citadel/routines2.c

   1 /* More Citadel/UX routines...
   2  * unlike routines.c, some of these DO use global variables.
   3  * $Id$
   4  */
   5
   6 #include "sysdep.h"
   7 #include <stdlib.h>
   8 #include <unistd.h>
   9 #include <sys/types.h>
  10 #include <sys/stat.h>
  11 #include <fcntl.h>
  12 #include <stdio.h>
  13 #include <ctype.h>
  14 #include <string.h>
  15 #include <time.h>
  16 #include <signal.h>
  17 #include <pwd.h>
  18 #include <setjmp.h>
  19 #include <errno.h>
  20 #include <stdarg.h>
  21 #include "citadel.h"
  22 #include "routines2.h"
  23 #include "routines.h"
  24 #include "commands.h"
  25 #include "tools.h"
  26 #include "messages.h"
  27 #ifndef HAVE_SNPRINTF
  28 #include "snprintf.h"
  29 #endif
  30
  31 void interr(int errnum);
  32 void strprompt(char *prompt, char *str, int len);
  33 void newprompt(char *prompt, char *str, int len);
  34 void sttybbs(int cmd);
  35 int inkey(void);
  36 void serv_write(char *buf, int nbytes);
  37 int haschar(char *st, int ch);
  38 void progress(long int curr, long int cmax);
  39 void citedit(FILE *fp, long int base_pos);
  40 int yesno(void);
  41
  42 extern char temp[];
  43 extern char tempdir[];
  44 extern char *axdefs[7];
  45 extern long highest_msg_read;
  46 extern long maxmsgnum;
  47 extern unsigned room_flags;
  48 extern int screenwidth;
  49
  50
  51 int eopen(char *name, int mode)
  52 {
  53         int ret;
  54         ret = open(name,mode);
  55         if (ret<0) {
  56                 fprintf(stderr,"Cannot open file '%s', mode=%d, errno=%d\n",
  57                         name,mode,errno);
  58                 interr(errno);
  59                 }
  60         return(ret);
  61         }
  62
  63
  64 int room_prompt(int qrflags)    /* return proper room prompt character */
  65              {
  66         int a;
  67         a='>';
  68         if (qrflags&QR_DIRECTORY) a=']';
  69         if ((a==']')&&(qrflags&QR_NETWORK)) a='}';
  70         if ((a=='>')&&(qrflags&QR_NETWORK)) a=')';
  71         return(a);
  72         }
  73
  74 void entregis(void)     /* register with name and address */
  75         {
  76
  77         char buf[256];
  78         char tmpname[256];
  79         char tmpaddr[256];
  80         char tmpcity[256];
  81         char tmpstate[256];
  82         char tmpzip[256];
  83         char tmpphone[256];
  84         char tmpemail[256];
  85         int a;
  86
  87         strcpy(tmpname,"");
  88         strcpy(tmpaddr,"");
  89         strcpy(tmpcity,"");
  90         strcpy(tmpstate,"");
  91         strcpy(tmpzip,"");
  92         strcpy(tmpphone,"");
  93         strcpy(tmpemail,"");
  94
  95         serv_puts("GREG _SELF_");
  96         serv_gets(buf);
  97         if (buf[0]=='1') {
  98                 a = 0;
  99                 while (serv_gets(buf), strcmp(buf,"000")) {
 100                         if (a==2) strcpy(tmpname,buf);
 101                         if (a==3) strcpy(tmpaddr,buf);
 102                         if (a==4) strcpy(tmpcity,buf);
 103                         if (a==5) strcpy(tmpstate,buf);
 104                         if (a==6) strcpy(tmpzip,buf);
 105                         if (a==7) strcpy(tmpphone,buf);
 106                         if (a==9) strcpy(tmpemail,buf);
 107                         ++a;
 108                         }
 109                 }
 110
 111         strprompt("REAL name",tmpname,29);
 112         strprompt("Address",tmpaddr,24);
 113         strprompt("City/town",tmpcity,14);
 114         strprompt("State",tmpstate,2);
 115         strprompt("ZIP Code",tmpzip,10);
 116         strprompt("Telephone number",tmpphone,14);
 117         strprompt("Email address",tmpemail,31);
 118
 119         /* now send the registration info back to the server */
 120         serv_puts("REGI");
 121         serv_gets(buf);
 122         if (buf[0]!='4') {
 123                 printf("%s\n",&buf[4]);
 124                 return;
 125                 }
 126         serv_puts(tmpname);
 127         serv_puts(tmpaddr);
 128         serv_puts(tmpcity);
 129         serv_puts(tmpstate);
 130         serv_puts(tmpzip);
 131         serv_puts(tmpphone);
