[BACK]Return to util.c CVS log [TXT][DIR] Up to [local] / src / usr.bin / ftp

Annotation of src/usr.bin/ftp/util.c, Revision 1.16

1.16    ! deraadt     1: /*     $OpenBSD: util.c,v 1.15 1997/09/15 04:57:54 millert Exp $       */
1.13      millert     2: /*     $NetBSD: util.c,v 1.12 1997/08/18 10:20:27 lukem Exp $  */
1.1       millert     3:
                      4: /*
                      5:  * Copyright (c) 1985, 1989, 1993, 1994
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by the University of
                     19:  *     California, Berkeley and its contributors.
                     20:  * 4. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  */
                     36:
                     37: #ifndef lint
1.16    ! deraadt    38: static char rcsid[] = "$OpenBSD: util.c,v 1.15 1997/09/15 04:57:54 millert Exp $";
1.1       millert    39: #endif /* not lint */
                     40:
                     41: /*
                     42:  * FTP User Program -- Misc support routines
                     43:  */
                     44: #include <sys/ioctl.h>
                     45: #include <sys/time.h>
                     46: #include <arpa/ftp.h>
                     47:
                     48: #include <ctype.h>
                     49: #include <err.h>
1.3       millert    50: #include <errno.h>
1.1       millert    51: #include <fcntl.h>
1.11      millert    52: #include <limits.h>
1.1       millert    53: #include <glob.h>
1.6       millert    54: #include <pwd.h>
1.3       millert    55: #include <signal.h>
1.1       millert    56: #include <stdio.h>
1.2       millert    57: #include <stdlib.h>
1.1       millert    58: #include <string.h>
                     59: #include <time.h>
                     60: #include <unistd.h>
                     61:
                     62: #include "ftp_var.h"
                     63: #include "pathnames.h"
                     64:
                     65: /*
                     66:  * Connect to peer server and
                     67:  * auto-login, if possible.
                     68:  */
                     69: void
                     70: setpeer(argc, argv)
                     71:        int argc;
                     72:        char *argv[];
                     73: {
                     74:        char *host;
1.11      millert    75:        in_port_t port;
1.1       millert    76:
                     77:        if (connected) {
1.7       deraadt    78:                fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2       millert    79:                    hostname);
1.1       millert    80:                code = -1;
                     81:                return;
                     82:        }
                     83:        if (argc < 2)
1.2       millert    84:                (void)another(&argc, &argv, "to");
1.1       millert    85:        if (argc < 2 || argc > 3) {
1.7       deraadt    86:                fprintf(ttyout, "usage: %s host-name [port]\n", argv[0]);
1.1       millert    87:                code = -1;
                     88:                return;
                     89:        }
1.13      millert    90:        if (gatemode)
                     91:                port = gateport;
                     92:        else
                     93:                port = ftpport;
1.1       millert    94:        if (argc > 2) {
1.11      millert    95:                char *ep;
                     96:                long nport;
                     97:
                     98:                nport = strtol(argv[2], &ep, 10);
1.13      millert    99:                if (nport < 1 || nport > USHRT_MAX || *ep != '\0') {
1.11      millert   100:                        fprintf(ttyout, "%s: bad port number '%s'.\n",
                    101:                            argv[1], argv[2]);
                    102:                        fprintf(ttyout, "usage: %s host-name [port]\n",
                    103:                            argv[0]);
1.1       millert   104:                        code = -1;
                    105:                        return;
                    106:                }
1.11      millert   107:                port = htons((in_port_t)nport);
1.1       millert   108:        }
1.13      millert   109:
                    110:        if (gatemode) {
                    111:                if (gateserver == NULL || *gateserver == '\0')
                    112:                        errx(1, "gateserver not defined (shouldn't happen)");
                    113:                host = hookup(gateserver, port);
                    114:        } else
                    115:                host = hookup(argv[1], port);
                    116:
1.1       millert   117:        if (host) {
                    118:                int overbose;
                    119:
1.13      millert   120:                if (gatemode) {
                    121:                        if (command("PASSERVE %s", argv[1]) != COMPLETE)
                    122:                                return;
                    123:                        if (verbose)
                    124:                                fprintf(ttyout,
                    125:                                    "Connected via pass-through server %s\n",
                    126:                                    gateserver);
                    127:                }
                    128:
1.1       millert   129:                connected = 1;
                    130:                /*
                    131:                 * Set up defaults for FTP.
