]> code.citadel.org Git - citadel.git/blobdiff - citadel/msgbase.c
* sysdep.c: added new event hook type EVT_TIMER. Timer event hooks are called
[citadel.git] / citadel / msgbase.c
index f499e440f1289e3094b26fec4b9ea9c17ad6b0cb..c0982109108eb5aaa2751dc5b839fb8d8d45822c 100644 (file)
@@ -1,4 +1,5 @@
 /* $Id$ */
+
 #include "sysdep.h"
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <syslog.h>
 #include <limits.h>
-#include "citadel.h"
-#include "server.h"
 #include <errno.h>
+#include <stdarg.h>
 #include <sys/stat.h>
+#include "citadel.h"
+#include "server.h"
 #include "database.h"
 #include "msgbase.h"
 #include "support.h"
@@ -450,10 +452,10 @@ void do_help_subst(char *buffer)
  *             for here is to format text out to 80 columns before sending it
  *             to the client.  The client software may reformat it again.
  */
-void memfmout(int width, char *mptr, char subst)
-                       /* screen width to use */
-                       /* where are we going to get our text from? */
-                       /* nonzero if we should use hypertext mode */
+void memfmout(
+       int width,              /* screen width to use */
+       char *mptr,             /* where are we going to get our text from? */
+       char subst)             /* nonzero if we should do substitutions */
 {
        int a, b, c;
        int real = 0;
@@ -544,46 +546,6 @@ void list_this_part(char *name, char *filename, char *partnum, char *disp,
 }
 
 
-/*
- * Callback function for mime parser that wants to display text
- */
-void fixed_output(char *name, char *filename, char *partnum, char *disp,
-                 void *content, char *cbtype, size_t length)
-{
-       char *ptr;
-
-       if (!strcasecmp(cbtype, "multipart/alternative")) {
-               strcpy(ma->prefix, partnum);
-               strcat(ma->prefix, ".");
-               ma->is_ma = 1;
-               ma->did_print = 0;
-               return;
-       }
-
-       if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
-          && (ma->is_ma == 1) 
-          && (ma->did_print == 1) ) {
-               lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
-               return;
-       }
-
-       ma->did_print = 1;
-
-       if (!strcasecmp(cbtype, "text/plain")) {
-               client_write(content, length);
-       }
-       else if (!strcasecmp(cbtype, "text/html")) {
-               ptr = html_to_ascii(content, 80, 0);
-               client_write(ptr, strlen(ptr));
-               phree(ptr);
-       }
-       else if (strncasecmp(cbtype, "multipart/", 10)) {
-               cprintf("Part %s: %s (%s) (%d bytes)\n",
-                       partnum, filename, cbtype, length);
-       }
-}
-
-
 /*
  * Callback function for mime parser that opens a section for downloading
  */
@@ -614,7 +576,7 @@ void mime_download(char *name, char *filename, char *partnum, char *disp,
 
 /*
  * Load a message from disk into memory.
- * This is used by output_message() and other fetch functions.
+ * This is used by CtdlOutputMsg() and other fetch functions.
  *
  * NOTE: Caller is responsible for freeing the returned CtdlMessage struct
  *       using the CtdlMessageFree() function.
@@ -718,24 +680,81 @@ void CtdlFreeMessage(struct CtdlMessage *msg)
 }
 
