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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/keynote/../../lib/libkeynote/keynote-keygen.c	Lines:	0	151	0.0 %
Date:	2017-11-13	Branches:	0	80	0.0 %


/* $OpenBSD: keynote-keygen.c,v 1.22 2015/11/19 02:35:24 mmcc Exp $ */
/*
 * The author of this code is Angelos D. Keromytis (angelos@dsl.cis.upenn.edu)
 *
 * This code was written by Angelos D. Keromytis in Philadelphia, PA, USA,
 * in April-May 1998
 *
 * Copyright (C) 1998, 1999 by Angelos D. Keromytis.
 *
 * Permission to use, copy, and modify this software with or without fee
 * is hereby granted, provided that this entire notice is included in
 * all copies of any software which is or includes a copy or
 * modification of this software.
 *
 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTY. IN PARTICULAR, THE AUTHORS MAKES NO
 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
 * PURPOSE.
 */

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

#include <ctype.h>
#include <fcntl.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <openssl/dsa.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/rsa.h>

#include "header.h"
#include "keynote.h"
#include "assertion.h"
#include "signature.h"

void	keygenusage(void);

void
keygenusage(void)
{
    fprintf(stderr, "Arguments:\n");
    fprintf(stderr, "\t<AlgorithmName> <keysize> "
	    "<PublicKeyFile> <PrivateKeyFile> [<print-offset>] "
	    "[<print-length>]\n");
}

/*
 * Print the specified number of spaces.
 */
void
print_space(FILE *fp, int n)
{
    while (n--)
      fprintf(fp, " ");
}

/*
 * Output a key, properly formatted.
 */
void
print_key(FILE *fp, char *algname, char *key, int start, int length)
{
    int i, k;

    print_space(fp, start);
    fprintf(fp, "\"%s", algname);

    for (i = 0, k = strlen(algname) + 2; i < strlen(key); i++, k++)
    {
	if (k == length)
	{
	    if (i == strlen(key))
	    {
		fprintf(fp, "\"\n");
		return;
	    }

	    fprintf(fp, "\\\n");
	    print_space(fp, start);
	    i--;
	    k = 0;
	}
	else
	  fprintf(fp, "%c", key[i]);
    }

    fprintf(fp, "\"\n");
}

void
keynote_keygen(int argc, char *argv[])
{
    int begin = KEY_PRINT_OFFSET, prlen = KEY_PRINT_LENGTH;
    char *foo, *privalgname, seed[SEED_LEN];
    int alg, enc, ienc, len = 0, counter;
    struct keynote_deckey dc;
    unsigned long h;
    DSA *dsa;
    RSA *rsa;
    FILE *fp;
    char *algname;

    if ((argc != 5) && (argc != 6) && (argc != 7))
    {
	keygenusage();
	exit(0);
    }

    /* Fix algorithm name */
    if (argv[1][strlen(argv[1]) - 1] != ':')
    {
	int len = strlen(argv[1]) + 2;

        fprintf(stderr, "Algorithm name [%s] should be terminated with a "
		"colon, fixing.\n", argv[1]);
	algname = calloc(len, sizeof(char));
	if (algname == NULL)
	{
	    perror("calloc()");
	    exit(1);
	}

	strlcpy(algname, argv[1], len);
	algname[strlen(algname)] = ':';
    }
    else
	algname = argv[1];

    if (argc > 5)
    {
	begin = atoi(argv[5]);
	if (begin <= -1)
	{
	    fprintf(stderr, "Erroneous value for print-offset parameter.\n");
	    exit(1);
	}
    }

    if (argc > 6)
    {
	prlen = atoi(argv[6]);
	if (prlen <= 0)
	{
	    fprintf(stderr, "Erroneous value for print-length parameter.\n");
	    exit(1);
	}
    }

    if (strlen(algname) + 2 > prlen)
    {
	fprintf(stderr, "Parameter ``print-length'' should be larger "
		"than the length of AlgorithmName (%lu)\n",
		(unsigned long) strlen(algname));
	exit(1);
    }

    alg = keynote_get_key_algorithm(algname, &enc, &ienc);
    len = atoi(argv[2]);

    if (len <= 0)
    {
	fprintf(stderr, "Invalid specified keysize %d\n", len);
	exit(1);
    }

    if ((alg == KEYNOTE_ALGORITHM_DSA) &&
	(ienc == INTERNAL_ENC_ASN1) &&
	((enc == ENCODING_HEX) || (enc == ENCODING_BASE64)))
    {
        RAND_bytes(seed, SEED_LEN);

	dsa = DSA_generate_parameters(len, seed, SEED_LEN,
	    &counter, &h, NULL, NULL);

