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.  :(
  64  */
  65 void imap_do_store_msg(int seq, char *oper, unsigned int bits_to_twiddle) {
  66
  67
  68         if (!strncasecmp(oper, "FLAGS", 5)) {
  69                 IMAP->flags[seq] &= IMAP_MASK_SYSTEM;
  70                 IMAP->flags[seq] |= bits_to_twiddle;
  71         }
  72         else if (!strncasecmp(oper, "+FLAGS", 6)) {
  73                 IMAP->flags[seq] |= bits_to_twiddle;
  74         }
  75         else if (!strncasecmp(oper, "-FLAGS", 6)) {
  76                 IMAP->flags[seq] &= (~bits_to_twiddle);
  77         }
  78 }
  79
  80
  81
  82 /*
  83  * imap_store() calls imap_do_store() to perform the actual bit twiddling
  84  * on the flags.
  85  */
  86 void imap_do_store(int num_items, char **itemlist) {
  87         int i, j;
  88         unsigned int bits_to_twiddle = 0;
  89         char *oper;
  90         char flag[32];
  91         char whichflags[256];
  92         char num_flags;
  93         int silent = 0;
  94         long *ss_msglist;
  95         int num_ss = 0;
  96         int last_item_twiddled = (-1);
  97
  98         if (num_items < 2) return;
  99         oper = itemlist[0];
 100         if (bmstrcasestr(oper, ".SILENT")) {
 101                 silent = 1;
 102         }
 103
 104         /*
 105          * ss_msglist is an array of message numbers to manipulate.  We
 106          * are going to supply this array to CtdlSetSeen() later.
 107          */
 108         ss_msglist = malloc(IMAP->num_msgs * sizeof(long));
 109         if (ss_msglist == NULL) return;
 110
 111         /*
 112          * Ok, go ahead and parse the flags.
 113          */
 114         for (i=1; i<num_items; ++i) {
 115                 strcpy(whichflags, itemlist[i]);
 116                 if (whichflags[0]=='(') {
 117                         safestrncpy(whichflags, &whichflags[1],
 118                                 sizeof whichflags);
 119                 }
 120                 if (whichflags[strlen(whichflags)-1]==')') {
 121                         whichflags[strlen(whichflags)-1]=0;
 122                 }
 123                 striplt(whichflags);
 124
 125                 /* A client might twiddle more than one bit at a time.
 126                  * Note that we check for the flag names without the leading
 127                  * backslash because imap_parameterize() strips them out.
 128                  */
 129                 num_flags = num_tokens(whichflags, ' ');
 130                 for (j=0; j<num_flags; ++j) {
 131                         extract_token(flag, whichflags, j, ' ', sizeof flag);
 132
 133                         if ((!strcasecmp(flag, "\\Deleted"))
 134                            || (!strcasecmp(flag, "Deleted"))) {
 135                                 if (CtdlDoIHavePermissionToDeleteMessagesFromThisRoom()) {
 136                                         bits_to_twiddle |= IMAP_DELETED;
 137                                 }
 138                         }
 139                         if ((!strcasecmp(flag, "\\Seen"))
 140                            || (!strcasecmp(flag, "Seen"))) {
 141                                 bits_to_twiddle |= IMAP_SEEN;
 142                         }
 143                         if ((!strcasecmp(flag, "\\Answered"))
 144                            || (!strcasecmp(flag, "\\Answered"))) {
 145                                 bits_to_twiddle |= IMAP_ANSWERED;
 146                         }
 147                 }
 148         }
 149
 150         if (IMAP->num_msgs > 0) {
 151                 for (i = 0; i < IMAP->num_msgs; ++i) {
 152                         if (IMAP->flags[i] & IMAP_SELECTED) {
 153                                 last_item_twiddled = i;
 154
 155                                 ss_msglist[num_ss++] = IMAP->msgids[i];
 156                                 imap_do_store_msg(i, oper, bits_to_twiddle);
 157
 158                                 if (!silent) {
 159                                         cprintf("* %d FETCH (", i+1);
 160                                         imap_fetch_flags(i);
 161                                         cprintf(")\r\n");
 162                                 }
 163
 164                         }
 165                 }
 166         }
 167
 168         /*
 169          * Now manipulate the database -- all in one shot.
 170          */
 171         if ( (last_item_twiddled >= 0) && (num_ss > 0) ) {
 172
 173                 if (bits_to_twiddle & IMAP_SEEN) {
 174                         CtdlSetSeen(ss_msglist, num_ss,
 175                                 ((IMAP->flags[last_item_twiddled] & IMAP_SEEN) ? 1 : 0),
 176                                 ctdlsetseen_seen,
 177                                 NULL, NULL
 178                         );
 179                 }
 180
 181                 if (bits_to_twiddle & IMAP_ANSWERED) {
 182                         CtdlSetSeen(ss_msglist, num_ss,
 183                                 ((IMAP->flags[last_item_twiddled] & IMAP_ANSWERED) ? 1 : 0),
 184                                 ctdlsetseen_answered,
 185                                 NULL, NULL
 186                         );
 187                 }
 188
 189         }
 190
 191         free(ss_msglist);
 192
 193         /*
 194          * The following two commands implement "instant expunge" if enabled.
 195          */
 196         if (config.c_instant_expunge) {
 197                 imap_do_expunge();
 198                 imap_rescan_msgids();
 199         }
 200
 201 }
 202
 203
 204 /*
 205  * This function is called by the main command loop.
 206  */
 207 void imap_store(int num_parms, char *parms[]) {
 208         char items[1024];
 209         char *itemlist[256];
 210         int num_items;
 211         int i;
 212
 213         if (num_parms < 3) {
 214                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 215                 return;
 216         }
 217
 218         if (imap_is_message_set(parms[2])) {
 219                 imap_pick_range(parms[2], 0);
 220         }
 221         else {
 222                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 223                 return;
 224         }
 225
 226         strcpy(items, "");
 227         for (i=3; i<num_parms; ++i) {
 228                 strcat(items, parms[i]);
 229                 if (i < (num_parms-1)) strcat(items, " ");
 230         }
 231
 232         num_items = imap_extract_data_items(itemlist, items);
 233         if (num_items < 1) {
 234                 cprintf("%s BAD invalid data item list\r\n", parms[0]);
 235                 return;
 236         }
 237
 238         imap_do_store(num_items, itemlist);
 239         cprintf("%s OK STORE completed\r\n", parms[0]);
 240 }
 241
 242 /*
 243  * This function is called by the main command loop.
 244  */
 245 void imap_uidstore(int num_parms, char *parms[]) {
 246         char items[1024];
 247         char *itemlist[256];
 248         int num_items;
 249         int i;
 250
 251         if (num_parms < 4) {
 252                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 253                 return;
 254         }
 255
 256         if (imap_is_message_set(parms[3])) {
 257                 imap_pick_range(parms[3], 1);
 258         }
 259         else {
 260                 cprintf("%s BAD invalid parameters\r\n", parms[0]);
 261                 return;
 262         }
 263
 264         strcpy(items, "");
 265         for (i=4; i<num_parms; ++i) {
 266                 strcat(items, parms[i]);
 267                 if (i < (num_parms-1)) strcat(items, " ");
 268         }
 269
 270         num_items = imap_extract_data_items(itemlist, items);
 271         if (num_items < 1) {
 272                 cprintf("%s BAD invalid data item list\r\n", parms[0]);
 273                 return;
 274         }
 275
 276         imap_do_store(num_items, itemlist);
 277         cprintf("%s OK UID STORE completed\r\n", parms[0]);
 278 }
 279
 280