citadel/imap_store.c

   1 /*
   2  * $Id$
   3  *
   4  * Implements the STORE command in IMAP.
   5  *
   6  */
   7
   8
   9 #include "sysdep.h"
  10 #include <stdlib.h>
  11 #include <unistd.h>
  12 #include <stdio.h>
  13 #include <fcntl.h>
  14 #include <signal.h>
  15 #include <pwd.h>
  16 #include <errno.h>
  17 #include <sys/types.h>
  18
  19 #if TIME_WITH_SYS_TIME
  20 # include <sys/time.h>
  21 # include <time.h>
  22 #else
  23 # if HAVE_SYS_TIME_H
  24 #  include <sys/time.h>
  25 # else
  26 #  include <time.h>
  27 # endif
  28 #endif
  29
  30 #include <sys/wait.h>
  31 #include <ctype.h>
  32 #include <string.h>
  33 #include <limits.h>
  34 #include "citadel.h"
  35 #include "server.h"
  36 #include "sysdep_decls.h"
  37 #include "citserver.h"
  38 #include "support.h"
  39 #include "config.h"
  40 #include "serv_extensions.h"
  41 #include "room_ops.h"
  42 #include "user_ops.h"
  43 #include "policy.h"
  44 #include "database.h"
  45 #include "msgbase.h"
  46 #include "tools.h"
  47 #include "internet_addressing.h"
  48 #include "serv_imap.h"
  49 #include "imap_tools.h"
  50 #include "imap_fetch.h"
  51 #include "imap_store.h"
  52 #include "genstamp.h"
  53
  54
  55
  56
  57
  58
  59 /*
  60  * imap_do_store() calls imap_do_store_msg() to tweak the settings of
  61  * an individual message.
  62  *
  63  * We also implement the ".SILENT" protocol option here.  Leave it to an
  64  * idiot like Mark Crispin to make things unnecessarily complicated.
  65  */
  66 void imap_do_store_msg(int seq, char *oper, unsigned int bits_to_twiddle) {
  67         int silent = 0;
  68
  69         if (!strncasecmp(oper, "FLAGS", 5)) {
  70                 IMAP->flags[seq] &= IMAP_MASK_SYSTEM;
  71                 IMAP->flags[seq] |= bits_to_twiddle;
  72                 silent = strncasecmp(&oper[5], ".SILENT", 7);
  73         }
  74         else if (!strncasecmp(oper, "+FLAGS", 6)) {
  75                 IMAP->flags[seq] |= bits_to_twiddle;
  76                 silent = strncasecmp(&oper[6], ".SILENT", 7);
  77         }
  78         else if (!strncasecmp(oper, "-FLAGS", 6)) {
  79                 IMAP->flags[seq] &= (~bits_to_twiddle);
  80                 silent = strncasecmp(&oper[6], ".SILENT", 7);
  81         }
  82
  83         if (bits_to_twiddle & IMAP_SEEN) {
  84                 CtdlSetSeen(IMAP->msgids[seq],
  85                                 ((IMAP->flags[seq] & IMAP_SEEN) ? 1 : 0),
  86                                 ctdlsetseen_seen
  87                 );
  88         }
  89         if (bits_to_twiddle & IMAP_ANSWERED) {
  90                 CtdlSetSeen(IMAP->msgids[seq],
  91                                 ((IMAP->flags[seq] & IMAP_ANSWERED) ? 1 : 0),
  92                                 ctdlsetseen_answered
  93                 );
  94         }
  95
  96         /* 'silent' is actually the value returned from a strncasecmp() so
  97          * we want that option only if its value is zero.  Seems backwards
  98          * but that's the way it's supposed to be.
  99          */
 100         if (silent) {
 101                 cprintf("* %d FETCH (", seq+1);
 102                 imap_fetch_flags(seq);
 103                 cprintf(")\r\n");
 104         }
 105 }
 106
 107
 108
 109 /*
 110  * imap_store() calls imap_do_store() to perform the actual bit twiddling
 111  * on the flags.
