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Annotation of src/usr.bin/ftp/util.c, Revision 1.11

1.11    ! millert     1: /*     $OpenBSD: util.c,v 1.10 1997/06/10 19:39:54 millert Exp $       */
        !             2: /*     $NetBSD: util.c,v 1.11 1997/07/21 14:03:49 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
1.11    ! millert    38: static char rcsid[] = "$OpenBSD: util.c,v 1.10 1997/06/10 19:39:54 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:        }
                     90:        port = ftpport;
                     91:        if (argc > 2) {
1.11    ! millert    92:                char *ep;
        !            93:                long nport;
        !            94:
        !            95:                nport = strtol(argv[2], &ep, 10);
        !            96:                if (nport < 1 || nport > 0xffff || *ep != '\0') {
        !            97:                        fprintf(ttyout, "%s: bad port number '%s'.\n",
        !            98:                            argv[1], argv[2]);
        !            99:                        fprintf(ttyout, "usage: %s host-name [port]\n",
        !           100:                            argv[0]);
1.1       millert   101:                        code = -1;
                    102:                        return;
                    103:                }
1.11    ! millert   104:                port = htons((in_port_t)nport);
1.1       millert   105:        }
                    106:        host = hookup(argv[1], port);
                    107:        if (host) {
                    108:                int overbose;
                    109:
                    110:                connected = 1;
                    111:                /*
                    112:                 * Set up defaults for FTP.
                    113:                 */
1.2       millert   114:                (void)strcpy(typename, "ascii"), type = TYPE_A;
1.1       millert   115:                curtype = TYPE_A;
1.2       millert   116:                (void)strcpy(formname, "non-print"), form = FORM_N;
                    117:                (void)strcpy(modename, "stream"), mode = MODE_S;
                    118:                (void)strcpy(structname, "file"), stru = STRU_F;
                    119:                (void)strcpy(bytename, "8"), bytesize = 8;
1.1       millert   120:                if (autologin)
1.6       millert   121:                        (void)login(argv[1], NULL, NULL);
1.1       millert   122:
1.2       millert   123: #if (defined(unix) || defined(BSD)) && NBBY == 8
                    124: /*
                    125:  * this ifdef is to keep someone form "porting" this to an incompatible
                    126:  * system and not checking this out. This way they have to think about it.
                    127:  */
1.1       millert   128:                overbose = verbose;
                    129:                if (debug == 0)
                    130:                        verbose = -1;
                    131:                if (command("SYST") == COMPLETE && overbose) {
                    132:                        char *cp, c;
                    133:                        c = 0;
1.4       millert   134:                        cp = strchr(reply_string + 4, ' ');
1.1       millert   135:                        if (cp == NULL)
1.4       millert   136:                                cp = strchr(reply_string + 4, '\r');
1.1       millert   137:                        if (cp) {
                    138:                                if (cp[-1] == '.')
                    139:                                        cp--;
                    140:                                c = *cp;
                    141:                                *cp = '\0';
                    142:                        }
                    143:
1.7       deraadt   144:                        fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1       millert   145:                        if (cp)
                    146:                                *cp = c;
                    147:                }
                    148:                if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
                    149:                        if (proxy)
                    150:                                unix_proxy = 1;
                    151:                        else
                    152:                                unix_server = 1;
                    153:                        /*
                    154:                         * Set type to 0 (not specified by user),
                    155:                         * meaning binary by default, but don't bother
                    156:                         * telling server.  We can use binary
                    157:                         * for text files unless changed by the user.
