[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 1.64

1.64    ! deraadt     1: /*     $OpenBSD: util.c,v 1.63 2009/05/10 16:31:17 deraadt 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:
                     66: /*
                     67:  * FTP User Program -- Misc support routines
                     68:  */
                     69: #include <sys/ioctl.h>
                     70: #include <sys/time.h>
                     71: #include <arpa/ftp.h>
                     72:
                     73: #include <ctype.h>
                     74: #include <err.h>
1.3       millert    75: #include <errno.h>
1.1       millert    76: #include <fcntl.h>
1.41      otto       77: #include <libgen.h>
1.11      millert    78: #include <limits.h>
1.1       millert    79: #include <glob.h>
1.6       millert    80: #include <pwd.h>
1.3       millert    81: #include <signal.h>
1.1       millert    82: #include <stdio.h>
1.2       millert    83: #include <stdlib.h>
1.1       millert    84: #include <string.h>
                     85: #include <time.h>
1.17      deraadt    86: #include <tzfile.h>
1.1       millert    87: #include <unistd.h>
                     88:
                     89: #include "ftp_var.h"
                     90: #include "pathnames.h"
                     91:
1.27      millert    92: static void updateprogressmeter(int);
1.20      millert    93:
1.1       millert    94: /*
                     95:  * Connect to peer server and
                     96:  * auto-login, if possible.
                     97:  */
                     98: void
1.38      deraadt    99: setpeer(int argc, char *argv[])
1.1       millert   100: {
1.40      deraadt   101:        char *host, *port;
1.1       millert   102:
                    103:        if (connected) {
1.7       deraadt   104:                fprintf(ttyout, "Already connected to %s, use close first.\n",
1.2       millert   105:                    hostname);
1.1       millert   106:                code = -1;
                    107:                return;
                    108:        }
1.62      martynas  109: #ifndef SMALL
1.1       millert   110:        if (argc < 2)
1.2       millert   111:                (void)another(&argc, &argv, "to");
1.1       millert   112:        if (argc < 2 || argc > 3) {
1.55      sobrado   113:                fprintf(ttyout, "usage: %s host [port]\n", argv[0]);
1.1       millert   114:                code = -1;
                    115:                return;
                    116:        }
1.62      martynas  117: #endif /* !SMALL */
1.13      millert   118:        if (gatemode)
                    119:                port = gateport;
                    120:        else
                    121:                port = ftpport;
1.22      itojun    122:        if (argc > 2)
                    123:                port = argv[2];
1.13      millert   124:
                    125:        if (gatemode) {
                    126:                if (gateserver == NULL || *gateserver == '\0')
                    127:                        errx(1, "gateserver not defined (shouldn't happen)");
                    128:                host = hookup(gateserver, port);
                    129:        } else
                    130:                host = hookup(argv[1], port);
                    131:
1.1       millert   132:        if (host) {
                    133:                int overbose;
                    134:
1.13      millert   135:                if (gatemode) {
                    136:                        if (command("PASSERVE %s", argv[1]) != COMPLETE)
                    137:                                return;
                    138:                        if (verbose)
                    139:                                fprintf(ttyout,
                    140:                                    "Connected via pass-through server %s\n",
                    141:                                    gateserver);
                    142:                }
                    143:
1.1       millert   144:                connected = 1;
                    145:                /*
                    146:                 * Set up defaults for FTP.
                    147:                 */
1.33      deraadt   148:                (void)strlcpy(formname, "non-print", sizeof formname);
                    149:                form = FORM_N;
                    150:                (void)strlcpy(modename, "stream", sizeof modename);
                    151:                mode = MODE_S;
                    152:                (void)strlcpy(structname, "file", sizeof structname);
                    153:                stru = STRU_F;
                    154:                (void)strlcpy(bytename, "8", sizeof bytename);
                    155:                bytesize = 8;
                    156:
1.25      millert   157:                /*
                    158:                 * Set type to 0 (not specified by user),
                    159:                 * meaning binary by default, but don't bother
                    160:                 * telling server.  We can use binary
                    161:                 * for text files unless changed by the user.
                    162:                 */
1.33      deraadt   163:                (void)strlcpy(typename, "binary", sizeof typename);
1.25      millert   164:                curtype = TYPE_A;
                    165:                type = 0;
1.1       millert   166:                if (autologin)
1.31      fgsch     167:                        (void)ftp_login(argv[1], NULL, NULL);
1.1       millert   168:
1.2       millert   169: #if (defined(unix) || defined(BSD)) && NBBY == 8
                    170: /*
                    171:  * this ifdef is to keep someone form "porting" this to an incompatible
                    172:  * system and not checking this out. This way they have to think about it.
                    173:  */
1.1       millert   174:                overbose = verbose;
1.54      martynas  175: #ifndef SMALL
                    176:                if (!debug)
                    177: #endif /* !SMALL */
1.1       millert   178:                        verbose = -1;
                    179:                if (command("SYST") == COMPLETE && overbose) {
                    180:                        char *cp, c;
                    181:                        c = 0;
1.4       millert   182:                        cp = strchr(reply_string + 4, ' ');
1.1       millert   183:                        if (cp == NULL)
1.4       millert   184:                                cp = strchr(reply_string + 4, '\r');
1.1       millert   185:                        if (cp) {
                    186:                                if (cp[-1] == '.')
