static int dochangepwd1(const char *service, const char *uid,
const char *opwd, const char *npwd, int hmac_flag)
{
char *udbs;
char *services;
char *passwords;
int rc;
char *u;
struct userdbs *udb;
udbs=userdbshadow(USERDB "shadow.dat", uid);
if (!udbs)
{
errno=EINVAL;
return (1);
}
if ((services=malloc(strlen(service)+sizeof("pw"))) == 0)
{
perror("malloc");
free(udbs);
errno=EPERM;
return (1);
}
strcat(strcpy(services, service), "pw");
passwords=userdb_gets(udbs, services);
free(services);
if (passwords == 0)
{
passwords=userdb_gets(udbs, "systempw");
service="system";
}
if (!passwords || (hmac_flag ? strcmp(opwd, passwords):
authcheckpassword(opwd, passwords)))
{
if (passwords)
free(passwords);
free(udbs);
errno=EPERM;
return (1);
}
free(passwords);
free(udbs);
userdb_init(USERDB ".dat");
if ( (u=userdb(uid)) == 0 ||
(udb=userdb_creates(u)) == 0)
{
if (u)
free(u);
errno=EPERM;
return (1);
}
rc=dochangepwd2(service, uid, u, udb, npwd);
userdb_frees(udb);
free(u);
return (rc);
}
static int dochangepwd1(const char *service, const char *uid,
const char *opwd, const char *npwd,
const char *hmac_flag)
{
char *udbs;
char *services;
char *passwords;
int rc;
char *u;
struct userdbs *udb;
udbs=userdbshadow(USERDB "shadow.dat", uid);
if (!udbs)
{
errno=ENOENT;
return (-1);
}
if ((services=malloc(strlen(service)+sizeof("pw"))) == 0)
{
perror("malloc");
free(udbs);
errno=EPERM;
return (1);
}
strcat(strcpy(services, service), "pw");
DPRINTF("Checking for password called \"%s\"", services);
passwords=userdb_gets(udbs, services);
free(services);
if (passwords == 0 && hmac_flag == 0)
{
DPRINTF("Not found, checking for \"systempw\"");
passwords=userdb_gets(udbs, "systempw");
service="system";
}
if (!passwords || (hmac_flag ? strcmp(opwd, passwords):
authcheckpassword(opwd, passwords)))
{
if (!passwords)
{
DPRINTF("Password not found.");
}
else
{
DPRINTF("Password didn't match.");
}
if (passwords)
free(passwords);
free(udbs);
errno=EPERM;
return (-1);
}
free(passwords);
free(udbs);
userdb_init(USERDB ".dat");
if ( (u=userdb(uid)) == 0 ||
(udb=userdb_creates(u)) == 0)
{
if (u)
free(u);
errno=EPERM;
return (1);
}
rc=dochangepwd2(service, uid, u, udb, npwd);
userdb_frees(udb);
free(u);
return (rc);
}