#include <ctype.h>
#include <string.h>
#include <syslog.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
#include <limits.h>
#include "citadel.h"
#include "server.h"
#define desired_section ((char *)CtdlGetUserData(SYM_DESIRED_SECTION))
#define ma ((struct ma_info *)CtdlGetUserData(SYM_MA_INFO))
+#define msg_repl ((struct repl *)CtdlGetUserData(SYM_REPL))
extern struct config config;
"", "", "", "", "", "", "", "",
"",
"from",
- "", "", "", "", "", "",
+ "", "", "",
+ "exti",
+ "", "",
"hnod",
"msgn",
"", "", "",
"path",
"",
"rcpt",
- "",
+ "spec",
"time",
"subj",
"",
"",
"",
"",
- "zaps"
+ ""
};
/*
int a, b;
char aaa[300], bbb[300];
- lprintf(9, "alias() called for <%s>\n", name);
-
remove_any_whitespace_to_the_left_or_right_of_at_symbol(name);
fp = fopen("network/mail.aliases", "r");
CIT_UBYTE field_header;
size_t field_length;
-
dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
if (dmsgtext == NULL) {
- lprintf(9, "CtdlFetchMessage(%ld) failed.\n");
return NULL;
}
mptr = dmsgtext->ptr;
cdb_free(dmsgtext);
+ /* Always make sure there's something in the msg text field */
+ if (ret->cm_fields['M'] == NULL)
+ ret->cm_fields['M'] = strdoop("<no text>\n");
+
/* Perform "before read" hooks (aborting if any return nonzero) */
if (PerformMessageHooks(ret, EVT_BEFOREREAD) > 0) {
CtdlFreeMessage(ret);
/* */
msg_num = atol(msgid);
+ safestrncpy(mid, msgid, sizeof mid);
if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
output_message(msgid, MT_DOWNLOAD, 0);
}
+
+/*
+ * Save a message pointer into a specified room
+ * (Returns 0 for success, nonzero for failure)
+ * roomname may be NULL to use the current room
+ */
+int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
+ int i;
+ char hold_rm[ROOMNAMELEN];
+ struct cdbdata *cdbfr;
+ int num_msgs;
+ long *msglist;
+ long highest_msg = 0L;
+ struct CtdlMessage *msg = NULL;
+
+ lprintf(9, "CtdlSaveMsgPointerInRoom(%s, %ld, %d)\n",
+ roomname, msgid, flags);
+
+ strcpy(hold_rm, CC->quickroom.QRname);
+
+ /* We may need to check to see if this message is real */
+ if ( (flags & SM_VERIFY_GOODNESS)
+ || (flags & SM_DO_REPL_CHECK)
+ ) {
+ msg = CtdlFetchMessage(msgid);
+ if (msg == NULL) return(ERROR + ILLEGAL_VALUE);
+ }
+
+ /* Perform replication checks if necessary */
+ if ( (flags & SM_DO_REPL_CHECK) && (msg != NULL) ) {
+
+ if (getroom(&CC->quickroom,
+ ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
+ != 0) {
+ lprintf(9, "No such room <%s>\n", roomname);
+ if (msg != NULL) CtdlFreeMessage(msg);
+ return(ERROR + ROOM_NOT_FOUND);
+ }
+
+ if (ReplicationChecks(msg) != 0) {
+ getroom(&CC->quickroom, hold_rm);
+ if (msg != NULL) CtdlFreeMessage(msg);
+ lprintf(9, "Did replication, and newer exists\n");
+ return(0);
+ }
+ }
+
+ /* Now the regular stuff */
+ if (lgetroom(&CC->quickroom,
+ ((roomname != NULL) ? roomname : CC->quickroom.QRname) )
+ != 0) {
+ lprintf(9, "No such room <%s>\n", roomname);
+ if (msg != NULL) CtdlFreeMessage(msg);
+ return(ERROR + ROOM_NOT_FOUND);
+ }
+
+ cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long));
+ if (cdbfr == NULL) {
+ msglist = NULL;
+ num_msgs = 0;
+ } else {
+ msglist = mallok(cdbfr->len);
+ if (msglist == NULL)
+ lprintf(3, "ERROR malloc msglist!\n");
+ num_msgs = cdbfr->len / sizeof(long);
+ memcpy(msglist, cdbfr->ptr, cdbfr->len);
+ cdb_free(cdbfr);
+ }
+
+
+ /* Make sure the message doesn't already exist in this room. It
+ * is absolutely taboo to have more than one reference to the same
+ * message in a room.
