[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 1.57

1.57    ! deraadt     1: /*     $OpenBSD: util.c,v 1.56 2009/01/27 22:04:36 martynas Exp $      */
1.13      millert     2: /*     $NetBSD: util.c,v 1.12 1997/08/18 10:20:27 lukem Exp $  */
1.1       millert     3:
1.34      millert     4: /*-
                      5:  * Copyright (c) 1997-1999 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to The NetBSD Foundation
                      9:  * by Luke Mewburn.
                     10:  *
                     11:  * This code is derived from software contributed to The NetBSD Foundation
                     12:  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
                     13:  * NASA Ames Research Center.
                     14:  *
                     15:  * Redistribution and use in source and binary forms, with or without
                     16:  * modification, are permitted provided that the following conditions
                     17:  * are met:
                     18:  * 1. Redistributions of source code must retain the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer.
                     20:  * 2. Redistributions in binary form must reproduce the above copyright
                     21:  *    notice, this list of conditions and the following disclaimer in the
                     22:  *    documentation and/or other materials provided with the distribution.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     25:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     26:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     27:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     28:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     30:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     31:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     32:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     33:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     34:  * POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
1.1       millert    37: /*
                     38:  * Copyright (c) 1985, 1989, 1993, 1994
                     39:  *     The Regents of the University of California.  All rights reserved.
                     40:  *
                     41:  * Redistribution and use in source and binary forms, with or without
                     42:  * modification, are permitted provided that the following conditions
                     43:  * are met:
                     44:  * 1. Redistributions of source code must retain the above copyright
                     45:  *    notice, this list of conditions and the following disclaimer.
                     46:  * 2. Redistributions in binary form must reproduce the above copyright
                     47:  *    notice, this list of conditions and the following disclaimer in the
                     48:  *    documentation and/or other materials provided with the distribution.
1.35      millert    49:  * 3. Neither the name of the University nor the names of its contributors
1.1       millert    50:  *    may be used to endorse or promote products derived from this software
                     51:  *    without specific prior written permission.
                     52:  *
                     53:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     54:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     55:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     56:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     57:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     58:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     59:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     60:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     61:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     62:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     63:  * SUCH DAMAGE.
                     64:  */
                     65:
1.37      deraadt    66: #if !defined(lint) && !defined(SMALL)
1.57    ! deraadt    67: static const char rcsid[] = "$OpenBSD: util.c,v 1.56 2009/01/27 22:04:36 martynas Exp $";
1.37      deraadt    68: #endif /* not lint and not SMALL */
1.1       millert    69:
                     70: /*
                     71:  * FTP User Program -- Misc support routines
                     72:  */
                     73: #include <sys/ioctl.h>
                     74: #include <sys/time.h>
                     75: #include <arpa/ftp.h>
                     76:
                     77: #include <ctype.h>
                     78: #include <err.h>
1.3       millert    79: #include <errno.h>
1.1       millert    80: #include <fcntl.h>
1.41      otto       81: #include <libgen.h>
1.11      millert    82: #include <limits.h>
1.1       millert    83: #include <glob.h>
1.6       millert    84: #include <pwd.h>
1.3       millert    85: #include <signal.h>
1.1       millert    86: #include <stdio.h>
1.2       millert    87: #include <stdlib.h>
1.1       millert    88: #include <string.h>
                     89: #include <time.h>
1.17      deraadt    90: #include <tzfile.h>
1.1       millert    91: #include <unistd.h>
                     92:
                     93: #include "ftp_var.h"
                     94: #include "pathnames.h"
                     95:
1.27      millert    96: static void updateprogressmeter(int);
1.20      millert    97:
1.1       millert    98: /*
                     99:  * Connect to peer server and
                    100:  * auto-login, if possible.
                    101:  */
                    102: void
1.38      deraadt   103: setpeer(int argc, char *argv[])
1.1       millert   104: {
1.40      deraadt   105:        char *host, *port;
1.1       millert   106:
                    107:        if (connected) {
1.7       deraadt   108:                fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2       millert   109:                    hostname);
1.1       millert   110:                code = -1;
                    111:                return;
                    112:        }
                    113:        if (argc < 2)
1.2       millert   114:                (void)another(&argc, &argv, "to");
1.1       millert   115:        if (argc < 2 || argc > 3) {
1.55      sobrado   116:                fprintf(ttyout, "usage: %s host [port]\n", argv[0]);
1.1       millert   117:                code = -1;
                    118:                return;
                    119:        }
1.13      millert   120:        if (gatemode)
                    121:                port = gateport;
                    122:        else
                    123:                port = ftpport;
1.22      itojun    124:        if (argc > 2)
                    125:                port = argv[2];
1.13      millert   126:
                    127:        if (gatemode) {
                    128:                if (gateserver == NULL || *gateserver == '\0')
                    129:                        errx(1, "gateserver not defined (shouldn't happen)");
                    130:                host = hookup(gateserver, port);
                    131:        } else
                    132:                host = hookup(argv[1], port);
                    133:
1.1       millert   134:        if (host) {
                    135:                int overbose;
                    136:
1.13      millert   137:                if (gatemode) {
                    138:                        if (command("PASSERVE %s", argv[1]) != COMPLETE)
                    139:                                return;
                    140:                        if (verbose)
                    141:                                fprintf(ttyout,
                    142:                                    "Connected via pass-through server %s\n",
                    143:                                    gateserver);
                    144:                }
                    145:
1.1       millert   146:                connected = 1;
                    147:                /*
                    148:                 * Set up defaults for FTP.
