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citadel  8.12
Functions
imap_misc.c File Reference
#include "sysdep.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
#include <pwd.h>
#include <errno.h>
#include <sys/types.h>
#include <time.h>
#include <sys/wait.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "sysdep_decls.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
#include "user_ops.h"
#include "database.h"
#include "msgbase.h"
#include "internet_addressing.h"
#include "serv_imap.h"
#include "imap_tools.h"
#include "imap_fetch.h"
#include "imap_misc.h"
#include "genstamp.h"
#include "ctdl_module.h"

Go to the source code of this file.

Functions

int imap_do_copy (const char *destination_folder)
void imap_output_copyuid_response (void)
void imap_copy (int num_parms, ConstStr *Params)
void imap_uidcopy (int num_parms, ConstStr *Params)
void imap_do_append_flags (long new_msgnum, char *new_message_flags)
void imap_append (int num_parms, ConstStr *Params)

Function Documentation

void imap_append ( int  num_parms,
ConstStr *  Params 
)

Definition at line 282 of file imap_misc.c.

                                                  {
       struct CitContext *CCC = CC;
       long literal_length;
       struct CtdlMessage *msg = NULL;
       long new_msgnum = (-1L);
       int ret = 0;
       char roomname[ROOMNAMELEN];
       char errbuf[SIZ];
       char dummy[SIZ];
       char savedroom[ROOMNAMELEN];
       int msgs, new;
       int i;
       char new_message_flags[SIZ];
       citimap *Imap;

       if (num_parms < 4) {
              IReply("BAD usage error");
              return;
       }

       if ( (Params[num_parms-1].Key[0] != '{')
          || (Params[num_parms-1].Key[Params[num_parms-1].len-1] != '}') )  {
              IReply("BAD no message literal supplied");
              return;
       }

       strcpy(new_message_flags, "");
       if (num_parms >= 5) {
              for (i=3; i<num_parms; ++i) {
                     strcat(new_message_flags, Params[i].Key);
                     strcat(new_message_flags, " ");
              }
              stripallbut(new_message_flags, '(', ')');
       }

       /* This is how we'd do this if it were relevant in our data store.
        * if (num_parms >= 6) {
        *  new_message_internaldate = parms[4];
        * }
        */

       literal_length = atol(&Params[num_parms-1].Key[1]);
       if (literal_length < 1) {
              IReply("BAD Message length must be at least 1.");
              return;
       }

       Imap = IMAP;
       imap_free_transmitted_message();   /* just in case. */

       Imap->TransmittedMessage = NewStrBufPlain(NULL, literal_length);

       if (Imap->TransmittedMessage == NULL) {
              IReply("NO Cannot allocate memory.");
              return;
       }
       
       IAPrintf("+ Transmit message now.\r\n");
       
       IUnbuffer ();

       client_read_blob(Imap->TransmittedMessage, literal_length, config.c_sleeping);

       if ((ret < 0) || (StrLength(Imap->TransmittedMessage) < literal_length)) {
              IReply("NO Read failed.");
              return;
       }

       /* Client will transmit a trailing CRLF after the literal (the message
        * text) is received.  This call to client_getln() absorbs it.
        */
       flush_output();
       client_getln(dummy, sizeof dummy);

       /* Convert RFC822 newlines (CRLF) to Unix newlines (LF) */
       IMAPM_syslog(LOG_DEBUG, "Converting CRLF to LF");
       StrBufToUnixLF(Imap->TransmittedMessage);

       IMAPM_syslog(LOG_DEBUG, "Converting message format");
       msg = convert_internet_message_buf(&Imap->TransmittedMessage);

       ret = imap_grabroom(roomname, Params[2].Key, 1);
       if (ret != 0) {
              IReply("NO Invalid mailbox name or access denied");
              return;
       }

       /*
        * CtdlUserGoto() formally takes us to the desired room.  (If another
        * folder is selected, save its name so we can return there!!!!!)
        */
       if (Imap->selected) {
              strcpy(savedroom, CC->room.QRname);
       }
       CtdlUserGoto(roomname, 0, 0, &msgs, &new);