+ */
+ if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
+ if (msglist[i] == msgid) {
+ lputroom(&CC->quickroom); /* unlock the room */
+ getroom(&CC->quickroom, hold_rm);
+ if (msg != NULL) CtdlFreeMessage(msg);
+ return(ERROR + ALREADY_EXISTS);
+ }
+ }
+
+ /* Now add the new message */
+ ++num_msgs;
+ msglist = reallok(msglist,
+ (num_msgs * sizeof(long)));
+
+ if (msglist == NULL) {
+ lprintf(3, "ERROR: can't realloc message list!\n");
+ }
+ msglist[num_msgs - 1] = msgid;
+
+ /* Sort the message list, so all the msgid's are in order */
+ num_msgs = sort_msglist(msglist, num_msgs);
+
+ /* Determine the highest message number */
+ highest_msg = msglist[num_msgs - 1];
+
+ /* Write it back to disk. */
+ cdb_store(CDB_MSGLISTS, &CC->quickroom.QRnumber, sizeof(long),
+ msglist, num_msgs * sizeof(long));
+
+ /* Free up the memory we used. */
+ phree(msglist);
+
+ /* Update the highest-message pointer and unlock the room. */
+ CC->quickroom.QRhighest = highest_msg;
+ lputroom(&CC->quickroom);
+ getroom(&CC->quickroom, hold_rm);
+
+ /* Bump the reference count for this message. */
+ AdjRefCount(msgid, +1);
+
+ /* Return success. */
+ if (msg != NULL) CtdlFreeMessage(msg);
+ return (0);
+}
+
+
+
/*
* Message base operation to send a message to the master file
* (returns new message number)
int i;
static char *forder = FORDER;
- lprintf(9, "serialize_message() called\n");
-
if (is_valid_message(msg) == 0) return; /* self check */
- lprintf(9, "magic number check OK.\n");
-
ret->len = 3;
for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL)
ret->len = ret->len +
strlen(msg->cm_fields[(int)forder[i]]) + 2;
- lprintf(9, "message is %d bytes\n", ret->len);
-
lprintf(9, "calling malloc\n");
ret->ser = mallok(ret->len);
if (ret->ser == NULL) {
ret->ser[2] = msg->cm_format_type;
wlen = 3;
- lprintf(9, "stuff\n");
for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
ret->ser[wlen++] = (char)forder[i];
strcpy(&ret->ser[wlen], msg->cm_fields[(int)forder[i]]);
}
if (ret->len != wlen) lprintf(3, "ERROR: len=%d wlen=%d\n",
ret->len, wlen);
- lprintf(9, "done serializing\n");
return;
}
+/*
+ * Back end for the ReplicationChecks() function
+ */
+void check_repl(long msgnum) {
+ struct CtdlMessage *msg;
+ time_t timestamp = (-1L);
+
+ lprintf(9, "check_repl() found message %ld\n", msgnum);
+ msg = CtdlFetchMessage(msgnum);
+ if (msg == NULL) return;
+ if (msg->cm_fields['T'] != NULL) {
+ timestamp = atol(msg->cm_fields['T']);
+ }
+ CtdlFreeMessage(msg);
+
+ if (timestamp > msg_repl->highest) {
+ msg_repl->highest = timestamp; /* newer! */
+ lprintf(9, "newer!\n");
+ return;
+ }
+ lprintf(9, "older!\n");
+
+ /* Existing isn't newer? Then delete the old one(s). */
+ CtdlDeleteMessages(CC->quickroom.QRname, msgnum, NULL);
+}
+
+
+/*
+ * Check to see if any messages already exist which carry the same Extended ID
+ * as this one.
+ *
+ * If any are found:
+ * -> With older timestamps: delete them and return 0. Message will be saved.
+ * -> With newer timestamps: return 1. Message save will be aborted.