                    149:                 */
1.33      deraadt   150:                (void)strlcpy(formname, "non-print", sizeof formname);
                    151:                form = FORM_N;
                    152:                (void)strlcpy(modename, "stream", sizeof modename);
                    153:                mode = MODE_S;
                    154:                (void)strlcpy(structname, "file", sizeof structname);
                    155:                stru = STRU_F;
                    156:                (void)strlcpy(bytename, "8", sizeof bytename);
                    157:                bytesize = 8;
                    158:
1.25      millert   159:                /*
                    160:                 * Set type to 0 (not specified by user),
                    161:                 * meaning binary by default, but don't bother
                    162:                 * telling server.  We can use binary
                    163:                 * for text files unless changed by the user.
                    164:                 */
1.33      deraadt   165:                (void)strlcpy(typename, "binary", sizeof typename);
1.25      millert   166:                curtype = TYPE_A;
                    167:                type = 0;
1.1       millert   168:                if (autologin)
1.31      fgsch     169:                        (void)ftp_login(argv[1], NULL, NULL);
1.1       millert   170:
1.2       millert   171: #if (defined(unix) || defined(BSD)) && NBBY == 8
                    172: /*
                    173:  * this ifdef is to keep someone form "porting" this to an incompatible
                    174:  * system and not checking this out. This way they have to think about it.
                    175:  */
1.1       millert   176:                overbose = verbose;
1.54      martynas  177: #ifndef SMALL
                    178:                if (!debug)
                    179: #endif /* !SMALL */
1.1       millert   180:                        verbose = -1;
                    181:                if (command("SYST") == COMPLETE && overbose) {
                    182:                        char *cp, c;
                    183:                        c = 0;
1.4       millert   184:                        cp = strchr(reply_string + 4, ' ');
1.1       millert   185:                        if (cp == NULL)
1.4       millert   186:                                cp = strchr(reply_string + 4, '\r');
1.1       millert   187:                        if (cp) {
                    188:                                if (cp[-1] == '.')
                    189:                                        cp--;
                    190:                                c = *cp;
                    191:                                *cp = '\0';
                    192:                        }
                    193:
1.7       deraadt   194:                        fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1       millert   195:                        if (cp)
                    196:                                *cp = c;
                    197:                }
                    198:                if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
                    199:                        if (proxy)
                    200:                                unix_proxy = 1;
                    201:                        else
                    202:                                unix_server = 1;
                    203:                        if (overbose)
1.7       deraadt   204:                                fprintf(ttyout, "Using %s mode to transfer files.\n",
                    205:                                    typename);
1.1       millert   206:                } else {
                    207:                        if (proxy)
                    208:                                unix_proxy = 0;
                    209:                        else
                    210:                                unix_server = 0;
                    211:                        if (overbose &&
                    212:                            !strncmp(reply_string, "215 TOPS20", 10))
1.7       deraadt   213:                                fputs(
                    214: "Remember to set tenex mode when transferring binary files from this machine.\n",
                    215:                                    ttyout);
1.1       millert   216:                }
                    217:                verbose = overbose;
1.2       millert   218: #endif /* unix || BSD */
1.1       millert   219:        }
1.6       millert   220: }
                    221:
                    222: /*
                    223:  * login to remote host, using given username & password if supplied
                    224:  */
                    225: int
1.38      deraadt   226: ftp_login(const char *host, char *user, char *pass)
1.6       millert   227: {
1.43      ray       228:        char tmp[80], *acctname = NULL, host_name[MAXHOSTNAMELEN];
1.6       millert   229:        char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
1.40      deraadt   230:        int n, aflag = 0, retry = 0;
1.14      millert   231:        struct passwd *pw;
1.6       millert   232:
1.46      pyr       233: #ifndef SMALL
1.6       millert   234:        if (user == NULL) {
1.43      ray       235:                if (ruserpass(host, &user, &pass, &acctname) < 0) {
1.6       millert   236:                        code = -1;
                    237:                        return (0);
                    238:                }
                    239:        }
1.52      martynas  240: #endif /* !SMALL */
1.6       millert   241:
                    242:        /*
                    243:         * Set up arguments for an anonymous FTP session, if necessary.
                    244:         */
                    245:        if ((user == NULL || pass == NULL) && anonftp) {
                    246:                memset(anonpass, 0, sizeof(anonpass));
1.43      ray       247:                memset(host_name, 0, sizeof(host_name));
1.6       millert   248:
                    249:                /*
                    250:                 * Set up anonymous login password.