                    187:                                        cp--;
                    188:                                c = *cp;
                    189:                                *cp = '\0';
                    190:                        }
                    191:
1.7       deraadt   192:                        fprintf(ttyout, "Remote system type is %s.\n", reply_string + 4);
1.1       millert   193:                        if (cp)
                    194:                                *cp = c;
                    195:                }
                    196:                if (!strncmp(reply_string, "215 UNIX Type: L8", 17)) {
                    197:                        if (proxy)
                    198:                                unix_proxy = 1;
                    199:                        else
                    200:                                unix_server = 1;
                    201:                        if (overbose)
1.7       deraadt   202:                                fprintf(ttyout, "Using %s mode to transfer files.\n",
                    203:                                    typename);
1.1       millert   204:                } else {
                    205:                        if (proxy)
                    206:                                unix_proxy = 0;
                    207:                        else
                    208:                                unix_server = 0;
                    209:                        if (overbose &&
                    210:                            !strncmp(reply_string, "215 TOPS20", 10))
1.7       deraadt   211:                                fputs(
                    212: "Remember to set tenex mode when transferring binary files from this machine.\n",
                    213:                                    ttyout);
1.1       millert   214:                }
                    215:                verbose = overbose;
1.2       millert   216: #endif /* unix || BSD */
1.1       millert   217:        }
1.6       millert   218: }
                    219:
                    220: /*
                    221:  * login to remote host, using given username & password if supplied
                    222:  */
                    223: int
1.38      deraadt   224: ftp_login(const char *host, char *user, char *pass)
1.6       millert   225: {
1.43      ray       226:        char tmp[80], *acctname = NULL, host_name[MAXHOSTNAMELEN];
1.6       millert   227:        char anonpass[MAXLOGNAME + 1 + MAXHOSTNAMELEN]; /* "user@hostname" */
1.40      deraadt   228:        int n, aflag = 0, retry = 0;
1.14      millert   229:        struct passwd *pw;
1.6       millert   230:
1.46      pyr       231: #ifndef SMALL
1.6       millert   232:        if (user == NULL) {
1.43      ray       233:                if (ruserpass(host, &user, &pass, &acctname) < 0) {
1.6       millert   234:                        code = -1;
                    235:                        return (0);
                    236:                }
                    237:        }
1.52      martynas  238: #endif /* !SMALL */
1.6       millert   239:
                    240:        /*
                    241:         * Set up arguments for an anonymous FTP session, if necessary.
                    242:         */
                    243:        if ((user == NULL || pass == NULL) && anonftp) {
                    244:                memset(anonpass, 0, sizeof(anonpass));
1.43      ray       245:                memset(host_name, 0, sizeof(host_name));
1.6       millert   246:
                    247:                /*
                    248:                 * Set up anonymous login password.
                    249:                 */
1.14      millert   250:                if ((user = getlogin()) == NULL) {
                    251:                        if ((pw = getpwuid(getuid())) == NULL)
                    252:                                user = "anonymous";
                    253:                        else
                    254:                                user = pw->pw_name;
                    255:                }
1.43      ray       256:                gethostname(host_name, sizeof(host_name));
1.6       millert   257: #ifndef DONT_CHEAT_ANONPASS
                    258:                /*
                    259:                 * Every anonymous FTP server I've encountered
                    260:                 * will accept the string "username@", and will
                    261:                 * append the hostname itself.  We do this by default
                    262:                 * since many servers are picky about not having
                    263:                 * a FQDN in the anonymous password. - thorpej@netbsd.org
                    264:                 */
                    265:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@",
                    266:                    user);
                    267: #else
                    268:                snprintf(anonpass, sizeof(anonpass) - 1, "%s@%s",
                    269:                    user, hp->h_name);
                    270: #endif
                    271:                pass = anonpass;
1.11      millert   272:                user = "anonymous";     /* as per RFC 1635 */
1.8       jkatz     273:        }
                    274:
                    275: tryagain:
1.9       millert   276:        if (retry)
1.11      millert   277:                user = "ftp";           /* some servers only allow "ftp" */
1.8       jkatz     278:
1.6       millert   279:        while (user == NULL) {
                    280:                char *myname = getlogin();
                    281:
1.14      millert   282:                if (myname == NULL && (pw = getpwuid(getuid())) != NULL)
                    283:                        myname = pw->pw_name;
1.6       millert   284:                if (myname)
1.7       deraadt   285:                        fprintf(ttyout, "Name (%s:%s): ", host, myname);
1.6       millert   286:                else
1.7       deraadt   287:                        fprintf(ttyout, "Name (%s): ", host);
1.44      ray       288:                user = myname;
1.45      ray       289:                if (fgets(tmp, sizeof(tmp), stdin) != NULL) {
1.47      gilles    290:                        tmp[strcspn(tmp, "\n")] = '\0';
1.44      ray       291:                        if (tmp[0] != '\0')
                    292:                                user = tmp;
                    293:                }
1.49      martynas  294:                else
                    295:                        exit(0);
1.6       millert   296:        }
                    297:        n = command("USER %s", user);
                    298:        if (n == CONTINUE) {