                    132:                 */
1.2       millert   133:                (void)strcpy(typename, "ascii"), type = TYPE_A;
1.1       millert   134:                curtype = TYPE_A;
1.2       millert   135:                (void)strcpy(formname, "non-print"), form = FORM_N;
                    136:                (void)strcpy(modename, "stream"), mode = MODE_S;
                    137:                (void)strcpy(structname, "file"), stru = STRU_F;
                    138:                (void)strcpy(bytename, "8"), bytesize = 8;
1.1       millert   139:                if (autologin)
1.6       millert   140:                        (void)login(argv[1], NULL, NULL);
1.1       millert   141:
1.2       millert   142: #if (defined(unix) || defined(BSD)) && NBBY == 8
                    143: /*
                    144:  * this ifdef is to keep someone form "porting" this to an incompatible
                    145:  * system and not checking this out. This way they have to think about it.
                    146:  */
1.1       millert   147:                overbose = verbose;
                    148:                if (debug == 0)
                    149:                        verbose = -1;
                    150:                if (command("SYST") == COMPLETE && overbose) {
                    151:                        char *cp, c;
                    152:                        c = 0;
1.4       millert   153:                        cp = strchr(reply_string + 4, ' ');
1.1       millert   154:                        if (cp == NULL)
1.4       millert   155:                                cp = strchr(reply_string + 4, '\r');
1.1       millert   156:                        if (cp) {
                    157:                                if (cp[-1] == '.')
                    158:                                        cp--;
                    159:                                c = *cp;
                    160:                                *cp = '\0';
                    161:                        }
                    162:
1.7       deraadt   163:                        fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1       millert   164:                        if (cp)
                    165:                                *cp = c;
                    166:                }
                    167:                if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
                    168:                        if (proxy)
                    169:                                unix_proxy = 1;
                    170:                        else
                    171:                                unix_server = 1;
                    172:                        /*
                    173:                         * Set type to 0 (not specified by user),
                    174:                         * meaning binary by default, but don't bother
                    175:                         * telling server.  We can use binary
                    176:                         * for text files unless changed by the user.
                    177:                         */
                    178:                        type = 0;
1.2       millert   179:                        (void)strcpy(typename, "binary");
1.1       millert   180:                        if (overbose)
1.7       deraadt   181:                                fprintf(ttyout, "Using %s mode to transfer files.\n",
                    182:                                    typename);
1.1       millert   183:                } else {
                    184:                        if (proxy)
                    185:                                unix_proxy = 0;
                    186:                        else
                    187:                                unix_server = 0;
                    188:                        if (overbose &&
                    189:                            !strncmp(reply_string, "215 TOPS20", 10))
1.7       deraadt   190:                                fputs(
                    191: "Remember to set tenex mode when transferring binary files from this machine.\n",
                    192:                                    ttyout);
1.1       millert   193:                }
                    194:                verbose = overbose;
1.2       millert   195: #endif /* unix || BSD */
1.1       millert   196:        }
1.6       millert   197: }
                    198:
                    199: /*
                    200:  * login to remote host, using given username & password if supplied
                    201:  */
                    202: int
                    203: login(host, user, pass)
                    204:        const char *host;
                    205:        char *user, *pass;
                    206: {
                    207:        char tmp[80];
                    208:        char *acct;
                    209:        char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
                    210:        char hostname[MAXHOSTNAMELEN];
1.14      millert   211:        struct passwd *pw;
1.11      millert   212:        int n, aflag = 0, retry = 0;
1.6       millert   213:
                    214:        acct = NULL;
                    215:        if (user == NULL) {
                    216:                if (ruserpass(host, &user, &pass, &acct) < 0) {
                    217:                        code = -1;
                    218:                        return (0);
                    219:                }
                    220:        }
                    221:
                    222:        /*
                    223:         * Set up arguments for an anonymous FTP session, if necessary.
