source/wsmbconf.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    html smb.conf editing - prototype only
   5    Copyright (C) Andrew Tridgell 1997
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #ifdef SYSLOG
  23 #undef SYSLOG
  24 #endif
  25
  26 #include "includes.h"
  27 #include "smb.h"
  28
  29 #define SDEFAULTS "Service defaults"
  30 #define SGLOBAL "Global Parameters"
  31 #define GLOBALS_SNUM -2
  32 #define DEFAULTS_SNUM -1
  33
  34
  35 /* start the page with standard stuff */
  36 static void print_header(void)
  37 {
  38         printf("Content-type: text/html\n\n");
  39         printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n");
  40         printf("<HTML>\n<HEAD>\n<TITLE>smb.conf</TITLE>\n</HEAD>\n<BODY>\n\n");
  41 }
  42
  43
  44 /* finish off the page */
  45 static void print_footer(void)
  46 {
  47         printf("\n</BODY>\n</HTML>\n");
  48 }
  49
  50 /* setup persisant variables */
  51 static void set_persistent(char *name)
  52 {
  53         char *p;
  54         p = cgi_variable(name);
  55         if (!p) return;
  56         printf("<input type=hidden name=%s value=%s>\n", name, p);
  57 }
  58
  59 /* display a servce, ready for editing */
  60 static void show_service(int snum, int allparameters)
  61 {
  62         int i = 0;
  63         pstring label, value;
  64         char *sname;
  65
  66         if (snum == GLOBALS_SNUM)
  67                 sname = SGLOBAL;
  68         else if (snum == DEFAULTS_SNUM)
  69                 sname = SDEFAULTS;
  70         else sname = lp_servicename(snum);
  71
  72         printf("\n<p><table border=0>\n<tr>\n<td></td><td>\n\n");
  73         printf("<form method=POST>\n");
  74         printf("<H3>%s</H3>\n", sname);
  75         printf("<input type=hidden name=service value=\"%s\">\n", sname);
  76         printf("<input type=submit name=request value=Change>\n");
  77         printf("<input type=submit name=request value=Rename>\n");
  78         printf("<input type=submit name=request value=Copy>\n");
  79         printf("<input type=submit name=request value=Remove>\n");
  80         printf("<br><input name=newvalue><br>\n");
  81         printf("<select name=parameter size=5>\n");
  82
  83         while (lp_next_parameter(snum, &i, label, value, allparameters)) {
  84                 printf("<option value=\"%s\">%s = %s\n",
  85                        label, label, value);
  86         }
  87
  88         printf("</select>\n");
  89         printf("</form>\n</td>\n</tr>\n</table>\n");
  90
  91         printf("<p>\n");
  92 }
  93
  94
  95 /* loop over all services, displaying them one after the other */
  96 static void show_services(void)
  97 {
  98         int i;
  99         int n;
 100         int allparameters = cgi_boolean("allparameters", 0);
 101
 102         printf("<FORM METHOD=POST>\n");
 103         printf("<p>Show all parameters?\n");
 104         printf("<INPUT NAME=allparameters TYPE=checkbox VALUE=1 %s>\n",
 105                allparameters?"CHECKED":"");
 106
 107         printf("<INPUT TYPE=submit NAME=reload VALUE=Reload>\n");
 108
 109         printf("</FORM>\n");
 110
 111         n = lp_numservices();
 112
 113         show_service(GLOBALS_SNUM, allparameters);
 114         show_service(DEFAULTS_SNUM, allparameters);
 115
 116         for (i=0;i<n;i++)
 117                 if (VALID_SNUM(i))
 118                         show_service(i, allparameters);
 119 }
 120
 121
 122 /* load the smb.conf file into loadparm. this also does the chroot
 123    to the config directory. This must be called _BEFORE_ any client
 124    supplied data is parsed */
 125 static int load_config(void)
 126 {
 127         static pstring servicesf = CONFIGFILE;
 128         char *p;
 129
 130         p = strrchr(servicesf,'/');
 131         if (!p) return 0;
 132
 133         *p = 0;
 134
 135         setuid(0);
 136
 137         if (chdir(servicesf) || chroot(servicesf)) {
 138                 printf("wsmbconf is not configured correctly\n");
 139                 return 0;
 140         }
 141
 142         *p = '/';
 143
 144         if (!lp_load(p,False)) {
 145                 printf("<b>Can't load %s - using defaults</b><p>\n",
 146                        servicesf);
 147         }
 148         return 1;
 149 }
 150
 151
 152 static int save_reload(void)
 153 {
 154         static pstring servicesf = CONFIGFILE;
 155         char *p;
 156         FILE *f;
 157
 158         p = strrchr(servicesf,'/');
 159         if (!p) return 0;
 160
 161         f = fopen(p,"w");
 162         if (!f) {
 163                 printf("failed to open %s for writing\n", servicesf);
 164                 return 0;
 165         }
 166
 167         fprintf(f, "# Samba config file created using wsmbconf\n");
 168
 169         lp_dump(f);
 170
 171         fclose(f);
 172
 173         lp_killunused(NULL);
 174
 175         if (!lp_load(p,False)) {
 176                 printf("Can't reload %s\n", servicesf);
 177                 return 0;
 178         }
 179
 180         return 1;
 181 }
 182
 183 static void process_requests(void)
 184 {
 185         char *req = cgi_variable("request");
 186         char *newvalue = cgi_variable("newvalue");
 187         char *parameter = cgi_variable("parameter");
 188         char *service = cgi_variable("service");
 189         int snum=0;
 190
 191         if (!req) return;
 192
 193         if (service) {
 194                 /* work out what service it is */
 195                 if (strcmp(service,SGLOBAL) == 0) {
 196                         snum = GLOBALS_SNUM;
 197                 } else if (strcmp(service,SDEFAULTS) == 0) {
 198                         snum = DEFAULTS_SNUM;
 199                 } else {
 200                         snum = lp_servicenumber(service);
 201                         if (snum < 0) return;
 202                 }
 203         }
 204
 205         if (!newvalue)
 206                 newvalue = "";
 207
 208         if (strcmp(req,"Change") == 0) {
 209                 /* change the value of a parameter */
 210                 if (!parameter || !service) return;
 211
 212                 lp_do_parameter(snum, parameter, newvalue);
 213         } else if (strcmp(req,"Rename") == 0) {
 214                 /* rename a service */
 215                 if (!newvalue || !service) return;
 216
 217                 lp_rename_service(snum, newvalue);
 218         } else if (strcmp(req,"Remove") == 0) {
 219                 /* remove a service */
 220                 if (!service) return;
 221
 222                 lp_remove_service(snum);
 223         } else if (strcmp(req,"Copy") == 0) {
 224                 /* copy a service */
 225                 if (!service || !newvalue) return;
 226
 227                 lp_copy_service(snum, newvalue);
 228         }
 229
 230         save_reload();
 231 }
 232
 233
 234 int main(int argc, char *argv[])
 235 {
 236         extern FILE *dbf;
 237
 238         print_header();
 239
 240         dbf = stderr;
 241
 242         charset_initialise();
 243
 244         if (load_config()) {
 245                 cgi_load_variables();
 246                 process_requests();
 247                 show_services();
 248         }
 249         print_footer();
 250         return 0;
 251 }