                    251:                 */
1.14      millert   252:                if ((user = getlogin()) == NULL) {
                    253:                        if ((pw = getpwuid(getuid())) == NULL)
                    254:                                user = "anonymous";
                    255:                        else
                    256:                                user = pw->pw_name;
                    257:                }
1.43      ray       258:                gethostname(host_name, sizeof(host_name));
1.6       millert   259: #ifndef DONT_CHEAT_ANONPASS
                    260:                /*
                    261:                 * Every anonymous FTP server I've encountered
                    262:                 * will accept the string "username@", and will
                    263:                 * append the hostname itself.  We do this by default
                    264:                 * since many servers are picky about not having
                    265:                 * a FQDN in the anonymous password. - thorpej@netbsd.org
                    266:                 */
                    267:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
                    268:                    user);
                    269: #else
                    270:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
                    271:                    user, hp->h_name);
                    272: #endif
                    273:                pass = anonpass;
1.11      millert   274:                user = "anonymous";     /* as per RFC 1635 */
1.8       jkatz     275:        }
                    276:
                    277: tryagain:
1.9       millert   278:        if (retry)
1.11      millert   279:                user = "ftp";           /* some servers only allow "ftp" */
1.8       jkatz     280:
1.6       millert   281:        while (user == NULL) {
                    282:                char *myname = getlogin();
                    283:
1.14      millert   284:                if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
                    285:                        myname = pw->pw_name;
1.6       millert   286:                if (myname)
1.7       deraadt   287:                        fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6       millert   288:                else
1.7       deraadt   289:                        fprintf(ttyout, "Name (%s): ", host);
1.44      ray       290:                user = myname;
1.45      ray       291:                if (fgets(tmp, sizeof(tmp), stdin) != NULL) {
1.47      gilles    292:                        tmp[strcspn(tmp, "\n")] = '\0';
1.44      ray       293:                        if (tmp[0] != '\0')
                    294:                                user = tmp;
                    295:                }
1.49      martynas  296:                else
                    297:                        exit(0);
1.6       millert   298:        }
                    299:        n = command("USER %s", user);
                    300:        if (n == CONTINUE) {
                    301:                if (pass == NULL)
                    302:                        pass = getpass("Password:");
                    303:                n = command("PASS %s", pass);
                    304:        }
                    305:        if (n == CONTINUE) {
                    306:                aflag++;
1.43      ray       307:                if (acctname == NULL)
                    308:                        acctname = getpass("Account:");
                    309:                n = command("ACCT %s", acctname);
1.6       millert   310:        }
                    311:        if ((n != COMPLETE) ||
1.43      ray       312:            (!aflag && acctname != NULL && command("ACCT %s", acctname) != COMPLETE)) {
1.6       millert   313:                warnx("Login failed.");
1.9       millert   314:                if (retry || !anonftp)
1.8       jkatz     315:                        return (0);
1.9       millert   316:                else
                    317:                        retry = 1;
1.8       jkatz     318:                goto tryagain;
1.6       millert   319:        }
                    320:        if (proxy)
                    321:                return (1);
                    322:        connected = -1;
                    323:        for (n = 0; n < macnum; ++n) {
                    324:                if (!strcmp("init", macros[n].mac_name)) {
1.33      deraadt   325:                        (void)strlcpy(line, "$init", sizeof line);
1.6       millert   326:                        makeargv();
                    327:                        domacro(margc, margv);
                    328:                        break;
                    329:                }
                    330:        }
                    331:        return (1);
1.1       millert   332: }
                    333:
                    334: /*
1.4       millert   335:  * `another' gets another argument, and stores the new argc and argv.
1.1       millert   336:  * It reverts to the top level (via main.c's intr()) on EOF/error.
                    337:  *
                    338:  * Returns false if no new arguments have been added.
                    339:  */
                    340: int
1.38      deraadt   341: another(int *pargc, char ***pargv, const char *prompt)
1.1       millert   342: {
                    343:        int len = strlen(line), ret;
                    344:
                    345:        if (len >= sizeof(line) - 3) {
1.7       deraadt   346:                fputs("sorry, arguments too long.\n", ttyout);
1.1       millert   347:                intr();
                    348:        }
1.7       deraadt   349:        fprintf(ttyout, "(%s) ", prompt);
1.1       millert   350:        line[len++] = ' ';
1.49      martynas  351:        if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL) {
                    352:                clearerr(stdin);
1.1       millert   353:                intr();
1.49      martynas  354:        }
1.1       millert   355:        len += strlen(&line[len]);
                    356:        if (len > 0 && line[len - 1] == '\n')
                    357:                line[len - 1] = '\0';
                    358:        makeargv();
                    359:        ret = margc > *pargc;
                    360:        *pargc = margc;
                    361:        *pargv = margv;
                    362:        return (ret);
                    363: }
                    364:
1.4       millert   365: /*
                    366:  * glob files given in argv[] from the remote server.
                    367:  * if errbuf isn't NULL, store error messages there instead
                    368:  * of writing to the screen.
1.54      martynas  369:  * if type isn't NULL, use LIST instead of NLST, and store filetype.
                    370:  * 'd' means directory, 's' means symbolic link, '-' means plain
                    371:  * file.
