citadel/policy.c

   1 /*
   2  * $Id$
   3  *
   4  * Functions which manage policy for rooms (such as message expiry)
   5  */
   6
   7 #include "sysdep.h"
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <sys/stat.h>
  12 #include <string.h>
  13
  14 #if TIME_WITH_SYS_TIME
  15 # include <sys/time.h>
  16 # include <time.h>
  17 #else
  18 # if HAVE_SYS_TIME_H
  19 #  include <sys/time.h>
  20 # else
  21 #  include <time.h>
  22 # endif
  23 #endif
  24
  25 #include <limits.h>
  26 #include <libcitadel.h>
  27 #include "citadel.h"
  28 #include "server.h"
  29 #include "database.h"
  30 #include "config.h"
  31 #include "room_ops.h"
  32 #include "sysdep_decls.h"
  33 #include "support.h"
  34 #include "user_ops.h"
  35 #include "msgbase.h"
  36 #include "citserver.h"
  37
  38
  39 /*
  40  * Retrieve the applicable expire policy for a specific room
  41  */
  42 void GetExpirePolicy(struct ExpirePolicy *epbuf, struct ctdlroom *qrbuf) {
  43         struct floor *fl;
  44
  45         /* If the room has its own policy, return it */
  46         if (qrbuf->QRep.expire_mode != 0) {
  47                 memcpy(epbuf, &qrbuf->QRep, sizeof(struct ExpirePolicy));
  48                 return;
  49         }
  50
  51         /* (non-mailbox rooms)
  52          * If the floor has its own policy, return it
  53          */
  54         if ( (qrbuf->QRflags & QR_MAILBOX) == 0) {
  55                 fl = cgetfloor(qrbuf->QRfloor);
  56                 if (fl->f_ep.expire_mode != 0) {
  57                         memcpy(epbuf, &fl->f_ep, sizeof(struct ExpirePolicy));
  58                         return;
  59                 }
  60         }
  61
  62         /* (Mailbox rooms)
  63          * If there is a default policy for mailbox rooms, return it
  64          */
  65         if (qrbuf->QRflags & QR_MAILBOX) {
  66                 if (config.c_mbxep.expire_mode != 0) {
  67                         memcpy(epbuf, &config.c_mbxep,
  68                                 sizeof(struct ExpirePolicy));
  69                         return;
  70                 }
  71         }
  72
  73         /* Otherwise, fall back on the system default */
  74         memcpy(epbuf, &config.c_ep, sizeof(struct ExpirePolicy));
  75 }
  76
  77
  78 /*
  79  * Get Policy EXpire
  80  */
  81 void cmd_gpex(char *argbuf) {
  82         struct ExpirePolicy exp;
  83         struct floor *fl;
  84         char which[128];
  85
  86         extract_token(which, argbuf, 0, '|', sizeof which);
  87         if (!strcasecmp(which, "room")) {
  88                 memcpy(&exp, &CC->room.QRep, sizeof(struct ExpirePolicy));
  89         }
  90         else if (!strcasecmp(which, "floor")) {
  91                 fl = cgetfloor(CC->room.QRfloor);
  92                 memcpy(&exp, &fl->f_ep, sizeof(struct ExpirePolicy));
  93         }
  94         else if (!strcasecmp(which, "mailboxes")) {
  95                 memcpy(&exp, &config.c_mbxep, sizeof(struct ExpirePolicy));
  96         }
  97         else if (!strcasecmp(which, "site")) {
  98                 memcpy(&exp, &config.c_ep, sizeof(struct ExpirePolicy));
  99         }
 100         else {
 101                 cprintf("%d Invalid keyword \"%s\"\n", ERROR + ILLEGAL_VALUE, which);
 102                 return;
 103         }
 104
 105         cprintf("%d %d|%d\n", CIT_OK, exp.expire_mode, exp.expire_value);
 106 }
 107
 108
 109 /*
 110  * Set Policy EXpire
 111  */
 112 void cmd_spex(char *argbuf) {
 113         struct ExpirePolicy exp;
 114         struct floor flbuf;
 115         char which[128];
 116
 117         memset(&exp, 0, sizeof(struct ExpirePolicy));
 118         extract_token(which, argbuf, 0, '|', sizeof which);
 119         exp.expire_mode = extract_int(argbuf, 1);
 120         exp.expire_value = extract_int(argbuf, 2);
 121
 122         if ((exp.expire_mode < 0) || (exp.expire_mode > 3)) {
 123                 cprintf("%d Invalid policy.\n", ERROR + ILLEGAL_VALUE);
 124                 return;
 125         }
 126
 127         if (!strcasecmp(which, "room")) {
 128                 if (!is_room_aide()) {
 129                         cprintf("%d Higher access required.\n",
 130                                 ERROR + HIGHER_ACCESS_REQUIRED);
 131                         return;
 132                 }
 133                 lgetroom(&CC->room, CC->room.QRname);
 134                 memcpy(&CC->room.QRep, &exp, sizeof(struct ExpirePolicy));
 135                 lputroom(&CC->room);
 136                 cprintf("%d Room expire policy has been updated.\n", CIT_OK);
 137                 return;
 138         }
 139
 140         if (CC->user.axlevel < 6) {
 141                 cprintf("%d Higher access required.\n",
 142                         ERROR + HIGHER_ACCESS_REQUIRED);
 143                 return;
 144         }
 145
 146         if (!strcasecmp(which, "floor")) {
 147                 lgetfloor(&flbuf, CC->room.QRfloor);
 148                 memcpy(&flbuf.f_ep, &exp, sizeof(struct ExpirePolicy));
 149                 lputfloor(&flbuf, CC->room.QRfloor);
 150                 cprintf("%d Floor expire policy has been updated.\n", CIT_OK);
 151                 return;
 152         }
 153
 154         else if (!strcasecmp(which, "mailboxes")) {
 155                 memcpy(&config.c_mbxep, &exp, sizeof(struct ExpirePolicy));
 156                 put_config();
 157                 cprintf("%d Default expire policy for mailboxes set.\n",
 158                         CIT_OK);
 159                 return;
 160         }
 161
 162         else if (!strcasecmp(which, "site")) {
 163                 if (exp.expire_mode == EXPIRE_NEXTLEVEL) {
 164                         cprintf("%d Invalid policy (no higher level)\n",
 165                                 ERROR + ILLEGAL_VALUE);
 166                         return;
 167                 }
 168                 memcpy(&config.c_ep, &exp, sizeof(struct ExpirePolicy));
 169                 put_config();
 170                 cprintf("%d Site expire policy has been updated.\n", CIT_OK);
 171                 return;
 172         }
 173
 174         else {
 175                 cprintf("%d Invalid keyword \"%s\"\n", ERROR + ILLEGAL_VALUE, which);
 176                 return;
 177         }
 178
 179 }
 180
 181