       /* If the user is locally authenticated, FORCE the From: header to
        * show up as the real sender.  FIXME do we really want to do this?
        * Probably should make it site-definable or even room-definable.
        *
        * For now, we allow "forgeries" if the room is one of the user's
        * private mailboxes.
        */
       if (CC->logged_in) {
          if ( ((CC->room.QRflags & QR_MAILBOX) == 0) && (config.c_imap_keep_from == 0)) {
              if (msg->cm_fields['A'] != NULL) free(msg->cm_fields['A']);
              if (msg->cm_fields['N'] != NULL) free(msg->cm_fields['N']);
              if (msg->cm_fields['H'] != NULL) free(msg->cm_fields['H']);
              msg->cm_fields['A'] = strdup(CC->user.fullname);
              msg->cm_fields['N'] = strdup(config.c_nodename);
              msg->cm_fields['H'] = strdup(config.c_humannode);
           }
       }

       /* 
        * Can we post here?
        */
       ret = CtdlDoIHavePermissionToPostInThisRoom(errbuf, sizeof errbuf, NULL, POST_LOGGED_IN, 0);

       if (ret) {
              /* Nope ... print an error message */
              IReplyPrintf("NO %s", errbuf);
       }

       else {
              /* Yes ... go ahead and post! */
              if (msg != NULL) {
                     new_msgnum = CtdlSubmitMsg(msg, NULL, "", 0);
              }
              if (new_msgnum >= 0L) {
                     IReplyPrintf("OK [APPENDUID %ld %ld] APPEND completed",
                                 GLOBAL_UIDVALIDITY_VALUE, new_msgnum);
              }
              else {
                     IReplyPrintf("BAD Error %ld saving message to disk.",
                                 new_msgnum);
              }
       }

       /*
        * IMAP protocol response to client has already been sent by now.
        *
        * If another folder is selected, go back to that room so we can resume
        * our happy day without violent explosions.
        */
       if (Imap->selected) {
              CtdlUserGoto(savedroom, 0, 0, &msgs, &new);
       }

       /* We don't need this buffer anymore */
       CtdlFreeMessage(msg);

       if (new_message_flags != NULL) {
              imap_do_append_flags(new_msgnum, new_message_flags);
       }
}

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void imap_copy ( int  num_parms,
ConstStr *  Params 
)

Definition at line 192 of file imap_misc.c.

                                                {
       int ret;

       if (num_parms != 4) {
              IReply("BAD invalid parameters");
              return;
       }

       if (imap_is_message_set(Params[2].Key)) {
              imap_pick_range(Params[2].Key, 0);
       }
       else {
              IReply("BAD invalid parameters");
              return;
       }

       ret = imap_do_copy(Params[3].Key);
       if (!ret) {
              IAPrintf("%s OK ", Params[0].Key);
              imap_output_copyuid_response();
              IAPuts("COPY completed\r\n");
       }
       else {
              IReplyPrintf("NO COPY failed (error %d)", ret);
       }
}

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void imap_do_append_flags ( long  new_msgnum,
char *  new_message_flags 
)

Definition at line 254 of file imap_misc.c.

                                                                    {
       char flags[32];
       char this_flag[sizeof flags];
       int i;

       if (new_message_flags == NULL) return;
       if (IsEmptyStr(new_message_flags)) return;

       safestrncpy(flags, new_message_flags, sizeof flags);

       for (i=0; i<num_tokens(flags, ' '); ++i) {
              extract_token(this_flag, flags, i, ' ', sizeof this_flag);
              if (this_flag[0] == '\\') strcpy(this_flag, &this_flag[1]);
              if (!strcasecmp(this_flag, "Seen")) {
                     CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_seen,
                            NULL, NULL);
              }
              if (!strcasecmp(this_flag, "Answered")) {
                     CtdlSetSeen(&new_msgnum, 1, 1, ctdlsetseen_answered,
                            NULL, NULL);
              }
       }
}

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int imap_do_copy ( const char *  destination_folder)

Definition at line 71 of file imap_misc.c.