1.4       millert   372:  */
1.1       millert   373: char *
1.54      martynas  374: remglob2(char *argv[], int doswitch, char **errbuf, FILE **ftemp, char *type)
1.1       millert   375: {
1.54      martynas  376:        char temp[MAXPATHLEN], *bufp, *cp, *lmode;
1.40      deraadt   377:        static char buf[MAXPATHLEN], **args;
                    378:        int oldverbose, oldhash, fd;
                    379:
                    380:        if (!mflag) {
                    381:                if (!doglob)
                    382:                        args = NULL;
                    383:                else {
1.54      martynas  384:                        if (*ftemp) {
                    385:                                (void)fclose(*ftemp);
                    386:                                *ftemp = NULL;
1.40      deraadt   387:                        }
                    388:                }
                    389:                return (NULL);
                    390:        }
                    391:        if (!doglob) {
                    392:                if (args == NULL)
                    393:                        args = argv;
                    394:                if ((cp = *++args) == NULL)
                    395:                        args = NULL;
                    396:                return (cp);
                    397:        }
1.54      martynas  398:        if (*ftemp == NULL) {
1.3       millert   399:                int len;
                    400:
1.32      millert   401:                if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
1.3       millert   402:                    cp = _PATH_TMP;
                    403:                len = strlen(cp);
                    404:                if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
                    405:                        warnx("unable to create temporary file: %s",
                    406:                            strerror(ENAMETOOLONG));
                    407:                        return (NULL);
                    408:                }
                    409:
1.33      deraadt   410:                (void)strlcpy(temp, cp, sizeof temp);
1.3       millert   411:                if (temp[len-1] != '/')
                    412:                        temp[len++] = '/';
1.33      deraadt   413:                (void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
1.40      deraadt   414:                if ((fd = mkstemp(temp)) < 0) {
                    415:                        warn("unable to create temporary file %s", temp);
                    416:                        return (NULL);
                    417:                }
                    418:                close(fd);
1.4       millert   419:                oldverbose = verbose;
                    420:                verbose = (errbuf != NULL) ? -1 : 0;
                    421:                oldhash = hash;
                    422:                hash = 0;
1.40      deraadt   423:                if (doswitch)
                    424:                        pswitch(!proxy);
1.43      ray       425:                for (lmode = "w"; *++argv != NULL; lmode = "a")
1.54      martynas  426:                        recvrequest(type ? "LIST" : "NLST", temp, *argv, lmode,
                    427:                            0, 0);
1.4       millert   428:                if ((code / 100) != COMPLETE) {
                    429:                        if (errbuf != NULL)
                    430:                                *errbuf = reply_string;
                    431:                }
                    432:                if (doswitch)
                    433:                        pswitch(!proxy);
1.40      deraadt   434:                verbose = oldverbose;
1.4       millert   435:                hash = oldhash;
1.54      martynas  436:                *ftemp = fopen(temp, "r");
1.40      deraadt   437:                (void)unlink(temp);
1.54      martynas  438:                if (*ftemp == NULL) {
1.4       millert   439:                        if (errbuf == NULL)
1.7       deraadt   440:                                fputs("can't find list of remote files, oops.\n",
                    441:                                    ttyout);
1.4       millert   442:                        else
                    443:                                *errbuf =
                    444:                                    "can't find list of remote files, oops.";
1.40      deraadt   445:                        return (NULL);
                    446:                }
                    447:        }
1.54      martynas  448: again:
                    449:        if (fgets(buf, sizeof(buf), *ftemp) == NULL) {
                    450:                (void)fclose(*ftemp);
                    451:                *ftemp = NULL;
1.40      deraadt   452:                return (NULL);
                    453:        }
1.47      gilles    454:
                    455:        buf[strcspn(buf, "\n")] = '\0';
1.54      martynas  456:        bufp = buf;
                    457:
                    458: #ifndef SMALL
                    459:        if (type) {
                    460:                parse_list(&bufp, type);
1.56      martynas  461:                if (!bufp ||
                    462:                    (bufp[0] == '.' &&  /* LIST defaults to -a on some ftp */
                    463:                    (bufp[1] == '\0' || /* servers.  Ignore '.' and '..'. */
                    464:                    (bufp[1] == '.' && bufp[2] == '\0'))))
1.54      martynas  465:                        goto again;
                    466:        }
                    467: #endif /* !SMALL */
                    468:
                    469:        return (bufp);
                    470: }
                    471:
                    472: /*
                    473:  * wrapper for remglob2
                    474:  */
                    475: char *
                    476: remglob(char *argv[], int doswitch, char **errbuf)
                    477: {
                    478:        static FILE *ftemp = NULL;
1.47      gilles    479:
1.54      martynas  480:        return remglob2(argv, doswitch, errbuf, &ftemp, NULL);
1.1       millert   481: }
                    482:
                    483: int
1.54      martynas  484: confirm(const char *cmd, const char *file)
1.1       millert   485: {
1.43      ray       486:        char str[BUFSIZ];
1.1       millert   487:
1.54      martynas  488:        if (file && (confirmrest || !interactive))
1.1       millert   489:                return (1);
1.16      deraadt   490: top:
1.54      martynas  491:        if (file)
                    492:                fprintf(ttyout, "%s %s? ", cmd, file);
                    493:        else
                    494:                fprintf(ttyout, "Continue with %s? ", cmd);
1.7       deraadt   495:        (void)fflush(ttyout);
1.51      martynas  496:        if (fgets(str, sizeof(str), stdin) == NULL)
                    497:                goto quit;
1.43      ray       498:        switch (tolower(*str)) {
1.51      martynas  499:                case '?':
                    500:                        fprintf(ttyout,
                    501:                            "?  help\n"
                    502:                            "a  answer yes to all\n"
                    503:                            "n  answer no\n"
                    504:                            "p  turn off prompt mode\n"
                    505:                            "q  answer no to all\n"
                    506:                            "y  answer yes\n");
                    507:                        goto top;
                    508:                case 'a':
                    509:                        confirmrest = 1;
                    510:                        fprintf(ttyout, "Prompting off for duration of %s.\n",
                    511:                            cmd);
                    512:                        break;
1.1       millert   513:                case 'n':
                    514:                        return (0);
                    515:                case 'p':
                    516:                        interactive = 0;
1.7       deraadt   517:                        fputs("Interactive mode: off.\n", ttyout);
1.1       millert   518:                        break;
1.51      martynas  519:                case 'q':
                    520: quit:
                    521:                        mflag = 0;
                    522:                        clearerr(stdin);
                    523:                        return (0);
1.12      jkatz     524:                case 'y':
                    525:                        return(1);
                    526:                        break;
                    527:                default:
1.51      martynas  528:                        fprintf(ttyout, "?, a, n, p, q, y "
                    529:                            "are the only acceptable commands!\n");
1.16      deraadt   530:                        goto top;
1.1       millert   531:                        break;
                    532:        }
                    533:        return (1);
                    534: }
                    535:
                    536: /*
                    537:  * Glob a local file name specification with
                    538:  * the expectation of a single return value.
