4.3BSD - /usr/src/new/rn/respond.c

   1: /* $Header: respond.c,v 4.3.1.5 85/09/10 11:05:00 lwall Exp $
   2:  *
   3:  * $Log:	respond.c,v $
   4:  * Revision 4.3.1.5  85/09/10  11:05:00  lwall
   5:  * Improved %m in in_char().
   6:  *
   7:  * Revision 4.3.1.4  85/05/23  17:24:49  lwall
   8:  * Now allows 'r' and 'f' on null articles.
   9:  *
  10:  * Revision 4.3.1.3  85/05/15  14:42:32  lwall
  11:  * Removed duplicate include of intrp.h.
  12:  *
  13:  * Revision 4.3.1.2  85/05/14  08:55:15  lwall
  14:  * Default for normal/mailbox question was applied to wrong buffer.
  15:  *
  16:  * Revision 4.3.1.1  85/05/10  11:37:33  lwall
  17:  * Branch for patches.
  18:  *
  19:  * Revision 4.3  85/05/01  11:47:04  lwall
  20:  * Baseline for release with 4.3bsd.
  21:  *
  22:  */
  23: 
  24: #include "EXTERN.h"
  25: #include "common.h"
  26: #include "intrp.h"
  27: #include "head.h"
  28: #include "term.h"
  29: #include "ng.h"
  30: #include "util.h"
  31: #include "rn.h"
  32: #include "artio.h"
  33: #include "final.h"
  34: #include "INTERN.h"
  35: #include "respond.h"
  36: 
  37: static char nullart[] = "\nNull article\n";
  38: 
  39: void
  40: respond_init()
  41: {
  42:     ;
  43: }
  44: 
  45: int
  46: save_article()
  47: {
  48:     bool use_pref;
  49:     register char *s, *c;
  50:     char altbuf[CBUFLEN];
  51:     int iter;
  52:     bool interactive = (buf[1] == FINISHCMD);
  53: 
  54:     if (!finish_command(interactive))   /* get rest of command */
  55:     return SAVE_ABORT;
  56:     use_pref = isupper(*buf);
  57: #ifdef ASYNC_PARSE
  58:     parse_maybe(art);
  59: #endif
  60:     savefrom = (*buf=='w' || *buf=='W' ? htype[PAST_HEADER].ht_minpos : 0);
  61:     if (artopen(art) == Nullfp) {
  62: #ifdef VERBOSE
  63:     IF(verbose)
  64:         fputs("\n\
  65: Saving null articles is not very productive!  :-)\n\
  66: ",stdout) FLUSH;
  67:     ELSE
  68: #endif
  69: #ifdef TERSE
  70:         fputs(nullart,stdout) FLUSH;
  71: #endif
  72:     return SAVE_DONE;
  73:     }
  74:     if (chdir(cwd)) {
  75:     printf(nocd,cwd) FLUSH;
  76:     sig_catcher(0);
  77:     }
  78:     if (savedest)
  79:     free(savedest);
  80:     if ((s = index(buf,'|')) != Nullch) {
  81:                 /* is it a pipe command? */
  82:     s++;            /* skip the | */
  83:     while (*s == ' ') s++;
  84:     safecpy(altbuf,filexp(s),sizeof altbuf);
  85:     savedest = altbuf;
  86:     interp(cmd_buf, (sizeof cmd_buf), getval("PIPESAVER",PIPESAVER));
  87:                 /* then set up for command */
  88:     resetty();      /* restore tty state */
  89:     if (use_pref)       /* use preferred shell? */
  90:         doshell(Nullch,cmd_buf);
  91:                 /* do command with it */
  92:     else
  93:         doshell(sh,cmd_buf);    /* do command with sh */
  94:     noecho();       /* and stop echoing */
  95:     crmode();       /* and start cbreaking */
  96:     savedest = savestr(savedest);
  97:     }
  98:     else {          /* normal save */
  99:     bool there, mailbox;
 100:     char *savename = getval("SAVENAME",SAVENAME);
 101: 
 102:     s = buf+1;      /* skip s or S */
 103:     if (*s == '-') {    /* if they are confused, skip - also */
 104: #ifdef VERBOSE
 105:         IF(verbose)
 106:         fputs("Warning: '-' ignored.  This isn't readnews.\n",stdout)
 107:           FLUSH;
 108:         ELSE
 109: #endif
 110: #ifdef TERSE
 111:         fputs("'-' ignored.\n",stdout) FLUSH;
 112: #endif
