = client_read_to(&cmdbuf[linelen], 1, 2);
+
+ if (retval < 0) { /* socket broken? */
+ if ((CC->cs_flags & CS_STEALTH) == 0) {
+ allwrite("<disconnected>", 0, NULL);
+ }
+ return;
+ }
/* if we have a complete line, do send processing */
if (strlen(cmdbuf) > 0)
if (!strcmp(cmdbuf, "000")) {
if ((CC->cs_flags & CS_STEALTH) == 0) {
- allwrite("<exiting chat>", 0, CC->chat_room, NULL);
+ allwrite("<exiting chat>", 0, NULL);
}
sleep(1);
cprintf("000\n");
CC->cs_flags = CC->cs_flags - CS_CHAT;
- set_wtmpsupp(hold_cs_room);
return;
}
if ((!strcasecmp(cmdbuf, "/help"))
cprintf(":|/whobbs (list users in chat -and- elsewhere) \n");
cprintf(":|/me ('action' line, ala irc) \n");
cprintf(":|/msg (send private message, ala irc) \n");
- cprintf(":|/join (join new room) \n");
cprintf(":|/quit (return to the BBS) \n");
cprintf(":|\n");
ok_cmd = 1;
ok_cmd = 1;
}
if (!strncasecmp(cmdbuf, "/me ", 4)) {
- allwrite(&cmdbuf[4], 1, CC->chat_room, NULL);
+ allwrite(&cmdbuf[4], 1, NULL);
ok_cmd = 1;
}
if (!strncasecmp(cmdbuf, "/msg ", 5)) {
ok_cmd = 1;
strptr1 = &cmdbuf[5];
if ((t_context = find_context(&strptr1))) {
- allwrite(strptr1, 2, "", CC->curr_user);
+ allwrite(strptr1, 2, CC->curr_user);
if (strcasecmp(CC->curr_user, t_context->curr_user))
- allwrite(strptr1, 2, "", t_context->curr_user);
+ allwrite(strptr1, 2, t_context->curr_user);
} else
cprintf(":|User not found.\n", cmdbuf);
cprintf("\n");
}
- if (!strncasecmp(cmdbuf, "/join ", 6)) {
- ok_cmd = 1;
- allwrite("<changing rooms>", 0, CC->chat_room, NULL);
- if (!cmdbuf[6])
- strcpy(CC->chat_room, "Main room");
- else {
- strncpy(CC->chat_room, &cmdbuf[6],
- sizeof CC->chat_room);
- CC->chat_room[sizeof CC->chat_room - 1] = 0;
- }
- allwrite("<joining room>", 0, CC->chat_room, NULL);
- cprintf("\n");
- }
if ((cmdbuf[0] != '/') && (strlen(cmdbuf) > 0)) {
ok_cmd = 1;
- allwrite(cmdbuf, 0, CC->chat_room, NULL);
+ allwrite(cmdbuf, 0, NULL);
}
if ((!ok_cmd) && (cmdbuf[0]) && (cmdbuf[0] != '\n'))
cprintf(":|Command %s is not understood.\n", cmdbuf);
ThisLastMsg = ChatLastMsg;
for (clptr = ChatQueue; clptr != NULL; clptr = clptr->next) {
if ((clptr->chat_seq > MyLastMsg) && ((!clptr->chat_username[0]) || (!strncasecmp(un, clptr->chat_username, 32)))) {
- if ((!clptr->chat_room[0]) || (!strncasecmp(CC->chat_room, clptr->chat_room, ROOMNAMELEN))) {
+ if ((!clptr->chat_room[0]) || (!strncasecmp(CC->quickroom.QRname, clptr->chat_room, ROOMNAMELEN))) {
cprintf("%s\n", clptr->chat_text);
}
}
cprintf("Message ");
cprintf("from %s:\n", ptr->sender);
if (ptr->text != NULL)
- memfmout(80, ptr->text, 0);
+ memfmout(80, ptr->text, 0, "\n");
holdptr = ptr->next;
if (ptr->text != NULL) phree(ptr->text);
ptr->sender, /* sender of msg */
config.c_nodename); /* static for now */
if (ptr->text != NULL) {
- memfmout(80, ptr->text, 0);
+ memfmout(80, ptr->text, 0, "\n");
if (ptr->text[strlen(ptr->text)-1] != '\n') cprintf("\n");
phree(ptr->text);
}
}
+/*
+ * Back end support function for send_express_message() and company
+ */
+void add_xmsg_to_context(struct CitContext *ccptr,
+ struct ExpressMessage *newmsg)
+{
+ struct ExpressMessage *findend;
+
+ if (ccptr->FirstExpressMessage == NULL) {
+ ccptr->FirstExpressMessage = newmsg;
+ }
+ else {
+ findend = ccptr->FirstExpressMessage;
+ while (findend->next != NULL) {
+ findend = findend->next;
+ }
+ findend->next = newmsg;
+ }
+}
+
+
+
/*
* This is the back end to the express message sending function.