                    539:  * Can't control multiple values being expanded
                    540:  * from the expression, we return only the first.
                    541:  */
                    542: int
1.38      deraadt   543: globulize(char **cpp)
1.1       millert   544: {
                    545:        glob_t gl;
                    546:        int flags;
                    547:
                    548:        if (!doglob)
                    549:                return (1);
                    550:
                    551:        flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
                    552:        memset(&gl, 0, sizeof(gl));
                    553:        if (glob(*cpp, flags, NULL, &gl) ||
                    554:            gl.gl_pathc == 0) {
                    555:                warnx("%s: not found", *cpp);
                    556:                globfree(&gl);
                    557:                return (0);
                    558:        }
1.13      millert   559:                /* XXX: caller should check if *cpp changed, and
                    560:                 *      free(*cpp) if that is the case
                    561:                 */
                    562:        *cpp = strdup(gl.gl_pathv[0]);
1.30      deraadt   563:        if (*cpp == NULL)
                    564:                err(1, NULL);
1.1       millert   565:        globfree(&gl);
                    566:        return (1);
                    567: }
                    568:
                    569: /*
                    570:  * determine size of remote file
                    571:  */
                    572: off_t
1.38      deraadt   573: remotesize(const char *file, int noisy)
1.1       millert   574: {
                    575:        int overbose;
                    576:        off_t size;
                    577:
                    578:        overbose = verbose;
                    579:        size = -1;
1.54      martynas  580: #ifndef SMALL
                    581:        if (!debug)
                    582: #endif /* !SMALL */
1.1       millert   583:                verbose = -1;
1.11      millert   584:        if (command("SIZE %s", file) == COMPLETE) {
                    585:                char *cp, *ep;
                    586:
                    587:                cp = strchr(reply_string, ' ');
                    588:                if (cp != NULL) {
                    589:                        cp++;
                    590:                        size = strtoq(cp, &ep, 10);
                    591:                        if (*ep != '\0' && !isspace(*ep))
                    592:                                size = -1;
                    593:                }
1.54      martynas  594:        } else if (noisy
                    595: #ifndef SMALL
                    596:            && !debug
                    597: #endif /* !SMALL */
                    598:            ) {
1.7       deraadt   599:                fputs(reply_string, ttyout);
1.11      millert   600:                fputc('\n', ttyout);
1.7       deraadt   601:        }
1.1       millert   602:        verbose = overbose;
                    603:        return (size);
                    604: }
                    605:
                    606: /*
                    607:  * determine last modification time (in GMT) of remote file
                    608:  */
                    609: time_t
1.38      deraadt   610: remotemodtime(const char *file, int noisy)
1.1       millert   611: {
                    612:        int overbose;
                    613:        time_t rtime;
1.15      millert   614:        int ocode;
1.1       millert   615:
                    616:        overbose = verbose;
1.15      millert   617:        ocode = code;
1.1       millert   618:        rtime = -1;
1.54      martynas  619: #ifndef SMALL
                    620:        if (!debug)
                    621: #endif /* !SMALL */
1.1       millert   622:                verbose = -1;
                    623:        if (command("MDTM %s", file) == COMPLETE) {
                    624:                struct tm timebuf;
                    625:                int yy, mo, day, hour, min, sec;
1.23      espie     626:                /*
                    627:                 * time-val = 14DIGIT [ "." 1*DIGIT ]
                    628:                 *              YYYYMMDDHHMMSS[.sss]
                    629:                 * mdtm-response = "213" SP time-val CRLF / error-response
                    630:                 */
                    631:                /* TODO: parse .sss as well, use timespecs. */
                    632:                char *timestr = reply_string;
                    633:
                    634:                /* Repair `19%02d' bug on server side */
                    635:                while (!isspace(*timestr))
                    636:                        timestr++;
                    637:                while (isspace(*timestr))
                    638:                        timestr++;
                    639:                if (strncmp(timestr, "191", 3) == 0) {
                    640:                        fprintf(ttyout,
                    641:            "Y2K warning! Fixed incorrect time-val received from server.\n");
                    642:                        timestr[0] = ' ';
                    643:                        timestr[1] = '2';
                    644:                        timestr[2] = '0';
                    645:                }
1.1       millert   646:                sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
                    647:                        &day, &hour, &min, &sec);
                    648:                memset(&timebuf, 0, sizeof(timebuf));
                    649:                timebuf.tm_sec = sec;
                    650:                timebuf.tm_min = min;
                    651:                timebuf.tm_hour = hour;
                    652:                timebuf.tm_mday = day;
                    653:                timebuf.tm_mon = mo - 1;
1.17      deraadt   654:                timebuf.tm_year = yy - TM_YEAR_BASE;
1.1       millert   655:                timebuf.tm_isdst = -1;
                    656:                rtime = mktime(&timebuf);
1.54      martynas  657:                if (rtime == -1 && (noisy
                    658: #ifndef SMALL
                    659:                    || debug
                    660: #endif /* !SMALL */
                    661:                    ))
1.7       deraadt   662:                        fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1       millert   663:                else
                    664:                        rtime += timebuf.tm_gmtoff;     /* conv. local -> GMT */
1.54      martynas  665:        } else if (noisy
                    666: #ifndef SMALL
                    667:            && !debug
                    668: #endif /* !SMALL */
                    669:            ) {
1.7       deraadt   670:                fputs(reply_string, ttyout);
1.11      millert   671:                fputc('\n', ttyout);
1.7       deraadt   672:        }
1.1       millert   673:        verbose = overbose;
1.15      millert   674:        if (rtime == -1)
                    675:                code = ocode;
1.1       millert   676:        return (rtime);
                    677: }
1.41      otto      678:
                    679: /*
                    680:  * Ensure file is in or under dir.
