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-rw-r--r--bin/pax/gen_subs.c437
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diff --git a/bin/pax/gen_subs.c b/bin/pax/gen_subs.c
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--- a/bin/pax/gen_subs.c
+++ /dev/null
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-/* $NetBSD: gen_subs.c,v 1.37 2018/11/30 00:53:11 christos Exp $ */
-
-/*-
- * Copyright (c) 1992 Keith Muller.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Keith Muller of the University of California, San Diego.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if HAVE_NBTOOL_CONFIG_H
-#include "nbtool_config.h"
-#endif
-
-#include <sys/cdefs.h>
-#if !defined(lint)
-#if 0
-static char sccsid[] = "@(#)gen_subs.c 8.1 (Berkeley) 5/31/93";
-#else
-__RCSID("$NetBSD: gen_subs.c,v 1.37 2018/11/30 00:53:11 christos Exp $");
-#endif
-#endif /* not lint */
-
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-
-#include <ctype.h>
-#include <grp.h>
-#include <pwd.h>
-#include <vis.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <tzfile.h>
-#include <unistd.h>
-
-#include "pax.h"
-#include "extern.h"
-
-/*
- * a collection of general purpose subroutines used by pax
- */
-
-/*
- * constants used by ls_list() when printing out archive members
- */
-#define MODELEN 20
-#define DATELEN 64
-#define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY)
-#define CURFRMT "%b %e %H:%M"
-#define OLDFRMT "%b %e %Y"
-#ifndef UT_NAMESIZE
-#define UT_NAMESIZE 8
-#endif
-#define UT_GRPSIZE 6
-
-/*
- * convert time to string
- */
-static void
-formattime(char *buf, size_t buflen, time_t when)
-{
- int error;
- struct tm tm;
- (void)localtime_r(&when, &tm);
-
- if (when + SIXMONTHS <= time(NULL))
- error = strftime(buf, buflen, OLDFRMT, &tm);
- else
- error = strftime(buf, buflen, CURFRMT, &tm);
-
- if (error == 0)
- buf[0] = '\0';
-}
-
-/*
- * ls_list()
- * list the members of an archive in ls format
- */
-
-void
-ls_list(ARCHD *arcn, time_t now, FILE *fp)
-{
- struct stat *sbp;
- char f_mode[MODELEN];
- char f_date[DATELEN];
- const char *user, *group;
-
- /*
- * if not verbose, just print the file name
- */
- if (!vflag) {
- (void)fprintf(fp, "%s\n", arcn->name);
- (void)fflush(fp);
- return;
- }
-
- /*
- * user wants long mode
- */
- sbp = &(arcn->sb);
- strmode(sbp->st_mode, f_mode);
-
- /*
- * time format based on age compared to the time pax was started.
- */
- formattime(f_date, sizeof(f_date), arcn->sb.st_mtime);
- /*
- * print file mode, link count, uid, gid and time
- */
- user = user_from_uid(sbp->st_uid, 0);
- group = group_from_gid(sbp->st_gid, 0);
- (void)fprintf(fp, "%s%2lu %-*s %-*s ", f_mode,
- (unsigned long)sbp->st_nlink,
- UT_NAMESIZE, user ? user : "", UT_GRPSIZE, group ? group : "");
-
- /*
- * print device id's for devices, or sizes for other nodes
- */
- if ((arcn->type == PAX_CHR) || (arcn->type == PAX_BLK))
- (void)fprintf(fp, "%4lu,%4lu ", (long) MAJOR(sbp->st_rdev),
- (long) MINOR(sbp->st_rdev));
- else {
- (void)fprintf(fp, OFFT_FP("9") " ", (OFFT_T)sbp->st_size);
- }
-
- /*
- * print name and link info for hard and soft links
- */
- (void)fprintf(fp, "%s %s", f_date, arcn->name);
- if ((arcn->type == PAX_HLK) || (arcn->type == PAX_HRG))
- (void)fprintf(fp, " == %s\n", arcn->ln_name);
- else if (arcn->type == PAX_SLK)
- (void)fprintf(fp, " -> %s\n", arcn->ln_name);
- else
- (void)fputc('\n', fp);
- (void)fflush(fp);
-}
-
-/*
- * tty_ls()
- * print a short summary of file to tty.
- */
-
-void
-ls_tty(ARCHD *arcn)
-{
- char f_date[DATELEN];
- char f_mode[MODELEN];
-
- formattime(f_date, sizeof(f_date), arcn->sb.st_mtime);
- strmode(arcn->sb.st_mode, f_mode);
- tty_prnt("%s%s %s\n", f_mode, f_date, arcn->name);
- return;
-}
-
-void
-safe_print(const char *str, FILE *fp)
-{
- char visbuf[5];
- const char *cp;
-
- /*
- * if printing to a tty, use vis(3) to print special characters.
- */
- if (isatty(fileno(fp))) {
- for (cp = str; *cp; cp++) {
- (void)vis(visbuf, cp[0], VIS_CSTYLE, cp[1]);
- (void)fputs(visbuf, fp);
- }
- } else {
- (void)fputs(str, fp);
- }
-}
-
-/*
- * asc_u32()
- * convert hex/octal character string into a uint32_t. We do not have to
- * check for overflow! (the headers in all supported formats are not large
- * enough to create an overflow).
- * NOTE: strings passed to us are NOT TERMINATED.