 132         serv_puts(tmpemail);
 133         serv_puts("000");
 134         printf("\n");
 135         }
 136
 137 void updatels(void) {   /* make all messages old in current room */
 138         char buf[256];
 139         serv_puts("SLRP HIGHEST");
 140         serv_gets(buf);
 141         if (buf[0]!='2') printf("%s\n",&buf[4]);
 142         }
 143
 144 void updatelsa(void) {   /* only make messages old in this room that have been read */
 145         char buf[256];
 146         sprintf(buf,"SLRP %ld",highest_msg_read);
 147         serv_puts(buf);
 148         serv_gets(buf);
 149         if (buf[0]!='2') printf("%s\n",&buf[4]);
 150         }
 151
 152
 153 /*
 154  * This routine completes a client upload
 155  */
 156 void do_upload(int fd) {
 157         char buf[256];
 158         char tbuf[4096];
 159         long transmitted_bytes, total_bytes;
 160         int bytes_to_send;
 161         int bytes_expected;
 162
 163         /* learn the size of the file */
 164         total_bytes = lseek(fd,0L,2);
 165         lseek(fd,0L,0);
 166
 167         transmitted_bytes = 0L;
 168         progress(transmitted_bytes,total_bytes);
 169         do {
 170                 bytes_to_send = read(fd,tbuf,4096);
 171                 if (bytes_to_send>0) {
 172                         sprintf(buf,"WRIT %d",bytes_to_send);
 173                         serv_puts(buf);
 174                         serv_gets(buf);
 175                         if (buf[0]=='7') {
 176                                 bytes_expected = atoi(&buf[4]);
 177                                 serv_write(tbuf,bytes_expected);
 178                                 }
 179                         else {
 180                                 printf("%s\n",&buf[4]);
 181                                 }
 182                         }
 183                 transmitted_bytes = transmitted_bytes + (long)bytes_to_send;
 184                 progress(transmitted_bytes, total_bytes);
 185                 } while (bytes_to_send > 0);
 186
 187         /* close the upload file, locally and at the server */
 188         close(fd);
 189         serv_puts("UCLS 1");
 190         serv_gets(buf);
 191         printf("%s\n",&buf[4]);
 192         }
 193
 194
 195 /*
 196  * client-based uploads (for users with their own clientware)
 197  */
 198 void cli_upload(void) {
 199         char flnm[256];
 200         char desc[151];
 201         char buf[256];
 202         char tbuf[256];
 203         int a;
 204         int fd;
 205
 206         if ((room_flags & QR_UPLOAD) == 0) {
 207                 printf("*** You cannot upload to this room.\n");
 208                 return;
 209                 }
 210
 211         newprompt("File to be uploaded: ",flnm,55);
 212         fd = open(flnm,O_RDONLY);
 213         if (fd<0) {
 214                 printf("Cannot open '%s': %s\n",flnm,strerror(errno));
 215                 return;
 216                 }
 217         printf("Enter a description of this file:\n");
 218         newprompt(": ",desc,75);
 219
 220         /* keep generating filenames in hope of finding a unique one */
 221         a = 0;
 222         do {
 223                 if (a==10) return; /* fail if tried 10 times */
 224                 strcpy(buf,flnm);
 225                 while ((strlen(buf)>0)&&(haschar(buf,'/')))
 226                         strcpy(buf,&buf[1]);
 227                 if (a>0) sprintf(&buf[strlen(buf)],"%d",a);
 228                 sprintf(tbuf,"UOPN %s|%s",buf,desc);
 229                 serv_puts(tbuf);
 230                 serv_gets(buf);
 231                 if (buf[0]!='2') printf("%s\n",&buf[4]);
 232                 ++a;
 233                 } while (buf[0]!='2');
 234
 235         /* at this point we have an open upload file at the server */
 236         do_upload(fd);
 237         }
 238
 239
 240 /*
 241  * Function used for various image upload commands
 242  */
 243 void cli_image_upload(char *keyname) {
 244         char flnm[256];
 245         char buf[256];
 246         int fd;
 247
 248         sprintf(buf, "UIMG 0|%s", keyname);
 249         serv_puts(buf);
 250         serv_gets(buf);
 251         if (buf[0] != '2') {