                    681:  * Returns 1 if so, 0 if not (or an error occurred).
                    682:  */
                    683: int
                    684: fileindir(const char *file, const char *dir)
                    685: {
                    686:        char    parentdirbuf[MAXPATHLEN], *parentdir;
                    687:        char    realdir[MAXPATHLEN];
                    688:        size_t  dirlen;
                    689:
                    690:                                        /* determine parent directory of file */
                    691:        (void)strlcpy(parentdirbuf, file, sizeof(parentdirbuf));
                    692:        parentdir = dirname(parentdirbuf);
                    693:        if (strcmp(parentdir, ".") == 0)
                    694:                return 1;               /* current directory is ok */
                    695:
                    696:                                        /* find the directory */
                    697:        if (realpath(parentdir, realdir) == NULL) {
                    698:                warn("Unable to determine real path of `%s'", parentdir);
                    699:                return 0;
                    700:        }
                    701:        if (realdir[0] != '/')          /* relative result is ok */
                    702:                return 1;
                    703:
                    704:        dirlen = strlen(dir);
                    705:        if (strncmp(realdir, dir, dirlen) == 0 &&
                    706:            (realdir[dirlen] == '/' || realdir[dirlen] == '\0'))
                    707:                return 1;
                    708:        return 0;
                    709: }
                    710:
1.1       millert   711:
1.10      millert   712: /*
                    713:  * Returns true if this is the controlling/foreground process, else false.
                    714:  */
                    715: int
1.38      deraadt   716: foregroundproc(void)
1.10      millert   717: {
                    718:        static pid_t pgrp = -1;
                    719:        int ctty_pgrp;
                    720:
                    721:        if (pgrp == -1)
                    722:                pgrp = getpgrp();
                    723:
                    724:        return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
                    725:            ctty_pgrp == pgrp));
                    726: }
                    727:
1.39      deraadt   728: /* ARGSUSED */
1.20      millert   729: static void
1.39      deraadt   730: updateprogressmeter(int signo)
1.1       millert   731: {
1.19      deraadt   732:        int save_errno = errno;
1.1       millert   733:
1.20      millert   734:        /* update progressmeter if foreground process or in -m mode */
                    735:        if (foregroundproc() || progress == -1)
1.10      millert   736:                progressmeter(0);
1.19      deraadt   737:        errno = save_errno;
1.1       millert   738: }
                    739:
                    740: /*
                    741:  * Display a transfer progress bar if progress is non-zero.
                    742:  * SIGALRM is hijacked for use by this function.
                    743:  * - Before the transfer, set filesize to size of file (or -1 if unknown),
                    744:  *   and call with flag = -1. This starts the once per second timer,
                    745:  *   and a call to updateprogressmeter() upon SIGALRM.
                    746:  * - During the transfer, updateprogressmeter will call progressmeter
                    747:  *   with flag = 0
                    748:  * - After the transfer, call with flag = 1
                    749:  */
                    750: static struct timeval start;
                    751:
1.57    ! deraadt   752: char    *title;
        !           753:
1.1       millert   754: void
1.38      deraadt   755: progressmeter(int flag)
1.1       millert   756: {
                    757:        /*
                    758:         * List of order of magnitude prefixes.