                    299:                if (pass == NULL)
                    300:                        pass = getpass("Password:");
                    301:                n = command("PASS %s", pass);
                    302:        }
                    303:        if (n == CONTINUE) {
                    304:                aflag++;
1.43      ray       305:                if (acctname == NULL)
                    306:                        acctname = getpass("Account:");
                    307:                n = command("ACCT %s", acctname);
1.6       millert   308:        }
                    309:        if ((n != COMPLETE) ||
1.43      ray       310:            (!aflag && acctname != NULL && command("ACCT %s", acctname) != COMPLETE)) {
1.63      deraadt   311:                warnx("Login %s failed.", user);
1.9       millert   312:                if (retry || !anonftp)
1.8       jkatz     313:                        return (0);
1.9       millert   314:                else
                    315:                        retry = 1;
1.8       jkatz     316:                goto tryagain;
1.6       millert   317:        }
                    318:        if (proxy)
                    319:                return (1);
                    320:        connected = -1;
1.61      martynas  321: #ifndef SMALL
1.6       millert   322:        for (n = 0; n < macnum; ++n) {
                    323:                if (!strcmp("init", macros[n].mac_name)) {
1.33      deraadt   324:                        (void)strlcpy(line, "$init", sizeof line);
1.6       millert   325:                        makeargv();
                    326:                        domacro(margc, margv);
                    327:                        break;
                    328:                }
                    329:        }
1.61      martynas  330: #endif /* SMALL */
1.6       millert   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:  */
1.62      martynas  340: #ifndef SMALL
1.1       millert   341: int
1.38      deraadt   342: another(int *pargc, char ***pargv, const char *prompt)
1.1       millert   343: {
                    344:        int len = strlen(line), ret;
                    345:
                    346:        if (len >= sizeof(line) - 3) {
1.7       deraadt   347:                fputs("sorry, arguments too long.\n", ttyout);
1.1       millert   348:                intr();
                    349:        }
1.7       deraadt   350:        fprintf(ttyout, "(%s) ", prompt);
1.1       millert   351:        line[len++] = ' ';
1.49      martynas  352:        if (fgets(&line[len], (int)(sizeof(line) - len), stdin) == NULL) {
                    353:                clearerr(stdin);
1.1       millert   354:                intr();
1.49      martynas  355:        }
1.1       millert   356:        len += strlen(&line[len]);
                    357:        if (len > 0 && line[len - 1] == '\n')
                    358:                line[len - 1] = '\0';
                    359:        makeargv();
                    360:        ret = margc > *pargc;
                    361:        *pargc = margc;
                    362:        *pargv = margv;
                    363:        return (ret);
                    364: }
1.62      martynas  365: #endif /* !SMALL */
1.1       millert   366:
1.4       millert   367: /*
                    368:  * glob files given in argv[] from the remote server.
                    369:  * if errbuf isn't NULL, store error messages there instead
                    370:  * of writing to the screen.
1.54      martynas  371:  * if type isn't NULL, use LIST instead of NLST, and store filetype.
                    372:  * 'd' means directory, 's' means symbolic link, '-' means plain
                    373:  * file.
1.4       millert   374:  */
1.1       millert   375: char *
1.54      martynas  376: remglob2(char *argv[], int doswitch, char **errbuf, FILE **ftemp, char *type)
1.1       millert   377: {
1.54      martynas  378:        char temp[MAXPATHLEN], *bufp, *cp, *lmode;
1.40      deraadt   379:        static char buf[MAXPATHLEN], **args;
                    380:        int oldverbose, oldhash, fd;
                    381:
                    382:        if (!mflag) {
                    383:                if (!doglob)
                    384:                        args = NULL;
                    385:                else {
1.54      martynas  386:                        if (*ftemp) {
                    387:                                (void)fclose(*ftemp);
                    388:                                *ftemp = NULL;
1.40      deraadt   389:                        }
                    390:                }
                    391:                return (NULL);
                    392:        }
                    393:        if (!doglob) {
                    394:                if (args == NULL)
                    395:                        args = argv;
                    396:                if ((cp = *++args) == NULL)
                    397:                        args = NULL;
                    398:                return (cp);
                    399:        }
1.54      martynas  400:        if (*ftemp == NULL) {
1.3       millert   401:                int len;
                    402:
1.32      millert   403:                if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
1.3       millert   404:                    cp = _PATH_TMP;
                    405:                len = strlen(cp);
                    406:                if (len + sizeof(TMPFILE) + (cp[len-1] != '/') > sizeof(temp)) {
                    407:                        warnx("unable to create temporary file: %s",
                    408:                            strerror(ENAMETOOLONG));
                    409:                        return (NULL);
                    410:                }
                    411:
1.33      deraadt   412:                (void)strlcpy(temp, cp, sizeof temp);
1.3       millert   413:                if (temp[len-1] != '/')
                    414:                        temp[len++] = '/';
1.33      deraadt   415:                (void)strlcpy(&temp[len], TMPFILE, sizeof temp - len);
1.40      deraadt   416:                if ((fd = mkstemp(temp)) < 0) {
1.58      sthen     417:                        warn("unable to create temporary file: %s", temp);
1.40      deraadt   418:                        return (NULL);
                    419:                }
                    420:                close(fd);
1.4       millert   421:                oldverbose = verbose;
                    422:                verbose = (errbuf != NULL) ? -1 : 0;
                    423:                oldhash = hash;
                    424:                hash = 0;