 252                 printf("%s\n", &buf[4]);
 253                 return;
 254                 }
 255
 256         newprompt("Image file to be uploaded: ",flnm,55);
 257         fd = open(flnm,O_RDONLY);
 258         if (fd<0) {
 259                 printf("Cannot open '%s': %s\n",flnm,strerror(errno));
 260                 return;
 261                 }
 262
 263         sprintf(buf, "UIMG 1|%s", keyname);
 264         serv_puts(buf);
 265         serv_gets(buf);
 266         if (buf[0] != '2') {
 267                 printf("%s\n", &buf[4]);
 268                 return;
 269                 }
 270
 271         do_upload(fd);
 272         }
 273
 274
 275 /*
 276  * protocol-based uploads (Xmodem, Ymodem, Zmodem)
 277  */
 278 void upload(int c)      /* c = upload mode */
 279        {
 280         char flnm[256];
 281         char desc[151];
 282         char buf[256];
 283         char tbuf[4096];
 284         int xfer_pid;
 285         int a,b;
 286         FILE *fp,*lsfp;
 287         int fd;
 288
 289         if ((room_flags & QR_UPLOAD) == 0) {
 290                 printf("*** You cannot upload to this room.\n");
 291                 return;
 292                 }
 293
 294         /* we don't need a filename when receiving batch y/z modem */
 295         if ((c==2)||(c==3)) strcpy(flnm,"x");
 296         else newprompt("Enter filename: ",flnm,15);
 297
 298         for (a=0; a<strlen(flnm); ++a)
 299                 if ( (flnm[a]=='/') || (flnm[a]=='\\') || (flnm[a]=='>')
 300                      || (flnm[a]=='?') || (flnm[a]=='*')
 301                      || (flnm[a]==';') || (flnm[a]=='&') ) flnm[a]='_';
 302
 303         newprompt("Enter a short description of the file:\n: ",desc,150);
 304
 305         /* create a temporary directory... */
 306         if (mkdir(tempdir,0700) != 0) {
 307                 printf("*** Could not create temporary directory %s: %s\n",
 308                         tempdir,strerror(errno));
 309                 return;
 310                 }
 311
 312         /* now do the transfer ... in a separate process */
 313         xfer_pid = fork();
 314         if (xfer_pid == 0) {
 315             chdir(tempdir);
 316             switch(c) {
 317                 case 0:
 318                         sttybbs(0);
 319                         printf("Receiving %s - press Ctrl-D to end.\n",flnm);
 320                         fp = fopen(flnm,"w");
 321                         do {
 322                                 b=inkey();
 323                                 if (b==13) {
 324                                         b=10; printf("\r");
 325                                         }
 326                                 if (b!=4) {
 327                                         printf("%c",b);
 328                                         putc(b,fp);
 329                                         }
 330                                 } while(b!=4);
 331                         fclose(fp);
 332                         exit(0);
 333                 case 1:
 334                         sttybbs(3);
 335                         execlp("rx","rx",flnm,NULL);
 336                         exit(1);
 337                 case 2:
 338                         sttybbs(3);
 339                         execlp("rb","rb",NULL);
 340                         exit(1);
 341                 case 3:
 342                         sttybbs(3);
 343                         execlp("rz","rz",NULL);
 344                         exit(1);
 345                         }
 346                 }
 347         else do {
 348                 b=ka_wait(&a);
 349                 } while ((b!=xfer_pid)&&(b!=(-1)));
 350         sttybbs(0);
 351
 352         if (a != 0) {
 353                 printf("\r*** Transfer unsuccessful.\n");
 354                 nukedir(tempdir);
 355                 return;
 356                 }
 357
 358         printf("\r*** Transfer successful.  Sending file(s) to server...\n");
 359         sprintf(buf,"cd %s; ls",tempdir);
 360         lsfp = popen(buf,"r");
 361         if (lsfp!=NULL) {
 362                 while (fgets(flnm,256,lsfp)!=NULL) {
 363                         flnm[strlen(flnm)-1] = 0;