                    224:         */
                    225:        if ((user == NULL || pass == NULL) && anonftp) {
                    226:                memset(anonpass, 0, sizeof(anonpass));
                    227:                memset(hostname, 0, sizeof(hostname));
                    228:
                    229:                /*
                    230:                 * Set up anonymous login password.
                    231:                 */
1.14      millert   232:                if ((user = getlogin()) == NULL) {
                    233:                        if ((pw = getpwuid(getuid())) == NULL)
                    234:                                user = "anonymous";
                    235:                        else
                    236:                                user = pw->pw_name;
                    237:                }
1.6       millert   238:                gethostname(hostname, MAXHOSTNAMELEN);
                    239: #ifndef DONT_CHEAT_ANONPASS
                    240:                /*
                    241:                 * Every anonymous FTP server I've encountered
                    242:                 * will accept the string "username@", and will
                    243:                 * append the hostname itself.  We do this by default
                    244:                 * since many servers are picky about not having
                    245:                 * a FQDN in the anonymous password. - thorpej@netbsd.org
                    246:                 */
                    247:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
                    248:                    user);
                    249: #else
                    250:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
                    251:                    user, hp->h_name);
                    252: #endif
                    253:                pass = anonpass;
1.11      millert   254:                user = "anonymous";     /* as per RFC 1635 */
1.8       jkatz     255:        }
                    256:
                    257: tryagain:
1.9       millert   258:        if (retry)
1.11      millert   259:                user = "ftp";           /* some servers only allow "ftp" */
1.8       jkatz     260:
1.6       millert   261:        while (user == NULL) {
                    262:                char *myname = getlogin();
                    263:
1.14      millert   264:                if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
                    265:                        myname = pw->pw_name;
1.6       millert   266:                if (myname)
1.7       deraadt   267:                        fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6       millert   268:                else
1.7       deraadt   269:                        fprintf(ttyout, "Name (%s): ", host);
1.6       millert   270:                (void)fgets(tmp, sizeof(tmp) - 1, stdin);
                    271:                tmp[strlen(tmp) - 1] = '\0';
                    272:                if (*tmp == '\0')
                    273:                        user = myname;
                    274:                else
                    275:                        user = tmp;
                    276:        }
                    277:        n = command("USER %s", user);
                    278:        if (n == CONTINUE) {
                    279:                if (pass == NULL)
                    280:                        pass = getpass("Password:");
                    281:                n = command("PASS %s", pass);
                    282:        }
                    283:        if (n == CONTINUE) {
                    284:                aflag++;
                    285:                if (acct == NULL)
                    286:                        acct = getpass("Account:");
                    287:                n = command("ACCT %s", acct);
                    288:        }
                    289:        if ((n != COMPLETE) ||
                    290:            (!aflag && acct != NULL && command("ACCT %s", acct) != COMPLETE)) {
                    291:                warnx("Login failed.");
1.9       millert   292:                if (retry || !anonftp)
1.8       jkatz     293:                        return (0);
1.9       millert   294:                else
                    295:                        retry = 1;
1.8       jkatz     296:                goto tryagain;
1.6       millert   297:        }
                    298:        if (proxy)
                    299:                return (1);
                    300:        connected = -1;
                    301:        for (n = 0; n < macnum; ++n) {
                    302:                if (!strcmp("init", macros[n].mac_name)) {
                    303:                        (void)strcpy(line, "$init");
                    304:                        makeargv();
                    305:                        domacro(margc, margv);
                    306:                        break;
                    307:                }
                    308:        }
                    309:        return (1);
1.1       millert   310: }
                    311:
                    312: /*
1.4       millert   313:  * `another' gets another argument, and stores the new argc and argv.
1.1       millert   314:  * It reverts to the top level (via main.c's intr()) on EOF/error.
                    315:  *
                    316:  * Returns false if no new arguments have been added.