+ */
+int ReplicationChecks(struct CtdlMessage *msg) {
+ struct CtdlMessage *template;
+ int abort_this = 0;
+
+ lprintf(9, "ReplicationChecks() started\n");
+ /* No extended id? Don't do anything. */
+ if (msg->cm_fields['E'] == NULL) return 0;
+ if (strlen(msg->cm_fields['E']) == 0) return 0;
+ lprintf(9, "Extended ID: <%s>\n", msg->cm_fields['E']);
+
+ CtdlAllocUserData(SYM_REPL, sizeof(struct repl));
+ strcpy(msg_repl->extended_id, msg->cm_fields['E']);
+ msg_repl->highest = atol(msg->cm_fields['T']);
+
+ template = (struct CtdlMessage *) malloc(sizeof(struct CtdlMessage));
+ memset(template, 0, sizeof(struct CtdlMessage));
+ template->cm_fields['E'] = strdoop(msg->cm_fields['E']);
+
+ CtdlForEachMessage(MSGS_ALL, 0L, NULL, template, check_repl);
+
+ /* If a newer message exists with the same Extended ID, abort
+ * this save.
+ */
+ if (msg_repl->highest > atol(msg->cm_fields['T']) ) {
+ abort_this = 1;
+ }
+
+ CtdlFreeMessage(template);
+ lprintf(9, "ReplicationChecks() returning %d\n", abort_this);
+ return(abort_this);
+}
+
+
+
+
/*
* Save a message to disk
*/
char hold_rm[ROOMNAMELEN];
char actual_rm[ROOMNAMELEN];
char force_room[ROOMNAMELEN];
- char content_type[256]; /* We have to learn this */
+ char content_type[256]; /* We have to learn this */
char recipient[256];
long newmsgid;
char *mptr;
struct usersupp userbuf;
int a;
- int successful_local_recipients = 0;
- struct quickroom qtemp;
struct SuppMsgInfo smi;
FILE *network_fp = NULL;
static int seqnum = 1;
}
}
+ /* Goto the correct room */
+ strcpy(hold_rm, CC->quickroom.QRname);
+ strcpy(actual_rm, CC->quickroom.QRname);
+
+ /* If the user is a twit, move to the twit room for posting */
+ if (TWITDETECT) {
+ if (CC->usersupp.axlevel == 2) {
+ strcpy(hold_rm, actual_rm);
+ strcpy(actual_rm, config.c_twitroom);
+ }
+ }
+
+ /* ...or if this message is destined for Aide> then go there. */
+ if (strlen(force_room) > 0) {
+ strcpy(actual_rm, force_room);
+ }
+
+ if (strcasecmp(actual_rm, CC->quickroom.QRname))
+ getroom(&CC->quickroom, actual_rm);
+
/* Perform "before save" hooks (aborting if any return nonzero) */
if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return;
+ /* If this message has an Extended ID, perform replication checks */
+ if (ReplicationChecks(msg) > 0) return;
+
/* Network mail - send a copy to the network program. */
if ((strlen(recipient) > 0) && (mailtype != MES_LOCAL)) {
sprintf(aaa, "./network/spoolin/netmail.%04lx.%04x.%04x",
fclose(network_fp);
system("exec nohup ./netproc -i >/dev/null 2>&1 &");
}
- if (newmsgid <= 0L)
- return;
- strcpy(actual_rm, CC->quickroom.QRname);
- strcpy(hold_rm, "");
+ if (newmsgid <= 0L) return;
+
+ /* Write a supplemental message info record. This doesn't have to
+ * be a critical section because nobody else knows about this message
+ * yet.
+ */
+ memset(&smi, 0, sizeof(struct SuppMsgInfo));
+ smi.smi_msgnum = newmsgid;
+ smi.smi_refcount = 0;
+ safestrncpy(smi.smi_content_type, content_type, 64);
+ PutSuppMsgInfo(&smi);
+
+ /* Now figure out where to store the pointers */
+
/* If this is being done by the networker delivering a private
* message, we want to BYPASS saving the sender's copy (because there
* is no local sender; it would otherwise go to the Trashcan).
*/
if ((!CC->internal_pgm) || (strlen(recipient) == 0)) {
- /* If the user is a twit, move to the twit room for posting */
- if (TWITDETECT)
- if (CC->usersupp.axlevel == 2) {
- strcpy(hold_rm, actual_rm);
- strcpy(actual_rm, config.c_twitroom);
- }
- /* ...or if this message is destined for Aide> then go there. */
- if (strlen(force_room) > 0) {
- strcpy(hold_rm, actual_rm);
- strcpy(actual_rm, force_room);
- }
- /* This call to usergoto() changes rooms if necessary. It also
- * causes the latest message list to be read into memory.