 
+/*
+ * Callback function for mime parser that wants to display text
+ */
+void fixed_output(char *name, char *filename, char *partnum, char *disp,
+               void *content, char *cbtype, size_t length)
+       {
+               char *ptr;
+               char *wptr;
+               size_t wlen;
+               CIT_UBYTE ch;
+       
+               if (!strcasecmp(cbtype, "multipart/alternative")) {
+                       strcpy(ma->prefix, partnum);
+                       strcat(ma->prefix, ".");
+                       ma->is_ma = 1;
+                       ma->did_print = 0;
+                       return;
+               }
+       
+               if ( (!strncasecmp(partnum, ma->prefix, strlen(ma->prefix)))
+               && (ma->is_ma == 1) 
+               && (ma->did_print == 1) ) {
+                       lprintf(9, "Skipping part %s (%s)\n", partnum, cbtype);
+                       return;
+               }
+       
+               ma->did_print = 1;
+       
+               if ( (!strcasecmp(cbtype, "text/plain")) 
+                  || (strlen(cbtype)==0) ) {
+                       wlen = length;
+                       wptr = content;
+                       while (wlen--) {
+                               ch = *wptr++;
+                               if (ch==10) cprintf("\r\n");
+                               else cprintf("%c", ch);
+                       }
+               }
+               else if (!strcasecmp(cbtype, "text/html")) {
+                       ptr = html_to_ascii(content, 80, 0);
+                       wlen = strlen(ptr);
+                       wptr = ptr;
+                       while (wlen--) {
+                               ch = *wptr++;
+                               if (ch==10) cprintf("\r\n");
+                               else cprintf("%c", ch);
+                       }
+                       phree(ptr);
+               }
+               else if (strncasecmp(cbtype, "multipart/", 10)) {
+                       cprintf("Part %s: %s (%s) (%d bytes)\r\n",
+                               partnum, filename, cbtype, length);
+               }
+       }
+
 
 /*
- * Get a message off disk.  (return value is the message's timestamp)
+ * Get a message off disk.  (returns om_* values found in msgbase.h)
  * 
  */
-void output_message(char *msgid, int mode, int headers_only)
-{
-       long msg_num;
+int CtdlOutputMsg(long msg_num,                /* message number (local) to fetch */
+               int mode,               /* how would you like that message? */
+               int headers_only,       /* eschew the message body? */
+               int do_proto,           /* do Citadel protocol responses? */
+               int crlf                /* Use CRLF newlines instead of LF? */
+) {
        int a, i, k;
        char buf[1024];
        time_t xtime;
        CIT_UBYTE ch;
        char allkeys[256];
        char display_name[256];
-
-       struct CtdlMessage *TheMessage = NULL;
-
+       struct CtdlMessage *TheMessage;
        char *mptr;
+       char *nl;       /* newline string */
 
        /* buffers needed for RFC822 translation */
        char suser[256];
@@ -745,12 +764,17 @@ void output_message(char *msgid, int mode, int headers_only)
        char mid[256];
        /*                                       */
 
-       msg_num = atol(msgid);
-       safestrncpy(mid, msgid, sizeof mid);
+       lprintf(7, "CtdlOutputMsg() msgnum=%ld, mode=%d\n", 
+               msg_num, mode);
+
+       TheMessage = NULL;
+       sprintf(mid, "%ld", msg_num);
+       nl = (crlf ? "\r\n" : "\n");
 
        if ((!(CC->logged_in)) && (!(CC->internal_pgm))) {
-               cprintf("%d Not logged in.\n", ERROR + NOT_LOGGED_IN);
-               return;
+               if (do_proto) cprintf("%d Not logged in.\n",
+                       ERROR + NOT_LOGGED_IN);
+               return(om_not_logged_in);
        }
 
        /* FIX ... small security issue
@@ -760,9 +784,9 @@ void output_message(char *msgid, int mode, int headers_only)
         * broken production code with nonbroken pre-beta code.  :(   -- ajc
         *
         if (!msg_ok) {
-        cprintf("%d Message %ld is not in this room.\n",
+        if (do_proto) cprintf("%d Message %ld is not in this room.\n",
         ERROR, msg_num);
-        return;
+        return(om_no_such_msg);
         }
         */
 
@@ -771,17 +795,20 @@ void output_message(char *msgid, int mode, int headers_only)
         */
        TheMessage = CtdlFetchMessage(msg_num);
        if (TheMessage == NULL) {
-               cprintf("%d Can't locate msg %ld on disk\n", ERROR, msg_num);
-               return;
+               if (do_proto) cprintf("%d Can't locate msg %ld on disk\n",
+                       ERROR, msg_num);
+               return(om_no_such_msg);
        }
 