                                                 {
       citimap *Imap = IMAP;
       int i;
       char roomname[ROOMNAMELEN];
       struct ctdlroom qrbuf;
       long *selected_msgs = NULL;
       int num_selected = 0;

       if (Imap->num_msgs < 1) {
              return(0);
       }

       i = imap_grabroom(roomname, destination_folder, 1);
       if (i != 0) return(i);

       /*
        * Copy all the message pointers in one shot.
        */
       selected_msgs = malloc(sizeof(long) * Imap->num_msgs);
       if (selected_msgs == NULL) return(-1);

       for (i = 0; i < Imap->num_msgs; ++i) {
              if (Imap->flags[i] & IMAP_SELECTED) {
                     selected_msgs[num_selected++] = Imap->msgids[i];
              }
       }

       if (num_selected > 0) {
              CtdlSaveMsgPointersInRoom(roomname, selected_msgs, num_selected, 1, NULL, 0);
       }
       free(selected_msgs);

       /* Don't bother wasting any more time if there were no messages. */
       if (num_selected == 0) {
              return(0);
       }

       /* Enumerate lists of messages for which flags are toggled */
       long *seen_yes = NULL;
       int num_seen_yes = 0;
       long *seen_no = NULL;
       int num_seen_no = 0;
       long *answ_yes = NULL;
       int num_answ_yes = 0;
       long *answ_no = NULL;
       int num_answ_no = 0;

       seen_yes = malloc(num_selected * sizeof(long));
       seen_no = malloc(num_selected * sizeof(long));
       answ_yes = malloc(num_selected * sizeof(long));
       answ_no = malloc(num_selected * sizeof(long));

       for (i = 0; i < Imap->num_msgs; ++i) {
              if (Imap->flags[i] & IMAP_SELECTED) {
                     if (Imap->flags[i] & IMAP_SEEN) {
                            seen_yes[num_seen_yes++] = Imap->msgids[i];
                     }
                     if ((Imap->flags[i] & IMAP_SEEN) == 0) {
                            seen_no[num_seen_no++] = Imap->msgids[i];
                     }
                     if (Imap->flags[i] & IMAP_ANSWERED) {
                            answ_yes[num_answ_yes++] = Imap->msgids[i];
                     }
                     if ((Imap->flags[i] & IMAP_ANSWERED) == 0) {
                            answ_no[num_answ_no++] = Imap->msgids[i];
                     }
              }
       }

       /* Set the flags... */
       i = CtdlGetRoom(&qrbuf, roomname);
       if (i == 0) {
              CtdlSetSeen(seen_yes, num_seen_yes, 1, ctdlsetseen_seen, NULL, &qrbuf);
              CtdlSetSeen(seen_no, num_seen_no, 0, ctdlsetseen_seen, NULL, &qrbuf);
              CtdlSetSeen(answ_yes, num_answ_yes, 1, ctdlsetseen_answered, NULL, &qrbuf);
              CtdlSetSeen(answ_no, num_answ_no, 0, ctdlsetseen_answered, NULL, &qrbuf);
       }

       free(seen_yes);
       free(seen_no);
       free(answ_yes);
       free(answ_no);

       return(0);
}

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Definition at line 166 of file imap_misc.c.

                                        {
       citimap *Imap = IMAP;
       int i;
       int num_output = 0;
  
       for (i = 0; i < Imap->num_msgs; ++i) {
              if (Imap->flags[i] & IMAP_SELECTED) {
                     ++num_output;
                     if (num_output == 1) {
                            IAPuts("[COPYUID ");
                     }
                     else if (num_output > 1) {
                            IAPuts(",");
                     }
                     IAPrintf("%ld", Imap->msgids[i]);
              }
       }
       if (num_output > 0) {
              IAPuts("] ");
       }
}

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void imap_uidcopy ( int  num_parms,
ConstStr *  Params 
)

Definition at line 222 of file imap_misc.c.

                                                   {

       if (num_parms != 5) {
              IReply("BAD invalid parameters");
              return;
       }

       if (imap_is_message_set(Params[3].Key)) {
              imap_pick_range(Params[3].Key, 1);
       }
       else {
              IReply("BAD invalid parameters");
              return;
       }

       if (imap_do_copy(Params[4].Key) == 0) {
              IAPrintf("%s OK ", Params[0].Key);
              imap_output_copyuid_response();
              IAPuts("UID COPY completed\r\n");
       }
       else {
              IReply("NO UID COPY failed");
       }
}

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