Delete bundled copy of OpenSSL and replace with README.

openssl/apps/passwd.c

Index: openssl/apps/passwd.c
diff --git a/openssl/apps/passwd.c b/openssl/apps/passwd.c
deleted file mode 100644
index 9ca25dd1da811fe44934e5e7cce3d4208973cadf..0000000000000000000000000000000000000000
--- a/openssl/apps/passwd.c
+++ /dev/null
@@ -1,512 +0,0 @@
-/* apps/passwd.c */
-
-#if defined OPENSSL_NO_MD5 || defined CHARSET_EBCDIC
-# define NO_MD5CRYPT_1
-#endif
-
-#if !defined(OPENSSL_NO_DES) || !defined(NO_MD5CRYPT_1)
-
-#include <assert.h>
-#include <string.h>
-
-#include "apps.h"
-
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/rand.h>
-#ifndef OPENSSL_NO_DES
-# include <openssl/des.h>
-#endif
-#ifndef NO_MD5CRYPT_1
-# include <openssl/md5.h>
-#endif
-
-
-#undef PROG
-#define PROG passwd_main
-
-
-static unsigned const char cov_2char[64]={
-	/* from crypto/des/fcrypt.c */
-	0x2E,0x2F,0x30,0x31,0x32,0x33,0x34,0x35,
-	0x36,0x37,0x38,0x39,0x41,0x42,0x43,0x44,
-	0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,
-	0x4D,0x4E,0x4F,0x50,0x51,0x52,0x53,0x54,
-	0x55,0x56,0x57,0x58,0x59,0x5A,0x61,0x62,
-	0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,
-	0x6B,0x6C,0x6D,0x6E,0x6F,0x70,0x71,0x72,
-	0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A
-};
-
-static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
-	char *passwd, BIO *out, int quiet, int table, int reverse,
-	size_t pw_maxlen, int usecrypt, int use1, int useapr1);
-
-/* -crypt        - standard Unix password algorithm (default)
- * -1            - MD5-based password algorithm
- * -apr1         - MD5-based password algorithm, Apache variant
- * -salt string  - salt
- * -in file      - read passwords from file
- * -stdin        - read passwords from stdin
- * -noverify     - never verify when reading password from terminal
- * -quiet        - no warnings
- * -table        - format output as table
- * -reverse      - switch table columns
- */
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
-	{
-	int ret = 1;
-	char *infile = NULL;
-	int in_stdin = 0;
-	int in_noverify = 0;
-	char *salt = NULL, *passwd = NULL, **passwds = NULL;
-	char *salt_malloc = NULL, *passwd_malloc = NULL;
-	size_t passwd_malloc_size = 0;
-	int pw_source_defined = 0;
-	BIO *in = NULL, *out = NULL;
-	int i, badopt, opt_done;
-	int passed_salt = 0, quiet = 0, table = 0, reverse = 0;
-	int usecrypt = 0, use1 = 0, useapr1 = 0;
-	size_t pw_maxlen = 0;
-
-	apps_startup();
-
-	if (bio_err == NULL)
-		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
-	if (!load_config(bio_err, NULL))
-		goto err;
-	out = BIO_new(BIO_s_file());
-	if (out == NULL)
-		goto err;
-	BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-#ifdef OPENSSL_SYS_VMS
-	{
-	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
-	out = BIO_push(tmpbio, out);
-	}
-#endif
-
-	badopt = 0, opt_done = 0;
-	i = 0;
-	while (!badopt && !opt_done && argv[++i] != NULL)
-		{
-		if (strcmp(argv[i], "-crypt") == 0)
-			usecrypt = 1;
-		else if (strcmp(argv[i], "-1") == 0)
-			use1 = 1;
-		else if (strcmp(argv[i], "-apr1") == 0)
-			useapr1 = 1;
-		else if (strcmp(argv[i], "-salt") == 0)
-			{
-			if ((argv[i+1] != NULL) && (salt == NULL))
-				{
-				passed_salt = 1;
-				salt = argv[++i];
-				}
-			else
-				badopt = 1;
-			}
-		else if (strcmp(argv[i], "-in") == 0)
-			{
-			if ((argv[i+1] != NULL) && !pw_source_defined)
-				{
-				pw_source_defined = 1;
-				infile = argv[++i];
-				}
-			else
-				badopt = 1;
-			}
-		else if (strcmp(argv[i], "-stdin") == 0)
-			{
-			if (!pw_source_defined)
-				{
-				pw_source_defined = 1;
-				in_stdin = 1;
-				}
-			else
-				badopt = 1;
-			}
-		else if (strcmp(argv[i], "-noverify") == 0)
-			in_noverify = 1;
-		else if (strcmp(argv[i], "-quiet") == 0)
-			quiet = 1;
-		else if (strcmp(argv[i], "-table") == 0)
-			table = 1;
-		else if (strcmp(argv[i], "-reverse") == 0)
-			reverse = 1;
-		else if (argv[i][0] == '-')
-			badopt = 1;
-		else if (!pw_source_defined)