        /* Are we downloading a MIME component? */
        if (mode == MT_DOWNLOAD) {
                if (TheMessage->cm_format_type != FMT_RFC822) {
-                       cprintf("%d This is not a MIME message.\n",
+                       if (do_proto)
+                               cprintf("%d This is not a MIME message.\n",
                                ERROR);
                } else if (CC->download_fp != NULL) {
-                       cprintf("%d You already have a download open.\n",
+                       if (do_proto) cprintf(
+                               "%d You already have a download open.\n",
                                ERROR);
                } else {
                        /* Parse the message text component */
@@ -791,31 +818,35 @@ void output_message(char *msgid, int mode, int headers_only)
                         * section wasn't found, so print an error
                         */
                        if (CC->download_fp == NULL) {
-                               cprintf("%d Section %s not found.\n",
+                               if (do_proto) cprintf(
+                                       "%d Section %s not found.\n",
                                        ERROR + FILE_NOT_FOUND,
                                        desired_section);
                        }
                }
                CtdlFreeMessage(TheMessage);
-               return;
+               return((CC->download_fp != NULL) ? om_ok : om_mime_error);
        }
 
        /* now for the user-mode message reading loops */
-       cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
+       if (do_proto) cprintf("%d Message %ld:\n", LISTING_FOLLOWS, msg_num);
 
        /* Tell the client which format type we're using.  If this is a
         * MIME message, *lie* about it and tell the user it's fixed-format.
         */
        if (mode == MT_CITADEL) {
-               if (TheMessage->cm_format_type == FMT_RFC822)
-                       cprintf("type=1\n");
-               else
-                       cprintf("type=%d\n", TheMessage->cm_format_type);
+               if (TheMessage->cm_format_type == FMT_RFC822) {
+                       if (do_proto) cprintf("type=1\n");
+               }
+               else {
+                       if (do_proto) cprintf("type=%d\n",
+                               TheMessage->cm_format_type);
+               }
        }
 
        /* nhdr=yes means that we're only displaying headers, no body */
        if ((TheMessage->cm_anon_type == MES_ANON) && (mode == MT_CITADEL)) {
-               cprintf("nhdr=yes\n");
+               if (do_proto) cprintf("nhdr=yes\n");
        }
 
        /* begin header processing loop for Citadel message format */
@@ -846,12 +877,12 @@ void output_message(char *msgid, int mode, int headers_only)
                        if (k != 'M') {
                                if (TheMessage->cm_fields[k] != NULL) {
                                        if (k == 'A') {
-                                               cprintf("%s=%s\n",
+                                               if (do_proto) cprintf("%s=%s\n",
                                                        msgkeys[k],
                                                        display_name);
                                        }
                                        else {
-                                               cprintf("%s=%s\n",
+                                               if (do_proto) cprintf("%s=%s\n",
                                                        msgkeys[k],
                                                        TheMessage->cm_fields[k]
                                        );
@@ -869,6 +900,7 @@ void output_message(char *msgid, int mode, int headers_only)
        strcpy(snode, NODENAME);
        strcpy(lnode, HUMANNODE);
        if (mode == MT_RFC822) {
+               cprintf("X-UIDL: %ld%s", msg_num, nl);
                for (i = 0; i < 256; ++i) {
                        if (TheMessage->cm_fields[i]) {
                                mptr = TheMessage->cm_fields[i];
@@ -876,7 +908,7 @@ void output_message(char *msgid, int mode, int headers_only)
                                if (i == 'A') {
                                        strcpy(luser, mptr);
                                } else if (i == 'P') {
-                                       cprintf("Path: %s\n", mptr);
+                                       cprintf("Path: %s%s", mptr, nl);
                                        for (a = 0; a < strlen(mptr); ++a) {
                                                if (mptr[a] == '!') {
                                                        strcpy(mptr, &mptr[a + 1]);
@@ -885,17 +917,18 @@ void output_message(char *msgid, int mode, int headers_only)
                                        }
                                        strcpy(suser, mptr);
                                } else if (i == 'U')
-                                       cprintf("Subject: %s\n", mptr);
+                                       cprintf("Subject: %s%s", mptr, nl);
                                else if (i == 'I')
                                        strcpy(mid, mptr);
                                else if (i == 'H')
                                        strcpy(lnode, mptr);
                                else if (i == 'O')
-                                       cprintf("X-Citadel-Room: %s\n", mptr);
+                                       cprintf("X-Citadel-Room: %s%s",
+                                               mptr, nl);
                                else if (i == 'N')
                                        strcpy(snode, mptr);
                                else if (i == 'R')
-                                       cprintf("To: %s\n", mptr);
+                                       cprintf("To: %s%s", mptr, nl);
                                else if (i == 'T') {
                                        xtime = atol(mptr);
                                        cprintf("Date: %s", asctime(localtime(&xtime)));
@@ -908,10 +941,10 @@ void output_message(char *msgid, int mode, int headers_only)
                if (!strcasecmp(snode, NODENAME)) {
                        strcpy(snode, FQDN);
                }
-               cprintf("Message-ID: <%s@%s>\n", mid, snode);
+               cprintf("Message-ID: <%s@%s>%s", mid, snode, nl);
                PerformUserHooks(luser, (-1L), EVT_OUTPUTMSG);
-               cprintf("From: %s@%s (%s)\n", suser, snode, luser);
-               cprintf("Organization: %s\n", lnode);
+               cprintf("From: %s@%s (%s)%s", suser, snode, luser, nl);
+               cprintf("Organization: %s%s", lnode, nl);
        }
 
