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#define ALTPHON_OPT 'a'
#define CAPITALIZE_OPT 'c'
#define NUMERALS_OPT 'n'
#define SECURE_OPT 's'
#define HELP_OPT 'h'
int main(int argc, char **argv)
{
int first_nonopt = 1; /* index of the first non-option in argv */
int is_bad_opt = 0; /* true if unrecognized option */
int cnt, len, wants_secure=0;
char buf[20];
int wants_alternate_phonics = 0; /* boolean from options */
int wants_capitalize = 0; /* boolean from options */
int wants_numerals = 0; /* boolean from options */
int wants_help = 0; /* boolean from options */
int getopt_result;
int longindex = 0;
getopt_result =
getopt_long
(
argc,
argv,
opt_string,
longopts,
&longindex
);
while(getopt_result != EOF)
{
/* process opts here */
switch(getopt_result)
{
case ALTPHON_OPT:
wants_alternate_phonics = 1;
disable_option("ash");
break;
case CAPITALIZE_OPT:
wants_capitalize = 1;
disable_option("csh");
break;
case NUMERALS_OPT:
wants_numerals = 1;
disable_option("nsh");
break;
case SECURE_OPT:
wants_secure = 1;
disable_option("acnsh");
break;
case HELP_OPT:
wants_help = 1;
disable_option("acnsh");
break;
case '?':
default:
is_bad_opt = 1;
break;
}
if(is_bad_opt)
break;
else
getopt_result =
getopt_long
(
argc,
argv,
opt_string,
longopts,
&longindex
);
}
if(wants_help)
{
usage(stdout, argv[0]);
printf("You can use -a, -c or -n in any combination.\n");
printf("You can't use these with -s or vise versa.\n");
printf("\n");
printf("\n");
printf("OPTIONS\n");
printf("\n");
printf(" -a or --alt-phonics\n");
printf(" use a slightly altered phonics table to generate\n");
printf(" syllables.\n");
printf("\n");
printf(" -c or --capitalize\n");
printf(" use (not so) random capitalizations in generated\n");
printf(" passwords\n");
printf("\n");
printf(" -n or --numerals\n");
printf(" use (not so) random placement of numerals in\n");
printf(" generated passwords\n");
printf("\n");
printf(" -s or --secure\n");
printf(" generate totally random, unmemorable, unpronouncable,\n");
printf(" but secure and unguessable passwords\n");
printf("\n");
printf(" -h or --help\n");
printf(" print this message and exit successfully\n");
printf("\n");
printf("\n");
printf("ARGUMENTS\n");
printf("\n");
printf(" maxlength (required with -a, -c, -n or -s)\n");
printf(" a number spec ifying the masimum length\n");
printf(" of each generated password\n");
printf("\n");
printf(" count\n");
printf(" the number of passwords generated. each will\n");
printf(" be on its own line.\n");
printf("\n");
printf("SEE ALSO: man pwgen for details.\n");
printf("\n");
exit(0);
}
else if
(
(argc < first_nonopt + 1)
||
(argc > first_nonopt + 3)
|| (is_bad_opt)
)
{
usage(stderr, argv[0]);
return 1;
}
if ((len = atoi(argv[first_nonopt + 0])) < 4 || len > 16)
{
fprintf
(
stderr,
"%s: invalid maxlength %s\n",
argv[0],
argv[first_nonopt + 0]
);
return 1;
}
if (argc == first_nonopt + 1)
cnt = 1;
else if ((cnt = atoi(argv[first_nonopt + 1])) < 1)
{
fprintf
(
stderr,
"%s: invalid count %s\n",
argv[0],
argv[first_nonopt + 1]
);
return 1;
}
|