                    158:                         */
                    159:                        type = 0;
1.2       millert   160:                        (void)strcpy(typename, "binary");
1.1       millert   161:                        if (overbose)
1.7       deraadt   162:                                fprintf(ttyout, "Using %s mode to transfer files.\n",
                    163:                                    typename);
1.1       millert   164:                } else {
                    165:                        if (proxy)
                    166:                                unix_proxy = 0;
                    167:                        else
                    168:                                unix_server = 0;
                    169:                        if (overbose &&
                    170:                            !strncmp(reply_string, "215 TOPS20", 10))
1.7       deraadt   171:                                fputs(
                    172: "Remember to set tenex mode when transferring binary files from this machine.\n",
                    173:                                    ttyout);
1.1       millert   174:                }
                    175:                verbose = overbose;
1.2       millert   176: #endif /* unix || BSD */
1.1       millert   177:        }
1.6       millert   178: }
                    179:
                    180: /*
                    181:  * login to remote host, using given username & password if supplied
                    182:  */
                    183: int
                    184: login(host, user, pass)
                    185:        const char *host;
                    186:        char *user, *pass;
                    187: {
                    188:        char tmp[80];
                    189:        char *acct;
                    190:        char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
                    191:        char hostname[MAXHOSTNAMELEN];
1.11    ! millert   192:        int n, aflag = 0, retry = 0;
1.6       millert   193:
                    194:        acct = NULL;
                    195:        if (user == NULL) {
                    196:                if (ruserpass(host, &user, &pass, &acct) < 0) {
                    197:                        code = -1;
                    198:                        return (0);
                    199:                }
                    200:        }
                    201:
                    202:        /*
                    203:         * Set up arguments for an anonymous FTP session, if necessary.
                    204:         */
                    205:        if ((user == NULL || pass == NULL) && anonftp) {
                    206:                memset(anonpass, 0, sizeof(anonpass));
                    207:                memset(hostname, 0, sizeof(hostname));
                    208:
                    209:                /*
                    210:                 * Set up anonymous login password.
                    211:                 */
                    212:                user = getlogin();
                    213:                gethostname(hostname, MAXHOSTNAMELEN);
                    214: #ifndef DONT_CHEAT_ANONPASS
                    215:                /*
                    216:                 * Every anonymous FTP server I've encountered
                    217:                 * will accept the string "username@", and will
                    218:                 * append the hostname itself.  We do this by default
                    219:                 * since many servers are picky about not having
                    220:                 * a FQDN in the anonymous password. - thorpej@netbsd.org
                    221:                 */
                    222:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
                    223:                    user);
                    224: #else
                    225:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
                    226:                    user, hp->h_name);
                    227: #endif
                    228:                pass = anonpass;
1.11    ! millert   229:                user = "anonymous";     /* as per RFC 1635 */
1.8       jkatz     230:        }
                    231:
                    232: tryagain:
1.9       millert   233:        if (retry)
1.11    ! millert   234:                user = "ftp";           /* some servers only allow "ftp" */
1.8       jkatz     235:
1.6       millert   236:        while (user == NULL) {
                    237:                char *myname = getlogin();
                    238:
                    239:                if (myname == NULL) {
                    240:                        struct passwd *pp = getpwuid(getuid());
                    241:
                    242:                        if (pp != NULL)
                    243:                                myname = pp->pw_name;
                    244:                }
                    245:                if (myname)
1.7       deraadt   246:                        fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6       millert   247:                else
1.7       deraadt   248:                        fprintf(ttyout, "Name (%s): ", host);
1.6       millert   249:                (void)fgets(tmp, sizeof(tmp) - 1, stdin);
                    250:                tmp[strlen(tmp) - 1] = '\0';
                    251:                if (*tmp == '\0')
                    252:                        user = myname;
                    253:                else
                    254:                        user = tmp;
                    255:        }
                    256:        n = command("USER %s", user);
                    257:        if (n == CONTINUE) {
                    258:                if (pass == NULL)
                    259:                        pass = getpass("Password:");
                    260:                n = command("PASS %s", pass);
                    261:        }
                    262:        if (n == CONTINUE) {
                    263:                aflag++;
                    264:                if (acct == NULL)
                    265:                        acct = getpass("Account:");
                    266:                n = command("ACCT %s", acct);
                    267:        }
                    268:        if ((n != COMPLETE) ||
                    269:            (!aflag && acct != NULL && command("ACCT %s", acct) != COMPLETE)) {
                    270:                warnx("Login failed.");
1.9       millert   271:                if (retry || !anonftp)
1.8       jkatz     272:                        return (0);
1.9       millert   273:                else
                    274:                        retry = 1;
1.8       jkatz     275:                goto tryagain;
1.6       millert   276:        }
                    277:        if (proxy)
                    278:                return (1);
                    279:        connected = -1;
                    280:        for (n = 0; n < macnum; ++n) {
                    281:                if (!strcmp("init", macros[n].mac_name)) {
                    282:                        (void)strcpy(line, "$init");
                    283:                        makeargv();
                    284:                        domacro(margc, margv);
                    285:                        break;
                    286:                }
                    287:        }
                    288:        return (1);
1.1       millert   289: }
                    290:
                    291: /*
1.4       millert   292:  * `another' gets another argument, and stores the new argc and argv.