*/
int send_express_message(char *lun, char *x_user, char *x_msg)
{
- int message_sent = 0;
+ int message_sent = 0; /* number of successful sends */
+
struct CitContext *ccptr;
- struct ExpressMessage *newmsg, *findend;
+ struct ExpressMessage *newmsg;
char *un;
- FILE *fp;
size_t msglen = 0;
- int do_send = 0;
+ int do_send = 0; /* set to 1 to actually page, not
+ * just check to see if we can.
+ */
+ struct savelist *sl = NULL; /* list of rooms to save this page */
+ struct savelist *sptr;
+ struct CtdlMessage *logmsg;
+ char roomname[ROOMNAMELEN];
+ long msgnum;
if (strlen(x_msg) > 0) {
msglen = strlen(x_msg) + 4;
else
un = ccptr->usersupp.fullname;
- if ((!strcasecmp(un, x_user))
- || (!strcasecmp(x_user, "broadcast"))) {
+ if ( ((!strcasecmp(un, x_user))
+ || (!strcasecmp(x_user, "broadcast")))
+ && ((ccptr->disable_exp == 0)
+ || (CC->usersupp.axlevel >= 6)) ) {
if (do_send) {
newmsg = (struct ExpressMessage *)
mallok(sizeof (struct ExpressMessage));
memset(newmsg, 0,
sizeof (struct ExpressMessage));
+ time(&(newmsg->timestamp));
safestrncpy(newmsg->sender, lun,
sizeof newmsg->sender);
if (!strcasecmp(x_user, "broadcast"))
newmsg->flags |= EM_BROADCAST;
- newmsg->text = mallok(msglen);
- safestrncpy(newmsg->text, x_msg, msglen);
-
- if (ccptr->FirstExpressMessage == NULL)
- ccptr->FirstExpressMessage = newmsg;
- else {
- findend = ccptr->FirstExpressMessage;
- while (findend->next != NULL)
- findend = findend->next;
- findend->next = newmsg;
+ newmsg->text = strdoop(x_msg);
+
+ add_xmsg_to_context(ccptr, newmsg);
+
+ /* and log it ... */
+ if (ccptr != CC) {
+ sptr = (struct savelist *)
+ malloc(sizeof(struct savelist));
+ sptr->next = sl;
+ MailboxName(sptr->roomname,
+ &ccptr->usersupp, PAGELOGROOM);
+ sl = sptr;
}
}
++message_sent;
}
end_critical_section(S_SESSION_TABLE);
- /* Log the page to disk if configured to do so */
- if ((strlen(config.c_logpages) > 0) && (do_send) ) {
- fp = fopen(CC->temp, "wb");
- fprintf(fp, "%c%c%c", 255, MES_NORMAL, 0);
- fprintf(fp, "Psysop%c", 0);
- fprintf(fp, "T%ld%c", (long)time(NULL), 0);
- fprintf(fp, "A%s%c", lun, 0);
- fprintf(fp, "R%s%c", x_user, 0);
- fprintf(fp, "O%s%c", config.c_logpages, 0);
- fprintf(fp, "N%s%c", NODENAME, 0);
- fprintf(fp, "M%s\n%c", x_msg, 0);
- fclose(fp);
- save_message(CC->temp, "", config.c_logpages, MES_LOCAL, 1);
- unlink(CC->temp);
+ /* Log the page to disk if configured to do so */
+ if ( (do_send) && (message_sent) ) {
+
+ logmsg = mallok(sizeof(struct CtdlMessage));
+ memset(logmsg, 0, sizeof(struct CtdlMessage));
+ logmsg->cm_magic = CTDLMESSAGE_MAGIC;
+ logmsg->cm_anon_type = MES_NORMAL;
+ logmsg->cm_format_type = 0;
+ logmsg->cm_fields['A'] = strdoop(lun);
+ logmsg->cm_fields['N'] = strdoop(NODENAME);
+ logmsg->cm_fields['O'] = strdoop(PAGELOGROOM);
+ logmsg->cm_fields['R'] = strdoop(x_user);
+ logmsg->cm_fields['M'] = strdoop(x_msg);
+
+ MailboxName(roomname, &CC->usersupp, PAGELOGROOM);
+ create_room(roomname, 4, "", 0);
+ msgnum = CtdlSaveMsg(logmsg, "", roomname, MES_LOCAL);
+ if (strlen(config.c_logpages) > 0) {
+ create_room(config.c_logpages, 3, "", 0);
+ CtdlSaveMsgPointerInRoom(config.c_logpages, msgnum, 0);
+ }
