webcit/auth.c

   1 /*
   2  * auth.c
   3  *
   4  * This file contains code which relates to authentication of users to Citadel.
   5  *
   6  * $Id$
   7  */
   8
   9 #include <stdlib.h>
  10 #ifdef HAVE_UNISTD_H
  11 #include <unistd.h>
  12 #endif
  13 #include <stdio.h>
  14 #include <ctype.h>
  15 #include <string.h>
  16 #include <errno.h>
  17 #include "webcit.h"
  18 #include "child.h"
  19
  20 char *axdefs[] = {
  21         "Deleted",
  22         "New User",
  23         "Problem User",
  24         "Local User",
  25         "Network User",
  26         "Preferred User",
  27         "Aide"
  28         };
  29
  30 /*
  31  * Display the login screen
  32  */
  33 void display_login(char *mesg) {
  34         char buf[256];
  35
  36         printf("HTTP/1.0 200 OK\n");
  37         output_headers(1, "_top");
  38
  39         /* Da banner */
  40         wprintf("<CENTER><TABLE border=0 width=100%><TR><TD>\n");
  41         wprintf("<IMG SRC=\"/image&name=hello\">");
  42         wprintf("</TD><TD><CENTER>\n");
  43
  44         if (mesg != NULL) {
  45                 wprintf("<font size=+1><b>%s</b></font>", mesg);
  46                 }
  47         else {
  48                 serv_puts("MESG hello");
  49                 serv_gets(buf);
  50                 if (buf[0]=='1') fmout(NULL);
  51                 }
  52
  53         wprintf("</CENTER></TD></TR></TABLE></CENTER>\n");
  54         wprintf("<HR>\n");
  55
  56         /* Da login box */
  57         wprintf("<CENTER><FORM ACTION=\"/login\" METHOD=\"POST\">\n");
  58         wprintf("<TABLE border><TR>\n");
  59         wprintf("<TD>User Name:</TD>\n");
  60         wprintf("<TD><INPUT TYPE=\"text\" NAME=\"name\" MAXLENGTH=\"25\">\n");
  61         wprintf("</TD></TR><TR>\n");
  62         wprintf("<TD>Password:</TD>\n");
  63         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"pass\" MAXLENGTH=\"20\"></TD>\n");
  64         wprintf("</TR></TABLE>\n");
  65         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Login\">\n");
  66         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"New User\">\n");
  67         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Exit\">\n");
  68
  69         wprintf("<BR><INPUT TYPE=\"checkbox\" NAME=\"noframes\">");
  70         wprintf("<FONT SIZE=-1>Check here to disable frames</FONT>\n");
  71         wprintf("</FORM></CENTER>\n");
  72
  73         /* Da instructions */
  74         wprintf("<LI><EM>If you already have an account on %s,",
  75                 serv_info.serv_humannode);
  76         wprintf("</EM> enter your user name\n");
  77         wprintf("and password and click \"<TT>Login</TT>.\"<BR>\n");
  78         wprintf("<LI><EM>If you are a new user,</EM>\n");
  79         wprintf("enter the name and password you wish to use, and click\n");
  80         wprintf("\"New User.\"<BR><LI>");
  81         wprintf("<EM>Please log off properly when finished.</EM>");
  82         wprintf("<LI>You must use a browser that supports <i>frames</i> ");
  83         wprintf("and <i>cookies</i>.\n");
  84         wprintf("</EM></UL>\n");
  85
  86         wDumpContent(1);
  87         }
  88
  89
  90
  91
  92 /*
  93  * This function needs to get called whenever a PASS or NEWU succeeds.