 113:         s++;
 114:     }
 115:     for (; *s == ' '; s++); /* skip spaces */
 116:     safecpy(altbuf,filexp(s),sizeof altbuf);
 117:     s = altbuf;
 118:     if (! index(s,'/')) {
 119:         interp(buf, (sizeof buf), getval("SAVEDIR",SAVEDIR));
 120:         if (makedir(buf,MD_DIR))    /* ensure directory exists */
 121:         strcpy(buf,cwd);
 122:         if (*s) {
 123:         for (c = buf; *c; c++) ;
 124:         *c++ = '/';
 125:         strcpy(c,s);        /* add filename */
 126:         }
 127:         s = buf;
 128:     }
 129:     for (iter = 0;
 130:         (there = stat(s,&filestat) >= 0) &&
 131:         (filestat.st_mode & S_IFDIR);
 132:         iter++) {           /* is it a directory? */
 133: 
 134:         c = (s+strlen(s));
 135:         *c++ = '/';         /* put a slash before filename */
 136:         interp(c, s==buf?(sizeof buf):(sizeof altbuf),
 137:         iter ? "News" : savename );
 138:                 /* generate a default name somehow or other */
 139:         if (index(c,'/')) {     /* yikes, a '/' in the filename */
 140:         makedir(s,MD_FILE);
 141:         }
 142:     }
 143:     if (*s != '/') {        /* relative path? */
 144:         c = (s==buf ? altbuf : buf);
 145:         sprintf(c, "%s/%s", cwd, s);
 146:         s = c;          /* absolutize it */
 147:     }
 148:     s = savedest = savestr(s);  /* doesn't move any more */
 149:                     /* make it handy for %b */
 150:     if (!there) {
 151:         if (mbox_always)
 152:         mailbox = TRUE;
 153:         else if (norm_always)
 154:         mailbox = FALSE;
 155:         else {
 156:         char *dflt = (instr(savename,"%a") ? "nyq" : "ynq");
 157: 
 158:         sprintf(cmd_buf,
 159:         "\nFile %s doesn't exist--\n	use mailbox format? [%s] ",
 160:           s,dflt);
 161:           reask_save:
 162:         in_char(cmd_buf, 'M');
 163:         putchar('\n') FLUSH;
 164:         setdef(buf,dflt);
 165: #ifdef VERIFY
 166:         printcmd();
 167: #endif
 168:         if (*buf == 'h') {
 169: #ifdef VERBOSE
 170:             IF(verbose)
 171:             printf("\n\
 172: Type y to create %s as a mailbox.\n\
 173: Type n to create it as a normal file.\n\
 174: Type q to abort the save.\n\
 175: ",s) FLUSH;
 176:             ELSE
 177: #endif
 178: #ifdef TERSE
 179:             fputs("\n\
 180: y to create mailbox.\n\
 181: n to create normal file.\n\
 182: q to abort.\n\
 183: ",stdout) FLUSH;
 184: #endif
 185:             goto reask_save;
 186:         }
 187:         else if (*buf == 'n') {
 188:             mailbox = FALSE;
 189:         }
 190:         else if (*buf == 'y') {
 191:             mailbox = TRUE;
 192:         }
 193:         else if (*buf == 'q') {
 194:             goto s_bomb;
 195:         }
 196:         else {
 197:             fputs(hforhelp,stdout) FLUSH;
 198:             settle_down();
 199:             goto reask_save;
 200:         }
 201:         }
 202:     }
 203:     else if (filestat.st_mode & S_IFCHR)
 204:         mailbox = FALSE;
 205:     else {
 206:         int tmpfd;
 207: 
 208:         tmpfd = open(s,0);
 209:         if (tmpfd == -1)
 210:         mailbox = FALSE;
 211:         else {
 212:         read(tmpfd,buf,LBUFLEN);
 213:         c = buf;
 214:         if (!isspace(MBOXCHAR))
 215:             while (isspace(*c))
 216:             c++;
 217:         mailbox = (*c == MBOXCHAR);
 218:         close(tmpfd);
 219:         }
 220:     }
 221: 
 222:     safecpy(cmd_buf, filexp(mailbox ?