        /* end header processing loop ... at this point, we're in the text */
@@ -919,29 +952,45 @@ void output_message(char *msgid, int mode, int headers_only)
        mptr = TheMessage->cm_fields['M'];
 
        /* Tell the client about the MIME parts in this message */
-       if (TheMessage->cm_format_type == FMT_RFC822) { /* legacy text dump */
+       if (TheMessage->cm_format_type == FMT_RFC822) {
                if (mode == MT_CITADEL) {
                        mime_parser(mptr, NULL, *list_this_part);
                }
                else if (mode == MT_MIME) {     /* list parts only */
                        mime_parser(mptr, NULL, *list_this_part);
-                       cprintf("000\n");
+                       if (do_proto) cprintf("000\n");
                        CtdlFreeMessage(TheMessage);
-                       return;
+                       return(om_ok);
+               }
+               else if (mode == MT_RFC822) {   /* unparsed RFC822 dump */
+                       /* FIX ... we have to put some code in here to avoid
+                        * printing duplicate header information when both
+                        * Citadel and RFC822 headers exist.  Preference should
+                        * probably be given to the RFC822 headers.
+                        */
+                       while (ch=*(mptr++), ch!=0) {
+                               if (ch==13) ;
+                               else if (ch==10) cprintf("%s", nl);
+                               else cprintf("%c", ch);
+                       }
+                       if (do_proto) cprintf("000\n");
+                       CtdlFreeMessage(TheMessage);
+                       return(om_ok);
                }
        }
 
        if (headers_only) {
-               cprintf("000\n");
+               if (do_proto) cprintf("000\n");
                CtdlFreeMessage(TheMessage);
-               return;
+               return(om_ok);
        }
 
        /* signify start of msg text */
        if (mode == MT_CITADEL)
-               cprintf("text\n");
-       if ((mode == MT_RFC822) && (TheMessage->cm_format_type != FMT_RFC822))
-               cprintf("\n");
+               if (do_proto) cprintf("text\n");
+       if (mode == MT_RFC822) {
+               cprintf("%s", nl);
+       }
 
        /* If the format type on disk is 1 (fixed-format), then we want
         * everything to be output completely literally ... regardless of
@@ -953,7 +1002,7 @@ void output_message(char *msgid, int mode, int headers_only)
                        if (ch == 13)
                                ch = 10;
                        if ((ch == 10) || (strlen(buf) > 250)) {
-                               cprintf("%s\n", buf);
+                               cprintf("%s%s", buf, nl);
                                strcpy(buf, "");
                        } else {
                                buf[strlen(buf) + 1] = 0;
@@ -961,7 +1010,7 @@ void output_message(char *msgid, int mode, int headers_only)
                        }
                }
                if (strlen(buf) > 0)
-                       cprintf("%s\n", buf);
+                       cprintf("%s%s", buf, nl);
        }
 
