aboutsummaryrefslogtreecommitdiffstats
path: root/apps/passwd.c
diff options
context:
space:
mode:
Diffstat (limited to 'apps/passwd.c')
-rw-r--r--apps/passwd.c938
1 files changed, 460 insertions, 478 deletions
diff --git a/apps/passwd.c b/apps/passwd.c
index 9ca25dd1da81..5ff53b5743c6 100644
--- a/apps/passwd.c
+++ b/apps/passwd.c
@@ -6,44 +6,44 @@
#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
+# 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);
+ 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)
+/*-
+ * -crypt - standard Unix password algorithm (default)
* -1 - MD5-based password algorithm
* -apr1 - MD5-based password algorithm, Apache variant
* -salt string - salt
@@ -58,455 +58,437 @@ static int do_passwd(int passed_salt, char **salt_p, char **salt_malloc_p,
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.)
+{
+ 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
-
+{
+ /* "$apr1$..salt..$.......md5hash..........\0" */
+ static char out_buf[6 + 9 + 24 + 2];
+ unsigned char buf[MD5_DIGEST_LENGTH];
+ char *salt_out;
+ int n;
+ unsigned int i;
+ EVP_MD_CTX md, md2;
+ size_t passwd_len, salt_len;
+
+ passwd_len = strlen(passwd);
+ out_buf[0] = '$';
+ 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;
- }
+ 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);
- }
+{
+ fputs("Program not available.\n", stderr)
+ OPENSSL_EXIT(1);
+}
#endif