Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/uuencode/uuencode.c	Lines:	0	89	0.0 %
Date:	2016-12-06	Branches:	0	77	0.0 %


/*	$OpenBSD: uuencode.c,v 1.13 2015/10/09 01:37:09 deraadt Exp $	*/
/*	$FreeBSD: uuencode.c,v 1.18 2004/01/22 07:23:35 grehan Exp $	*/

/*-
 * Copyright (c) 1983, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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.
 */

/*
 * Encode a file so it can be mailed to a remote system.
 */

#include <sys/socket.h>
#include <sys/stat.h>

#include <netinet/in.h>

#include <err.h>
#include <locale.h>
#include <resolv.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

void encode(void);
void base64_encode(void);
static void usage(void);

FILE *output;
int mode;
char **av;

enum program_mode {
	MODE_ENCODE,
	MODE_B64ENCODE
} pmode;

int
main(int argc, char *argv[])
{
	struct stat sb;
	int base64, ch;
	char *outfile;
	extern char *__progname;
	static const char *optstr[2] = {
		"mo:",
		"o:"
	};

	base64 = 0;
	outfile = NULL;

	pmode = MODE_ENCODE;
	if (strcmp(__progname, "b64encode") == 0) {
		base64 = 1;
		pmode = MODE_B64ENCODE;
	}

	setlocale(LC_ALL, "");
	while ((ch = getopt(argc, argv, optstr[pmode])) != -1) {
		switch (ch) {
		case 'm':
			base64 = 1;
			break;
		case 'o':
			outfile = optarg;
			break;
		case '?':
		default:
			usage();
		}
	}
	argv += optind;
	argc -= optind;

	if (argc == 2 || outfile) {
		if (pledge("stdio rpath wpath cpath", NULL) == -1)
			err(1, "pledge");
	} else {
		if (pledge("stdio wpath cpath rpath", NULL) == -1)
			err(1, "pledge");
	}

	switch(argc) {
	case 2:			/* optional first argument is input file */
		if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
			err(1, "%s", *argv);
#define	RWX	(S_IRWXU|S_IRWXG|S_IRWXO)
		mode = sb.st_mode & RWX;
		++argv;
		break;
	case 1:
#define	RW	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
		mode = RW & ~umask(RW);
		break;
	case 0:
	default:
		usage();
	}

	av = argv;

	if (outfile != NULL) {
		output = fopen(outfile, "w+");
		if (output == NULL)
			err(1, "unable to open %s for output", outfile);
	} else
		output = stdout;
	if (base64)
		base64_encode();
	else
		encode();
	if (ferror(output))
		errx(1, "write error");
	exit(0);
}

/* ENC is the basic 1 character encoding function to make a char printing */
#define	ENC(c) ((c) ? ((c) & 077) + ' ': '`')

/*
 * Copy from in to out, encoding in base64 as you go along.
 */
void
base64_encode(void)
{
	/*
	 * Output must fit into 80 columns, chunks come in 4, leave 1.
	 */
#define	GROUPS	((80 / 4) - 1)
	unsigned char buf[3];
	char buf2[sizeof(buf) * 2 + 1];
	size_t n;
	int rv, sequence;

	sequence = 0;

	fprintf(output, "begin-base64 %o %s\n", mode, *av);
	while ((n = fread(buf, 1, sizeof(buf), stdin))) {
		++sequence;
		rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0])));
		if (rv == -1)
			errx(1, "b64_ntop: error encoding base64");
		fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n");
	}
	if (sequence % GROUPS)
		fprintf(output, "\n");
	fprintf(output, "====\n");
}

/*
 * Copy from in to out, encoding as you go along.
 */
void
encode(void)
{
	int ch, n;
	char *p;
	char buf[80];

	(void)fprintf(output, "begin %o %s\n", mode, *av);
	while ((n = fread(buf, 1, 45, stdin))) {
		ch = ENC(n);
		if (fputc(ch, output) == EOF)
			break;
		for (p = buf; n > 0; n -= 3, p += 3) {
			/* Pad with nulls if not a multiple of 3. */
			if (n < 3) {
				p[2] = '\0';
				if (n < 2)
					p[1] = '\0';
			}
			ch = *p >> 2;
			ch = ENC(ch);
			if (fputc(ch, output) == EOF)
				break;
			ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
			ch = ENC(ch);
			if (fputc(ch, output) == EOF)
				break;
			ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
			ch = ENC(ch);
			if (fputc(ch, output) == EOF)
				break;
			ch = p[2] & 077;
			ch = ENC(ch);
			if (fputc(ch, output) == EOF)
				break;
		}
		if (fputc('\n', output) == EOF)
			break;
	}
	if (ferror(stdin))
		errx(1, "read error");
	(void)fprintf(output, "%c\nend\n", ENC('\0'));
}