1.1       millert   293:  * It reverts to the top level (via main.c's intr()) on EOF/error.
                    294:  *
                    295:  * Returns false if no new arguments have been added.
                    296:  */
                    297: int
                    298: another(pargc, pargv, prompt)
                    299:        int *pargc;
                    300:        char ***pargv;
                    301:        const char *prompt;
                    302: {
                    303:        int len = strlen(line), ret;
                    304:
                    305:        if (len >= sizeof(line) - 3) {
1.7       deraadt   306:                fputs("sorry, arguments too long.\n", ttyout);
1.1       millert   307:                intr();
                    308:        }
1.7       deraadt   309:        fprintf(ttyout, "(%s) ", prompt);
1.1       millert   310:        line[len++] = ' ';
1.11    ! millert   311:        if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL)
1.1       millert   312:                intr();
                    313:        len += strlen(&line[len]);
                    314:        if (len > 0 && line[len - 1] == '\n')
                    315:                line[len - 1] = '\0';
                    316:        makeargv();
                    317:        ret = margc > *pargc;
                    318:        *pargc = margc;
                    319:        *pargv = margv;
                    320:        return (ret);
                    321: }
                    322:
1.4       millert   323: /*
                    324:  * glob files given in argv[] from the remote server.
                    325:  * if errbuf isn't NULL, store error messages there instead
                    326:  * of writing to the screen.
                    327:  */
1.1       millert   328: char *
1.4       millert   329: remglob(argv, doswitch, errbuf)
1.1       millert   330:         char *argv[];
                    331:         int doswitch;
1.4       millert   332:        char **errbuf;
1.1       millert   333: {
                    334:         char temp[MAXPATHLEN];
                    335:         static char buf[MAXPATHLEN];
                    336:         static FILE *ftemp = NULL;
                    337:         static char **args;
                    338:         int oldverbose, oldhash, fd;
                    339:         char *cp, *mode;
                    340:
                    341:         if (!mflag) {
1.4       millert   342:                 if (!doglob)
1.1       millert   343:                         args = NULL;
                    344:                 else {
                    345:                         if (ftemp) {
1.2       millert   346:                                 (void)fclose(ftemp);
1.1       millert   347:                                 ftemp = NULL;
                    348:                         }
                    349:                 }
                    350:                 return (NULL);
                    351:         }
                    352:         if (!doglob) {
                    353:                 if (args == NULL)
                    354:                         args = argv;
                    355:                 if ((cp = *++args) == NULL)
                    356:                         args = NULL;
                    357:                 return (cp);
                    358:         }
                    359:         if (ftemp == NULL) {
1.3       millert   360:                int len;
                    361:
                    362:                if ((cp = getenv("TMPDIR")) == NULL)
                    363:                    cp = _PATH_TMP;
                    364:                len = strlen(cp);
                    365:                if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
                    366:                        warnx("unable to create temporary file: %s",
                    367:                            strerror(ENAMETOOLONG));
                    368:                        return (NULL);
                    369:                }
                    370:
                    371:                (void)strcpy(temp, cp);
                    372:                if (temp[len-1] != '/')
                    373:                        temp[len++] = '/';
                    374:                (void)strcpy(&temp[len], TMPFILE);
                    375:                 if ((fd = mkstemp(temp)) < 0) {
1.1       millert   376:                         warn("unable to create temporary file %s", temp);
                    377:                         return (NULL);
                    378:                 }
                    379:                 close(fd);
1.4       millert   380:                oldverbose = verbose;
                    381:                verbose = (errbuf != NULL) ? -1 : 0;
                    382:                oldhash = hash;
                    383:                hash = 0;
                    384:                 if (doswitch)
1.1       millert   385:                         pswitch(!proxy);
                    386:                 for (mode = "w"; *++argv != NULL; mode = "a")
1.4       millert   387:                         recvrequest("NLST", temp, *argv, mode, 0);
                    388:                if ((code / 100) != COMPLETE) {