1.40      deraadt   425:                if (doswitch)
                    426:                        pswitch(!proxy);
1.43      ray       427:                for (lmode = "w"; *++argv != NULL; lmode = "a")
1.54      martynas  428:                        recvrequest(type ? "LIST" : "NLST", temp, *argv, lmode,
                    429:                            0, 0);
1.4       millert   430:                if ((code / 100) != COMPLETE) {
                    431:                        if (errbuf != NULL)
                    432:                                *errbuf = reply_string;
                    433:                }
                    434:                if (doswitch)
                    435:                        pswitch(!proxy);
1.40      deraadt   436:                verbose = oldverbose;
1.4       millert   437:                hash = oldhash;
1.54      martynas  438:                *ftemp = fopen(temp, "r");
1.40      deraadt   439:                (void)unlink(temp);
1.54      martynas  440:                if (*ftemp == NULL) {
1.4       millert   441:                        if (errbuf == NULL)
1.7       deraadt   442:                                fputs("can't find list of remote files, oops.\n",
                    443:                                    ttyout);
1.4       millert   444:                        else
                    445:                                *errbuf =
                    446:                                    "can't find list of remote files, oops.";
1.40      deraadt   447:                        return (NULL);
                    448:                }
                    449:        }
1.54      martynas  450: again:
                    451:        if (fgets(buf, sizeof(buf), *ftemp) == NULL) {
                    452:                (void)fclose(*ftemp);
                    453:                *ftemp = NULL;
1.40      deraadt   454:                return (NULL);
                    455:        }
1.47      gilles    456:
                    457:        buf[strcspn(buf, "\n")] = '\0';
1.54      martynas  458:        bufp = buf;
                    459:
                    460: #ifndef SMALL
                    461:        if (type) {
                    462:                parse_list(&bufp, type);
1.56      martynas  463:                if (!bufp ||
                    464:                    (bufp[0] == '.' &&  /* LIST defaults to -a on some ftp */
                    465:                    (bufp[1] == '\0' || /* servers.  Ignore '.' and '..'. */
                    466:                    (bufp[1] == '.' && bufp[2] == '\0'))))
1.54      martynas  467:                        goto again;
                    468:        }
                    469: #endif /* !SMALL */
                    470:
                    471:        return (bufp);
                    472: }
                    473:
                    474: /*
                    475:  * wrapper for remglob2
                    476:  */
                    477: char *
                    478: remglob(char *argv[], int doswitch, char **errbuf)
                    479: {
                    480:        static FILE *ftemp = NULL;
1.47      gilles    481:
1.54      martynas  482:        return remglob2(argv, doswitch, errbuf, &ftemp, NULL);
1.1       millert   483: }
                    484:
1.62      martynas  485: #ifndef SMALL
1.1       millert   486: int
1.54      martynas  487: confirm(const char *cmd, const char *file)
1.1       millert   488: {
1.43      ray       489:        char str[BUFSIZ];
1.1       millert   490:
1.54      martynas  491:        if (file && (confirmrest || !interactive))
1.1       millert   492:                return (1);
1.16      deraadt   493: top:
1.54      martynas  494:        if (file)
                    495:                fprintf(ttyout, "%s %s? ", cmd, file);
                    496:        else
                    497:                fprintf(ttyout, "Continue with %s? ", cmd);
1.7       deraadt   498:        (void)fflush(ttyout);
1.51      martynas  499:        if (fgets(str, sizeof(str), stdin) == NULL)
                    500:                goto quit;
1.43      ray       501:        switch (tolower(*str)) {
1.51      martynas  502:                case '?':
                    503:                        fprintf(ttyout,
                    504:                            "?  help\n"
                    505:                            "a  answer yes to all\n"
                    506:                            "n  answer no\n"
                    507:                            "p  turn off prompt mode\n"
                    508:                            "q  answer no to all\n"
                    509:                            "y  answer yes\n");
                    510:                        goto top;
                    511:                case 'a':
                    512:                        confirmrest = 1;
                    513:                        fprintf(ttyout, "Prompting off for duration of %s.\n",
                    514:                            cmd);
                    515:                        break;
1.1       millert   516:                case 'n':
                    517:                        return (0);
                    518:                case 'p':
                    519:                        interactive = 0;
1.7       deraadt   520:                        fputs("Interactive mode: off.\n", ttyout);
1.1       millert   521:                        break;
1.51      martynas  522:                case 'q':
                    523: quit:
                    524:                        mflag = 0;
                    525:                        clearerr(stdin);
                    526:                        return (0);
1.12      jkatz     527:                case 'y':
                    528:                        return(1);
                    529:                        break;
                    530:                default:
1.51      martynas  531:                        fprintf(ttyout, "?, a, n, p, q, y "
                    532:                            "are the only acceptable commands!\n");
1.16      deraadt   533:                        goto top;
1.1       millert   534:                        break;
                    535:        }
                    536:        return (1);
                    537: }
1.62      martynas  538: #endif /* !SMALL */
1.1       millert   539:
                    540: /*
                    541:  * Glob a local file name specification with
                    542:  * the expectation of a single return value.
                    543:  * Can't control multiple values being expanded
                    544:  * from the expression, we return only the first.