                    317:  */
                    318: int
                    319: another(pargc, pargv, prompt)
                    320:        int *pargc;
                    321:        char ***pargv;
                    322:        const char *prompt;
                    323: {
                    324:        int len = strlen(line), ret;
                    325:
                    326:        if (len >= sizeof(line) - 3) {
1.7       deraadt   327:                fputs("sorry, arguments too long.\n", ttyout);
1.1       millert   328:                intr();
                    329:        }
1.7       deraadt   330:        fprintf(ttyout, "(%s) ", prompt);
1.1       millert   331:        line[len++] = ' ';
1.11      millert   332:        if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL)
1.1       millert   333:                intr();
                    334:        len += strlen(&line[len]);
                    335:        if (len > 0 && line[len - 1] == '\n')
                    336:                line[len - 1] = '\0';
                    337:        makeargv();
                    338:        ret = margc > *pargc;
                    339:        *pargc = margc;
                    340:        *pargv = margv;
                    341:        return (ret);
                    342: }
                    343:
1.4       millert   344: /*
                    345:  * glob files given in argv[] from the remote server.
                    346:  * if errbuf isn't NULL, store error messages there instead
                    347:  * of writing to the screen.
                    348:  */
1.1       millert   349: char *
1.4       millert   350: remglob(argv, doswitch, errbuf)
1.1       millert   351:         char *argv[];
                    352:         int doswitch;
1.4       millert   353:        char **errbuf;
1.1       millert   354: {
                    355:         char temp[MAXPATHLEN];
                    356:         static char buf[MAXPATHLEN];
                    357:         static FILE *ftemp = NULL;
                    358:         static char **args;
                    359:         int oldverbose, oldhash, fd;
                    360:         char *cp, *mode;
                    361:
                    362:         if (!mflag) {
1.4       millert   363:                 if (!doglob)
1.1       millert   364:                         args = NULL;
                    365:                 else {
                    366:                         if (ftemp) {
1.2       millert   367:                                 (void)fclose(ftemp);
1.1       millert   368:                                 ftemp = NULL;
                    369:                         }
                    370:                 }
                    371:                 return (NULL);
                    372:         }
                    373:         if (!doglob) {
                    374:                 if (args == NULL)
                    375:                         args = argv;
                    376:                 if ((cp = *++args) == NULL)
                    377:                         args = NULL;
                    378:                 return (cp);
                    379:         }
                    380:         if (ftemp == NULL) {
1.3       millert   381:                int len;
                    382:
                    383:                if ((cp = getenv("TMPDIR")) == NULL)
                    384:                    cp = _PATH_TMP;
                    385:                len = strlen(cp);
                    386:                if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
                    387:                        warnx("unable to create temporary file: %s",
                    388:                            strerror(ENAMETOOLONG));
                    389:                        return (NULL);
                    390:                }
                    391:
                    392:                (void)strcpy(temp, cp);
                    393:                if (temp[len-1] != '/')
                    394:                        temp[len++] = '/';
                    395:                (void)strcpy(&temp[len], TMPFILE);
                    396:                 if ((fd = mkstemp(temp)) < 0) {
1.1       millert   397:                         warn("unable to create temporary file %s", temp);
                    398:                         return (NULL);
                    399:                 }
                    400:                 close(fd);
1.4       millert   401:                oldverbose = verbose;
                    402:                verbose = (errbuf != NULL) ? -1 : 0;
                    403:                oldhash = hash;
                    404:                hash = 0;
                    405:                 if (doswitch)
1.1       millert   406:                         pswitch(!proxy);
                    407:                 for (mode = "w"; *++argv != NULL; mode = "a")
1.13      millert   408:                         recvrequest("NLST", temp, *argv, mode, 0, 0);
1.4       millert   409:                if ((code / 100) != COMPLETE) {
                    410:                        if (errbuf != NULL)
                    411:                                *errbuf = reply_string;
                    412:                }
                    413:                if (doswitch)
                    414:                        pswitch(!proxy);
                    415:                 verbose = oldverbose;
                    416:                hash = oldhash;