- */
- usergoto(actual_rm, 0);
-
- /* read in the quickroom record, obtaining a lock... */
- lgetroom(&CC->quickroom, actual_rm);
-
- /* Fix an obscure bug */
- if (!strcasecmp(CC->quickroom.QRname, AIDEROOM)) {
- CC->quickroom.QRflags =
- CC->quickroom.QRflags & ~QR_MAILBOX;
- }
- /* Add the message pointer to the room */
- CC->quickroom.QRhighest =
- AddMessageToRoom(&CC->quickroom, newmsgid);
-
- /* update quickroom */
- lputroom(&CC->quickroom);
- ++successful_local_recipients;
+ CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
}
/* Bump this user's messages posted counter. */
if ((strlen(recipient) > 0) && (mailtype == MES_LOCAL)) {
if (getuser(&userbuf, recipient) == 0) {
MailboxName(actual_rm, &userbuf, MAILROOM);
- if (lgetroom(&qtemp, actual_rm) == 0) {
- qtemp.QRhighest =
- AddMessageToRoom(&qtemp, newmsgid);
- lputroom(&qtemp);
- ++successful_local_recipients;
- }
+ CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0);
}
}
- /* If we've posted in a room other than the current room, then we
- * have to now go back to the current room...
- */
- if (strlen(hold_rm) > 0) {
- usergoto(hold_rm, 0);
- }
-
- /* Write a supplemental message info record. This doesn't have to
- * be a critical section because nobody else knows about this message
- * yet.
- */
- memset(&smi, 0, sizeof(struct SuppMsgInfo));
- smi.smi_msgnum = newmsgid;
- smi.smi_refcount = successful_local_recipients;
- safestrncpy(smi.smi_content_type, content_type, 64);
- PutSuppMsgInfo(&smi);
/* Perform "after save" hooks */
PerformMessageHooks(msg, EVT_AFTERSAVE);
+
+ /* */
+ if (strcasecmp(hold_rm, CC->quickroom.QRname))
+ getroom(&CC->quickroom, hold_rm);
}
}
+
+/*
+ * Back end function used by make_message() and similar functions
+ */
+char *CtdlReadMessageBody(char *terminator, size_t maxlen) {
+ char buf[256];
+ size_t message_len = 0;
+ size_t buffer_len = 0;
+ char *ptr, *append;
+ char *m;
+
+ m = mallok(4096);
+ if (m == NULL) {
+ while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) ;;
+ return(NULL);
+ } else {
+ buffer_len = 4096;
+ m[0] = 0;
+ message_len = 0;
+ }
+ /* read in the lines of message text one by one */
+ append = NULL;
+ while ( (client_gets(buf)>0) && strcmp(buf, terminator) ) {
+
+ /* augment the buffer if we have to */
+ if ((message_len + strlen(buf) + 2) > buffer_len) {
+ lprintf(9, "realloking\n");
+ ptr = reallok(m, (buffer_len * 2) );
+ if (ptr == NULL) { /* flush if can't allocate */
+ while ( (client_gets(buf)>0) &&
+ strcmp(buf, terminator)) ;;
+ return(m);
+ } else {
+ buffer_len = (buffer_len * 2);
+ m = ptr;
+ append = NULL;
+ lprintf(9, "buffer_len is %d\n", buffer_len);
+ }
+ }
+
+ if (append == NULL) append = m;
+ while (strlen(append) > 0) ++append;
+ strcpy(append, buf);
+ strcat(append, "\n");
+ message_len = message_len + strlen(buf) + 1;
+
+ /* if we've hit the max msg length, flush the rest */
+ if (message_len >= maxlen) {
+ while ( (client_gets(buf)>0) && strcmp(buf, terminator)) ;;
+ return(m);
+ }
+ }
+ return(m);
+}
+
+
+
+
/*
* Build a binary message to be saved on disk.