                    545:  */
                    546: int
1.38      deraadt   547: globulize(char **cpp)
1.1       millert   548: {
                    549:        glob_t gl;
                    550:        int flags;
                    551:
                    552:        if (!doglob)
                    553:                return (1);
                    554:
                    555:        flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
                    556:        memset(&gl, 0, sizeof(gl));
                    557:        if (glob(*cpp, flags, NULL, &gl) ||
                    558:            gl.gl_pathc == 0) {
                    559:                warnx("%s: not found", *cpp);
                    560:                globfree(&gl);
                    561:                return (0);
                    562:        }
1.13      millert   563:                /* XXX: caller should check if *cpp changed, and
                    564:                 *      free(*cpp) if that is the case
                    565:                 */
                    566:        *cpp = strdup(gl.gl_pathv[0]);
1.30      deraadt   567:        if (*cpp == NULL)
                    568:                err(1, NULL);
1.1       millert   569:        globfree(&gl);
                    570:        return (1);
                    571: }
                    572:
                    573: /*
                    574:  * determine size of remote file
                    575:  */
                    576: off_t
1.38      deraadt   577: remotesize(const char *file, int noisy)
1.1       millert   578: {
                    579:        int overbose;
                    580:        off_t size;
                    581:
                    582:        overbose = verbose;
                    583:        size = -1;
1.54      martynas  584: #ifndef SMALL
                    585:        if (!debug)
                    586: #endif /* !SMALL */
1.1       millert   587:                verbose = -1;
1.11      millert   588:        if (command("SIZE %s", file) == COMPLETE) {
                    589:                char *cp, *ep;
                    590:
                    591:                cp = strchr(reply_string, ' ');
                    592:                if (cp != NULL) {
                    593:                        cp++;
                    594:                        size = strtoq(cp, &ep, 10);
                    595:                        if (*ep != '\0' && !isspace(*ep))
                    596:                                size = -1;
                    597:                }
1.54      martynas  598:        } else if (noisy
                    599: #ifndef SMALL
                    600:            && !debug
                    601: #endif /* !SMALL */
                    602:            ) {
1.7       deraadt   603:                fputs(reply_string, ttyout);
1.11      millert   604:                fputc('\n', ttyout);
1.7       deraadt   605:        }
1.1       millert   606:        verbose = overbose;
                    607:        return (size);
                    608: }
                    609:
                    610: /*
                    611:  * determine last modification time (in GMT) of remote file
                    612:  */
                    613: time_t
1.38      deraadt   614: remotemodtime(const char *file, int noisy)
1.1       millert   615: {
                    616:        int overbose;
                    617:        time_t rtime;
1.15      millert   618:        int ocode;
1.1       millert   619:
                    620:        overbose = verbose;
1.15      millert   621:        ocode = code;
1.1       millert   622:        rtime = -1;
1.54      martynas  623: #ifndef SMALL
                    624:        if (!debug)
                    625: #endif /* !SMALL */
1.1       millert   626:                verbose = -1;
                    627:        if (command("MDTM %s", file) == COMPLETE) {
                    628:                struct tm timebuf;
                    629:                int yy, mo, day, hour, min, sec;
1.23      espie     630:                /*
                    631:                 * time-val = 14DIGIT [ "." 1*DIGIT ]
                    632:                 *              YYYYMMDDHHMMSS[.sss]
                    633:                 * mdtm-response = "213" SP time-val CRLF / error-response
                    634:                 */
                    635:                /* TODO: parse .sss as well, use timespecs. */
                    636:                char *timestr = reply_string;
                    637:
                    638:                /* Repair `19%02d' bug on server side */
                    639:                while (!isspace(*timestr))
                    640:                        timestr++;
                    641:                while (isspace(*timestr))
                    642:                        timestr++;
                    643:                if (strncmp(timestr, "191", 3) == 0) {
                    644:                        fprintf(ttyout,
                    645:            "Y2K warning! Fixed incorrect time-val received from server.\n");
                    646:                        timestr[0] = ' ';
                    647:                        timestr[1] = '2';
                    648:                        timestr[2] = '0';
                    649:                }
1.1       millert   650:                sscanf(reply_string, "%*s %04d%02d%02d%02d%02d%02d", &yy, &mo,
                    651:                        &day, &hour, &min, &sec);
                    652:                memset(&timebuf, 0, sizeof(timebuf));
                    653:                timebuf.tm_sec = sec;
                    654:                timebuf.tm_min = min;
                    655:                timebuf.tm_hour = hour;
                    656:                timebuf.tm_mday = day;
                    657:                timebuf.tm_mon = mo - 1;
1.17      deraadt   658:                timebuf.tm_year = yy - TM_YEAR_BASE;
1.1       millert   659:                timebuf.tm_isdst = -1;
                    660:                rtime = mktime(&timebuf);
1.54      martynas  661:                if (rtime == -1 && (noisy
                    662: #ifndef SMALL
                    663:                    || debug
                    664: #endif /* !SMALL */
                    665:                    ))
1.7       deraadt   666:                        fprintf(ttyout, "Can't convert %s to a time.\n", reply_string);
1.1       millert   667:                else
                    668:                        rtime += timebuf.tm_gmtoff;     /* conv. local -> GMT */
1.54      martynas  669:        } else if (noisy
                    670: #ifndef SMALL
                    671:            && !debug
                    672: #endif /* !SMALL */
                    673:            ) {
1.7       deraadt   674:                fputs(reply_string, ttyout);
1.11      millert   675:                fputc('\n', ttyout);
1.7       deraadt   676:        }
1.1       millert   677:        verbose = overbose;
1.15      millert   678:        if (rtime == -1)
                    679:                code = ocode;
1.1       millert   680:        return (rtime);
                    681: }
1.41      otto      682:
                    683: /*
                    684:  * Ensure file is in or under dir.
                    685:  * Returns 1 if so, 0 if not (or an error occurred).