 223:         getval("MBOXSAVER",MBOXSAVER) :
 224:         getval("NORMSAVER",NORMSAVER) ), sizeof cmd_buf);
 225:                 /* format the command */
 226:     resetty();      /* make terminal behave */
 227:     if (doshell(use_pref?Nullch:SH,cmd_buf))
 228:         fputs("Not saved",stdout);
 229:     else
 230:         printf("%s to %s %s",
 231:           there?"Appended":"Saved",
 232:           mailbox?"mailbox":"file",
 233:           s);
 234:     if (interactive)
 235:         putchar('\n') FLUSH;
 236:     noecho();       /* make terminal do what we want */
 237:     crmode();
 238:     }
 239: s_bomb:
 240:     if (chdir(spool) || chdir(ngdir)) {
 241:     printf(nocd,ngdir) FLUSH;
 242:     sig_catcher(0);
 243:     }
 244:     return SAVE_DONE;
 245: }
 246: 
 247: int
 248: cancel_article()
 249: {
 250:     char *artid_buf;
 251:     char *ngs_buf;
 252:     char *from_buf;
 253:     char *reply_buf;
 254:     int myuid = getuid();
 255:     int r = -1;
 256: 
 257:     if (artopen(art) == Nullfp) {
 258: #ifdef VERBOSE
 259:     IF(verbose)
 260:         fputs("\n\
 261: Cancelling null articles is your idea of fun?  :-)\n\
 262: ",stdout) FLUSH;
 263:     ELSE
 264: #endif
 265: #ifdef TERSE
 266:         fputs(nullart,stdout) FLUSH;
 267: #endif
 268:     return r;
 269:     }
 270:     reply_buf = fetchlines(art,REPLY_LINE);
 271:     from_buf = fetchlines(art,FROM_LINE);
 272:     artid_buf = fetchlines(art,ARTID_LINE);
 273:     ngs_buf = fetchlines(art,NGS_LINE);
 274:     if (!instr(from_buf,sitename) ||
 275:     (!instr(from_buf,logname) &&
 276:      !instr(reply_buf,logname) &&
 277: #ifdef NEWSADMIN
 278:      myuid != newsuid &&
 279: #endif
 280:      myuid != ROOTID ) )
 281: #ifdef VERBOSE
 282:         IF(verbose)
 283:         fputs("You can't cancel someone else's article\n",stdout)
 284:           FLUSH;
 285:         ELSE
 286: #endif
 287: #ifdef TERSE
 288:         fputs("Not your article\n",stdout) FLUSH;
 289: #endif
 290:     else {
 291:     tmpfp = fopen(headname,"w");    /* open header file */
 292:     if (tmpfp == Nullfp) {
 293:         printf(cantcreate,headname) FLUSH;
 294:         goto no_cancel;
 295:     }
 296:     interp(buf, (sizeof buf), getval("CANCELHEADER",CANCELHEADER));
 297:     fputs(buf,tmpfp);
 298:     fclose(tmpfp);
 299:     r = doshell(sh,filexp(getval("CANCEL",CANCEL)));
 300:     }
 301: no_cancel:
 302:     free(artid_buf);
 303:     free(ngs_buf);
 304:     free(from_buf);
 305:     free(reply_buf);
 306:     return r;
 307: }
 308: 
 309: void
 310: reply()
 311: {
 312:     bool incl_body = (*buf == 'R');
 313:     char *maildoer = savestr(filexp(getval("MAILPOSTER",MAILPOSTER)));
 314: 
 315:     artopen(art);
 316:     tmpfp = fopen(headname,"w");    /* open header file */
 317:     if (tmpfp == Nullfp) {
 318:     printf(cantcreate,headname) FLUSH;
 319:     goto no_reply;
 320:     }
 321:     interp(buf, (sizeof buf), getval("MAILHEADER",MAILHEADER));
 322:     fputs(buf,tmpfp);
 323:     if (!instr(maildoer,"%h"))
 324: #ifdef VERBOSE
 325:     IF(verbose)