                    389:                        if (errbuf != NULL)
                    390:                                *errbuf = reply_string;
                    391:                }
                    392:                if (doswitch)
                    393:                        pswitch(!proxy);
                    394:                 verbose = oldverbose;
                    395:                hash = oldhash;
1.1       millert   396:                 ftemp = fopen(temp, "r");
1.2       millert   397:                 (void)unlink(temp);
1.1       millert   398:                 if (ftemp == NULL) {
1.4       millert   399:                        if (errbuf == NULL)
1.7       deraadt   400:                                fputs("can't find list of remote files, oops.\n",
                    401:                                    ttyout);
1.4       millert   402:                        else
                    403:                                *errbuf =
                    404:                                    "can't find list of remote files, oops.";
1.1       millert   405:                         return (NULL);
                    406:                 }
                    407:         }
1.2       millert   408:         if (fgets(buf, sizeof(buf), ftemp) == NULL) {
1.4       millert   409:                 (void)fclose(ftemp);
                    410:                ftemp = NULL;
1.1       millert   411:                 return (NULL);
                    412:         }
                    413:         if ((cp = strchr(buf, '\n')) != NULL)
                    414:                 *cp = '\0';
                    415:         return (buf);
                    416: }
                    417:
                    418: int
                    419: confirm(cmd, file)
                    420:        const char *cmd, *file;
                    421: {
                    422:        char line[BUFSIZ];
                    423:
                    424:        if (!interactive || confirmrest)
                    425:                return (1);
1.7       deraadt   426:        fprintf(ttyout, "%s %s? ", cmd, file);
                    427:        (void)fflush(ttyout);
1.1       millert   428:        if (fgets(line, sizeof(line), stdin) == NULL)
                    429:                return (0);
                    430:        switch (tolower(*line)) {
                    431:                case 'n':
                    432:                        return (0);
                    433:                case 'p':
                    434:                        interactive = 0;
1.7       deraadt   435:                        fputs("Interactive mode: off.\n", ttyout);
1.1       millert   436:                        break;
                    437:                case 'a':
                    438:                        confirmrest = 1;
1.7       deraadt   439:                        fprintf(ttyout, "Prompting off for duration of %s.\n", cmd);
1.1       millert   440:                        break;
                    441:        }
                    442:        return (1);
                    443: }
                    444:
                    445: /*
                    446:  * Glob a local file name specification with
                    447:  * the expectation of a single return value.
                    448:  * Can't control multiple values being expanded
                    449:  * from the expression, we return only the first.
                    450:  */
                    451: int
                    452: globulize(cpp)
                    453:        char **cpp;
                    454: {
                    455:        glob_t gl;
                    456:        int flags;
                    457:
                    458:        if (!doglob)
                    459:                return (1);
                    460:
                    461:        flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
                    462:        memset(&gl, 0, sizeof(gl));
                    463:        if (glob(*cpp, flags, NULL, &gl) ||
                    464:            gl.gl_pathc == 0) {
                    465:                warnx("%s: not found", *cpp);
                    466:                globfree(&gl);
                    467:                return (0);
                    468:        }
                    469:        *cpp = strdup(gl.gl_pathv[0]);  /* XXX - wasted memory */
                    470:        globfree(&gl);
                    471:        return (1);
                    472: }
                    473:
                    474: /*
                    475:  * determine size of remote file
                    476:  */
                    477: off_t
                    478: remotesize(file, noisy)
                    479:        const char *file;
                    480:        int noisy;
                    481: {
                    482:        int overbose;
                    483:        off_t size;
                    484:
                    485:        overbose = verbose;
                    486:        size = -1;
                    487:        if (debug == 0)
                    488:                verbose = -1;
1.11    ! millert   489:        if (command("SIZE %s", file) == COMPLETE) {
        !           490:                char *cp, *ep;