                    686:  */
                    687: int
                    688: fileindir(const char *file, const char *dir)
                    689: {
                    690:        char    parentdirbuf[MAXPATHLEN], *parentdir;
                    691:        char    realdir[MAXPATHLEN];
                    692:        size_t  dirlen;
                    693:
                    694:                                        /* determine parent directory of file */
                    695:        (void)strlcpy(parentdirbuf, file, sizeof(parentdirbuf));
                    696:        parentdir = dirname(parentdirbuf);
                    697:        if (strcmp(parentdir, ".") == 0)
                    698:                return 1;               /* current directory is ok */
                    699:
                    700:                                        /* find the directory */
                    701:        if (realpath(parentdir, realdir) == NULL) {
                    702:                warn("Unable to determine real path of `%s'", parentdir);
                    703:                return 0;
                    704:        }
                    705:        if (realdir[0] != '/')          /* relative result is ok */
                    706:                return 1;
                    707:
                    708:        dirlen = strlen(dir);
                    709:        if (strncmp(realdir, dir, dirlen) == 0 &&
                    710:            (realdir[dirlen] == '/' || realdir[dirlen] == '\0'))
                    711:                return 1;
                    712:        return 0;
                    713: }
                    714:
1.1       millert   715:
1.10      millert   716: /*
                    717:  * Returns true if this is the controlling/foreground process, else false.
                    718:  */
                    719: int
1.38      deraadt   720: foregroundproc(void)
1.10      millert   721: {
                    722:        static pid_t pgrp = -1;
                    723:        int ctty_pgrp;
                    724:
                    725:        if (pgrp == -1)
                    726:                pgrp = getpgrp();
                    727:
                    728:        return((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
                    729:            ctty_pgrp == pgrp));
                    730: }
                    731:
1.39      deraadt   732: /* ARGSUSED */
1.20      millert   733: static void
1.39      deraadt   734: updateprogressmeter(int signo)
1.1       millert   735: {
1.19      deraadt   736:        int save_errno = errno;
1.1       millert   737:
1.20      millert   738:        /* update progressmeter if foreground process or in -m mode */
                    739:        if (foregroundproc() || progress == -1)
1.59      martynas  740:                progressmeter(0, NULL);
1.19      deraadt   741:        errno = save_errno;
1.1       millert   742: }
                    743:
                    744: /*
                    745:  * Display a transfer progress bar if progress is non-zero.
                    746:  * SIGALRM is hijacked for use by this function.
                    747:  * - Before the transfer, set filesize to size of file (or -1 if unknown),
                    748:  *   and call with flag = -1. This starts the once per second timer,
                    749:  *   and a call to updateprogressmeter() upon SIGALRM.
                    750:  * - During the transfer, updateprogressmeter will call progressmeter
                    751:  *   with flag = 0
                    752:  * - After the transfer, call with flag = 1
                    753:  */
                    754: static struct timeval start;
                    755:
                    756: void
1.59      martynas  757: progressmeter(int flag, const char *filename)
1.1       millert   758: {
                    759:        /*
                    760:         * List of order of magnitude prefixes.
                    761:         * The last is `P', as 2^64 = 16384 Petabytes
                    762:         */
                    763:        static const char prefixes[] = " KMGTP";
                    764:
                    765:        static struct timeval lastupdate;
                    766:        static off_t lastsize;
1.59      martynas  767:        static char *title = NULL;
1.1       millert   768:        struct timeval now, td, wait;
                    769:        off_t cursize, abbrevsize;
                    770:        double elapsed;
1.57      deraadt   771:        int ratio, barlength, i, remaining, overhead = 30;
1.29      deraadt   772:        char buf[512];
1.1       millert   773:
                    774:        if (flag == -1) {
1.2       millert   775:                (void)gettimeofday(&start, (struct timezone *)0);
1.1       millert   776:                lastupdate = start;
                    777:                lastsize = restart_point;
                    778:        }
1.2       millert   779:        (void)gettimeofday(&now, (struct timezone *)0);
1.24      deraadt   780:        if (!progress || filesize < 0)
1.1       millert   781:                return;
                    782:        cursize = bytes + restart_point;
                    783:
1.24      deraadt   784:        if (filesize)
                    785:                ratio = cursize * 100 / filesize;
                    786:        else
                    787:                ratio = 100;
1.1       millert   788:        ratio = MAX(ratio, 0);
                    789:        ratio = MIN(ratio, 100);
1.59      martynas  790:        if (!verbose && flag == -1) {
                    791:                filename = basename(filename);
                    792:                if (filename != NULL)
                    793:                        title = strdup(filename);
                    794:        }
                    795:        if (!verbose && title != NULL) {
1.57      deraadt   796:                int l = strlen(title);
                    797:                char *dotdot = "";
                    798:
                    799:                if (l < 12)
                    800:                        l = 12;
                    801:                else if (l > 25) {
                    802:                        l = 22;
