- char *passwd, BIO *out, int quiet, int table, int reverse,
- size_t pw_maxlen, int usecrypt, int useapr1);
-
-/* -crypt - standard Unix password algorithm (default, only choice)
- * -apr1 - MD5-based password algorithm
- * -salt string - salt
- * -in file - read passwords from file
- * -stdin - read passwords from stdin
- * -quiet - no warnings
- * -table - format output as table
- * -reverse - switch table columns
- */
-
-int MAIN(int argc, char **argv)
- {
- int ret = 1;
- char *infile = NULL;
- int in_stdin = 0;
- char *salt = NULL, *passwd = NULL, **passwds = NULL;
- char *salt_malloc = NULL, *passwd_malloc = NULL;
- 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, 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);
- out = BIO_new(BIO_s_file());
- if (out == NULL)
- goto err;
- BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
-
- 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], "-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], "-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 && !useapr1) /* use default */
- usecrypt = 1;
- if (usecrypt + useapr1 > 1) /* conflict */
- badopt = 1;
-
- /* reject unsupported algorithms */
-#ifdef NO_DES
- if (usecrypt) badopt = 1;
-#endif
-#ifdef NO_APR1
- if (useapr1) badopt = 1;
-#endif
-
- if (badopt)
- {
- BIO_printf(bio_err, "Usage: passwd [options] [passwords]\n");
- BIO_printf(bio_err, "where options are\n");
-#ifndef NO_DES
- BIO_printf(bio_err, "-crypt standard Unix password algorithm (default)\n");
-#endif
-#ifndef NO_APR1
- BIO_printf(bio_err, "-apr1 MD5-based password algorithm\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, "-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 (useapr1)
- pw_maxlen = 256; /* arbitrary limit, should be enough for most passwords */
-
- if (passwds == NULL)
- {
- /* no passwords on the command line */
- passwd = passwd_malloc = Malloc(pw_maxlen + 1);
- 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, pw_maxlen + 1, "Password: ", 0) != 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, 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, useapr1))
- goto err;
- }
- done = (r <= 0);
- }
- while (!done);
- }
-
-err:
- ERR_print_errors(bio_err);
- if (salt_malloc)
- Free(salt_malloc);
- if (passwd_malloc)
- Free(passwd_malloc);
- if (in)
- BIO_free(in);
- if (out)
- BIO_free(out);
- EXIT(ret);
- }
-
-
-#ifndef NO_APR1
-/* MD5-based password algorithm compatible to the one found in Apache
- * (should probably be available as a library function;
- * then the static buffer would not be acceptable) */
-static char *apr1_crypt(const char *passwd, const char *salt)
- {
- static char out_buf[6 + 9 + 24 + 2]; /* "$apr1$..salt..$.......md5hash..........\0" */
- unsigned char buf[MD5_DIGEST_LENGTH];
- char *salt_out;
- int n, i;
- MD5_CTX md;
- size_t passwd_len, salt_len;
-
- passwd_len = strlen(passwd);
- strcpy(out_buf, "$apr1$");
- strncat(out_buf, salt, 8);
- assert(strlen(out_buf) <= 6 + 8); /* "$apr1$..salt.." */
- salt_out = out_buf + 6;
- salt_len = strlen(salt_out);
- assert(salt_len <= 8);
-
- MD5_Init(&md);
- MD5_Update(&md, passwd, passwd_len);
- MD5_Update(&md, "$apr1$", 6);
- MD5_Update(&md, salt_out, salt_len);
-
- {
- MD5_CTX md2;
-
- MD5_Init(&md2);
- MD5_Update(&md2, passwd, passwd_len);
- MD5_Update(&md2, salt_out, salt_len);
- MD5_Update(&md2, passwd, passwd_len);
- MD5_Final(buf, &md2);
- }
- for (i = passwd_len; i > sizeof buf; i -= sizeof buf)
- MD5_Update(&md, buf, sizeof buf);
- MD5_Update(&md, buf, i);
-
- n = passwd_len;
- while (n)
- {
- MD5_Update(&md, (n & 1) ? "\0" : passwd, 1);
- n >>= 1;
- }
- MD5_Final(buf, &md);
-
- for (i = 0; i < 1000; i++)
- {
- MD5_CTX md2;
-
- MD5_Init(&md2);
- MD5_Update(&md2, (i & 1) ? (unsigned char *) passwd : buf,
- (i & 1) ? passwd_len : sizeof buf);
- if (i % 3)
- MD5_Update(&md2, salt_out, salt_len);
- if (i % 7)
- MD5_Update(&md2, passwd, passwd_len);
- MD5_Update(&md2, (i & 1) ? buf : (unsigned char *) passwd,
- (i & 1) ? sizeof buf : passwd_len);
- MD5_Final(buf, &md2);
- }
-
- {
- /* transform buf into output string */
-
- unsigned char buf_perm[sizeof buf];
- int dest, source;
- char *output;
-
- /* silly output permutation */
- for (dest = 0, source = 0; dest < 14; dest++, source = (source + 6) % 17)
- buf_perm[dest] = buf[source];
- buf_perm[14] = buf[5];
- buf_perm[15] = buf[11];
-#ifndef PEDANTIC /* Unfortunately, this generates a "no effect" warning */
- assert(16 == sizeof buf_perm);
-#endif
-
- output = salt_out + salt_len;
- assert(output == out_buf + strlen(out_buf));
-
- *output++ = '$';
-
- 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));
- }
-
- return out_buf;
- }
-#endif
+ char *passwd, BIO *out, int quiet, int table,
+ int reverse, size_t pw_maxlen, int usecrypt, int use1,
+ int useapr1);
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_IN,
+ OPT_NOVERIFY, OPT_QUIET, OPT_TABLE, OPT_REVERSE, OPT_APR1,
+ OPT_1, OPT_CRYPT, OPT_SALT, OPT_STDIN
+} OPTION_CHOICE;
+
+OPTIONS passwd_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Pead passwords from file"},
+ {"noverify", OPT_NOVERIFY, '-',
+ "Never verify when reading password from terminal"},
+ {"quiet", OPT_QUIET, '-', "No warnings"},
+ {"table", OPT_TABLE, '-', "Format output as table"},
+ {"reverse", OPT_REVERSE, '-', "Switch table columns"},
+ {"salt", OPT_SALT, 's', "Use provided salt"},
+ {"stdin", OPT_STDIN, '-', "Read passwords from stdin"},
+# ifndef NO_MD5CRYPT_1
+ {"apr1", OPT_APR1, '-', "MD5-based password algorithm, Apache variant"},
+ {"1", OPT_1, '-', "MD5-based password algorithm"},
+# endif
+# ifndef OPENSSL_NO_DES
+ {"crypt", OPT_CRYPT, '-', "Standard Unix password algorithm (default)"},
+# endif
+ {NULL}
+};