                    759:         * The last is `P', as 2^64 = 16384 Petabytes
                    760:         */
                    761:        static const char prefixes[] = " KMGTP";
                    762:
                    763:        static struct timeval lastupdate;
                    764:        static off_t lastsize;
                    765:        struct timeval now, td, wait;
                    766:        off_t cursize, abbrevsize;
                    767:        double elapsed;
1.57    ! deraadt   768:        int ratio, barlength, i, remaining, overhead = 30;
1.29      deraadt   769:        char buf[512];
1.1       millert   770:
                    771:        if (flag == -1) {
1.2       millert   772:                (void)gettimeofday(&start, (struct timezone *)0);
1.1       millert   773:                lastupdate = start;
                    774:                lastsize = restart_point;
                    775:        }
1.2       millert   776:        (void)gettimeofday(&now, (struct timezone *)0);
1.24      deraadt   777:        if (!progress || filesize < 0)
1.1       millert   778:                return;
                    779:        cursize = bytes + restart_point;
                    780:
1.24      deraadt   781:        if (filesize)
                    782:                ratio = cursize * 100 / filesize;
                    783:        else
                    784:                ratio = 100;
1.1       millert   785:        ratio = MAX(ratio, 0);
                    786:        ratio = MIN(ratio, 100);
1.57    ! deraadt   787:        if (title) {
        !           788:                int l = strlen(title);
        !           789:                char *dotdot = "";
        !           790:
        !           791:                if (l < 12)
        !           792:                        l = 12;
        !           793:                else if (l > 25) {
        !           794:                        l = 22;
        !           795:                        dotdot = "...";
        !           796:                        overhead += 3;
        !           797:                }
        !           798:                snprintf(buf, sizeof(buf), "\r%-*.*s%s %3d%% ", l, l, title,
        !           799:                    dotdot, ratio);
        !           800:                overhead += l + 1;
        !           801:        } else
        !           802:                snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
1.1       millert   803:
1.57    ! deraadt   804:        barlength = ttywidth - overhead;
1.1       millert   805:        if (barlength > 0) {
                    806:                i = barlength * ratio / 100;
                    807:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    808:                    "|%.*s%*s|", i,
1.29      deraadt   809:                    "*******************************************************"
                    810:                    "*******************************************************"
                    811:                    "*******************************************************"
                    812:                    "*******************************************************"
                    813:                    "*******************************************************"
                    814:                    "*******************************************************"
                    815:                    "*******************************************************",
1.1       millert   816:                    barlength - i, "");
                    817:        }
                    818:
                    819:        i = 0;
                    820:        abbrevsize = cursize;
                    821:        while (abbrevsize >= 100000 && i < sizeof(prefixes)) {
                    822:                i++;
                    823:                abbrevsize >>= 10;
                    824:        }
                    825:        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.26      deraadt   826:            " %5lld %c%c ", (long long)abbrevsize, prefixes[i],
1.1       millert   827:            prefixes[i] == ' ' ? ' ' : 'B');
                    828:
                    829:        timersub(&now, &lastupdate, &wait);
                    830:        if (cursize > lastsize) {
                    831:                lastupdate = now;
                    832:                lastsize = cursize;
                    833:                if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
                    834:                        start.tv_sec += wait.tv_sec;
                    835:                        start.tv_usec += wait.tv_usec;
                    836:                }
                    837:                wait.tv_sec = 0;
                    838:        }
                    839:
                    840:        timersub(&now, &start, &td);
                    841:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    842:
1.24      deraadt   843:        if (flag == 1) {
                    844:                i = (int)elapsed / 3600;
                    845:                if (i)
                    846:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    847:                            "%2d:", i);
                    848:                else
                    849:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    850:                            "   ");
                    851:                i = (int)elapsed % 3600;
                    852:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    853:                    "%02d:%02d    ", i / 60, i % 60);
                    854:        } else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1       millert   855:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    856:                    "   --:-- ETA");
                    857:        } else if (wait.tv_sec >= STALLTIME) {
                    858:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    859:                    " - stalled -");
                    860:        } else {
                    861:                remaining = (int)((filesize - restart_point) /
                    862:                                  (bytes / elapsed) - elapsed);
                    863:                i = remaining / 3600;
                    864:                if (i)
                    865:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    866:                            "%2d:", i);
                    867:                else
                    868:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    869:                            "   ");
                    870:                i = remaining % 3600;
                    871:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    872:                    "%02d:%02d ETA", i / 60, i % 60);
                    873:        }
1.7       deraadt   874:        (void)write(fileno(ttyout), buf, strlen(buf));
1.1       millert   875:
                    876:        if (flag == -1) {
1.2       millert   877:                (void)signal(SIGALRM, updateprogressmeter);
1.1       millert   878:                alarmtimer(1);          /* set alarm timer for 1 Hz */
                    879:        } else if (flag == 1) {
                    880:                alarmtimer(0);
1.7       deraadt   881:                (void)putc('\n', ttyout);
1.1       millert   882:        }
1.7       deraadt   883:        fflush(ttyout);
1.1       millert   884: }
                    885:
                    886: /*
                    887:  * Display transfer statistics.
                    888:  * Requires start to be initialised by progressmeter(-1),
                    889:  * direction to be defined by xfer routines, and filesize and bytes
                    890:  * to be updated by xfer routines
                    891:  * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7       deraadt   892:  * instead of TTYOUT.
1.1       millert   893:  */
                    894: void
1.38      deraadt   895: ptransfer(int siginfo)
1.1       millert   896: {
                    897:        struct timeval now, td;
                    898:        double elapsed;
                    899:        off_t bs;
                    900:        int meg, remaining, hh;
                    901:        char buf[100];
                    902:
                    903:        if (!verbose && !siginfo)
                    904:                return;
                    905:
1.2       millert   906:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   907:        timersub(&now, &start, &td);
                    908:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    909:        bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
                    910:        meg = 0;
                    911:        if (bs > (1024 * 1024))
                    912:                meg = 1;
                    913:        (void)snprintf(buf, sizeof(buf),
1.26      deraadt   914:            "%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
                    915:            (long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1       millert   916:            bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.11      millert   917:        if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
                    918:            && bytes + restart_point <= filesize) {
1.1       millert   919:                remaining = (int)((filesize - restart_point) /
                    920:                                  (bytes / elapsed) - elapsed);
                    921:                hh = remaining / 3600;
                    922:                remaining %= 3600;
1.11      millert   923:                        /* "buf+len(buf) -1" to overwrite \n */
1.1       millert   924:                snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
                    925:                    "  ETA: %02d:%02d:%02d\n", hh, remaining / 60,
                    926:                    remaining % 60);
                    927:        }
1.7       deraadt   928:        (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1       millert   929: }
                    930:
                    931: /*
                    932:  * List words in stringlist, vertically arranged
                    933:  */
                    934: void
1.38      deraadt   935: list_vertical(StringList *sl)
1.1       millert   936: {
                    937:        int i, j, w;
1.39      deraadt   938:        int columns, width, lines;
1.1       millert   939:        char *p;
                    940:
1.39      deraadt   941:        width = 0;
1.1       millert   942:
                    943:        for (i = 0 ; i < sl->sl_cur ; i++) {
                    944:                w = strlen(sl->sl_str[i]);
                    945:                if (w > width)
                    946:                        width = w;
                    947:        }
                    948:        width = (width + 8) &~ 7;
                    949:
                    950:        columns = ttywidth / width;
                    951:        if (columns == 0)
                    952:                columns = 1;
                    953:        lines = (sl->sl_cur + columns - 1) / columns;
                    954:        for (i = 0; i < lines; i++) {
                    955:                for (j = 0; j < columns; j++) {
                    956:                        p = sl->sl_str[j * lines + i];
                    957:                        if (p)
1.7       deraadt   958:                                fputs(p, ttyout);
1.1       millert   959:                        if (j * lines + i + lines >= sl->sl_cur) {
1.7       deraadt   960:                                putc('\n', ttyout);
1.1       millert   961:                                break;
                    962:                        }
                    963:                        w = strlen(p);
                    964:                        while (w < width) {
                    965:                                w = (w + 8) &~ 7;
1.7       deraadt   966:                                (void)putc('\t', ttyout);
1.1       millert   967:                        }
                    968:                }
                    969:        }
                    970: }
                    971:
                    972: /*
                    973:  * Update the global ttywidth value, using TIOCGWINSZ.
                    974:  */
1.39      deraadt   975: /* ARGSUSED */
1.1       millert   976: void
1.39      deraadt   977: setttywidth(int signo)
1.1       millert   978: {
1.19      deraadt   979:        int save_errno = errno;
1.1       millert   980:        struct winsize winsize;
                    981:
1.7       deraadt   982:        if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.21      deraadt   983:                ttywidth = winsize.ws_col ? winsize.ws_col : 80;
1.1       millert   984:        else
                    985:                ttywidth = 80;
1.19      deraadt   986:        errno = save_errno;
1.1       millert   987: }
                    988:
                    989: /*
                    990:  * Set the SIGALRM interval timer for wait seconds, 0 to disable.
                    991:  */
                    992: void
1.38      deraadt   993: alarmtimer(int wait)
1.1       millert   994: {
                    995:        struct itimerval itv;
                    996:
                    997:        itv.it_value.tv_sec = wait;
                    998:        itv.it_value.tv_usec = 0;
                    999:        itv.it_interval = itv.it_value;
                   1000:        setitimer(ITIMER_REAL, &itv, NULL);
                   1001: }
1.5       millert  1002:
                   1003: /*
                   1004:  * Setup or cleanup EditLine structures
                   1005:  */
                   1006: #ifndef SMALL
                   1007: void
1.38      deraadt  1008: controlediting(void)
1.5       millert  1009: {
1.36      otto     1010:        HistEvent hev;
                   1011:
1.5       millert  1012:        if (editing && el == NULL && hist == NULL) {
1.36      otto     1013:                el = el_init(__progname, stdin, ttyout, stderr); /* init editline */
1.5       millert  1014:                hist = history_init();          /* init the builtin history */
1.36      otto     1015:                history(hist, &hev, H_SETSIZE, 100);    /* remember 100 events */
1.5       millert  1016:                el_set(el, EL_HIST, history, hist);     /* use history */
                   1017:
                   1018:                el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
                   1019:                el_set(el, EL_PROMPT, prompt);  /* set the prompt function */
                   1020:
                   1021:                /* add local file completion, bind to TAB */
                   1022:                el_set(el, EL_ADDFN, "ftp-complete",
                   1023:                    "Context sensitive argument completion",
                   1024:                    complete);
                   1025:                el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
                   1026:
                   1027:                el_source(el, NULL);    /* read ~/.editrc */
                   1028:                el_set(el, EL_SIGNAL, 1);
                   1029:        } else if (!editing) {
                   1030:                if (hist) {
                   1031:                        history_end(hist);
                   1032:                        hist = NULL;
                   1033:                }
                   1034:                if (el) {
                   1035:                        el_end(el);
                   1036:                        el = NULL;
                   1037:                }
                   1038:        }
                   1039: }
                   1040: #endif /* !SMALL */