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/*
* myproxy-admin-change-pass
*
* Change credential passphrase directly on MyProxy server.
*/
#include "myproxy_common.h" /* all needed headers included here */
static char usage[] = \
"\n"
"Syntax: myproxy-admin-change-pass [-l username] [-k credname] ... \n"
" myproxy-admin-change-pass [-usage|-help] [-version]\n"
"\n"
" Options\n"
" -h | --help Displays usage\n"
" -u | --usage \n"
" \n"
" -v | --verbose Display debugging messages\n"
" -V | --version Displays version\n"
" -s | --storage <directory> Specifies the credential storage directory\n"
" -l | --username <username> Username for the target proxy\n"
" -k | --credname <name> Specify credential name\n"
" -S | --stdin_pass Read pass phrase from stdin\n"
"\n";
struct option long_options[] =
{
{"help", no_argument, NULL, 'h'},
{"usage", no_argument, NULL, 'u'},
{"storage", required_argument, NULL, 's'},
{"username", required_argument, NULL, 'l'},
{"verbose", no_argument, NULL, 'v'},
{"version", no_argument, NULL, 'V'},
{"credname", required_argument, NULL, 'k'},
{"stdin_pass", no_argument, NULL, 'S'},
{0, 0, 0, 0}
};
static char short_options[] = "hus:l:vVk:S";
static char version[] =
"myproxy-admin-change-pass version " MYPROXY_VERSION " ("
MYPROXY_VERSION_DATE ") " "\n";
void init_arguments(int argc, char *argv[]);
struct myproxy_creds cred = {0};
static int read_passwd_from_stdin = 0;
int
main(int argc, char *argv[])
{
char passphrase[MAX_PASS_LEN+1] = {0};
char new_passphrase[MAX_PASS_LEN+1] = {0};
int rval = 0;
/* check library version */
if (myproxy_check_version()) {
fprintf(stderr, "MyProxy library version mismatch.\n"
"Expecting %s. Found %s.\n",
MYPROXY_VERSION_DATE, myproxy_version(0,0,0));
exit(1);
}
myproxy_log_use_stream (stderr);
/* Initialize arguments*/
init_arguments(argc, argv);
if (cred.username == NULL) { /* set default username */
if (!(cred.username = getenv("LOGNAME"))) {
fprintf(stderr, "Please specify a username.\n");
return 1;
}
}
/*Accept credential passphrase*/
if (read_passwd_from_stdin) {
rval = myproxy_read_passphrase_stdin(passphrase, sizeof(passphrase),
"Enter (current) MyProxy pass phrase:");
} else if (myproxy_creds_encrypted(&cred)) {
rval = myproxy_read_passphrase(passphrase, sizeof(passphrase),
"Enter (current) MyProxy pass phrase:");
}
if (rval == -1) {
verror_print_error(stderr);
return 1;
}
cred.passphrase = passphrase;
/* Accept new passphrase */
if (read_passwd_from_stdin) {
rval = myproxy_read_passphrase_stdin(new_passphrase,
sizeof(new_passphrase),
"Enter new MyProxy pass phrase:");
} else {
rval = myproxy_read_verified_passphrase(new_passphrase,
sizeof(new_passphrase),
"Enter new MyProxy pass phrase:");
}
if (rval == -1) {
verror_print_error(stderr);
return 1;
}
if (myproxy_creds_change_passphrase(&cred, new_passphrase) < 0) {
verror_print_error(stderr);
exit(1);
}
printf("Pass phrase changed.\n");
return 0;
}
void
init_arguments(int argc, char *argv[])
{
extern char *optarg;
int arg;
while((arg = getopt_long(argc, argv, short_options,
long_options, NULL)) != EOF) {
switch(arg) {
case 'h': /* print help and exit */
case 'u': /* print help and exit */
printf("%s", usage);
exit(0);
break;
case 's': /* set the credential storage directory */
myproxy_set_storage_dir(optarg);
break;
case 'l': /* username */
cred.username = strdup(optarg);
break;
case 'k': /* credname */
cred.credname = strdup(optarg);
break;
case 'v': /* verbose */
myproxy_debug_set_level(1);
break;
case 'V': /* print version and exit */
printf("%s", version);
exit(0);
break;
case 'S':
read_passwd_from_stdin = 1;
break;
default: /* print usage and exit */
fprintf(stderr, "%s", usage);
exit(1);
break;
}
}
if (optind != argc) {
fprintf(stderr, "%s: invalid option -- %s\n", argv[0],
argv[optind]);
fprintf(stderr, "%s", usage);
exit(1);
}
return;
}
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