                    803:                        dotdot = "...";
                    804:                        overhead += 3;
                    805:                }
                    806:                snprintf(buf, sizeof(buf), "\r%-*.*s%s %3d%% ", l, l, title,
                    807:                    dotdot, ratio);
                    808:                overhead += l + 1;
1.59      martynas  809:        } else
1.57      deraadt   810:                snprintf(buf, sizeof(buf), "\r%3d%% ", ratio);
1.1       millert   811:
1.57      deraadt   812:        barlength = ttywidth - overhead;
1.1       millert   813:        if (barlength > 0) {
                    814:                i = barlength * ratio / 100;
                    815:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    816:                    "|%.*s%*s|", i,
1.29      deraadt   817:                    "*******************************************************"
                    818:                    "*******************************************************"
                    819:                    "*******************************************************"
                    820:                    "*******************************************************"
                    821:                    "*******************************************************"
                    822:                    "*******************************************************"
                    823:                    "*******************************************************",
1.1       millert   824:                    barlength - i, "");
                    825:        }
                    826:
                    827:        i = 0;
                    828:        abbrevsize = cursize;
1.64    ! deraadt   829:        while (abbrevsize >= 100000 && i < sizeof(prefixes)-1) {
1.1       millert   830:                i++;
                    831:                abbrevsize >>= 10;
                    832:        }
                    833:        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1.26      deraadt   834:            " %5lld %c%c ", (long long)abbrevsize, prefixes[i],
1.1       millert   835:            prefixes[i] == ' ' ? ' ' : 'B');
                    836:
                    837:        timersub(&now, &lastupdate, &wait);
                    838:        if (cursize > lastsize) {
                    839:                lastupdate = now;
                    840:                lastsize = cursize;
                    841:                if (wait.tv_sec >= STALLTIME) { /* fudge out stalled time */
                    842:                        start.tv_sec += wait.tv_sec;
                    843:                        start.tv_usec += wait.tv_usec;
                    844:                }
                    845:                wait.tv_sec = 0;
                    846:        }
                    847:
                    848:        timersub(&now, &start, &td);
                    849:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    850:
1.24      deraadt   851:        if (flag == 1) {
                    852:                i = (int)elapsed / 3600;
                    853:                if (i)
                    854:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    855:                            "%2d:", i);
                    856:                else
                    857:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    858:                            "   ");
                    859:                i = (int)elapsed % 3600;
                    860:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    861:                    "%02d:%02d    ", i / 60, i % 60);
                    862:        } else if (bytes <= 0 || elapsed <= 0.0 || cursize > filesize) {
1.1       millert   863:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    864:                    "   --:-- ETA");
                    865:        } else if (wait.tv_sec >= STALLTIME) {
                    866:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    867:                    " - stalled -");
                    868:        } else {
                    869:                remaining = (int)((filesize - restart_point) /
                    870:                                  (bytes / elapsed) - elapsed);
                    871:                i = remaining / 3600;
                    872:                if (i)
                    873:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    874:                            "%2d:", i);
                    875:                else
                    876:                        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    877:                            "   ");
                    878:                i = remaining % 3600;
                    879:                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
                    880:                    "%02d:%02d ETA", i / 60, i % 60);
                    881:        }
1.7       deraadt   882:        (void)write(fileno(ttyout), buf, strlen(buf));
1.1       millert   883:
                    884:        if (flag == -1) {
1.2       millert   885:                (void)signal(SIGALRM, updateprogressmeter);
1.1       millert   886:                alarmtimer(1);          /* set alarm timer for 1 Hz */
                    887:        } else if (flag == 1) {
                    888:                alarmtimer(0);
1.7       deraadt   889:                (void)putc('\n', ttyout);
1.59      martynas  890:                if (title != NULL) {
                    891:                        free(title);
                    892:                        title = NULL;
                    893:                }
1.1       millert   894:        }
1.7       deraadt   895:        fflush(ttyout);
1.1       millert   896: }
                    897:
                    898: /*
                    899:  * Display transfer statistics.
                    900:  * Requires start to be initialised by progressmeter(-1),
                    901:  * direction to be defined by xfer routines, and filesize and bytes
                    902:  * to be updated by xfer routines
                    903:  * If siginfo is nonzero, an ETA is displayed, and the output goes to STDERR
1.7       deraadt   904:  * instead of TTYOUT.