 326:         printf("\n%s\n(Above lines saved in file %s)\n",buf,headname)
 327:           FLUSH;
 328:     ELSE
 329: #endif
 330: #ifdef TERSE
 331:         printf("\n%s\n(Header in %s)\n",buf,headname) FLUSH;
 332: #endif
 333:     if (incl_body && artfp != Nullfp) {
 334:     interp(buf, (sizeof buf), getval("YOUSAID",YOUSAID));
 335:     fprintf(tmpfp,"%s\n",buf);
 336: #ifdef ASYNC_PARSE
 337:     parse_maybe(art);
 338: #endif
 339:     fseek(artfp,(long)htype[PAST_HEADER].ht_minpos,0);
 340:     while (fgets(buf,LBUFLEN,artfp) != Nullch) {
 341:         fprintf(tmpfp,"%s%s",indstr,buf);
 342:     }
 343:     fprintf(tmpfp,"\n");
 344:     }
 345:     fclose(tmpfp);
 346:     interp(cmd_buf, (sizeof cmd_buf), maildoer);
 347:     invoke(cmd_buf,origdir);
 348:     UNLINK(headname);       /* kill the header file */
 349: no_reply:
 350:     free(maildoer);
 351: }
 352: 
 353: void
 354: followup()
 355: {
 356:     bool incl_body = (*buf == 'F');
 357: 
 358:     artopen(art);
 359:     tmpfp = fopen(headname,"w");
 360:     if (tmpfp == Nullfp) {
 361:     printf(cantcreate,headname) FLUSH;
 362:     return;
 363:     }
 364:     interp(buf, (sizeof buf), getval("NEWSHEADER",NEWSHEADER));
 365:     fprintf(tmpfp,"%s",buf);
 366:     if (incl_body && artfp != Nullfp) {
 367: #ifdef VERBOSE
 368:     if (verbose)
 369:         fputs("\n\
 370: (Be sure to double-check the attribution against the signature, and\n\
 371: trim the quoted article down as much as possible.)\n\
 372: ",stdout) FLUSH;
 373: #endif
 374:     interp(buf, (sizeof buf), getval("ATTRIBUTION",ATTRIBUTION));
 375:     fprintf(tmpfp,"%s\n",buf);
 376: #ifdef ASYNC_PARSE
 377:     parse_maybe(art);
 378: #endif
 379:     fseek(artfp,(long)htype[PAST_HEADER].ht_minpos,0);
 380:     while (fgets(buf,LBUFLEN,artfp) != Nullch) {
 381:         fprintf(tmpfp,"%s%s",indstr,buf);
 382:     }
 383:     fprintf(tmpfp,"\n");
 384:     }
 385:     fclose(tmpfp);
 386:     safecpy(cmd_buf,filexp(getval("NEWSPOSTER",NEWSPOSTER)),sizeof cmd_buf);
 387:     invoke(cmd_buf,origdir);
 388:     UNLINK(headname);
 389: }
 390: 
 391: void
 392: invoke(cmd,dir)
 393: char *cmd,*dir;
 394: {
 395:     if (chdir(dir)) {
 396:     printf(nocd,dir) FLUSH;
 397:     return;
 398:     }
 399: #ifdef VERBOSE
 400:     IF(verbose)
 401:     printf("\n(leaving cbreak mode; cwd=%s)\nInvoking command: %s\n\n",
 402:         dir,cmd) FLUSH;
 403:     ELSE
 404: #endif
 405: #ifdef TERSE
 406:     printf("\n(-cbreak; cwd=%s)\nInvoking: %s\n\n",dir,cmd) FLUSH;
 407: #endif
 408:     resetty();          /* make terminal well-behaved */
 409:     doshell(sh,cmd);        /* do the command */
 410:     noecho();           /* set no echo */
 411:     crmode();           /* and cbreak mode */
 412: #ifdef VERBOSE
 413:     IF(verbose)
 414:     fputs("\n(re-entering cbreak mode)\n",stdout) FLUSH;
 415:     ELSE
 416: #endif
 417: #ifdef TERSE
 418:     fputs("\n(+cbreak)\n",stdout) FLUSH;
 419: #endif
 420:     if (chdir(spool) || chdir(ngdir)) {
 421:     printf(nocd,ngdir) FLUSH;
 422:     sig_catcher(0);
 423:     }
 424: }

Defined functions

Defined variables