-			/* non-option arguments, use as passwords */
-			{
-			pw_source_defined = 1;
-			passwds = &argv[i];
-			opt_done = 1;
-			}
-		else
-			badopt = 1;
-		}
-
-	if (!usecrypt && !use1 && !useapr1) /* use default */
-		usecrypt = 1;
-	if (usecrypt + use1 + useapr1 > 1) /* conflict */
-		badopt = 1;
-
-	/* reject unsupported algorithms */
-#ifdef OPENSSL_NO_DES
-	if (usecrypt) badopt = 1;
-#endif
-#ifdef NO_MD5CRYPT_1
-	if (use1 || useapr1) badopt = 1;
-#endif
-
-	if (badopt) 
-		{
-		BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
-		BIO_printf(bio_err, "where options are\n");
-#ifndef OPENSSL_NO_DES
-		BIO_printf(bio_err, "-crypt             standard Unix password algorithm (default)\n");
-#endif
-#ifndef NO_MD5CRYPT_1
-		BIO_printf(bio_err, "-1                 MD5-based password algorithm\n");
-		BIO_printf(bio_err, "-apr1              MD5-based password algorithm, Apache variant\n");
-#endif
-		BIO_printf(bio_err, "-salt string       use provided salt\n");
-		BIO_printf(bio_err, "-in file           read passwords from file\n");
-		BIO_printf(bio_err, "-stdin             read passwords from stdin\n");
-		BIO_printf(bio_err, "-noverify          never verify when reading password from terminal\n");
-		BIO_printf(bio_err, "-quiet             no warnings\n");
-		BIO_printf(bio_err, "-table             format output as table\n");
-		BIO_printf(bio_err, "-reverse           switch table columns\n");
-		
-		goto err;
-		}
-
-	if ((infile != NULL) || in_stdin)
-		{
-		in = BIO_new(BIO_s_file());
-		if (in == NULL)
-			goto err;
-		if (infile != NULL)
-			{
-			assert(in_stdin == 0);
-			if (BIO_read_filename(in, infile) <= 0)
-				goto err;
-			}
-		else
-			{
-			assert(in_stdin);
-			BIO_set_fp(in, stdin, BIO_NOCLOSE);
-			}
-		}
-	
-	if (usecrypt)
-		pw_maxlen = 8;
-	else if (use1 || useapr1)
-		pw_maxlen = 256; /* arbitrary limit, should be enough for most passwords */
-
-	if (passwds == NULL)
-		{
-		/* no passwords on the command line */
-
-		passwd_malloc_size = pw_maxlen + 2;
-		/* longer than necessary so that we can warn about truncation */
-		passwd = passwd_malloc = OPENSSL_malloc(passwd_malloc_size);
-		if (passwd_malloc == NULL)
-			goto err;
-		}
-
-	if ((in == NULL) && (passwds == NULL))
-		{
-		/* build a null-terminated list */
-		static char *passwds_static[2] = {NULL, NULL};
-		
-		passwds = passwds_static;
-		if (in == NULL)
-			if (EVP_read_pw_string(passwd_malloc, passwd_malloc_size, "Password: ", !(passed_salt || in_noverify)) != 0)
-				goto err;
-		passwds[0] = passwd_malloc;
-		}
-
-	if (in == NULL)
-		{
-		assert(passwds != NULL);
-		assert(*passwds != NULL);
-		
-		do /* loop over list of passwords */
-			{
-			passwd = *passwds++;
-			if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
-				quiet, table, reverse, pw_maxlen, usecrypt, use1, useapr1))
-				goto err;
-			}
-		while (*passwds != NULL);
-		}
-	else
-		/* in != NULL */
-		{
-		int done;
-
-		assert (passwd != NULL);
-		do
-			{
-			int r = BIO_gets(in, passwd, pw_maxlen + 1);
-			if (r > 0)
-				{
-				char *c = (strchr(passwd, '\n')) ;
-				if (c != NULL)
-					*c = 0; /* truncate at newline */
-				else
-					{
-					/* ignore rest of line */
-					char trash[BUFSIZ];
-					do
-						r = BIO_gets(in, trash, sizeof trash);
-					while ((r > 0) && (!strchr(trash, '\n')));
-					}
-				
-				if (!do_passwd(passed_salt, &salt, &salt_malloc, passwd, out,
-					quiet, table, reverse, pw_maxlen, usecrypt, use1, useapr1))
-					goto err;
-				}
-			done = (r <= 0);
-			}
-		while (!done);
-		}
-	ret = 0;
-
-err:
-	ERR_print_errors(bio_err);
-	if (salt_malloc)
-		OPENSSL_free(salt_malloc);
-	if (passwd_malloc)
-		OPENSSL_free(passwd_malloc);
-	if (in)
-		BIO_free(in);
-	if (out)
-		BIO_free_all(out);
-	apps_shutdown();
-	OPENSSL_EXIT(ret);
-	}
-
-
-#ifndef NO_MD5CRYPT_1
-/* MD5-based password algorithm (should probably be available as a library
- * function; then the static buffer would not be acceptable).
