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openldap  2.4.31
Functions | Variables
slappasswd.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/signal.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/unistd.h>
#include <ldap.h>
#include <lber_pvt.h>
#include <lutil.h>
#include <lutil_sha1.h>
#include "ldap_defaults.h"
#include "slap.h"

Go to the source code of this file.

Functions

static void usage (const char *s)
int slappasswd (int argc, char *argv[])

Variables

static int verbose = 0

Function Documentation

int slappasswd ( int  argc,
char *  argv[] 
)

Definition at line 63 of file slappasswd.c.

{
#ifdef LUTIL_SHA1_BYTES
       char   *default_scheme = "{SSHA}";
#else
       char   *default_scheme = "{SMD5}";
#endif
       char   *scheme = default_scheme;

       char   *newpw = NULL;
       char   *pwfile = NULL;
       const char *text;
       const char *progname = "slappasswd";

       int           i;
       char          *newline = "\n";
       struct berval passwd = BER_BVNULL;
       struct berval hash;

       while( (i = getopt( argc, argv,
              "c:d:gh:ns:T:vu" )) != EOF )
       {
              switch (i) {
              case 'c':     /* crypt salt format */
                     scheme = "{CRYPT}";
                     lutil_salt_format( optarg );
                     break;

              case 'g':     /* new password (generate) */
                     if ( pwfile != NULL ) {
                            fprintf( stderr, "Option -g incompatible with -T\n" );
                            return EXIT_FAILURE;

                     } else if ( newpw != NULL ) {
                            fprintf( stderr, "New password already provided\n" );
                            return EXIT_FAILURE;

                     } else if ( lutil_passwd_generate( &passwd, 8 )) {
                            fprintf( stderr, "Password generation failed\n" );
                            return EXIT_FAILURE;
                     }
                     break;

              case 'h':     /* scheme */
                     if ( scheme != default_scheme ) {
                            fprintf( stderr, "Scheme already provided\n" );
                            return EXIT_FAILURE;

                     } else {
                            scheme = ch_strdup( optarg );
                     }
                     break;

              case 'n':
                     newline = "";
                     break;

              case 's':     /* new password (secret) */
                     if ( pwfile != NULL ) {
                            fprintf( stderr, "Option -s incompatible with -T\n" );
                            return EXIT_FAILURE;

                     } else if ( newpw != NULL ) {
                            fprintf( stderr, "New password already provided\n" );
                            return EXIT_FAILURE;

                     } else {
                            char* p;
                            newpw = ch_strdup( optarg );

                            for( p = optarg; *p != '\0'; p++ ) {
                                   *p = '\0';
                            }
                     }
                     break;

              case 'T':     /* password file */
                     if ( pwfile != NULL ) {
                            fprintf( stderr, "Password file already provided\n" );
                            return EXIT_FAILURE;

                     } else if ( newpw != NULL ) {
                            fprintf( stderr, "Option -T incompatible with -s/-g\n" );
                            return EXIT_FAILURE;

                     }
                     pwfile = optarg;
                     break;

              case 'u':     /* RFC2307 userPassword */
                     break;

              case 'v':     /* verbose */
                     verbose++;
                     break;

              default:
                     usage ( progname );
              }
       }

       if( argc - optind != 0 ) {
              usage( progname );
       } 

       if( pwfile != NULL ) {
              if( lutil_get_filed_password( pwfile, &passwd )) {
                     return EXIT_FAILURE;
              }
       } else if ( BER_BVISEMPTY( &passwd )) {
              if( newpw == NULL ) {
                     /* prompt for new password */
                     char *cknewpw;
                     newpw = ch_strdup(getpassphrase("New password: "));
                     cknewpw = getpassphrase("Re-enter new password: ");
       
                     if( strcmp( newpw, cknewpw )) {
                            fprintf( stderr, "Password values do not match\n" );
                            return EXIT_FAILURE;
                     }
              }

              passwd.bv_val = newpw;
              passwd.bv_len = strlen(passwd.bv_val);
       } else {
              hash = passwd;
              goto print_pw;
       }

       lutil_passwd_hash( &passwd, scheme, &hash, &text );
       if( hash.bv_val == NULL ) {
              fprintf( stderr,
                     "Password generation failed for scheme %s: %s\n",
                     scheme, text ? text : "" );
              return EXIT_FAILURE;
       }

       if( lutil_passwd( &hash, &passwd, NULL, &text ) ) {
              fprintf( stderr, "Password verification failed. %s\n",
                     text ? text : "" );
              return EXIT_FAILURE;
       }

print_pw:;
       printf( "%s%s" , hash.bv_val, newline );
       return EXIT_SUCCESS;
}

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static void usage ( const char *  s) [static]

Definition at line 45 of file slappasswd.c.

{
       fprintf(stderr,
              "Usage: %s [options]\n"
              "  -c format\tcrypt(3) salt format\n"
              "  -g\t\tgenerate random password\n"
              "  -h hash\tpassword scheme\n"
              "  -n\t\tomit trailing newline\n"
              "  -s secret\tnew password\n"
              "  -u\t\tgenerate RFC2307 values (default)\n"
              "  -v\t\tincrease verbosity\n"
              "  -T file\tread file for new password\n"
              , s );

       exit( EXIT_FAILURE );
}

Variable Documentation

int verbose = 0 [static]

Definition at line 42 of file slappasswd.c.