 364                         sprintf(buf,"%s/%s",tempdir,flnm);
 365                         fd = open(buf,O_RDONLY);
 366                         if (fd>=0) {
 367                                 a = 0;
 368                                 do {
 369                                         sprintf(buf,"UOPN %s|%s",flnm,desc);
 370                                         if (a>0) sprintf(&buf[strlen(buf)],
 371                                                 ".%d",a);
 372                                         ++a;
 373                                         serv_puts(buf);
 374                                         serv_gets(buf);
 375                                         } while((buf[0]!='2')&&(a<100));
 376                                 if (buf[0]=='2') do {
 377                                         a=read(fd,tbuf,4096);
 378                                         if (a>0) {
 379                                                 sprintf(buf,"WRIT %d",a);
 380                                                 serv_puts(buf);
 381                                                 serv_gets(buf);
 382                                                 if (buf[0]=='7')
 383                                                         serv_write(tbuf,a);
 384                                                 }
 385                                         } while (a>0);
 386                                 close(fd);
 387                                 serv_puts("UCLS 1");
 388                                 serv_gets(buf);
 389                                 printf("%s\n",&buf[4]);
 390                                 }
 391                         }
 392                 pclose(lsfp);
 393                 }
 394
 395         nukedir(tempdir);
 396         }
 397
 398 /*
 399  * validate a user
 400  */
 401 void val_user(char *user, int do_validate)
 402 {
 403         int a;
 404         char cmd[256];
 405         char buf[256];
 406         int ax = 0;
 407
 408         sprintf(cmd, "GREG %s", user);
 409         serv_puts(cmd);
 410         serv_gets(cmd);
 411         if (cmd[0]=='1') {
 412                 a = 0;
 413                 do {
 414                         serv_gets(buf);
 415                         ++a;
 416                         if (a==1) printf("User #%s - %s  ", buf, &cmd[4]);
 417                         if (a==2) printf("PW: %s\n",buf);
 418                         if (a==3) printf("%s\n",buf);
 419                         if (a==4) printf("%s\n",buf);
 420                         if (a==5) printf("%s, ",buf);
 421                         if (a==6) printf("%s ",buf);
 422                         if (a==7) printf("%s\n",buf);
 423                         if (a==8) printf("%s\n",buf);
 424                         if (a==9) ax=atoi(buf);
 425                         if (a==10) printf("%s\n",buf);
 426                         } while(strcmp(buf,"000"));
 427                 printf("Current access level: %d (%s)\n",ax,axdefs[ax]);
 428                 }
 429         else {
 430                 printf("%-30s\n%s\n",user,&cmd[4]);
 431                 }
 432
 433         if (do_validate) {
 434                 /* now set the access level */
 435                 ax = intprompt("Access level", ax, 0, 6);
 436                 sprintf(cmd,"VALI %s|%d",user,ax);
 437                 serv_puts(cmd);
 438                 serv_gets(cmd);
 439                 if (cmd[0]!='2') printf("%s\n",&cmd[4]);
 440                 }
 441         printf("\n");
 442         }
 443
 444
 445 void validate(void) {   /* validate new users */
 446         char cmd[256];
 447         char buf[256];
 448         int finished = 0;
 449
 450         do {
 451                 serv_puts("GNUR");
 452                 serv_gets(cmd);
 453                 if (cmd[0]!='3') finished = 1;
 454                 if (cmd[0]=='2') printf("%s\n",&cmd[4]);
 455                 if (cmd[0]=='3') {
 456                         extract(buf, cmd, 0);
 457                         val_user(&buf[4], 1);
 458                         }
 459                 } while(finished==0);
 460         }
 461
 462 void subshell(void) {
 463         int a,b;