+ while (sl != NULL) {
+ create_room(sl->roomname, 4, "", 0);
+ CtdlSaveMsgPointerInRoom(sl->roomname, msgnum, 0);
+ sptr = sl->next;
+ phree(sl);
+ sl = sptr;
+ }
+
+ CtdlFreeMessage(logmsg);
}
+
return (message_sent);
}
void cmd_sexp(char *argbuf)
{
int message_sent = 0;
- char x_user[256];
- char x_msg[256];
+ char x_user[SIZ];
+ char x_msg[SIZ];
char *lun; /* <bc> */
char *x_big_msgbuf = NULL;
if (!strcmp(x_msg, "-")) {
message_sent = PerformXmsgHooks(lun, x_user, "");
if (message_sent == 0) {
- cprintf("%d No user '%s' logged in.\n", ERROR, x_user);
+ cprintf("%d '%s' is not logged in "
+ "or is not accepting pages.\n",
+ ERROR, x_user);
return;
}
cprintf("%d Transmit message (will deliver to %d users)\n",
SEND_LISTING, message_sent);
- x_big_msgbuf = mallok(256);
- memset(x_big_msgbuf, 0, 256);
+ x_big_msgbuf = mallok(SIZ);
+ memset(x_big_msgbuf, 0, SIZ);
while (client_gets(x_msg), strcmp(x_msg, "000")) {
x_big_msgbuf = reallok(x_big_msgbuf,
strlen(x_big_msgbuf) + strlen(x_msg) + 4);
cprintf(" to %d users", message_sent);
cprintf(".\n");
} else {
- cprintf("%d No user '%s' logged in.\n", ERROR, x_user);
+ cprintf("%d '%s' is not logged in "
+ "or is not accepting pages.\n",
+ ERROR, x_user);
}
}
}
+
+
+
+/*
+ * Enter or exit paging-disabled mode
+ */
+void cmd_dexp(char *argbuf)
+{
+ int new_state;
+
+ if (!CC->logged_in) {
+ cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
+ return;
+ }
+
+ new_state = extract_int(argbuf, 0);
+ if ((new_state == 0) || (new_state == 1)) {
+ CC->disable_exp = new_state;
+ }
+ cprintf("%d %d\n", OK, CC->disable_exp);
+ }
+
+
+/*
+ * Request client termination
+ */
+void cmd_reqt(char *argbuf) {
+ struct CitContext *ccptr;
+ int sessions = 0;
+ int which_session;
+ struct ExpressMessage *newmsg;
+
+ if (CtdlAccessCheck(ac_aide)) return;
+ which_session = extract_int(argbuf, 0);
+
+ begin_critical_section(S_SESSION_TABLE);
+ for (ccptr = ContextList; ccptr != NULL; ccptr = ccptr->next) {
+ if ((ccptr->cs_pid == which_session) || (which_session == 0)) {
+
+ newmsg = (struct ExpressMessage *)
+ mallok(sizeof (struct ExpressMessage));
+ memset(newmsg, 0,
+ sizeof (struct ExpressMessage));
+ time(&(newmsg->timestamp));
+ safestrncpy(newmsg->sender, CC->usersupp.fullname,
+ sizeof newmsg->sender);
+ newmsg->flags |= EM_GO_AWAY;
+ newmsg->text = strdoop("Automatic logoff requested.");
+
+ add_xmsg_to_context(ccptr, newmsg);
+ ++sessions;
+
+ }
+ }
+ end_critical_section(S_SESSION_TABLE);
+ cprintf("%d Sent termination request to %d sessions.\n", OK, sessions);
+}
+
+
+
+char *Dynamic_Module_Init(void)
+{
+ CtdlRegisterProtoHook(cmd_chat, "CHAT", "Begin real-time chat");
+ CtdlRegisterProtoHook(cmd_pexp, "PEXP", "Poll for express messages");
+ CtdlRegisterProtoHook(cmd_gexp, "GEXP", "Get express messages");
+ CtdlRegisterProtoHook(cmd_sexp, "SEXP", "Send an express message");
+ CtdlRegisterProtoHook(cmd_dexp, "DEXP", "Disable express messages");
+ CtdlRegisterProtoHook(cmd_reqt, "REQT", "Request client termination");
+ CtdlRegisterSessionHook(delete_express_messages, EVT_STOP);
+ CtdlRegisterXmsgHook(send_express_message, XMSG_PRI_LOCAL);
+ return "$Id$";
+}
+
projects / citadel.git / blobdiff