- * For magic string "1", this should be compatible to the MD5-based BSD
- * password algorithm.
- * For 'magic' string "apr1", this is compatible to the MD5-based Apache
- * password algorithm.
- * (Apparently, the Apache password algorithm is identical except that the
- * 'magic' string was changed -- the laziest application of the NIH principle
- * I've ever encountered.)
- */
-static char *md5crypt(const char *passwd, const char *magic, const char *salt)
-	{
-	static char out_buf[6 + 9 + 24 + 2]; /* "$apr1$..salt..$.......md5hash..........\0" */
-	unsigned char buf[MD5_DIGEST_LENGTH];
-	char *salt_out;
-	int n;
-	unsigned int i;
-	EVP_MD_CTX md,md2;
-	size_t passwd_len, salt_len;
-
-	passwd_len = strlen(passwd);
-	out_buf[0] = '$';
-	out_buf[1] = 0;
-	assert(strlen(magic) <= 4); /* "1" or "apr1" */
-	strncat(out_buf, magic, 4);
-	strncat(out_buf, "$", 1);
-	strncat(out_buf, salt, 8);
-	assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
-	salt_out = out_buf + 2 + strlen(magic);
-	salt_len = strlen(salt_out);
-	assert(salt_len <= 8);
-	
-	EVP_MD_CTX_init(&md);
-	EVP_DigestInit_ex(&md,EVP_md5(), NULL);
-	EVP_DigestUpdate(&md, passwd, passwd_len);
-	EVP_DigestUpdate(&md, "$", 1);
-	EVP_DigestUpdate(&md, magic, strlen(magic));
-	EVP_DigestUpdate(&md, "$", 1);
-	EVP_DigestUpdate(&md, salt_out, salt_len);
-	
-	EVP_MD_CTX_init(&md2);
-	EVP_DigestInit_ex(&md2,EVP_md5(), NULL);
-	EVP_DigestUpdate(&md2, passwd, passwd_len);
-	EVP_DigestUpdate(&md2, salt_out, salt_len);
-	EVP_DigestUpdate(&md2, passwd, passwd_len);
-	EVP_DigestFinal_ex(&md2, buf, NULL);
-
-	for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
-		EVP_DigestUpdate(&md, buf, sizeof buf);
-	EVP_DigestUpdate(&md, buf, i);
-	
-	n = passwd_len;
-	while (n)
-		{
-		EVP_DigestUpdate(&md, (n & 1) ? "\0" : passwd, 1);
-		n >>= 1;
-		}
-	EVP_DigestFinal_ex(&md, buf, NULL);
-
-	for (i = 0; i < 1000; i++)
-		{
-		EVP_DigestInit_ex(&md2,EVP_md5(), NULL);
-		EVP_DigestUpdate(&md2, (i & 1) ? (unsigned const char *) passwd : buf,
-		                       (i & 1) ? passwd_len : sizeof buf);
-		if (i % 3)
-			EVP_DigestUpdate(&md2, salt_out, salt_len);
-		if (i % 7)
-			EVP_DigestUpdate(&md2, passwd, passwd_len);
-		EVP_DigestUpdate(&md2, (i & 1) ? buf : (unsigned const char *) passwd,
-		                       (i & 1) ? sizeof buf : passwd_len);
-		EVP_DigestFinal_ex(&md2, buf, NULL);
-		}
-	EVP_MD_CTX_cleanup(&md2);
-	
-	 {
-		/* transform buf into output string */
-	
-		unsigned char buf_perm[sizeof buf];
-		int dest, source;
-		char *output;
-
-		/* silly output permutation */
-		for (dest = 0, source = 0; dest < 14; dest++, source = (source + 6) % 17)
-			buf_perm[dest] = buf[source];
-		buf_perm[14] = buf[5];
-		buf_perm[15] = buf[11];
-#ifndef PEDANTIC /* Unfortunately, this generates a "no effect" warning */
-		assert(16 == sizeof buf_perm);
-#endif
-		
-		output = salt_out + salt_len;
-		assert(output == out_buf + strlen(out_buf));
-		