 464         a=fork();
 465         if (a==0) {
 466                 sttybbs(SB_RESTORE);
 467                 signal(SIGINT,SIG_DFL);
 468                 signal(SIGQUIT,SIG_DFL);
 469                 execlp(getenv("SHELL"),getenv("SHELL"),NULL);
 470                 printf("Could not open a shell: %s\n", strerror(errno));
 471                 exit(errno);
 472                 }
 473         do {
 474                 b=ka_wait(NULL);
 475                 } while ((a!=b)&&(a!=(-1)));
 476         sttybbs(0);
 477         }
 478
 479 /*
 480  * <.A>ide <F>ile <D>elete command
 481  */
 482 void deletefile(void) {
 483         char filename[32];
 484         char cmd[256];
 485
 486         newprompt("Filename: ",filename,31);
 487         if (strlen(filename)==0) return;
 488         sprintf(cmd,"DELF %s",filename);
 489         serv_puts(cmd);
 490         serv_gets(cmd);
 491         printf("%s\n",&cmd[4]);
 492         }
 493
 494 /*
 495  * <.A>ide <F>ile <S>end command
 496  */
 497 void netsendfile(void) {
 498         char filename[32],destsys[20],cmd[256];
 499
 500         newprompt("Filename: ",filename,31);
 501         if (strlen(filename)==0) return;
 502         newprompt("System to send to: ",destsys,19);
 503         sprintf(cmd,"NETF %s|%s",filename,destsys);
 504         serv_puts(cmd);
 505         serv_gets(cmd);
 506         printf("%s\n",&cmd[4]);
 507         return;
 508         }
 509
 510 /*
 511  * <.A>ide <F>ile <M>ove command
 512  */
 513 void movefile(void) {
 514         char filename[64];
 515         char newroom[ROOMNAMELEN];
 516         char cmd[256];
 517
 518         newprompt("Filename: ",filename,63);
 519         if (strlen(filename)==0) return;
 520         newprompt("Enter target room: ",newroom,ROOMNAMELEN-1);
 521
 522         sprintf(cmd,"MOVF %s|%s",filename,newroom);
 523         serv_puts(cmd);
 524         serv_gets(cmd);
 525         printf("%s\n",&cmd[4]);
 526         }
 527
 528
 529 /*
 530  * list of users who have filled out a bio
 531  */
 532 void list_bio(void) {
 533         char buf[256];
 534         int pos = 1;
 535
 536         serv_puts("LBIO");
 537         serv_gets(buf);
 538         if (buf[0]!='1') {
 539                 printf("%s\n",&buf[4]);
 540                 return;
 541                 }
 542         while (serv_gets(buf), strcmp(buf,"000")) {
 543                 if ((pos+strlen(buf)+5)>screenwidth) {
 544                         printf("\n");
 545                         pos = 1;
 546                         }
 547                 printf("%s, ",buf);
 548                 pos = pos + strlen(buf) + 2;
 549                 }
 550         printf("%c%c  \n\n",8,8);
 551         }
 552
 553
 554 /*
 555  * read bio
 556  */
 557 void read_bio(void) {
 558         char who[256];
 559         char buf[256];
 560
 561         do {
 562                 newprompt("Read bio for who ('?' for list) : ",who,25);
 563                 printf("\n");
 564                 if (!strcmp(who,"?")) list_bio();
 565                 } while(!strcmp(who,"?"));
 566         sprintf(buf,"RBIO %s",who);
 567         serv_puts(buf);
 568         serv_gets(buf);
 569         if (buf[0]!='1') {
 570                 printf("%s\n",&buf[4]);
 571                 return;
 572                 }
 573         while (serv_gets(buf), strcmp(buf,"000")) {
 574                 printf("%s\n",buf);
 575                 }
 576         }
 577
 578
 579 /*
 580  * General system configuration command
 581  */
 582 void do_system_configuration(void) {
 583         char buf[256];
 584         char sc[21][256];
 585         int expire_mode = 0;
 586         int expire_value = 0;
 587         int a;
 588
 589         /* Clear out the config buffers */
 590         memset(&sc[0][0], 0, sizeof(sc));
 591
 592         /* Fetch the current config */
 593         serv_puts("CONF get");
 594         serv_gets(buf);
 595         if (buf[0] == '1') {
 596                 a = 0;
 597                 while (serv_gets(buf), strcmp(buf, "000")) {
 598                         if (a<21) strcpy(&sc[a][0], buf);
 599                         ++a;
 600                         }
 601                 }