  94  */
  95 void become_logged_in(char *user, char *pass, char *serv_response) {
  96         logged_in = 1;
  97         extract(wc_username, &serv_response[4], 0);
  98         strcpy(wc_password, pass);
  99         axlevel = extract_int(&serv_response[4], 1);
 100         if (axlevel >=6) is_aide = 1;
 101         }
 102
 103
 104 void do_login(void) {
 105         char buf[256];
 106         int need_regi = 0;
 107
 108
 109         if (!strcasecmp(bstr("noframes"), "on"))
 110                 noframes = 1;
 111         else
 112                 noframes = 0;
 113
 114         if (!strcasecmp(bstr("action"), "Exit")) {
 115                 do_logout();
 116                 }
 117
 118         if (!strcasecmp(bstr("action"), "Login")) {
 119                 serv_printf("USER %s", bstr("name"));
 120                 serv_gets(buf);
 121                 if (buf[0]=='3') {
 122                         serv_printf("PASS %s", bstr("pass"));
 123                         serv_gets(buf);
 124                         if (buf[0]=='2') {
 125                                 become_logged_in(bstr("name"),
 126                                         bstr("pass"), buf);
 127                                 }
 128                         else {
 129                                 display_login(&buf[4]);
 130                                 return;
 131                                 }
 132                         }
 133                 else {
 134                         display_login(&buf[4]);
 135                         return;
 136                         }
 137                 }
 138
 139         if (!strcasecmp(bstr("action"), "New User")) {
 140                 serv_printf("NEWU %s", bstr("name"));
 141                 serv_gets(buf);
 142                 if (buf[0]=='2') {
 143                         become_logged_in(bstr("name"), bstr("pass"), buf);
 144                         serv_printf("SETP %s", bstr("pass"));
 145                         serv_gets(buf);
 146                         }
 147                 else {
 148                         display_login(&buf[4]);
 149                         return;
 150                         }
 151                 }
 152
 153         if (logged_in) {
 154                 serv_puts("CHEK");
 155                 serv_gets(buf);
 156                 if (buf[0]=='2') {
 157                         need_regi = extract_int(&buf[4], 1);
 158                         /* FIX also check for new mail etc. here */
 159                         }
 160                 if (need_regi) {
 161                         display_reg(1);
 162                         }
 163                 else {
 164                         do_welcome();
 165                         }
 166                 }
 167         else {
 168                 display_login("Your password was not accepted.");
 169                 }
 170
 171         }
 172
 173 void do_welcome(void) {
 174
 175
 176         fprintf(stderr, "DO_WELCOME CALLED, NOFRAMES=%d\n", noframes);
 177
 178         if (noframes) {
 179                 printf("HTTP/1.0 200 OK\n");
 180                 output_headers(1, "_top");
 181                 wprintf("<CENTER><H1>");
 182                 escputs(wc_username);
 183                 wprintf("</H1>\n");
 184                 /* FIX add user stats here */
 185
 186                 wprintf("<HR>");
 187                 embed_main_menu();
 188
 189                 wDumpContent(1);
 190                 }
 191
 192         else {
 193                 output_static("frameset.html");
 194                 }
 195         }
 196
 197
 198 void do_logout(void) {
 199         char buf[256];
 200
 201         strcpy(wc_username, "");
 202         strcpy(wc_password, "");
 203         strcpy(wc_roomname, "");
 204
 205         printf("HTTP/1.0 200 OK\n");
 206         output_headers(2, "_top");      /* note "2" causes cookies to be unset */
 207
 208         wprintf("<CENTER>");
 209         serv_puts("MESG goodbye");
 210         serv_gets(buf);
 211
 212         if (buf[0]=='1') fmout(NULL);
 213         else wprintf("Goodbye\n");
 214
 215         wprintf("<HR><A HREF=\"/\">Log in again</A></CENTER>\n");
 216         wDumpContent(1);
 217         serv_puts("QUIT");
 218         exit(0);
 219         }
 220
 221
 222
 223
 224
 225 /*
 226  * validate new users
 227  */
 228 void validate(void) {
 229         char cmd[256];
 230         char user[256];
 231         char buf[256];