        !           491:
        !           492:                cp = strchr(reply_string, ' ');
        !           493:                if (cp != NULL) {
        !           494:                        cp++;
        !           495:                        size = strtoq(cp, &ep, 10);
        !           496:                        if (*ep != '\0' && !isspace(*ep))
        !           497:                                size = -1;
        !           498:                }
        !           499:        } else if (noisy && debug == 0) {
1.7       deraadt   500:                fputs(reply_string, ttyout);
1.11    ! millert   501:                fputc('\n', ttyout);
1.7       deraadt   502:        }
1.1       millert   503:        verbose = overbose;
                    504:        return (size);
                    505: }
                    506:
                    507: /*
                    508:  * determine last modification time (in GMT) of remote file
                    509:  */
                    510: time_t
                    511: remotemodtime(file, noisy)
                    512:        const char *file;
                    513:        int noisy;
                    514: {
                    515:        int overbose;
                    516:        time_t rtime;
                    517:
                    518:        overbose = verbose;
                    519:        rtime = -1;
                    520:        if (debug == 0)
                    521:                verbose = -1;
                    522:        if (command("MDTM %s", file) == COMPLETE) {
                    523:                struct tm timebuf;
                    524:                int yy, mo, day, hour, min, sec;
                    525:                sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
                    526:                        &day, &hour, &min, &sec);
                    527:                memset(&timebuf, 0, sizeof(timebuf));
                    528:                timebuf.tm_sec = sec;
                    529:                timebuf.tm_min = min;
                    530:                timebuf.tm_hour = hour;
                    531:                timebuf.tm_mday = day;
                    532:                timebuf.tm_mon = mo - 1;
                    533:                timebuf.tm_year = yy - 1900;
                    534:                timebuf.tm_isdst = -1;
                    535:                rtime = mktime(&timebuf);
                    536:                if (rtime == -1 && (noisy || debug != 0))
1.7       deraadt   537:                        fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1       millert   538:                else
                    539:                        rtime += timebuf.tm_gmtoff;     /* conv. local -> GMT */
1.7       deraadt   540:        } else if (noisy && debug == 0) {
                    541:                fputs(reply_string, ttyout);
1.11    ! millert   542:                fputc('\n', ttyout);
1.7       deraadt   543:        }
1.1       millert   544:        verbose = overbose;
                    545:        return (rtime);
                    546: }
                    547:
1.10      millert   548: /*
                    549:  * Returns true if this is the controlling/foreground process, else false.
                    550:  */
                    551: int
                    552: foregroundproc()
                    553: {
                    554:        static pid_t pgrp = -1;
                    555:        int ctty_pgrp;
                    556:
                    557:        if (pgrp == -1)
                    558:                pgrp = getpgrp();
                    559:
                    560:        return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
                    561:            ctty_pgrp == pgrp));
                    562: }
                    563:
1.11    ! millert   564: void updateprogressmeter __P((int));
        !           565:
1.1       millert   566: void
1.11    ! millert   567: updateprogressmeter(dummy)
        !           568:        int dummy;
1.1       millert   569: {
                    570:
1.10      millert   571:        if (foregroundproc())
                    572:                progressmeter(0);
1.1       millert   573: }
                    574:
                    575: /*
                    576:  * Display a transfer progress bar if progress is non-zero.
                    577:  * SIGALRM is hijacked for use by this function.
                    578:  * - Before the transfer, set filesize to size of file (or -1 if unknown),
                    579:  *   and call with flag = -1. This starts the once per second timer,
                    580:  *   and a call to updateprogressmeter() upon SIGALRM.
                    581:  * - During the transfer, updateprogressmeter will call progressmeter
                    582:  *   with flag = 0
                    583:  * - After the transfer, call with flag = 1
                    584:  */
                    585: static struct timeval start;
                    586:
                    587: void
                    588: progressmeter(flag)
                    589:        int flag;
                    590: {
                    591:        /*
                    592:         * List of order of magnitude prefixes.