1.1       millert   417:                 ftemp = fopen(temp, "r");
1.2       millert   418:                 (void)unlink(temp);
1.1       millert   419:                 if (ftemp == NULL) {
1.4       millert   420:                        if (errbuf == NULL)
1.7       deraadt   421:                                fputs("can't find list of remote files, oops.\n",
                    422:                                    ttyout);
1.4       millert   423:                        else
                    424:                                *errbuf =
                    425:                                    "can't find list of remote files, oops.";
1.1       millert   426:                         return (NULL);
                    427:                 }
                    428:         }
1.2       millert   429:         if (fgets(buf, sizeof(buf), ftemp) == NULL) {
1.4       millert   430:                 (void)fclose(ftemp);
                    431:                ftemp = NULL;
1.1       millert   432:                 return (NULL);
                    433:         }
                    434:         if ((cp = strchr(buf, '\n')) != NULL)
                    435:                 *cp = '\0';
                    436:         return (buf);
                    437: }
                    438:
                    439: int
                    440: confirm(cmd, file)
                    441:        const char *cmd, *file;
                    442: {
                    443:        char line[BUFSIZ];
                    444:
                    445:        if (!interactive || confirmrest)
                    446:                return (1);
1.16    ! deraadt   447: top:
1.7       deraadt   448:        fprintf(ttyout, "%s %s? ", cmd, file);
                    449:        (void)fflush(ttyout);
1.1       millert   450:        if (fgets(line, sizeof(line), stdin) == NULL)
                    451:                return (0);
                    452:        switch (tolower(*line)) {
                    453:                case 'n':
                    454:                        return (0);
                    455:                case 'p':
                    456:                        interactive = 0;
1.7       deraadt   457:                        fputs("Interactive mode: off.\n", ttyout);
1.1       millert   458:                        break;
                    459:                case 'a':
                    460:                        confirmrest = 1;
1.7       deraadt   461:                        fprintf(ttyout, "Prompting off for duration of %s.\n", cmd);
1.12      jkatz     462:                        break;
                    463:                case 'y':
                    464:                        return(1);
                    465:                        break;
                    466:                default:
                    467:                        fprintf(ttyout, "n, y, p, a, are the only acceptable commands!\n");
1.16    ! deraadt   468:                        goto top;
1.1       millert   469:                        break;
                    470:        }
                    471:        return (1);
                    472: }
                    473:
                    474: /*
                    475:  * Glob a local file name specification with
                    476:  * the expectation of a single return value.
                    477:  * Can't control multiple values being expanded
                    478:  * from the expression, we return only the first.
                    479:  */
                    480: int
                    481: globulize(cpp)
                    482:        char **cpp;
                    483: {
                    484:        glob_t gl;
                    485:        int flags;
                    486:
                    487:        if (!doglob)
                    488:                return (1);
                    489:
                    490:        flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
                    491:        memset(&gl, 0, sizeof(gl));
                    492:        if (glob(*cpp, flags, NULL, &gl) ||
                    493:            gl.gl_pathc == 0) {
                    494:                warnx("%s: not found", *cpp);
                    495:                globfree(&gl);
                    496:                return (0);
                    497:        }
1.13      millert   498:                /* XXX: caller should check if *cpp changed, and
                    499:                 *      free(*cpp) if that is the case
                    500:                 */
                    501:        *cpp = strdup(gl.gl_pathv[0]);
1.1       millert   502:        globfree(&gl);
                    503:        return (1);
                    504: }
                    505:
                    506: /*
                    507:  * determine size of remote file
                    508:  */
                    509: off_t
                    510: remotesize(file, noisy)
                    511:        const char *file;
                    512:        int noisy;
                    513: {
                    514:        int overbose;
                    515:        off_t size;
                    516:
                    517:        overbose = verbose;
                    518:        size = -1;
                    519:        if (debug == 0)
                    520:                verbose = -1;
1.11      millert   521:        if (command("SIZE %s", file) == COMPLETE) {
                    522:                char *cp, *ep;
