citadel/routines2.c

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