        /* If the message on disk is format 0 (Citadel vari-format), we
@@ -987,9 +1036,9 @@ void output_message(char *msgid, int mode, int headers_only)
        }
 
        /* now we're done */
-       cprintf("000\n");
+       if (do_proto) cprintf("000\n");
        CtdlFreeMessage(TheMessage);
-       return;
+       return(om_ok);
 }
 
 
@@ -999,13 +1048,13 @@ void output_message(char *msgid, int mode, int headers_only)
  */
 void cmd_msg0(char *cmdbuf)
 {
-       char msgid[256];
+       long msgid;
        int headers_only = 0;
 
-       extract(msgid, cmdbuf, 0);
+       msgid = extract_long(cmdbuf, 0);
        headers_only = extract_int(cmdbuf, 1);
 
-       output_message(msgid, MT_CITADEL, headers_only);
+       CtdlOutputMsg(msgid, MT_CITADEL, headers_only, 1, 0);
        return;
 }
 
@@ -1015,13 +1064,13 @@ void cmd_msg0(char *cmdbuf)
  */
 void cmd_msg2(char *cmdbuf)
 {
-       char msgid[256];
+       long msgid;
        int headers_only = 0;
 
-       extract(msgid, cmdbuf, 0);
+       msgid = extract_long(cmdbuf, 0);
        headers_only = extract_int(cmdbuf, 1);
 
-       output_message(msgid, MT_RFC822, headers_only);
+       CtdlOutputMsg(msgid, MT_RFC822, headers_only, 1, 1);
 }
 
 
@@ -1070,11 +1119,10 @@ void cmd_msg3(char *cmdbuf)
  */
 void cmd_msg4(char *cmdbuf)
 {
-       char msgid[256];
+       long msgid;
 
-       extract(msgid, cmdbuf, 0);
-
-       output_message(msgid, MT_MIME, 0);
+       msgid = extract_long(cmdbuf, 0);
+       CtdlOutputMsg(msgid, MT_MIME, 0, 1, 0);
 }
 
 /*
@@ -1082,14 +1130,14 @@ void cmd_msg4(char *cmdbuf)
  */
 void cmd_opna(char *cmdbuf)
 {
-       char msgid[256];
+       long msgid;
 
        CtdlAllocUserData(SYM_DESIRED_SECTION, 64);
 
-       extract(msgid, cmdbuf, 0);
+       msgid = extract_long(cmdbuf, 0);
        extract(desired_section, cmdbuf, 1);
 
-       output_message(msgid, MT_DOWNLOAD, 0);
+       CtdlOutputMsg(msgid, MT_DOWNLOAD, 0, 1, 1);
 }                      
 
 
@@ -1204,7 +1252,9 @@ int CtdlSaveMsgPointerInRoom(char *roomname, long msgid, int flags) {
        getroom(&CC->quickroom, hold_rm);
 
        /* Bump the reference count for this message. */
-       AdjRefCount(msgid, +1);
+       if ((flags & SM_DONT_BUMP_REF)==0) {
+               AdjRefCount(msgid, +1);
+       }
 
        /* Return success. */
        if (msg != NULL) CtdlFreeMessage(msg);
@@ -1413,6 +1463,8 @@ long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
        struct SuppMsgInfo smi;
        FILE *network_fp = NULL;
        static int seqnum = 1;
+       struct CtdlMessage *imsg;
+       char *instr;
 
        lprintf(9, "CtdlSaveMsg() called\n");
        if (is_valid_message(msg) == 0) return(-1);     /* self check */
@@ -1506,8 +1558,16 @@ long CtdlSaveMsg(struct CtdlMessage *msg,        /* message to save */
        }
 
        lprintf(9, "Possibly relocating\n");
-       if (strcasecmp(actual_rm, CC->quickroom.QRname))
+       if (strcasecmp(actual_rm, CC->quickroom.QRname)) {
                getroom(&CC->quickroom, actual_rm);
+       }
+
+       /*
+        * If this message has no O (room) field, generate one.
+        */
+       if (msg->cm_fields['O'] == NULL) {
+               msg->cm_fields['O'] = strdoop(CC->quickroom.QRname);
+       }
 