	if (dsa == NULL)
	{
	    ERR_print_errors_fp(stderr);
	    exit(1);
	}

	if (DSA_generate_key(dsa) != 1)
	{
	    ERR_print_errors_fp(stderr);
	    exit(1);
	}

	dc.dec_algorithm = KEYNOTE_ALGORITHM_DSA;
	dc.dec_key = (void *) dsa;

	foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PUBLIC_KEY);
	if (foo == NULL)
	{
	    fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
	    exit(1);
	}

	if (!strcmp(argv[3], "-"))
	  fp = stdout;
	else
	{
	    fp = fopen(argv[3], "w");
	    if (fp == NULL)
	    {
		perror(argv[3]);
		exit(1);
	    }
	}

	print_key(fp, algname, foo, begin, prlen);
	free(foo);

	if (strcmp(argv[3], "-"))
	  fclose(fp);

	foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PRIVATE_KEY);
	if (foo == NULL)
	{
	    fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
	    exit(1);
	}

	if (!strcmp(argv[4], "-"))
	{
	    fp = stdout;
	    if (!strcmp(argv[3], "-"))
	      printf("===========================\n");
	}
	else
	{
	    fp = fopen(argv[4], "w");
	    if (fp == NULL)
	    {
		perror(argv[4]);
		exit(1);
	    }
	}

	len = strlen(KEYNOTE_PRIVATE_KEY_PREFIX) + strlen(foo) + 1;
	privalgname = calloc(len, sizeof(char));
	if (privalgname == NULL)
	{
	    perror("calloc()");
	    exit(1);
	}
	snprintf(privalgname, len, "%s%s", KEYNOTE_PRIVATE_KEY_PREFIX, algname);
	print_key(fp, privalgname, foo, begin, prlen);
	free(privalgname);
	free(foo);

	if (strcmp(argv[4], "-"))
	  fclose(fp);

	exit(0);
    }

    if ((alg == KEYNOTE_ALGORITHM_RSA) &&
	(ienc == INTERNAL_ENC_PKCS1) &&
	((enc == ENCODING_HEX) || (enc == ENCODING_BASE64)))
    {
	rsa = RSA_generate_key(len, DEFAULT_PUBLIC, NULL, NULL);

	if (rsa == NULL)
	{
	    ERR_print_errors_fp(stderr);
	    exit(1);
	}

	dc.dec_algorithm = KEYNOTE_ALGORITHM_RSA;
	dc.dec_key = (void *) rsa;

	foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PUBLIC_KEY);
	if (foo == NULL)
	{
	    fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
	    exit(1);
	}

	if (!strcmp(argv[3], "-"))
	  fp = stdout;
	else
	{
	    fp = fopen(argv[3], "w");
	    if (fp == NULL)
	    {
		perror(argv[3]);
		exit(1);
	    }
	}

	print_key(fp, algname, foo, begin, prlen);
	free(foo);

	if (strcmp(argv[3], "-"))
	  fclose(fp);

	foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PRIVATE_KEY);
	if (foo == NULL)
	{
	    fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
	    exit(1);
	}

	if (!strcmp(argv[4], "-"))
	{
	    fp = stdout;
	    if (!strcmp(argv[3], "-"))
	      printf("===========================\n");
	}
	else
	{
	    fp = fopen(argv[4], "w");
	    if (fp == NULL)
	    {
		perror(argv[4]);
		exit(1);
	    }
	}

	len = strlen(KEYNOTE_PRIVATE_KEY_PREFIX) + strlen(foo) + 1;
	privalgname = calloc(len, sizeof(char));
	if (privalgname == NULL)
	{
	    perror("calloc()");
	    exit(1);
	}
	snprintf(privalgname, len, "%s%s", KEYNOTE_PRIVATE_KEY_PREFIX, algname);
	print_key(fp, privalgname, foo, begin, prlen);
	free(privalgname);
	free(foo);

	if (strcmp(argv[4], "-"))
	  fclose(fp);