 232         int a;
 233
 234         printf("HTTP/1.0 200 OK\n");
 235         output_headers(1, "bottom");
 236
 237         strcpy(buf,bstr("user"));
 238         if (strlen(buf)>0) if (strlen(bstr("axlevel"))>0) {
 239                 serv_printf("VALI %s|%s",buf,bstr("axlevel"));
 240                 serv_gets(buf);
 241                 if (buf[0]!='2') {
 242                         wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 243                         }
 244                 }
 245
 246         serv_puts("GNUR");
 247         serv_gets(buf);
 248
 249         if (buf[0]!='3') {
 250                 wprintf("<EM>%s</EM><BR>\n", &buf[4]);
 251                 wDumpContent(1);
 252                 return;
 253                 }
 254
 255         strcpy(user,&buf[4]);
 256         serv_printf("GREG %s",user);
 257         serv_gets(cmd);
 258         if (cmd[0]=='1') {
 259                 a = 0;
 260                 do {
 261                         serv_gets(buf);
 262                         ++a;
 263                         if (a==1) wprintf("User #%s<BR><H1>%s</H1>",
 264                                 buf,&cmd[4]);
 265                         if (a==2) wprintf("PW: %s<BR>\n",buf);
 266                         if (a==3) wprintf("%s<BR>\n",buf);
 267                         if (a==4) wprintf("%s<BR>\n",buf);
 268                         if (a==5) wprintf("%s, ",buf);
 269                         if (a==6) wprintf("%s ",buf);
 270                         if (a==7) wprintf("%s<BR>\n",buf);
 271                         if (a==8) wprintf("%s<BR>\n",buf);
 272                         if (a==9) wprintf("Current access level: %d (%s)\n",
 273                                 atoi(buf),axdefs[atoi(buf)]);
 274                         } while(strcmp(buf,"000"));
 275                 }
 276         else {
 277                 wprintf("<H1>%s</H1>%s<BR>\n",user,&cmd[4]);
 278                 }
 279
 280         wprintf("<CENTER><TABLE border><CAPTION>Select access level:");
 281         wprintf("</CAPTION><TR>");
 282         for (a=0; a<=6; ++a) {
 283                 wprintf(
 284                 "<TD><A HREF=\"/validate&user=%s&axlevel=%d\">%s</A></TD>\n",
 285                         urlesc(user), a, axdefs[a]);
 286                 }
 287         wprintf("</TR></TABLE><CENTER><BR>\n");
 288         wDumpContent(1);
 289         }
 290
 291
 292
 293
 294
 295
 296 /*
 297  * Display form for registration.
 298  * (Set during_login to 1 if this registration is being performed during
 299  * new user login and will require chaining to the proper screen.)
 300  */
 301 void display_reg(int during_login) {
 302         char buf[256];
 303         int a;
 304
 305         printf("HTTP/1.0 200 OK\n");
 306         output_headers(1, "bottom");
 307
 308         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=007700><TR><TD>");
 309         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
 310         wprintf("<B>Enter registration info</B>\n");
 311         wprintf("</FONT></TD></TR></TABLE>\n");
 312
 313         wprintf("<CENTER>");
 314         serv_puts("MESG register");
 315         serv_gets(buf);
 316         if (buf[0]=='1') fmout(NULL);
 317
 318         wprintf("<FORM ACTION=\"/register\" METHOD=\"POST\">\n");
 319         wprintf("<INPUT TYPE=\"hidden\" NAME=\"during_login\" VALUE=\"%d\">\n", during_login);
 320
 321         serv_puts("GREG _SELF_");
 322         serv_gets(buf);
 323         if (buf[0]!='1') {
 324                 wprintf("<EM>%s</EM><BR>\n",&buf[4]);
 325                 }
 326         else {
 327
 328                 wprintf("<H1>%s</H1><TABLE border>\n",&buf[4]);
 329                 a = 0;
 330                 while (serv_gets(buf), strcmp(buf,"000")) {
 331                         ++a;
 332                         wprintf("<TR><TD>");
 333                         switch(a) {
 334                                 case 3: wprintf("Real Name:</TD><TD><INPUT TYPE=\"text\" NAME=\"realname\" VALUE=\"%s\" MAXLENGTH=\"29\"><BR>\n",buf);
 335                                         break;
 336                                 case 4: wprintf("Street Address:</TD><TD><INPUT TYPE=\"text\" NAME=\"address\" VALUE=\"%s\" MAXLENGTH=\"24\"><BR>\n",buf);
 337                                         break;
 338                                 case 5: wprintf("City/town:</TD><TD><INPUT TYPE=\"text\" NAME=\"city\" VALUE=\"%s\" MAXLENGTH=\"14\"><BR>\n",buf);
 339                                         break;
 340                                 case 6: wprintf("State/province:</TD><TD><INPUT TYPE=\"text\" NAME=\"state\" VALUE=\"%s\" MAXLENGTH=\"2\"><BR>\n",buf);
 341                                         break;
 342                                 case 7: wprintf("ZIP code:</TD><TD><INPUT TYPE=\"text\" NAME=\"zip\" VALUE=\"%s\" MAXLENGTH=\"10\"><BR>\n",buf);
 343                                         break;
 344                                 case 8: wprintf("Telephone:</TD><TD><INPUT TYPE=\"text\" NAME=\"phone\" VALUE=\"%s\" MAXLENGTH=\"14\"><BR>\n",buf);
 345                                         break;
 346                                 case 9: wprintf("E-Mail:</TD><TD><INPUT TYPE=\"text\" NAME=\"email\" VALUE=\"%s\" MAXLENGTH=\"31\"><BR>\n",buf);
 347                                         break;
 348                                 }
 349                         wprintf("</TD></TR>\n");
 350                         }
 351                 wprintf("</TABLE><P>");
 352                 }
 353         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Register\">\n");
 354         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Cancel\">\n");
 355         wprintf("</CENTER>\n");
 356         wDumpContent(1);
 357         }
 358
 359 /*
 360  * register
 361  */
 362 void register_user(void) {
 363         char buf[256];
 364
 365         if (strcmp(bstr("action"),"Register")) {
 366                 display_error("Cancelled.  Registration was not saved.");
 367                 return;
 368                 }
 369
 370         serv_puts("REGI");
 371         serv_gets(buf);
 372         if (buf[0]!='4') {
 373                 display_error(&buf[4]);
 374                 }
 375
 376         serv_puts(bstr("realname"));
 377         serv_puts(bstr("address"));
 378         serv_puts(bstr("city"));
 379         serv_puts(bstr("state"));
 380         serv_puts(bstr("zip"));
 381         serv_puts(bstr("phone"));
 382         serv_puts(bstr("email"));
 383         serv_puts("000");
 384
 385         if (atoi(bstr("during_login"))) {
 386                 do_welcome();
 387                 }
 388         else {
 389                 display_error("Registration information has been saved.");
 390                 }
 391         }
 392
 393
 394
 395
 396
 397 /*
 398  * display form for changing your password
 399  */
 400 void display_changepw(void) {
 401         char buf[256];
 402
 403         printf("HTTP/1.0 200 OK\n");
 404         output_headers(1, "bottom");
 405
 406         wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=770000><TR><TD>");
 407         wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
 408         wprintf("<B>Change your password</B>\n");
 409         wprintf("</FONT></TD></TR></TABLE>\n");
 410
 411         wprintf("<CENTER>");
 412         serv_puts("MESG changepw");
 413         serv_gets(buf);
 414         if (buf[0]=='1') fmout(NULL);
 415
 416         wprintf("<FORM ACTION=\"changepw\" METHOD=\"POST\">\n");
 417         wprintf("<CENTER><TABLE border><TR><TD>Enter new password:</TD>\n");
 418         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 419         wprintf("<TR><TD>Enter it again to confirm:</TD>\n");
 420         wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
 421         wprintf("</TABLE>\n");
 422         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Change\">\n");
 423         wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Cancel\">\n");
 424         wprintf("</CENTER>\n");
 425         wDumpContent(1);
 426         }
 427
 428 /*
 429  * change password
 430  */
 431 void changepw(void) {
 432         char buf[256];
 433         char newpass1[32], newpass2[32];
 434
 435         if (strcmp(bstr("action"),"Change")) {
 436                 display_error("Cancelled.  Password was not changed.");
 437                 return;
 438                 }
 439
 440         strcpy(newpass1, bstr("newpass1"));
 441         strcpy(newpass2, bstr("newpass2"));
 442
 443         if (strcasecmp(newpass1, newpass2)) {
 444                 display_error("They don't match.  Password was not changed.");
 445                 return;
 446                 }
 447
 448         serv_printf("SETP %s", newpass1);
 449         serv_gets(buf);
 450         if (buf[0]=='2') display_success(&buf[4]);
 451         else display_error(&buf[4]);
 452         }