*/
int a;
char dest_node[32];
char buf[256];
- size_t message_len = 0;
- size_t buffer_len = 0;
- char *ptr;
struct CtdlMessage *msg;
msg = mallok(sizeof(struct CtdlMessage));
if (dest_node[0] != 0)
msg->cm_fields['D'] = strdoop(dest_node);
- msg->cm_fields['M'] = mallok(4096);
- if (msg->cm_fields['M'] == NULL) {
- while (client_gets(buf), strcmp(buf, "000")) ;; /* flush */
- return(msg);
- } else {
- buffer_len = 4096;
- msg->cm_fields['M'][0] = 0;
- message_len = 0;
- }
-
- /* read in the lines of message text one by one */
- while (client_gets(buf), strcmp(buf, "000")) {
- /* augment the buffer if we have to */
- if ((message_len + strlen(buf) + 2) > buffer_len) {
- ptr = reallok(msg->cm_fields['M'], (buffer_len * 2) );
- if (ptr == NULL) { /* flush if can't allocate */
- while (client_gets(buf), strcmp(buf, "000")) ;;
- return(msg);
- } else {
- buffer_len = (buffer_len * 2);
- msg->cm_fields['M'] = ptr;
- }
- }
+ msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen);
- strcat(msg->cm_fields['M'], buf);
- strcat(msg->cm_fields['M'], "\n");
-
- /* if we've hit the max msg length, flush the rest */
- if (message_len >= config.c_maxmsglen) {
- while (client_gets(buf), strcmp(buf, "000")) ;;
- return(msg);
- }
- }
return(msg);
}
char recp[256];
int a;
int e = 0;
+ int valid_msg = 1;
unsigned char ch, which_field;
struct usersupp tempUS;
long msglen;
while (msglen > 0) {
client_read(&which_field, 1);
+ if (!isalpha(which_field)) valid_msg = 0;
--msglen;
tempbuf[0] = 0;
do {
tempbuf[a+1] = 0;
tempbuf[a] = ch;
} while ( (ch != 0) && (msglen > 0) );
- msg->cm_fields[which_field] = strdoop(tempbuf);
+ if (valid_msg)
+ msg->cm_fields[which_field] = strdoop(tempbuf);
}
msg->cm_flags = CM_SKIP_HOOKS;
- CtdlSaveMsg(msg, recp, "", e, 0);
+ if (valid_msg) CtdlSaveMsg(msg, recp, "", e, 0);
CtdlFreeMessage(msg);
phree(tempbuf);
}
/*
- * move a message to another room
+ * move or copy a message to another room
*/
void cmd_move(char *args)
{
long num;
- char targ[32];
+ char targ[256];
struct quickroom qtemp;
- int foundit;
+ int err;
+ int is_copy = 0;
num = extract_long(args, 0);
extract(targ, args, 1);
+ targ[ROOMNAMELEN - 1] = 0;
+ is_copy = extract_int(args, 2);
getuser(&CC->usersupp, CC->curr_user);
if ((CC->usersupp.axlevel < 6)
ERROR + HIGHER_ACCESS_REQUIRED);
return;
}
+
if (getroom(&qtemp, targ) != 0) {
cprintf("%d '%s' does not exist.\n", ERROR, targ);
return;
}
- /* Bump the reference count, otherwise the message will be deleted
- * from disk when we remove it from the source room.
- */
- AdjRefCount(num, 1);
-
- /* yank the message out of the current room... */
- foundit = CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
- if (foundit) {
- /* put the message into the target room */
- lgetroom(&qtemp, targ);
- qtemp.QRhighest = AddMessageToRoom(&qtemp, num);
- lputroom(&qtemp);
- cprintf("%d Message moved.\n", OK);
- } else {
- AdjRefCount(num, (-1)); /* oops */
- cprintf("%d msg %ld does not exist.\n", ERROR, num);
+ err = CtdlSaveMsgPointerInRoom(targ, num,
+ (SM_VERIFY_GOODNESS | SM_DO_REPL_CHECK) );
+ if (err != 0) {
+ cprintf("%d Cannot store message in %s: error %d\n",
+ err, targ, err);
+ return;
}
+
+ /* Now delete the message from the source room,
+ * if this is a 'move' rather than a 'copy' operation.
+ */
+ if (is_copy == 0) CtdlDeleteMessages(CC->quickroom.QRname, num, NULL);
+
+ cprintf("%d Message %s.\n", OK, (is_copy ? "copied" : "moved") );
}
projects / citadel.git / blobdiff