	exit(0);
    }

    /* More algorithms here */

    fprintf(stderr, "Unknown/unsupported algorithm [%s]\n", algname);
    exit(1);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: keynote-keygen.c,v 1.22 2015/11/19 02:35:24 mmcc Exp $ */
2			/*
3			* The author of this code is Angelos D. Keromytis (angelos@dsl.cis.upenn.edu)
4			*
5			* This code was written by Angelos D. Keromytis in Philadelphia, PA, USA,
6			* in April-May 1998
7			*
8			* Copyright (C) 1998, 1999 by Angelos D. Keromytis.
9			*
10			* Permission to use, copy, and modify this software with or without fee
11			* is hereby granted, provided that this entire notice is included in
12			* all copies of any software which is or includes a copy or
13			* modification of this software.
14			*
15			* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
16			* IMPLIED WARRANTY. IN PARTICULAR, THE AUTHORS MAKES NO
17			* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
18			* MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
19			* PURPOSE.
20			*/
21
22			#include <sys/types.h>
23			#include <sys/stat.h>
24
25			#include <ctype.h>
26			#include <fcntl.h>
27			#include <regex.h>
28			#include <stdio.h>
29			#include <stdlib.h>
30			#include <string.h>
31			#include <unistd.h>
32
33			#include <openssl/dsa.h>
34			#include <openssl/err.h>
35			#include <openssl/rand.h>
36			#include <openssl/rsa.h>
37
38			#include "header.h"
39			#include "keynote.h"
40			#include "assertion.h"
41			#include "signature.h"
42
43			void keygenusage(void);
44
45			void
46			keygenusage(void)
47			{
48			fprintf(stderr, "Arguments:\n");
49			fprintf(stderr, "\t<AlgorithmName> <keysize> "
50			"<PublicKeyFile> <PrivateKeyFile> [<print-offset>] "
51			"[<print-length>]\n");
52			}
53
54			/*
55			* Print the specified number of spaces.
56			*/
57			void
58			print_space(FILE *fp, int n)
59			{
60			while (n--)
61			fprintf(fp, " ");
62			}
63
64			/*
65			* Output a key, properly formatted.
66			*/
67			void
68			print_key(FILE fp, char algname, char *key, int start, int length)
69			{
70			int i, k;
71
72			print_space(fp, start);
73			fprintf(fp, "\"%s", algname);
74
75			for (i = 0, k = strlen(algname) + 2; i < strlen(key); i++, k++)
76			{
77			if (k == length)
78			{
79			if (i == strlen(key))
80			{
81			fprintf(fp, "\"\n");
82			return;
83			}
84
85			fprintf(fp, "\\\n");
86			print_space(fp, start);
87			i--;
88			k = 0;
89			}
90			else
91			fprintf(fp, "%c", key[i]);
92			}
93
94			fprintf(fp, "\"\n");
95			}
96
97			void
98			keynote_keygen(int argc, char *argv[])
99			{
100			int begin = KEY_PRINT_OFFSET, prlen = KEY_PRINT_LENGTH;
101			char foo, privalgname, seed[SEED_LEN];
102			int alg, enc, ienc, len = 0, counter;
103			struct keynote_deckey dc;
104			unsigned long h;
105			DSA *dsa;
106			RSA *rsa;
107			FILE *fp;
108			char *algname;
109
110			if ((argc != 5) && (argc != 6) && (argc != 7))
111			{
112			keygenusage();
113			exit(0);
114			}
115
116			/* Fix algorithm name */
117			if (argv[1][strlen(argv[1]) - 1] != ':')
118			{
119			int len = strlen(argv[1]) + 2;
120
121			fprintf(stderr, "Algorithm name [%s] should be terminated with a "
122			"colon, fixing.\n", argv[1]);
123			algname = calloc(len, sizeof(char));
124			if (algname == NULL)
125			{
126			perror("calloc()");
127			exit(1);
128			}
129
130			strlcpy(algname, argv[1], len);
131			algname[strlen(algname)] = ':';
132			}
133			else
134			algname = argv[1];
135
136			if (argc > 5)
137			{
138			begin = atoi(argv[5]);
139			if (begin <= -1)
140			{
141			fprintf(stderr, "Erroneous value for print-offset parameter.\n");
142			exit(1);
143			}
144			}
145
146			if (argc > 6)
147			{
148			prlen = atoi(argv[6]);
149			if (prlen <= 0)
150			{
151			fprintf(stderr, "Erroneous value for print-length parameter.\n");
152			exit(1);
153			}
154			}
155
156			if (strlen(algname) + 2 > prlen)
157			{
158			fprintf(stderr, "Parameter ``print-length'' should be larger "
159			"than the length of AlgorithmName (%lu)\n",
160			(unsigned long) strlen(algname));
161			exit(1);
162			}
163
164			alg = keynote_get_key_algorithm(algname, &enc, &ienc);
