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Annotation of src/usr.bin/finger/lprint.c, Revision 1.2

1.2     ! deraadt     1: /*     $OpenBSD$       */
        !             2:
1.1       deraadt     3: /*
                      4:  * Copyright (c) 1989 The Regents of the University of California.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. All advertising materials mentioning features or use of this software
                     19:  *    must display the following acknowledgement:
                     20:  *     This product includes software developed by the University of
                     21:  *     California, Berkeley and its contributors.
                     22:  * 4. Neither the name of the University nor the names of its contributors
                     23:  *    may be used to endorse or promote products derived from this software
                     24:  *    without specific prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     27:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     28:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     29:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     30:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     31:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     32:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  */
                     38:
                     39: #ifndef lint
                     40: /*static char sccsid[] = "from: @(#)lprint.c   5.13 (Berkeley) 10/31/90";*/
1.2     ! deraadt    41: static char rcsid[] = "$OpenBSD: lprint.c,v 1.1.1.1 1995/10/18 08:45:14 deraadt Exp $";
1.1       deraadt    42: #endif /* not lint */
                     43:
                     44: #include <sys/types.h>
                     45: #include <sys/file.h>
                     46: #include <sys/stat.h>
                     47: #include <sys/time.h>
                     48: #include <tzfile.h>
                     49: #include <stdio.h>
                     50: #include <string.h>
                     51: #include <ctype.h>
                     52: #include <paths.h>
                     53: #include "finger.h"
                     54:
                     55: #define        LINE_LEN        80
                     56: #define        TAB_LEN         8               /* 8 spaces between tabs */
                     57: #define        _PATH_PLAN      ".plan"
                     58: #define        _PATH_PROJECT   ".project"
                     59:
                     60: lflag_print()
                     61: {
                     62:        extern int pplan;
                     63:        register PERSON *pn;
                     64:
                     65:        for (pn = phead;;) {
                     66:                lprint(pn);
                     67:                if (!pplan) {
                     68:                        (void)show_text(pn->dir, _PATH_PROJECT, "Project:");
                     69:                        if (!show_text(pn->dir, _PATH_PLAN, "Plan:"))
                     70:                                (void)printf("No Plan.\n");
                     71:                }
                     72:                if (!(pn = pn->next))
                     73:                        break;
                     74:                putchar('\n');
                     75:        }
                     76: }
                     77:
                     78: lprint(pn)
                     79:        register PERSON *pn;
                     80: {
                     81:        extern time_t now;
                     82:        register struct tm *delta;
                     83:        register WHERE *w;
                     84:        register int cpr, len, maxlen;
                     85:        struct tm *tp;
                     86:        int oddfield;
                     87:        time_t time();
                     88:        char *t, *tzn, *prphone();
                     89:
                     90:        /*
                     91:         * long format --
                     92:         *      login name
                     93:         *      real name
                     94:         *      home directory
                     95:         *      shell
                     96:         *      office, office phone, home phone if available
                     97:         */
                     98:        (void)printf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
                     99:            pn->name, pn->realname, pn->dir);
                    100:        (void)printf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
                    101:
                    102:        /*
                    103:         * try and print office, office phone, and home phone on one line;
                    104:         * if that fails, do line filling so it looks nice.
                    105:         */
                    106: #define        OFFICE_TAG              "Office"
                    107: #define        OFFICE_PHONE_TAG        "Office Phone"
                    108:        oddfield = 0;
                    109:        if (pn->office && pn->officephone &&
                    110:            strlen(pn->office) + strlen(pn->officephone) +
                    111:            sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN) {
                    112:                (void)sprintf(tbuf, "%s: %s, %s", OFFICE_TAG, pn->office,
                    113:                    prphone(pn->officephone));
                    114:                oddfield = demi_print(tbuf, oddfield);
                    115:        } else {
                    116:                if (pn->office) {
                    117:                        (void)sprintf(tbuf, "%s: %s", OFFICE_TAG, pn->office);
                    118:                        oddfield = demi_print(tbuf, oddfield);
                    119:                }
                    120:                if (pn->officephone) {
                    121:                        (void)sprintf(tbuf, "%s: %s", OFFICE_PHONE_TAG,
                    122:                            prphone(pn->officephone));
                    123:                        oddfield = demi_print(tbuf, oddfield);
                    124:                }
                    125:        }
                    126:        if (pn->homephone) {
                    127:                (void)sprintf(tbuf, "%s: %s", "Home Phone",
                    128:                    prphone(pn->homephone));
                    129:                oddfield = demi_print(tbuf, oddfield);
                    130:        }
                    131:        if (oddfield)
                    132:                putchar('\n');
                    133:
                    134:        /*
                    135:         * long format con't: * if logged in
                    136:         *      terminal
                    137:         *      idle time
                    138:         *      if messages allowed
                    139:         *      where logged in from
                    140:         * if not logged in
                    141:         *      when last logged in
                    142:         */
                    143:        /* find out longest device name for this user for formatting */
                    144:        for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
                    145:                if ((len = strlen(w->tty)) > maxlen)
                    146:                        maxlen = len;
                    147:        /* find rest of entries for user */
                    148:        for (w = pn->whead; w != NULL; w = w->next) {
                    149:                switch (w->info) {
                    150:                case LOGGEDIN:
                    151:                        tp = localtime(&w->loginat);
                    152:                        t = asctime(tp);
                    153:                        tzn = tp->tm_zone;
                    154:                        cpr = printf("On since %.16s (%s) on %s",
                    155:                            t, tzn, w->tty);
                    156:                        /*
                    157:                         * idle time is tough; if have one, print a comma,
                    158:                         * then spaces to pad out the device name, then the
                    159:                         * idle time.  Follow with a comma if a remote login.