 602
 603         /* Fetch the expire policy (this will silently fail on old servers,
 604          * resulting in "default" policy)
 605          */
 606         serv_puts("GPEX site");
 607         serv_gets(buf);
 608         if (buf[0]=='2') {
 609                 expire_mode = extract_int(&buf[4], 0);
 610                 expire_value = extract_int(&buf[4], 1);
 611                 }
 612
 613         strprompt("Node name", &sc[0][0], 15);
 614         strprompt("Fully qualified domain name", &sc[1][0], 63);
 615         strprompt("Human readable node name", &sc[2][0], 20);
 616         strprompt("Modem dialup number", &sc[3][0], 15);
 617
 618         sprintf(&sc[4][0], "%d", (boolprompt(
 619                 "Automatically give room aide privs to a user who creates a private room",
 620                 atoi(&sc[4][0]))));
 621
 622         strprompt("Server connection idle timeout (in seconds)", &sc[5][0], 4);
 623         strprompt("Initial access level for new users", &sc[6][0], 1);
 624         strprompt("Access level required to create rooms", &sc[19][0], 1);
 625
 626         sprintf(&sc[7][0], "%d", (boolprompt(
 627                 "Require registration for new users",
 628                 atoi(&sc[7][0]))));
 629
 630         sprintf(&sc[8][0], "%d", (boolprompt(
 631                 "Automatically move problem user messages to twit room",
 632                 atoi(&sc[8][0]))));
 633
 634         strprompt("Name of twit room", &sc[9][0], ROOMNAMELEN);
 635         strprompt("Paginator prompt", &sc[10][0], 79);
 636
 637         sprintf(&sc[11][0], "%d", (boolprompt(
 638                 "Restrict Internet mail to only those with that privilege",
 639                 atoi(&sc[11][0]))));
 640
 641         strprompt("Geographic location of this system", &sc[12][0], 31);
 642         strprompt("Name of system administrator", &sc[13][0], 25);
 643         strprompt("Maximum concurrent sessions", &sc[14][0], 4);
 644         strprompt("Server-to-server networking password", &sc[15][0], 19);
 645         strprompt("Default user purge time (days)", &sc[16][0], 5);
 646         strprompt("Default room purge time (days)", &sc[17][0], 5);
 647         strprompt("Name of room to log pages", &sc[18][0], ROOMNAMELEN);
 648         strprompt("Maximum message length", &sc[20][0], 20);
 649
 650         /* Angels and demons dancing in my head... */
 651         do {
 652                 sprintf(buf, "%d", expire_mode);
 653                 strprompt("System default message expire policy (? for list)",
 654                         buf, 1);
 655                 if (buf[0] == '?') {
 656                         printf("\n");
 657                         printf("1. Never automatically expire messages\n");
 658                         printf("2. Expire by message count\n");
 659                         printf("3. Expire by message age\n");
 660                         }
 661                 } while((buf[0]<49)||(buf[0]>51));
 662         expire_mode = buf[0] - 48;
 663
 664         /* ...lunatics and monsters underneath my bed */
 665         if (expire_mode == 2) {
 666                 sprintf(buf, "%d", expire_value);
 667                 strprompt("Keep how many messages online?", buf, 10);
 668                 expire_value = atol(buf);
 669                 }
 670
 671         if (expire_mode == 3) {
 672                 sprintf(buf, "%d", expire_value);
 673                 strprompt("Keep messages for how many days?", buf, 10);
 674                 expire_value = atol(buf);
 675                 }
 676
 677         /* Save it */
 678         printf("Save this configuration? ");
 679         if (yesno()) {
 680                 serv_puts("CONF set");
 681                 serv_gets(buf);
 682                 if (buf[0] == '4') {
 683                         for (a=0; a<21; ++a) serv_puts(&sc[a][0]);
 684                         serv_puts("000");
 685                         }
 686
 687                 snprintf(buf, sizeof buf, "SPEX site|%d|%d",
 688                         expire_mode, expire_value);
 689                 serv_puts(buf);
 690                 serv_gets(buf);
 691                 }
 692         }