                    593:         * The last is `P', as 2^64 = 16384 Petabytes
                    594:         */
                    595:        static const char prefixes[] = " KMGTP";
                    596:
                    597:        static struct timeval lastupdate;
                    598:        static off_t lastsize;
                    599:        struct timeval now, td, wait;
                    600:        off_t cursize, abbrevsize;
                    601:        double elapsed;
                    602:        int ratio, barlength, i, remaining;
                    603:        char buf[256];
                    604:
                    605:        if (flag == -1) {
1.2       millert   606:                (void)gettimeofday(&start, (struct timezone *)0);
1.1       millert   607:                lastupdate = start;
                    608:                lastsize = restart_point;
                    609:        }
1.2       millert   610:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   611:        if (!progress || filesize <= 0)
                    612:                return;
                    613:        cursize = bytes + restart_point;
                    614:
                    615:        ratio = cursize * 100 / filesize;
                    616:        ratio = MAX(ratio, 0);
                    617:        ratio = MIN(ratio, 100);
                    618:        snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
                    619:
                    620:        barlength = ttywidth - 30;
                    621:        if (barlength > 0) {
                    622:                i = barlength * ratio / 100;
                    623:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    624:                    "|%.*s%*s|", i,
                    625: "*****************************************************************************"
                    626: "*****************************************************************************",
                    627:                    barlength - i, "");
                    628:        }
                    629:
                    630:        i = 0;
                    631:        abbrevsize = cursize;
                    632:        while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
                    633:                i++;
                    634:                abbrevsize >>= 10;
                    635:        }
                    636:        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.11    ! millert   637:            " %5qd %c%c ", (quad_t)abbrevsize, prefixes[i],
1.1       millert   638:            prefixes[i] == ' ' ? ' ' : 'B');
                    639:
                    640:        timersub(&now, &lastupdate, &wait);
                    641:        if (cursize > lastsize) {
                    642:                lastupdate = now;
                    643:                lastsize = cursize;
                    644:                if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
                    645:                        start.tv_sec += wait.tv_sec;
                    646:                        start.tv_usec += wait.tv_usec;
                    647:                }
                    648:                wait.tv_sec = 0;
                    649:        }
                    650:
                    651:        timersub(&now, &start, &td);
                    652:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    653:
1.11    ! millert   654:        if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1       millert   655:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    656:                    "   --:-- ETA");
                    657:        } else if (wait.tv_sec >= STALLTIME) {
                    658:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    659:                    " - stalled -");
                    660:        } else {
                    661:                remaining = (int)((filesize - restart_point) /
                    662:                                  (bytes / elapsed) - elapsed);
                    663:                i = remaining / 3600;
                    664:                if (i)
                    665:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    666:                            "%2d:", i);
                    667:                else
                    668:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    669:                            "   ");
                    670:                i = remaining % 3600;
                    671:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    672:                    "%02d:%02d ETA", i / 60, i % 60);
                    673:        }
1.7       deraadt   674:        (void)write(fileno(ttyout), buf, strlen(buf));
1.1       millert   675:
                    676:        if (flag == -1) {
1.2       millert   677:                (void)signal(SIGALRM, updateprogressmeter);
1.1       millert   678:                alarmtimer(1);          /* set alarm timer for 1 Hz */
                    679:        } else if (flag == 1) {
                    680:                alarmtimer(0);
1.7       deraadt   681:                (void)putc('\n', ttyout);
1.1       millert   682:        }
1.7       deraadt   683:        fflush(ttyout);
1.1       millert   684: }
                    685:
                    686: /*
                    687:  * Display transfer statistics.
                    688:  * Requires start to be initialised by progressmeter(-1),
                    689:  * direction to be defined by xfer routines, and filesize and bytes
                    690:  * to be updated by xfer routines
                    691:  * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7       deraadt   692:  * instead of TTYOUT.
