citadel/serv_upgrade.c

   1 /*
   2  * $Id$
   3  *
   4  * Transparently handle the upgrading of server data formats.
   5  *
   6  */
   7
   8 #include "sysdep.h"
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <stdio.h>
  12 #include <fcntl.h>
  13 #include <signal.h>
  14 #include <pwd.h>
  15 #include <errno.h>
  16 #include <sys/types.h>
  17
  18 #if TIME_WITH_SYS_TIME
  19 # include <sys/time.h>
  20 # include <time.h>
  21 #else
  22 # if HAVE_SYS_TIME_H
  23 #  include <sys/time.h>
  24 # else
  25 #  include <time.h>
  26 # endif
  27 #endif
  28
  29 #include <sys/wait.h>
  30 #include <string.h>
  31 #include <limits.h>
  32 #include "citadel.h"
  33 #include "server.h"
  34 #include "sysdep_decls.h"
  35 #include "citserver.h"
  36 #include "support.h"
  37 #include "config.h"
  38 #include "control.h"
  39 #include "dynloader.h"
  40 #include "database.h"
  41 #include "user_ops.h"
  42 #include "msgbase.h"
  43 #include "serv_upgrade.h"
  44
  45 void do_pre555_usersupp_upgrade(void) {
  46         struct pre555usersupp usbuf;
  47         struct usersupp newus;
  48         struct cdbdata *cdbus;
  49         char tempfilename[PATH_MAX];
  50         FILE *fp, *tp;
  51         static char vcard[1024];
  52
  53         lprintf(5, "Upgrading user file\n");
  54         fp = tmpfile();
  55         if (fp == NULL) {
  56                 lprintf(1, "%s\n", strerror(errno));
  57                 exit(errno);
  58         }
  59         strcpy(tempfilename, tmpnam(NULL));
  60
  61         /* First, back out all old version records to a flat file */
  62         cdb_begin_transaction();
  63         cdb_rewind(CDB_USERSUPP);
  64         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
  65                 memset(&usbuf, 0, sizeof(struct pre555usersupp));
  66                 memcpy(&usbuf, cdbus->ptr,
  67                         ( (cdbus->len > sizeof(struct pre555usersupp)) ?
  68                         sizeof(struct pre555usersupp) : cdbus->len) );
  69                 cdb_free(cdbus);
  70                 fwrite(&usbuf, sizeof(struct pre555usersupp), 1, fp);
  71         }
  72         cdb_end_transaction();
  73
  74         /* ...and overwrite the records with new format records */
  75         rewind(fp);
  76         while (fread(&usbuf, sizeof(struct pre555usersupp), 1, fp) > 0) {
  77             if (strlen(usbuf.fullname) > 0) {
  78                 lprintf(9, "Upgrading <%s>\n", usbuf.fullname);
  79                 memset(&newus, 0, sizeof(struct usersupp));
  80
  81                 newus.uid = usbuf.USuid;
  82                 strcpy(newus.password, usbuf.password);
  83                 newus.flags = usbuf.flags;
  84                 newus.timescalled = (long) usbuf.timescalled;
  85                 newus.posted = (long) usbuf.posted;
  86                 newus.axlevel = (CIT_UBYTE) usbuf.axlevel;
  87                 newus.usernum = (long) usbuf.usernum;
  88                 newus.lastcall = (long) usbuf.lastcall;
  89                 newus.USuserpurge = (int) usbuf.USuserpurge;
  90                 strcpy(newus.fullname, usbuf.fullname);
  91                 newus.USscreenwidth = (CIT_UBYTE) usbuf.USscreenwidth;
  92                 newus.USscreenheight = (CIT_UBYTE) usbuf.USscreenheight;
  93
  94                 putuser(&newus);
  95
  96                 /* write the vcard */
  97                 sprintf(vcard,
  98                         "Content-type: text/x-vcard\n\n"
  99                         "begin:vcard\n"
 100                         "n:%s\n"
 101                         "tel;home:%s\n"
 102                         "email;internet:%s\n"
 103                         "adr:;;%s;%s;%s;%s;USA\n"
 104                         "end:vcard\n",
 105                         usbuf.USname,
 106                         usbuf.USphone,
 107                         usbuf.USemail,
 108                         usbuf.USaddr,
 109                         usbuf.UScity,
 110                         usbuf.USstate,
 111                         usbuf.USzip);
 112
 113                 tp = fopen(tempfilename, "w");
 114                 fwrite(vcard, strlen(vcard)+1, 1, tp);
 115                 fclose(tp);
 116
 117                 CtdlWriteObject(USERCONFIGROOM, "text/x-vcard",
 118                         tempfilename, &newus, 0, 1, CM_SKIP_HOOKS);
 119                 unlink(tempfilename);
 120             }
 121         }
 122
 123         fclose(fp);     /* this file deletes automatically */
 124 }
 125
 126
 127
 128
 129
 130
 131
 132
 133 void check_server_upgrades(void) {
 134
 135         get_control();
 136         lprintf(5, "Server-hosted upgrade level is %d.%02d\n",
 137                 (CitControl.version / 100),
 138                 (CitControl.version % 100) );
 139
 140         if (CitControl.version < REV_LEVEL) {
 141                 lprintf(5, "Server hosted updates need to be processed at "
 142                                 "this time.  Please wait...\n");
 143         }
 144         else {
 145                 return;
 146         }
 147
 148         if (CitControl.version < 555) do_pre555_usersupp_upgrade();
 149
 150         CitControl.version = REV_LEVEL;
 151         put_control();
 152 }
 153
 154
 155
 156
 157 char *Dynamic_Module_Init(void)
 158 {
 159         check_server_upgrades();
 160         return "$Id$";
 161 }