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