        /* Perform "before save" hooks (aborting if any return nonzero) */
        lprintf(9, "Performing before-save hooks\n");
@@ -1552,7 +1612,6 @@ long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
        /* Now figure out where to store the pointers */
        lprintf(9, "Storing pointers\n");
 
-
        /* 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).
@@ -1562,8 +1621,6 @@ long CtdlSaveMsg(struct CtdlMessage *msg, /* message to save */
        }
 
        /* For internet mail, drop a copy in the outbound queue room */
-       /* FIX  ...  nothing's going to get delivered until we add
-          some delivery instructions!!! */
        if (mailtype == MES_INTERNET) {
                CtdlSaveMsgPointerInRoom(SMTP_SPOOLOUT_ROOM, newmsgid, 0);
        }
@@ -1594,6 +1651,28 @@ long CtdlSaveMsg(struct CtdlMessage *msg,        /* message to save */
        if (strcasecmp(hold_rm, CC->quickroom.QRname))
                getroom(&CC->quickroom, hold_rm);
 
+       /* For internet mail, generate delivery instructions 
+        * (Yes, this is recursive!   Deal with it!)
+        */
+       if (mailtype == MES_INTERNET) {
+               lprintf(9, "Generating delivery instructions\n");
+               instr = mallok(2048);
+               sprintf(instr,
+                       "Content-type: %s\n\nmsgid|%ld\nsubmitted|%ld\n"
+                       "remote|%s|0||\n",
+                       SPOOLMIME, newmsgid, time(NULL), recipient );
+
+               imsg = mallok(sizeof(struct CtdlMessage));
+               memset(imsg, 0, sizeof(struct CtdlMessage));
+               imsg->cm_magic = CTDLMESSAGE_MAGIC;
+               imsg->cm_anon_type = MES_NORMAL;
+               imsg->cm_format_type = FMT_RFC822;
+               imsg->cm_fields['A'] = strdoop("Citadel");
+               imsg->cm_fields['M'] = instr;
+               CtdlSaveMsg(imsg, "", SMTP_SPOOLOUT_ROOM, MES_LOCAL, 1);
+               CtdlFreeMessage(imsg);
+       }
+
        return(newmsgid);
 }
 
@@ -2244,10 +2323,11 @@ void AdjRefCount(long msgnum, int incr)
         */
        begin_critical_section(S_SUPPMSGMAIN);
        GetSuppMsgInfo(&smi, msgnum);
+       lprintf(9, "Ref count for message <%ld> before write is <%d>\n",
+               msgnum, smi.smi_refcount);
        smi.smi_refcount += incr;
        PutSuppMsgInfo(&smi);
        end_critical_section(S_SUPPMSGMAIN);
-
        lprintf(9, "Ref count for message <%ld> after write is <%d>\n",
                msgnum, smi.smi_refcount);
 
@@ -2282,7 +2362,7 @@ void CtdlWriteObject(char *req_room,              /* Room to stuff it in */
        FILE *fp, *tempfp;
        char filename[PATH_MAX];
        char cmdbuf[256];
-       int ch;
+       char ch;
        struct quickroom qrbuf;
        char roomname[ROOMNAMELEN];
        struct CtdlMessage *msg;
@@ -2349,7 +2429,9 @@ void CtdlWriteObject(char *req_room,              /* Room to stuff it in */
 
        /* Create the requested room if we have to. */
        if (getroom(&qrbuf, roomname) != 0) {
-               create_room(roomname, 4, "", 0);
+               create_room(roomname, 
+                       ( (is_mailbox != NULL) ? 4 : 3 ),
+                       "", 0);
        }
        /* If the caller specified this object as unique, delete all
         * other objects of this type that are currently in the room.
@@ -2436,5 +2518,3 @@ void CtdlPutSysConfig(char *sysconfname, char *sysconfdata) {
        CtdlWriteObject(SYSCONFIGROOM, sysconfname, temp, NULL, 0, 1, 0);
        unlink(temp);
 }
-
-