                    523:
                    524:                cp = strchr(reply_string, ' ');
                    525:                if (cp != NULL) {
                    526:                        cp++;
                    527:                        size = strtoq(cp, &ep, 10);
                    528:                        if (*ep != '\0' && !isspace(*ep))
                    529:                                size = -1;
                    530:                }
                    531:        } else if (noisy && debug == 0) {
1.7       deraadt   532:                fputs(reply_string, ttyout);
1.11      millert   533:                fputc('\n', ttyout);
1.7       deraadt   534:        }
1.1       millert   535:        verbose = overbose;
                    536:        return (size);
                    537: }
                    538:
                    539: /*
                    540:  * determine last modification time (in GMT) of remote file
                    541:  */
                    542: time_t
                    543: remotemodtime(file, noisy)
                    544:        const char *file;
                    545:        int noisy;
                    546: {
                    547:        int overbose;
                    548:        time_t rtime;
1.15      millert   549:        int ocode;
1.1       millert   550:
                    551:        overbose = verbose;
1.15      millert   552:        ocode = code;
1.1       millert   553:        rtime = -1;
                    554:        if (debug == 0)
                    555:                verbose = -1;
                    556:        if (command("MDTM %s", file) == COMPLETE) {
                    557:                struct tm timebuf;
                    558:                int yy, mo, day, hour, min, sec;
                    559:                sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
                    560:                        &day, &hour, &min, &sec);
                    561:                memset(&timebuf, 0, sizeof(timebuf));
                    562:                timebuf.tm_sec = sec;
                    563:                timebuf.tm_min = min;
                    564:                timebuf.tm_hour = hour;
                    565:                timebuf.tm_mday = day;
                    566:                timebuf.tm_mon = mo - 1;
                    567:                timebuf.tm_year = yy - 1900;
                    568:                timebuf.tm_isdst = -1;
                    569:                rtime = mktime(&timebuf);
                    570:                if (rtime == -1 && (noisy || debug != 0))
1.7       deraadt   571:                        fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1       millert   572:                else
                    573:                        rtime += timebuf.tm_gmtoff;     /* conv. local -> GMT */
1.7       deraadt   574:        } else if (noisy && debug == 0) {
                    575:                fputs(reply_string, ttyout);
1.11      millert   576:                fputc('\n', ttyout);
1.7       deraadt   577:        }
1.1       millert   578:        verbose = overbose;
1.15      millert   579:        if (rtime == -1)
                    580:                code = ocode;
1.1       millert   581:        return (rtime);
                    582: }
                    583:
1.10      millert   584: /*
                    585:  * Returns true if this is the controlling/foreground process, else false.
                    586:  */
                    587: int
                    588: foregroundproc()
                    589: {
                    590:        static pid_t pgrp = -1;
                    591:        int ctty_pgrp;
                    592:
                    593:        if (pgrp == -1)
                    594:                pgrp = getpgrp();
                    595:
                    596:        return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
                    597:            ctty_pgrp == pgrp));
                    598: }
                    599:
1.11      millert   600: void updateprogressmeter __P((int));
                    601:
1.1       millert   602: void
1.11      millert   603: updateprogressmeter(dummy)
                    604:        int dummy;
1.1       millert   605: {
                    606:
1.10      millert   607:        if (foregroundproc())
                    608:                progressmeter(0);
1.1       millert   609: }
                    610:
                    611: /*
                    612:  * Display a transfer progress bar if progress is non-zero.
                    613:  * SIGALRM is hijacked for use by this function.
                    614:  * - Before the transfer, set filesize to size of file (or -1 if unknown),
                    615:  *   and call with flag = -1. This starts the once per second timer,
                    616:  *   and a call to updateprogressmeter() upon SIGALRM.
                    617:  * - During the transfer, updateprogressmeter will call progressmeter
                    618:  *   with flag = 0
                    619:  * - After the transfer, call with flag = 1
                    620:  */
                    621: static struct timeval start;
                    622:
                    623: void
                    624: progressmeter(flag)
                    625:        int flag;
                    626: {
                    627:        /*
                    628:         * List of order of magnitude prefixes.
                    629:         * The last is `P', as 2^64 = 16384 Petabytes
                    630:         */
                    631:        static const char prefixes[] = " KMGTP";
                    632:
                    633:        static struct timeval lastupdate;
                    634:        static off_t lastsize;
                    635:        struct timeval now, td, wait;
                    636:        off_t cursize, abbrevsize;
                    637:        double elapsed;
                    638:        int ratio, barlength, i, remaining;
                    639:        char buf[256];
                    640:
                    641:        if (flag == -1) {
1.2       millert   642:                (void)gettimeofday(&start, (struct timezone *)0);
1.1       millert   643:                lastupdate = start;
                    644:                lastsize = restart_point;
                    645:        }
1.2       millert   646:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   647:        if (!progress || filesize <= 0)
                    648:                return;
                    649:        cursize = bytes + restart_point;
                    650:
                    651:        ratio = cursize * 100 / filesize;
                    652:        ratio = MAX(ratio, 0);
                    653:        ratio = MIN(ratio, 100);
                    654:        snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
                    655:
                    656:        barlength = ttywidth - 30;
                    657:        if (barlength > 0) {
                    658:                i = barlength * ratio / 100;
                    659:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    660:                    "|%.*s%*s|", i,
                    661: "*****************************************************************************"
                    662: "*****************************************************************************",
                    663:                    barlength - i, "");
                    664:        }
                    665:
                    666:        i = 0;
                    667:        abbrevsize = cursize;
                    668:        while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
                    669:                i++;
                    670:                abbrevsize >>= 10;
                    671:        }
                    672:        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.11      millert   673:            " %5qd %c%c ", (quad_t)abbrevsize, prefixes[i],
1.1       millert   674:            prefixes[i] == ' ' ? ' ' : 'B');
                    675:
                    676:        timersub(&now, &lastupdate, &wait);
                    677:        if (cursize > lastsize) {
                    678:                lastupdate = now;
                    679:                lastsize = cursize;
                    680:                if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
                    681:                        start.tv_sec += wait.tv_sec;
                    682:                        start.tv_usec += wait.tv_usec;
                    683:                }
                    684:                wait.tv_sec = 0;
                    685:        }
                    686:
                    687:        timersub(&now, &start, &td);
                    688:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    689:
1.11      millert   690:        if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1       millert   691:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    692:                    "   --:-- ETA");
                    693:        } else if (wait.tv_sec >= STALLTIME) {
                    694:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    695:                    " - stalled -");
                    696:        } else {
                    697:                remaining = (int)((filesize - restart_point) /
                    698:                                  (bytes / elapsed) - elapsed);
                    699:                i = remaining / 3600;
                    700:                if (i)
                    701:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    702:                            "%2d:", i);
                    703:                else
                    704:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    705:                            "   ");
                    706:                i = remaining % 3600;
                    707:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    708:                    "%02d:%02d ETA", i / 60, i % 60);
                    709:        }
1.7       deraadt   710:        (void)write(fileno(ttyout), buf, strlen(buf));
1.1       millert   711:
                    712:        if (flag == -1) {
1.2       millert   713:                (void)signal(SIGALRM, updateprogressmeter);
1.1       millert   714:                alarmtimer(1);          /* set alarm timer for 1 Hz */
                    715:        } else if (flag == 1) {
                    716:                alarmtimer(0);
1.7       deraadt   717:                (void)putc('\n', ttyout);
1.1       millert   718:        }
1.7       deraadt   719:        fflush(ttyout);
1.1       millert   720: }
                    721:
                    722: /*
                    723:  * Display transfer statistics.
                    724:  * Requires start to be initialised by progressmeter(-1),
                    725:  * direction to be defined by xfer routines, and filesize and bytes
                    726:  * to be updated by xfer routines
                    727:  * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7       deraadt   728:  * instead of TTYOUT.
1.1       millert   729:  */
                    730: void
                    731: ptransfer(siginfo)
                    732:        int siginfo;
                    733: {
                    734:        struct timeval now, td;
                    735:        double elapsed;
                    736:        off_t bs;
                    737:        int meg, remaining, hh;
                    738:        char buf[100];
                    739:
                    740:        if (!verbose && !siginfo)
                    741:                return;
                    742:
1.2       millert   743:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   744:        timersub(&now, &start, &td);
                    745:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    746:        bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
                    747:        meg = 0;
                    748:        if (bs > (1024 * 1024))
                    749:                meg = 1;
                    750:        (void)snprintf(buf, sizeof(buf),
                    751:            "%qd byte%s %s in %.2f seconds (%.2f %sB/s)\n",
1.11      millert   752:            (quad_t)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1       millert   753:            bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.11      millert   754:        if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
                    755:            && bytes + restart_point <= filesize) {
1.1       millert   756:                remaining = (int)((filesize - restart_point) /
                    757:                                  (bytes / elapsed) - elapsed);
                    758:                hh = remaining / 3600;
                    759:                remaining %= 3600;
1.11      millert   760:                        /* "buf+len(buf) -1" to overwrite \n */
1.1       millert   761:                snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
                    762:                    "  ETA: %02d:%02d:%02d\n", hh, remaining / 60,
                    763:                    remaining % 60);
                    764:        }
1.7       deraadt   765:        (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1       millert   766: }
                    767:
                    768: /*
                    769:  * List words in stringlist, vertically arranged
                    770:  */
                    771: void
                    772: list_vertical(sl)
                    773:        StringList *sl;
                    774: {
                    775:        int i, j, w;
                    776:        int columns, width, lines, items;
                    777:        char *p;
                    778:
                    779:        width = items = 0;
                    780:
                    781:        for (i = 0 ; i < sl->sl_cur ; i++) {
                    782:                w = strlen(sl->sl_str[i]);
                    783:                if (w > width)
                    784:                        width = w;
                    785:        }
                    786:        width = (width + 8) &~ 7;
                    787:
                    788:        columns = ttywidth / width;
                    789:        if (columns == 0)
                    790:                columns = 1;
                    791:        lines = (sl->sl_cur + columns - 1) / columns;
                    792:        for (i = 0; i < lines; i++) {
                    793:                for (j = 0; j < columns; j++) {
                    794:                        p = sl->sl_str[j * lines + i];
                    795:                        if (p)
1.7       deraadt   796:                                fputs(p, ttyout);
1.1       millert   797:                        if (j * lines + i + lines >= sl->sl_cur) {
1.7       deraadt   798:                                putc('\n', ttyout);
1.1       millert   799:                                break;
                    800:                        }
                    801:                        w = strlen(p);
                    802:                        while (w < width) {
                    803:                                w = (w + 8) &~ 7;
1.7       deraadt   804:                                (void)putc('\t', ttyout);
1.1       millert   805:                        }
                    806:                }
                    807:        }
                    808: }
                    809:
                    810: /*
                    811:  * Update the global ttywidth value, using TIOCGWINSZ.
                    812:  */
                    813: void
                    814: setttywidth(a)
                    815:        int a;
                    816: {
                    817:        struct winsize winsize;
                    818:
1.7       deraadt   819:        if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.1       millert   820:                ttywidth = winsize.ws_col;
                    821:        else
                    822:                ttywidth = 80;
                    823: }
                    824:
                    825: /*
                    826:  * Set the SIGALRM interval timer for wait seconds, 0 to disable.
                    827:  */
                    828: void
                    829: alarmtimer(wait)
                    830:        int wait;
                    831: {
                    832:        struct itimerval itv;
                    833:
                    834:        itv.it_value.tv_sec = wait;
                    835:        itv.it_value.tv_usec = 0;
                    836:        itv.it_interval = itv.it_value;
                    837:        setitimer(ITIMER_REAL, &itv, NULL);
                    838: }
1.5       millert   839:
                    840: /*
                    841:  * Setup or cleanup EditLine structures
                    842:  */
                    843: #ifndef SMALL
                    844: void
                    845: controlediting()
                    846: {
                    847:        if (editing && el == NULL && hist == NULL) {
1.7       deraadt   848:                el = el_init(__progname, stdin, ttyout); /* init editline */
1.5       millert   849:                hist = history_init();          /* init the builtin history */
                    850:                history(hist, H_EVENT, 100);    /* remember 100 events */
                    851:                el_set(el, EL_HIST, history, hist);     /* use history */
                    852:
                    853:                el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
                    854:                el_set(el, EL_PROMPT, prompt);  /* set the prompt function */
                    855:
                    856:                /* add local file completion, bind to TAB */
                    857:                el_set(el, EL_ADDFN, "ftp-complete",
                    858:                    "Context sensitive argument completion",
                    859:                    complete);
                    860:                el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
                    861:
                    862:                el_source(el, NULL);    /* read ~/.editrc */
                    863:                el_set(el, EL_SIGNAL, 1);
                    864:        } else if (!editing) {
                    865:                if (hist) {
                    866:                        history_end(hist);
                    867:                        hist = NULL;
                    868:                }
                    869:                if (el) {
                    870:                        el_end(el);
                    871:                        el = NULL;
                    872:                }
                    873:        }
                    874: }
                    875: #endif /* !SMALL */