static void
usage(void)
{
	switch (pmode) {
	case MODE_ENCODE:
		(void)fprintf(stderr,
		    "usage: uuencode [-m] [-o output_file] [file] name\n");
		break;
	case MODE_B64ENCODE:
		(void)fprintf(stderr,
		    "usage: b64encode [-o output_file] [file] name\n");
		break;
	}
	exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: uuencode.c,v 1.13 2015/10/09 01:37:09 deraadt Exp $ */
2			/* $FreeBSD: uuencode.c,v 1.18 2004/01/22 07:23:35 grehan Exp $ */
3
4			/*-
5			* Copyright (c) 1983, 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			/*
34			* Encode a file so it can be mailed to a remote system.
35			*/
36
37			#include <sys/socket.h>
38			#include <sys/stat.h>
39
40			#include <netinet/in.h>
41
42			#include <err.h>
43			#include <locale.h>
44			#include <resolv.h>
45			#include <stdio.h>
46			#include <stdlib.h>
47			#include <string.h>
48			#include <unistd.h>
49
50			void encode(void);
51			void base64_encode(void);
52			static void usage(void);
53
54			FILE *output;
55			int mode;
56			char **av;
57
58			enum program_mode {
59			MODE_ENCODE,
60			MODE_B64ENCODE
61			} pmode;
62
63			int
64			main(int argc, char *argv[])
65			{
66			struct stat sb;
67			int base64, ch;
68			char *outfile;
69			extern char *__progname;
70			static const char *optstr[2] = {
71			"mo:",
72			"o:"
73			};
74
75			base64 = 0;
76			outfile = NULL;
77
78			pmode = MODE_ENCODE;
79			if (strcmp(__progname, "b64encode") == 0) {
80			base64 = 1;
81			pmode = MODE_B64ENCODE;
82			}
83
84			setlocale(LC_ALL, "");
85			while ((ch = getopt(argc, argv, optstr[pmode])) != -1) {
86			switch (ch) {
87			case 'm':
88			base64 = 1;
89			break;
90			case 'o':
91			outfile = optarg;
92			break;
93			case '?':
94			default:
95			usage();
96			}
97			}
98			argv += optind;
99			argc -= optind;
100
101			if (argc == 2 \|\| outfile) {
102			if (pledge("stdio rpath wpath cpath", NULL) == -1)
103			err(1, "pledge");
104			} else {
105			if (pledge("stdio wpath cpath rpath", NULL) == -1)
106			err(1, "pledge");
107			}
108
109			switch(argc) {
110			case 2: /* optional first argument is input file */
111			if (!freopen(*argv, "r", stdin) \|\| fstat(fileno(stdin), &sb))
112			err(1, "%s", *argv);
113			#define RWX (S_IRWXU\|S_IRWXG\|S_IRWXO)
114			mode = sb.st_mode & RWX;
115			++argv;
116			break;
117			case 1:
118			#define RW (S_IRUSR\|S_IWUSR\|S_IRGRP\|S_IWGRP\|S_IROTH\|S_IWOTH)
119			mode = RW & ~umask(RW);
120			break;
121			case 0:
122			default:
123			usage();
124			}
125
126			av = argv;
127
128			if (outfile != NULL) {
129			output = fopen(outfile, "w+");
130			if (output == NULL)
131			err(1, "unable to open %s for output", outfile);
132			} else
133			output = stdout;
134			if (base64)
135			base64_encode();
136			else
137			encode();
138			if (ferror(output))
139			errx(1, "write error");
140			exit(0);
141			}
142
143			/* ENC is the basic 1 character encoding function to make a char printing */
144			#define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
145
146			/*
147			* Copy from in to out, encoding in base64 as you go along.
148			*/
149			void
150			base64_encode(void)
151			{
152			/*
153			* Output must fit into 80 columns, chunks come in 4, leave 1.
154			*/
155			#define GROUPS ((80 / 4) - 1)
156			unsigned char buf[3];
157			char buf2[sizeof(buf) * 2 + 1];
158			size_t n;
159			int rv, sequence;
160
161			sequence = 0;
162
163			fprintf(output, "begin-base64 %o %s\n", mode, *av);
164			while ((n = fread(buf, 1, sizeof(buf), stdin))) {
165			++sequence;
166			rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0])));
167			if (rv == -1)
168			errx(1, "b64_ntop: error encoding base64");
169			fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n");
170			}
171			if (sequence % GROUPS)
172			fprintf(output, "\n");
173			fprintf(output, "====\n");
174			}
175
176			/*
177			* Copy from in to out, encoding as you go along.
178			*/
179			void
180			encode(void)
181			{
182			int ch, n;
183			char *p;
184			char buf[80];
185
186			(void)fprintf(output, "begin %o %s\n", mode, *av);
187			while ((n = fread(buf, 1, 45, stdin))) {
188			ch = ENC(n);
189			if (fputc(ch, output) == EOF)
190			break;
191			for (p = buf; n > 0; n -= 3, p += 3) {
192			/* Pad with nulls if not a multiple of 3. */
193			if (n < 3) {
194			p[2] = '\0';
195			if (n < 2)
196			p[1] = '\0';
197			}
198			ch = *p >> 2;
199			ch = ENC(ch);
200			if (fputc(ch, output) == EOF)
201			break;
202			ch = ((*p << 4) & 060) \| ((p[1] >> 4) & 017);
203			ch = ENC(ch);
204			if (fputc(ch, output) == EOF)
205			break;
206			ch = ((p[1] << 2) & 074) \| ((p[2] >> 6) & 03);
207			ch = ENC(ch);
208			if (fputc(ch, output) == EOF)
209			break;
210			ch = p[2] & 077;
211			ch = ENC(ch);
212			if (fputc(ch, output) == EOF)
213			break;
214			}
215			if (fputc('\n', output) == EOF)
216			break;
217			}
218			if (ferror(stdin))
219			errx(1, "read error");
220			(void)fprintf(output, "%c\nend\n", ENC('\0'));
221			}
222
223			static void
224			usage(void)
225			{
226			switch (pmode) {
227			case MODE_ENCODE:
228			(void)fprintf(stderr,
229			"usage: uuencode [-m] [-o output_file] [file] name\n");
230			break;
231			case MODE_B64ENCODE:
232			(void)fprintf(stderr,
233			"usage: b64encode [-o output_file] [file] name\n");
234			break;
235			}
236			exit(1);
237			}