- * Return:
- * uint32_t value
- */
-
-uint32_t
-asc_u32(char *str, int len, int base)
-{
- char *stop;
- uint32_t tval = 0;
-
- stop = str + len;
-
- /*
- * skip over leading blanks and zeros
- */
- while ((str < stop) && ((*str == ' ') || (*str == '0')))
- ++str;
-
- /*
- * for each valid digit, shift running value (tval) over to next digit
- * and add next digit
- */
- if (base == HEX) {
- while (str < stop) {
- if ((*str >= '0') && (*str <= '9'))
- tval = (tval << 4) + (*str++ - '0');
- else if ((*str >= 'A') && (*str <= 'F'))
- tval = (tval << 4) + 10 + (*str++ - 'A');
- else if ((*str >= 'a') && (*str <= 'f'))
- tval = (tval << 4) + 10 + (*str++ - 'a');
- else
- break;
- }
- } else {
- while ((str < stop) && (*str >= '0') && (*str <= '7'))
- tval = (tval << 3) + (*str++ - '0');
- }
- return tval;
-}
-
-/*
- * u32_asc()
- * convert an uintmax_t into an hex/oct ascii string. pads with LEADING
- * ascii 0's to fill string completely
- * NOTE: the string created is NOT TERMINATED.
- */
-
-int
-u32_asc(uintmax_t val, char *str, int len, int base)
-{
- char *pt;
- uint32_t digit;
- uintmax_t p;
-
- p = val & TOP_HALF;
- if (p && p != TOP_HALF)
- return -1;
-
- val &= BOTTOM_HALF;
-
- /*
- * WARNING str is not '\0' terminated by this routine
- */
- pt = str + len - 1;
-
- /*
- * do a tailwise conversion (start at right most end of string to place
- * least significant digit). Keep shifting until conversion value goes
- * to zero (all digits were converted)
- */
- if (base == HEX) {
- while (pt >= str) {
- if ((digit = (val & 0xf)) < 10)
- *pt-- = '0' + (char)digit;
- else
- *pt-- = 'a' + (char)(digit - 10);
- if ((val = (val >> 4)) == (u_long)0)
- break;
- }
- } else {
- while (pt >= str) {
- *pt-- = '0' + (char)(val & 0x7);
- if ((val = (val >> 3)) == 0)
- break;
- }
- }
-
- /*
- * pad with leading ascii ZEROS. We return -1 if we ran out of space.
- */
- while (pt >= str)
- *pt-- = '0';
- if (val != 0)
- return -1;
- return 0;
-}
-
-/*
- * asc_umax()
- * convert hex/octal/base-256 value into a uintmax.
- * NOTE: strings passed to us are NOT TERMINATED.
- * Return:
- * uintmax_t value; UINTMAX_MAX for overflow/negative
- */
-
-uintmax_t
-asc_umax(char *str, int len, int base)
-{
- char *stop;
- uintmax_t tval = 0;
-
- stop = str + len;
-
- /*
- * if the highest bit of first byte is set, it's base-256 encoded
- * (base-256 is basically (n-1)-bit big endian signed
- */
- if (str < stop && (*str & 0x80)) {
- /*
- * uintmax_t can't be negative, so fail on negative numbers
- */
- if (*str & 0x40)
- return UINTMAX_MAX;
-
- tval = *str++ & 0x3f;
- while (str < stop) {
- /*
- * check for overflow
- */
- if (tval > (UINTMAX_MAX/256))
- return UINTMAX_MAX;
- tval = (tval << 8) | ((*str++) & 0xFF);
- }
-
- return tval;
- }
-
- /*
- * skip over leading blanks and zeros
- */
- while ((str < stop) && ((*str == ' ') || (*str == '0')))
- ++str;
-
- /*
- * for each valid digit, shift running value (tval) over to next digit
- * and add next digit
- */
- if (base == HEX) {
- while (str < stop) {
- if ((*str >= '0') && (*str <= '9'))
- tval = (tval << 4) + (*str++ - '0');
- else if ((*str >= 'A') && (*str <= 'F'))
- tval = (tval << 4) + 10 + (*str++ - 'A');
- else if ((*str >= 'a') && (*str <= 'f'))
- tval = (tval << 4) + 10 + (*str++ - 'a');
- else
- break;
- }
- } else {
- while ((str < stop) && (*str >= '0') && (*str <= '7'))
- tval = (tval << 3) + (*str++ - '0');
- }
- return tval;
-}
-
-/*
- * umax_asc()
- * convert an uintmax_t into a hex/oct ascii string. pads with
- * LEADING ascii 0's to fill string completely
- * NOTE: the string created is NOT TERMINATED.
- */
-
-int
-umax_asc(uintmax_t val, char *str, int len, int base)
-{
- char *pt;
- uintmax_t digit;
-
- /*
- * WARNING str is not '\0' terminated by this routine
- */
- pt = str + len - 1;
-
- /*
- * do a tailwise conversion (start at right most end of string to place
- * least significant digit). Keep shifting until conversion value goes
- * to zero (all digits were converted)
- */
- if (base == HEX) {
- while (pt >= str) {
- if ((digit = (val & 0xf)) < 10)
- *pt-- = '0' + (char)digit;
- else
- *pt-- = 'a' + (char)(digit - 10);
- if ((val = (val >> 4)) == 0)
- break;
- }
- } else {
- while (pt >= str) {
- *pt-- = '0' + (char)(val & 0x7);
- if ((val = (val >> 3)) == 0)
- break;
- }
- }
-
- /*
- * pad with leading ascii ZEROS. We return -1 if we ran out of space.
- */
- while (pt >= str)
- *pt-- = '0';
- if (val != 0)
- return -1;
- return 0;
-}
-
-int
-check_Aflag(void)
-{
-
- if (Aflag > 0)
- return 1;
- if (Aflag == 0) {
- Aflag = -1;
- tty_warn(0,
- "Removing leading / from absolute path names in the archive");
- }
- return 0;
-}