                    160:                         */
                    161:                        delta = gmtime(&w->idletime);
                    162:                        if (delta->tm_yday || delta->tm_hour || delta->tm_min) {
                    163:                                cpr += printf("%-*s idle ",
                    164:                                    maxlen - strlen(w->tty) + 1, ",");
                    165:                                if (delta->tm_yday > 0) {
                    166:                                        cpr += printf("%d day%s ",
                    167:                                           delta->tm_yday,
                    168:                                           delta->tm_yday == 1 ? "" : "s");
                    169:                                }
                    170:                                cpr += printf("%d:%02d",
                    171:                                    delta->tm_hour, delta->tm_min);
                    172:                                if (*w->host) {
                    173:                                        putchar(',');
                    174:                                        ++cpr;
                    175:                                }
                    176:                        }
                    177:                        if (!w->writable)
                    178:                                cpr += printf(" (messages off)");
                    179:                        break;
                    180:                case LASTLOG:
                    181:                        if (w->loginat == 0) {
                    182:                                (void)printf("Never logged in.");
                    183:                                break;
                    184:                        }
                    185:                        tp = localtime(&w->loginat);
                    186:                        t = asctime(tp);
                    187:                        tzn = tp->tm_zone;
                    188:                        if (now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2)
                    189:                                cpr =
                    190:                                    printf("Last login %.16s %.4s (%s) on %s",
                    191:                                    t, t + 20, tzn, w->tty);
                    192:                        else
                    193:                                cpr = printf("Last login %.16s (%s) on %s",
                    194:                                    t, tzn, w->tty);
                    195:                        break;
                    196:                }
                    197:                if (*w->host) {
                    198:                        if (LINE_LEN < (cpr + 6 + strlen(w->host)))
                    199:                                (void)printf("\n   ");
                    200:                        (void)printf(" from %s", w->host);
                    201:                }
                    202:                putchar('\n');
                    203:        }
                    204:        if (pn->mailrecv == -1)
                    205:                printf("No Mail.\n");
                    206:        else if (pn->mailrecv > pn->mailread) {
                    207:                tp = localtime(&pn->mailrecv);
                    208:                t = asctime(tp);
                    209:                tzn = tp->tm_zone;
                    210:                printf("New mail received %.16s %.4s (%s)\n", t, t + 20, tzn);
                    211:                tp = localtime(&pn->mailread);
                    212:                t = asctime(tp);
                    213:                tzn = tp->tm_zone;
                    214:                printf("     Unread since %.16s %.4s (%s)\n", t, t + 20, tzn);
                    215:        } else {
                    216:                tp = localtime(&pn->mailread);
                    217:                t = asctime(tp);
                    218:                tzn = tp->tm_zone;
                    219:                printf("Mail last read %.16s %.4s (%s)\n", t, t + 20, tzn);
                    220:        }
                    221: }
                    222:
                    223: demi_print(str, oddfield)
                    224:        char *str;
                    225:        int oddfield;
                    226: {
                    227:        static int lenlast;
                    228:        int lenthis, maxlen;
                    229:
                    230:        lenthis = strlen(str);
                    231:        if (oddfield) {
                    232:                /*
                    233:                 * We left off on an odd number of fields.  If we haven't
                    234:                 * crossed the midpoint of the screen, and we have room for
                    235:                 * the next field, print it on the same line; otherwise,
                    236:                 * print it on a new line.
                    237:                 *
                    238:                 * Note: we insist on having the right hand fields start
                    239:                 * no less than 5 tabs out.
                    240:                 */
                    241:                maxlen = 5 * TAB_LEN;
                    242:                if (maxlen < lenlast)
                    243:                        maxlen = lenlast;
                    244:                if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
                    245:                    lenthis) <= LINE_LEN) {
                    246:                        while(lenlast < (4 * TAB_LEN)) {
                    247:                                putchar('\t');
                    248:                                lenlast += TAB_LEN;
                    249:                        }
                    250:                        (void)printf("\t%s\n", str);    /* force one tab */
                    251:                } else {
                    252:                        (void)printf("\n%s", str);      /* go to next line */
                    253:                        oddfield = !oddfield;   /* this'll be undone below */
                    254:                }
                    255:        } else
                    256:                (void)printf("%s", str);
                    257:        oddfield = !oddfield;                   /* toggle odd/even marker */
                    258:        lenlast = lenthis;
                    259:        return(oddfield);
                    260: }
                    261:
                    262: show_text(directory, file_name, header)
                    263:        char *directory, *file_name, *header;
                    264: {
                    265:        register int ch, lastc;
                    266:        register FILE *fp;
                    267:
                    268:        (void)sprintf(tbuf, "%s/%s", directory, file_name);
                    269:        if ((fp = fopen(tbuf, "r")) == NULL)
                    270:                return(0);
                    271:        (void)printf("%s\n", header);
                    272:        while ((ch = getc(fp)) != EOF)
                    273:                vputc(lastc = ch);
                    274:        if (lastc != '\n')
                    275:                (void)putchar('\n');
                    276:        (void)fclose(fp);
                    277:        return(1);
                    278: }
                    279:
                    280: vputc(ch)
                    281:        register int ch;
                    282: {
                    283:        int meta;
                    284:
                    285:        if (!isascii(ch)) {
                    286:                (void)putchar('M');
                    287:                (void)putchar('-');
                    288:                ch = toascii(ch);
                    289:                meta = 1;
                    290:        } else
                    291:                meta = 0;
                    292:        if (isprint(ch) || !meta && (ch == ' ' || ch == '\t' || ch == '\n'))
                    293:                (void)putchar(ch);
                    294:        else {
                    295:                (void)putchar('^');
                    296:                (void)putchar(ch == '\177' ? '?' : ch | 0100);
                    297:        }
                    298: }