1.1       millert   905:  */
                    906: void
1.38      deraadt   907: ptransfer(int siginfo)
1.1       millert   908: {
                    909:        struct timeval now, td;
                    910:        double elapsed;
                    911:        off_t bs;
                    912:        int meg, remaining, hh;
                    913:        char buf[100];
                    914:
                    915:        if (!verbose && !siginfo)
                    916:                return;
                    917:
1.2       millert   918:        (void)gettimeofday(&now, (struct timezone *)0);
1.1       millert   919:        timersub(&now, &start, &td);
                    920:        elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
                    921:        bs = bytes / (elapsed == 0.0 ? 1 : elapsed);
                    922:        meg = 0;
                    923:        if (bs > (1024 * 1024))
                    924:                meg = 1;
                    925:        (void)snprintf(buf, sizeof(buf),
1.26      deraadt   926:            "%lld byte%s %s in %.2f seconds (%.2f %sB/s)\n",
                    927:            (long long)bytes, bytes == 1 ? "" : "s", direction, elapsed,
1.1       millert   928:            bs / (1024.0 * (meg ? 1024.0 : 1.0)), meg ? "M" : "K");
1.11      millert   929:        if (siginfo && bytes > 0 && elapsed > 0.0 && filesize >= 0
                    930:            && bytes + restart_point <= filesize) {
1.1       millert   931:                remaining = (int)((filesize - restart_point) /
                    932:                                  (bytes / elapsed) - elapsed);
                    933:                hh = remaining / 3600;
                    934:                remaining %= 3600;
1.11      millert   935:                        /* "buf+len(buf) -1" to overwrite \n */
1.1       millert   936:                snprintf(buf + strlen(buf) - 1, sizeof(buf) - strlen(buf),
                    937:                    "  ETA: %02d:%02d:%02d\n", hh, remaining / 60,
                    938:                    remaining % 60);
                    939:        }
1.7       deraadt   940:        (void)write(siginfo ? STDERR_FILENO : fileno(ttyout), buf, strlen(buf));
1.1       millert   941: }
                    942:
                    943: /*
                    944:  * List words in stringlist, vertically arranged
                    945:  */
1.62      martynas  946: #ifndef SMALL
1.1       millert   947: void
1.38      deraadt   948: list_vertical(StringList *sl)
1.1       millert   949: {
                    950:        int i, j, w;
1.39      deraadt   951:        int columns, width, lines;
1.1       millert   952:        char *p;
                    953:
1.39      deraadt   954:        width = 0;
1.1       millert   955:
                    956:        for (i = 0 ; i < sl->sl_cur ; i++) {
                    957:                w = strlen(sl->sl_str[i]);
                    958:                if (w > width)
                    959:                        width = w;
                    960:        }
                    961:        width = (width + 8) &~ 7;
                    962:
                    963:        columns = ttywidth / width;
                    964:        if (columns == 0)
                    965:                columns = 1;
                    966:        lines = (sl->sl_cur + columns - 1) / columns;
                    967:        for (i = 0; i < lines; i++) {
                    968:                for (j = 0; j < columns; j++) {
                    969:                        p = sl->sl_str[j * lines + i];
                    970:                        if (p)
1.7       deraadt   971:                                fputs(p, ttyout);
1.1       millert   972:                        if (j * lines + i + lines >= sl->sl_cur) {
1.7       deraadt   973:                                putc('\n', ttyout);
1.1       millert   974:                                break;
                    975:                        }
                    976:                        w = strlen(p);
                    977:                        while (w < width) {
                    978:                                w = (w + 8) &~ 7;
1.7       deraadt   979:                                (void)putc('\t', ttyout);
1.1       millert   980:                        }
                    981:                }
                    982:        }
                    983: }
1.62      martynas  984: #endif /* !SMALL */
1.1       millert   985:
                    986: /*
                    987:  * Update the global ttywidth value, using TIOCGWINSZ.
                    988:  */
1.39      deraadt   989: /* ARGSUSED */
1.1       millert   990: void
1.39      deraadt   991: setttywidth(int signo)
1.1       millert   992: {
1.19      deraadt   993:        int save_errno = errno;
1.1       millert   994:        struct winsize winsize;
                    995:
1.7       deraadt   996:        if (ioctl(fileno(ttyout), TIOCGWINSZ, &winsize) != -1)
1.21      deraadt   997:                ttywidth = winsize.ws_col ? winsize.ws_col : 80;
1.1       millert   998:        else
                    999:                ttywidth = 80;
1.19      deraadt  1000:        errno = save_errno;
1.1       millert  1001: }
                   1002:
                   1003: /*
                   1004:  * Set the SIGALRM interval timer for wait seconds, 0 to disable.
                   1005:  */
                   1006: void
1.38      deraadt  1007: alarmtimer(int wait)
1.1       millert  1008: {
                   1009:        struct itimerval itv;
                   1010:
                   1011:        itv.it_value.tv_sec = wait;
                   1012:        itv.it_value.tv_usec = 0;
                   1013:        itv.it_interval = itv.it_value;
                   1014:        setitimer(ITIMER_REAL, &itv, NULL);
                   1015: }
1.5       millert  1016:
                   1017: /*
                   1018:  * Setup or cleanup EditLine structures
                   1019:  */
                   1020: #ifndef SMALL
                   1021: void
1.38      deraadt  1022: controlediting(void)
1.5       millert  1023: {
1.36      otto     1024:        HistEvent hev;
                   1025:
1.5       millert  1026:        if (editing && el == NULL && hist == NULL) {
1.36      otto     1027:                el = el_init(__progname, stdin, ttyout, stderr); /* init editline */
1.5       millert  1028:                hist = history_init();          /* init the builtin history */
1.36      otto     1029:                history(hist, &hev, H_SETSIZE, 100);    /* remember 100 events */
1.5       millert  1030:                el_set(el, EL_HIST, history, hist);     /* use history */
                   1031:
                   1032:                el_set(el, EL_EDITOR, "emacs"); /* default editor is emacs */
                   1033:                el_set(el, EL_PROMPT, prompt);  /* set the prompt function */
                   1034:
                   1035:                /* add local file completion, bind to TAB */
                   1036:                el_set(el, EL_ADDFN, "ftp-complete",
                   1037:                    "Context sensitive argument completion",
                   1038:                    complete);
                   1039:                el_set(el, EL_BIND, "^I", "ftp-complete", NULL);
                   1040:
                   1041:                el_source(el, NULL);    /* read ~/.editrc */
                   1042:                el_set(el, EL_SIGNAL, 1);
                   1043:        } else if (!editing) {
                   1044:                if (hist) {
                   1045:                        history_end(hist);
                   1046:                        hist = NULL;
                   1047:                }
                   1048:                if (el) {
                   1049:                        el_end(el);
                   1050:                        el = NULL;
                   1051:                }
                   1052:        }
                   1053: }
                   1054: #endif /* !SMALL */
1.62      martynas 1055: