version 1.6, 2003/06/10 22:20:53 |
version 1.7, 2004/04/09 22:54:02 |
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/* $OpenBSD$ */ |
/* $OpenBSD$ */ |
/* $NetBSD: uuencode.c,v 1.7 1994/11/17 07:41:15 jtc Exp $ */ |
/* $FreeBSD: uuencode.c,v 1.18 2004/01/22 07:23:35 grehan Exp $ */ |
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/*- |
/*- |
* Copyright (c) 1983, 1993 |
* Copyright (c) 1983, 1993 |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
*/ |
*/ |
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char copyright[] = |
#ifndef lint |
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static const char copyright[] = |
"@(#) Copyright (c) 1983, 1993\n\ |
"@(#) Copyright (c) 1983, 1993\n\ |
The Regents of the University of California. All rights reserved.\n"; |
The Regents of the University of California. All rights reserved.\n"; |
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#endif /* not lint */ |
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#ifndef lint |
#ifndef lint |
#if 0 |
#if 0 |
static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94"; |
static const char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94"; |
#endif |
#endif |
static char rcsid[] = "$OpenBSD$"; |
static const char rcsid[] = "$OpenBSD$"; |
#endif /* not lint */ |
#endif /* not lint */ |
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/* |
/* |
* uuencode [input] output |
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* |
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* Encode a file so it can be mailed to a remote system. |
* Encode a file so it can be mailed to a remote system. |
*/ |
*/ |
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#include <sys/param.h> |
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#include <sys/socket.h> |
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#include <sys/stat.h> |
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#include <netinet/in.h> |
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#include <err.h> |
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#include <locale.h> |
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#include <resolv.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <locale.h> |
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#include <errno.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <unistd.h> |
#include <unistd.h> |
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static void encode(void); |
void encode(void); |
static __dead void usage(void); |
void base64_encode(void); |
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static void usage(void); |
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FILE *output; |
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int mode; |
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char **av; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
struct stat sb; |
struct stat sb; |
int mode; |
int base64; |
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int ch; |
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char *outfile; |
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extern char *__progname; |
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setlocale(LC_ALL, ""); |
base64 = 0; |
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outfile = NULL; |
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while (getopt(argc, argv, "") != -1) |
if (strcmp(__progname, "b64encode") == 0) |
usage(); |
base64 = 1; |
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setlocale(LC_ALL, ""); |
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while ((ch = getopt(argc, argv, "mo:")) != -1) { |
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switch (ch) { |
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case 'm': |
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base64 = 1; |
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break; |
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case 'o': |
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outfile = optarg; |
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break; |
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case '?': |
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default: |
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usage(); |
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} |
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} |
argv += optind; |
argv += optind; |
argc -= optind; |
argc -= optind; |
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switch(argc) { |
switch(argc) { |
case 2: /* optional first argument is input file */ |
case 2: /* optional first argument is input file */ |
if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) { |
if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) |
(void)fprintf(stderr, "uuencode: %s: %s.\n", |
err(1, "%s", *argv); |
*argv, strerror(errno)); |
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exit(1); |
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} |
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#define RWX (S_IRWXU|S_IRWXG|S_IRWXO) |
#define RWX (S_IRWXU|S_IRWXG|S_IRWXO) |
mode = sb.st_mode & RWX; |
mode = sb.st_mode & RWX; |
++argv; |
++argv; |
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usage(); |
usage(); |
} |
} |
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(void)printf("begin %o %s\n", mode, *argv); |
av = argv; |
encode(); |
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(void)printf("end\n"); |
if (outfile != NULL) { |
if (ferror(stdout)) { |
output = fopen(outfile, "w+"); |
(void)fprintf(stderr, "uuencode: write error.\n"); |
if (output == NULL) |
exit(1); |
err(1, "unable to open %s for output", outfile); |
} |
} else |
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output = stdout; |
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if (base64) |
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base64_encode(); |
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else |
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encode(); |
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if (ferror(output)) |
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errx(1, "write error"); |
exit(0); |
exit(0); |
} |
} |
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#define ENC(c) ((c) ? ((c) & 077) + ' ': '`') |
#define ENC(c) ((c) ? ((c) & 077) + ' ': '`') |
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/* |
/* |
* copy from in to out, encoding as you go along. |
* Copy from in to out, encoding in base64 as you go along. |
*/ |
*/ |
static void |
void |
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base64_encode(void) |
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{ |
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/* |
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* Output must fit into 80 columns, chunks come in 4, leave 1. |
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*/ |
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#define GROUPS ((80 / 4) - 1) |
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unsigned char buf[3]; |
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char buf2[sizeof(buf) * 2 + 1]; |
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size_t n; |
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int rv, sequence; |
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sequence = 0; |
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fprintf(output, "begin-base64 %o %s\n", mode, *av); |
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while ((n = fread(buf, 1, sizeof(buf), stdin))) { |
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++sequence; |
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rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0]))); |
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if (rv == -1) |
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errx(1, "b64_ntop: error encoding base64"); |
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fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n"); |
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} |
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if (sequence % GROUPS) |
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fprintf(output, "\n"); |
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fprintf(output, "====\n"); |
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} |
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/* |
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* Copy from in to out, encoding as you go along. |
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*/ |
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void |
encode(void) |
encode(void) |
{ |
{ |
int ch, n; |
int ch, n; |
char *p; |
char *p; |
char buf[80]; |
char buf[80]; |
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(void)fprintf(output, "begin %o %s\n", mode, *av); |
while ((n = fread(buf, 1, 45, stdin))) { |
while ((n = fread(buf, 1, 45, stdin))) { |
ch = ENC(n); |
ch = ENC(n); |
if (putchar(ch) == EOF) |
if (fputc(ch, output) == EOF) |
break; |
break; |
for (p = buf; n > 0; n -= 3, p += 3) { |
for (p = buf; n > 0; n -= 3, p += 3) { |
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/* Pad with nulls if not a multiple of 3. */ |
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if (n < 3) { |
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p[2] = '\0'; |
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if (n < 2) |
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p[1] = '\0'; |
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} |
ch = *p >> 2; |
ch = *p >> 2; |
ch = ENC(ch); |
ch = ENC(ch); |
if (putchar(ch) == EOF) |
if (fputc(ch, output) == EOF) |
break; |
break; |
ch = (*p << 4) & 060 | (p[1] >> 4) & 017; |
ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017); |
ch = ENC(ch); |
ch = ENC(ch); |
if (putchar(ch) == EOF) |
if (fputc(ch, output) == EOF) |
break; |
break; |
ch = (p[1] << 2) & 074 | (p[2] >> 6) & 03; |
ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03); |
ch = ENC(ch); |
ch = ENC(ch); |
if (putchar(ch) == EOF) |
if (fputc(ch, output) == EOF) |
break; |
break; |
ch = p[2] & 077; |
ch = p[2] & 077; |
ch = ENC(ch); |
ch = ENC(ch); |
if (putchar(ch) == EOF) |
if (fputc(ch, output) == EOF) |
break; |
break; |
} |
} |
if (putchar('\n') == EOF) |
if (fputc('\n', output) == EOF) |
break; |
break; |
} |
} |
if (ferror(stdin)) { |
if (ferror(stdin)) |
(void)fprintf(stderr, "uuencode: read error.\n"); |
errx(1, "read error"); |
exit(1); |
(void)fprintf(output, "%c\nend\n", ENC('\0')); |
} |
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ch = ENC('\0'); |
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(void)putchar(ch); |
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(void)putchar('\n'); |
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} |
} |
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static void |
static void |
usage(void) |
usage(void) |
{ |
{ |
(void)fprintf(stderr,"usage: uuencode [infile] remotefile\n"); |
(void)fprintf(stderr, |
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"usage: uuencode [-m] [-o outfile] [infile] remotefile\n" |
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" b64encode [-o outfile] [infile] remotefile\n"); |
exit(1); |
exit(1); |
} |
} |