1.1       millert   693:  */
                    694: void
                    695: ptransfer(siginfo)
                    696:        int siginfo;
                    697: {
                    698:        struct timeval now, td;
                    699:        double elapsed;
                    700:        off_t bs;
                    701:        int meg, remaining, hh;
                    702:        char buf[100];
                    703:
                    704:        if (!verbose && !siginfo)
                    705:                return;
                    706:
1.2       millert   707:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   708:        timersub(&now, &start, &td);
                    709:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    710:        bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
                    711:        meg = 0;
                    712:        if (bs > (1024 * 1024))
                    713:                meg = 1;
                    714:        (void)snprintf(buf, sizeof(buf),
                    715:            "%qd byte%s %s in %.2f seconds (%.2f %sB/s)\n",
1.11    ! millert   716:            (quad_t)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1       millert   717:            bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.11    ! millert   718:        if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
        !           719:            && bytes + restart_point <= filesize) {
1.1       millert   720:                remaining = (int)((filesize - restart_point) /
                    721:                                  (bytes / elapsed) - elapsed);
                    722:                hh = remaining / 3600;
                    723:                remaining %= 3600;
1.11    ! millert   724:                        /* "buf+len(buf) -1" to overwrite \n */
1.1       millert   725:                snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
                    726:                    "  ETA: %02d:%02d:%02d\n", hh, remaining / 60,
                    727:                    remaining % 60);
                    728:        }
1.7       deraadt   729:        (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1       millert   730: }
                    731:
                    732: /*
                    733:  * List words in stringlist, vertically arranged
                    734:  */
                    735: void
                    736: list_vertical(sl)
                    737:        StringList *sl;
                    738: {
                    739:        int i, j, w;
                    740:        int columns, width, lines, items;
                    741:        char *p;
                    742:
                    743:        width = items = 0;
                    744:
                    745:        for (i = 0 ; i < sl->sl_cur ; i++) {
                    746:                w = strlen(sl->sl_str[i]);
                    747:                if (w > width)
                    748:                        width = w;
                    749:        }
                    750:        width = (width + 8) &~ 7;
                    751:
                    752:        columns = ttywidth / width;
                    753:        if (columns == 0)
                    754:                columns = 1;
                    755:        lines = (sl->sl_cur + columns - 1) / columns;
                    756:        for (i = 0; i < lines; i++) {
                    757:                for (j = 0; j < columns; j++) {
                    758:                        p = sl->sl_str[j * lines + i];
                    759:                        if (p)
1.7       deraadt   760:                                fputs(p, ttyout);
1.1       millert   761:                        if (j * lines + i + lines >= sl->sl_cur) {
1.7       deraadt   762:                                putc('\n', ttyout);
1.1       millert   763:                                break;
                    764:                        }
                    765:                        w = strlen(p);
                    766:                        while (w < width) {
                    767:                                w = (w + 8) &~ 7;
1.7       deraadt   768:                                (void)putc('\t', ttyout);
1.1       millert   769:                        }
                    770:                }
                    771:        }
                    772: }
                    773:
                    774: /*
                    775:  * Update the global ttywidth value, using TIOCGWINSZ.
                    776:  */
                    777: void
                    778: setttywidth(a)
                    779:        int a;
                    780: {
                    781:        struct winsize winsize;
                    782:
1.7       deraadt   783:        if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.1       millert   784:                ttywidth = winsize.ws_col;
                    785:        else
                    786:                ttywidth = 80;
                    787: }
                    788:
                    789: /*
                    790:  * Set the SIGALRM interval timer for wait seconds, 0 to disable.
                    791:  */
                    792: void
                    793: alarmtimer(wait)
                    794:        int wait;
                    795: {
                    796:        struct itimerval itv;
                    797:
                    798:        itv.it_value.tv_sec = wait;
                    799:        itv.it_value.tv_usec = 0;
                    800:        itv.it_interval = itv.it_value;
                    801:        setitimer(ITIMER_REAL, &itv, NULL);
                    802: }
1.5       millert   803:
                    804: /*
                    805:  * Setup or cleanup EditLine structures
                    806:  */
                    807: #ifndef SMALL
                    808: void
                    809: controlediting()
                    810: {
                    811:        if (editing && el == NULL && hist == NULL) {
1.7       deraadt   812:                el = el_init(__progname, stdin, ttyout); /* init editline */
1.5       millert   813:                hist = history_init();          /* init the builtin history */
                    814:                history(hist, H_EVENT, 100);    /* remember 100 events */
                    815:                el_set(el, EL_HIST, history, hist);     /* use history */
                    816:
                    817:                el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
                    818:                el_set(el, EL_PROMPT, prompt);  /* set the prompt function */
                    819:
                    820:                /* add local file completion, bind to TAB */
                    821:                el_set(el, EL_ADDFN, "ftp-complete",
                    822:                    "Context sensitive argument completion",
                    823:                    complete);
                    824:                el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
                    825:
                    826:                el_source(el, NULL);    /* read ~/.editrc */
                    827:                el_set(el, EL_SIGNAL, 1);
                    828:        } else if (!editing) {
                    829:                if (hist) {
                    830:                        history_end(hist);
                    831:                        hist = NULL;
                    832:                }
                    833:                if (el) {
                    834:                        el_end(el);
                    835:                        el = NULL;
                    836:                }
                    837:        }
                    838: }
                    839: #endif /* !SMALL */