 112  */
 113 void imap_do_store(int num_items, char **itemlist) {
 114         int i, j;
 115         unsigned int bits_to_twiddle = 0;
 116         char *oper;
 117         char flag[SIZ];
 118         char whichflags[SIZ];
 119         char num_flags;
 120
 121         if (num_items < 2) return;
 122         oper = itemlist[0];
 123
 124         for (i=1; i<num_items; ++i) {
 125                 strcpy(whichflags, itemlist[i]);
 126                 if (whichflags[0]=='(') strcpy(whichflags, &whichflags[1]);
 127                 if (whichflags[strlen(whichflags)-1]==')') {
 128                         whichflags[strlen(whichflags)-1]=0;
 129                 }
 130                 striplt(whichflags);
 131
 132                 /* A client might twiddle more than one bit at a time */
 133                 num_flags = num_tokens(whichflags, ' ');
 134                 for (j=0; j<num_flags; ++j) {
 135                         extract_token(flag, whichflags, j, ' ');
 136
 137                         if (!strcasecmp(flag, "\\Deleted")) {
 138                                 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom()) {
 139                                         bits_to_twiddle |= IMAP_DELETED;
 140                                 }
 141                         }
 142                         if (!strcasecmp(flag, "\\Seen")) {
 143                                 bits_to_twiddle |= IMAP_SEEN;
 144                         }
 145                         if (!strcasecmp(flag, "\\Answered")) {
 146                                 bits_to_twiddle |= IMAP_ANSWERED;
 147                         }
 148                 }
 149         }
 150
 151         if (IMAP->num_msgs > 0) {
 152                 for (i = 0; i < IMAP->num_msgs; ++i) {
 153                         if (IMAP->flags[i] & IMAP_SELECTED) {
 154                                 imap_do_store_msg(i, oper, bits_to_twiddle);
 155                         }
 156                 }
 157         }
 158 }
 159
 160
 161 /*
 162  * This function is called by the main command loop.
 163  */
 164 void imap_store(int num_parms, char *parms[]) {
 165         char items[1024];
 166         char *itemlist[256];
 167         int num_items;
 168         int i;
 169
 170         if (num_parms < 3) {
 171                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 172                 return;
 173         }
 174
 175         if (imap_is_message_set(parms[2])) {
 176                 imap_pick_range(parms[2], 0);
 177         }
 178         else {
 179                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 180                 return;
 181         }
 182
 183         strcpy(items, "");
 184         for (i=3; i<num_parms; ++i) {
 185                 strcat(items, parms[i]);
 186                 if (i < (num_parms-1)) strcat(items, " ");
 187         }
 188
 189         num_items = imap_extract_data_items(itemlist, items);
 190         if (num_items < 1) {
 191                 cprintf("%s BAD invalid data item list\r\n", parms[0]);
 192                 return;
 193         }
 194
 195         imap_do_store(num_items, itemlist);
 196         cprintf("%s OK STORE completed\r\n", parms[0]);
 197 }
 198
 199 /*
 200  * This function is called by the main command loop.
 201  */
 202 void imap_uidstore(int num_parms, char *parms[]) {
 203         char items[1024];
 204         char *itemlist[256];
 205         int num_items;
 206         int i;
 207
 208         if (num_parms < 4) {
 209                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 210                 return;
 211         }
 212
 213         if (imap_is_message_set(parms[3])) {
 214                 imap_pick_range(parms[3], 1);
 215         }
 216         else {
 217                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 218                 return;
 219         }
 220
 221         strcpy(items, "");
 222         for (i=4; i<num_parms; ++i) {
 223                 strcat(items, parms[i]);
 224                 if (i < (num_parms-1)) strcat(items, " ");
 225         }
 226
 227         num_items = imap_extract_data_items(itemlist, items);
 228         if (num_items < 1) {
 229                 cprintf("%s BAD invalid data item list\r\n", parms[0]);
 230                 return;
 231         }
 232
 233         imap_do_store(num_items, itemlist);
 234         cprintf("%s OK UID STORE completed\r\n", parms[0]);
 235 }
 236
 237