-		*output++ = '$';
-
-		for (i = 0; i < 15; i += 3)
-			{
-			*output++ = cov_2char[buf_perm[i+2] & 0x3f];
-			*output++ = cov_2char[((buf_perm[i+1] & 0xf) << 2) |
-				                  (buf_perm[i+2] >> 6)];
-			*output++ = cov_2char[((buf_perm[i] & 3) << 4) |
-				                  (buf_perm[i+1] >> 4)];
-			*output++ = cov_2char[buf_perm[i] >> 2];
-			}
-		assert(i == 15);
-		*output++ = cov_2char[buf_perm[i] & 0x3f];
-		*output++ = cov_2char[buf_perm[i] >> 6];
-		*output = 0;
-		assert(strlen(out_buf) < sizeof(out_buf));
-	 }
-	EVP_MD_CTX_cleanup(&md);
-
-	return out_buf;
-	}
-#endif
-
-
-static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
-	char *passwd, BIO *out,	int quiet, int table, int reverse,
-	size_t pw_maxlen, int usecrypt, int use1, int useapr1)
-	{
-	char *hash = NULL;
-
-	assert(salt_p != NULL);
-	assert(salt_malloc_p != NULL);
-
-	/* first make sure we have a salt */
-	if (!passed_salt)
-		{
-#ifndef OPENSSL_NO_DES
-		if (usecrypt)
-			{
-			if (*salt_malloc_p == NULL)
-				{
-				*salt_p = *salt_malloc_p = OPENSSL_malloc(3);
-				if (*salt_malloc_p == NULL)
-					goto err;
-				}
-			if (RAND_pseudo_bytes((unsigned char *)*salt_p, 2) < 0)
-				goto err;
-			(*salt_p)[0] = cov_2char[(*salt_p)[0] & 0x3f]; /* 6 bits */
-			(*salt_p)[1] = cov_2char[(*salt_p)[1] & 0x3f]; /* 6 bits */
-			(*salt_p)[2] = 0;
-#ifdef CHARSET_EBCDIC
-			ascii2ebcdic(*salt_p, *salt_p, 2); /* des_crypt will convert
-			                                    * back to ASCII */
-#endif
-			}
-#endif /* !OPENSSL_NO_DES */
-
-#ifndef NO_MD5CRYPT_1
-		if (use1 || useapr1)
-			{
-			int i;
-			
-			if (*salt_malloc_p == NULL)
-				{
-				*salt_p = *salt_malloc_p = OPENSSL_malloc(9);
-				if (*salt_malloc_p == NULL)
-					goto err;
-				}
-			if (RAND_pseudo_bytes((unsigned char *)*salt_p, 8) < 0)
-				goto err;
-			
-			for (i = 0; i < 8; i++)
-				(*salt_p)[i] = cov_2char[(*salt_p)[i] & 0x3f]; /* 6 bits */
-			(*salt_p)[8] = 0;
-			}
-#endif /* !NO_MD5CRYPT_1 */
-		}
-	
-	assert(*salt_p != NULL);
-	
-	/* truncate password if necessary */
-	if ((strlen(passwd) > pw_maxlen))
-		{
-		if (!quiet)
-			/* XXX: really we should know how to print a size_t, not cast it */
-			BIO_printf(bio_err, "Warning: truncating password to %u characters\n", (unsigned)pw_maxlen);
-		passwd[pw_maxlen] = 0;
-		}
-	assert(strlen(passwd) <= pw_maxlen);
-	
-	/* now compute password hash */
-#ifndef OPENSSL_NO_DES
-	if (usecrypt)
-		hash = DES_crypt(passwd, *salt_p);
-#endif
-#ifndef NO_MD5CRYPT_1
-	if (use1 || useapr1)
-		hash = md5crypt(passwd, (use1 ? "1" : "apr1"), *salt_p);
-#endif
-	assert(hash != NULL);
-
-	if (table && !reverse)
-		BIO_printf(out, "%s\t%s\n", passwd, hash);
-	else if (table && reverse)
-		BIO_printf(out, "%s\t%s\n", hash, passwd);
-	else
-		BIO_printf(out, "%s\n", hash);
-	return 1;
-	
-err:
-	return 0;
-	}
-#else
-
-int MAIN(int argc, char **argv)
-	{
-	fputs("Program not available.\n", stderr)
-	OPENSSL_EXIT(1);
-	}
-#endif