165			len = atoi(argv[2]);
166
167			if (len <= 0)
168			{
169			fprintf(stderr, "Invalid specified keysize %d\n", len);
170			exit(1);
171			}
172
173			if ((alg == KEYNOTE_ALGORITHM_DSA) &&
174			(ienc == INTERNAL_ENC_ASN1) &&
175			((enc == ENCODING_HEX) \|\| (enc == ENCODING_BASE64)))
176			{
177			RAND_bytes(seed, SEED_LEN);
178
179			dsa = DSA_generate_parameters(len, seed, SEED_LEN,
180			&counter, &h, NULL, NULL);
181
182			if (dsa == NULL)
183			{
184			ERR_print_errors_fp(stderr);
185			exit(1);
186			}
187
188			if (DSA_generate_key(dsa) != 1)
189			{
190			ERR_print_errors_fp(stderr);
191			exit(1);
192			}
193
194			dc.dec_algorithm = KEYNOTE_ALGORITHM_DSA;
195			dc.dec_key = (void *) dsa;
196
197			foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PUBLIC_KEY);
198			if (foo == NULL)
199			{
200			fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
201			exit(1);
202			}
203
204			if (!strcmp(argv[3], "-"))
205			fp = stdout;
206			else
207			{
208			fp = fopen(argv[3], "w");
209			if (fp == NULL)
210			{
211			perror(argv[3]);
212			exit(1);
213			}
214			}
215
216			print_key(fp, algname, foo, begin, prlen);
217			free(foo);
218
219			if (strcmp(argv[3], "-"))
220			fclose(fp);
221
222			foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PRIVATE_KEY);
223			if (foo == NULL)
224			{
225			fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
226			exit(1);
227			}
228
229			if (!strcmp(argv[4], "-"))
230			{
231			fp = stdout;
232			if (!strcmp(argv[3], "-"))
233			printf("===========================\n");
234			}
235			else
236			{
237			fp = fopen(argv[4], "w");
238			if (fp == NULL)
239			{
240			perror(argv[4]);
241			exit(1);
242			}
243			}
244
245			len = strlen(KEYNOTE_PRIVATE_KEY_PREFIX) + strlen(foo) + 1;
246			privalgname = calloc(len, sizeof(char));
247			if (privalgname == NULL)
248			{
249			perror("calloc()");
250			exit(1);
251			}
252			snprintf(privalgname, len, "%s%s", KEYNOTE_PRIVATE_KEY_PREFIX, algname);
253			print_key(fp, privalgname, foo, begin, prlen);
254			free(privalgname);
255			free(foo);
256
257			if (strcmp(argv[4], "-"))
258			fclose(fp);
259
260			exit(0);
261			}
262
263			if ((alg == KEYNOTE_ALGORITHM_RSA) &&
264			(ienc == INTERNAL_ENC_PKCS1) &&
265			((enc == ENCODING_HEX) \|\| (enc == ENCODING_BASE64)))
266			{
267			rsa = RSA_generate_key(len, DEFAULT_PUBLIC, NULL, NULL);
268
269			if (rsa == NULL)
270			{
271			ERR_print_errors_fp(stderr);
272			exit(1);
273			}
274
275			dc.dec_algorithm = KEYNOTE_ALGORITHM_RSA;
276			dc.dec_key = (void *) rsa;
277
278			foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PUBLIC_KEY);
279			if (foo == NULL)
280			{
281			fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
282			exit(1);
283			}
284
285			if (!strcmp(argv[3], "-"))
286			fp = stdout;
287			else
288			{
289			fp = fopen(argv[3], "w");
290			if (fp == NULL)
291			{
292			perror(argv[3]);
293			exit(1);
294			}
295			}
296
297			print_key(fp, algname, foo, begin, prlen);
298			free(foo);
299
300			if (strcmp(argv[3], "-"))
301			fclose(fp);
302
303			foo = kn_encode_key(&dc, ienc, enc, KEYNOTE_PRIVATE_KEY);
304			if (foo == NULL)
305			{
306			fprintf(stderr, "Error encoding key (errno %d)\n", keynote_errno);
307			exit(1);
308			}
309
310			if (!strcmp(argv[4], "-"))
311			{
312			fp = stdout;
313			if (!strcmp(argv[3], "-"))
314			printf("===========================\n");
315			}
316			else
317			{
318			fp = fopen(argv[4], "w");
319			if (fp == NULL)
320			{
321			perror(argv[4]);
322			exit(1);
323			}
324			}
325
326			len = strlen(KEYNOTE_PRIVATE_KEY_PREFIX) + strlen(foo) + 1;
327			privalgname = calloc(len, sizeof(char));
328			if (privalgname == NULL)
329			{
330			perror("calloc()");
331			exit(1);
332			}
333			snprintf(privalgname, len, "%s%s", KEYNOTE_PRIVATE_KEY_PREFIX, algname);
334			print_key(fp, privalgname, foo, begin, prlen);
335			free(privalgname);
336			free(foo);
337
338			if (strcmp(argv[4], "-"))
339			fclose(fp);
340
341			exit(0);
342			}
343
344			/* More algorithms here */
345
346			fprintf(stderr, "Unknown/unsupported algorithm [%s]\n", algname);
347			exit(1);
348			}