oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

New options -d' and -r'. From Fabien COELHO <coelho@cri.ensmp.fr>

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1239 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-02-15 12:38:32 +00:00
parent 75bcb1e5c4
commit f2e7484e2a
1 changed files with 133 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

145
appl/otp/otp.c
View File

@@ -40,14 +40,36 @@
RCSID("$Id$");
char *prog;
static char *prog;
#define USAGE_STRING \
"Usage: %s [-r] [-f alg] [-u user] num seed\n" \
" or -[d|l] [-u user]\n" \
" or -h\n"
#define HELP_STRING \
"This program sets, renews, deletes or lists one-time passwords (OTP)\n" \
"\tdefault: set directly OTP\n" \
"\t-r: renew securely OTP\n" \
"\t-d: delete OTP\n" \
"\t-l: list OTP status\n" \
"\t-h: help!\n" \
"\t-u user: specify a user, default is the current user.\n" \
"\t only root can use this option.\n" \
"\t-f alg: encryption algorithm (md4|md5|sha), default is md4.\n" \
"\tnum seed: number of iterations and seed for OTP\n"
static void
help (void)
{
fprintf(stderr, USAGE_STRING HELP_STRING, prog);
exit (0);
}
static void
usage (void)
{
fprintf(stderr,
"Usage: %s [-r] [-f alg] [-u user] num seed\n",
prog);
fprintf(stderr, USAGE_STRING, prog);
exit (1);
}
@@ -139,19 +161,108 @@ set (int argc, char **argv, OtpAlgorithm *alg, char *user)
return ret;
}
/*
* Delete otp of user from the database
*/
static int
delete_otp (int argc, char **argv, char *user)
{
void *db;
OtpContext ctx;
int ret;
if (argc != 0)
usage();
db = otp_db_open ();
if(db == NULL) {
fprintf (stderr, "%s: otp_db_open failed\n", prog);
return 1;
}
ctx.user = user;
ret = otp_delete(db, &ctx);
otp_db_close (db);
return ret;
}
/*
* Get and print out the otp entry for some user
*/
static void
print_otp_entry_for_name (void *db, char *user)
{
OtpContext ctx;
ctx.user = user;
if (!otp_simple_get(db, &ctx)) {
fprintf(stdout, "%s\totp-%s %d %s\n",
ctx.user, ctx.alg->name, ctx.n, ctx.seed);
free(ctx.alg);
}
}
/*
* Print otp entries for one or all users
*/
static int
list_otps (int argc, char **argv, char *user)
{
void *db;
OtpContext ctx;
struct passwd *pw;
if (argc != 0)
usage();
db = otp_db_open ();
if(db == NULL) {
fprintf (stderr, "%s: otp_db_open failed\n", prog);
return 1;
}
if (user)
print_otp_entry_for_name(db, user);
else
/* scans all users... so as to get a deterministic order */
while ((pw = getpwent()))
print_otp_entry_for_name(db, pw->pw_name);
otp_db_close (db);
return 0;
}
int
main (int argc, char **argv)
{
int c;
int renewp = 0;
int renewp = 0, listp = 0, deletep = 0, defaultp = 0;
int uid = getuid();
OtpAlgorithm *alg = otp_find_alg (OTP_ALG_DEFAULT);
char *user = NULL;
struct passwd *pwd;
prog = argv[0];
while ((c = getopt (argc, argv, "rf:u:")) != EOF)
while ((c = getopt (argc, argv, "hrf:u:ld")) != EOF)
switch (c) {
case 'h' :
help();
break;
case 'l' :
listp = 1;
break;
case 'd' :
if (uid != 0) {
fprintf (stderr, "%s: Only root can delete OTPs\n",
prog);
return 1;
}
deletep = 1;
break;
case 'r' :
renewp = 1;
break;
@@ -163,9 +274,8 @@ main (int argc, char **argv)
}
break;
case 'u' :
if (getuid () != 0) {
fprintf (stderr, "%s: Only root can change OTPs for other users\n",
prog);
if (uid != 0) {
fprintf (stderr, "%s: Only root can use `-u'\n", prog);
return 1;
}
user = optarg;
@@ -177,18 +287,29 @@ main (int argc, char **argv)
argc -= optind;
argv += optind;
if (!(listp || deletep || renewp))
defaultp = 1;
if ( listp + deletep + renewp + defaultp != 1) /* one of -d or -l or -r or none */
usage();
if (listp)
return list_otps (argc, argv, user);
if (user == NULL) {
struct passwd *pwd;
pwd = k_getpwuid(getuid());
pwd = k_getpwuid(uid);
if (pwd == NULL) {
fprintf (stderr, "%s: You don't exist\n", prog);
return 1;
}
user = pwd->pw_name;
}
if (renewp)
if (deletep)
return delete_otp (argc, argv, user);
else if (renewp)
return renew (argc, argv, alg, user);
else
return set (argc, argv, alg, user);