int
mit_prop_dump(void *arg, const char *file)
{
krb5_error_code ret;
char line [2048];
FILE *f;
int lineno = 0;
struct hdb_entry_ex ent;
struct prop_data *pd = arg;
f = fopen(file, "r");
if(f == NULL)
return errno;
while(fgets(line, sizeof(line), f)) {
char *p = line, *q;
int i;
int num_tl_data;
int num_key_data;
int high_kvno;
int attributes;
int tmp;
lineno++;
memset(&ent, 0, sizeof(ent));
q = nexttoken(&p);
if(strcmp(q, "kdb5_util") == 0) {
int major;
q = nexttoken(&p); /* load_dump */
if(strcmp(q, "load_dump"))
errx(1, "line %d: unknown version", lineno);
q = nexttoken(&p); /* load_dump */
if(strcmp(q, "version"))
errx(1, "line %d: unknown version", lineno);
q = nexttoken(&p); /* x.0 */
if(sscanf(q, "%d", &major) != 1)
errx(1, "line %d: unknown version", lineno);
if(major != 4 && major != 5 && major != 6)
errx(1, "unknown dump file format, got %d, expected 4-6",
major);
continue;
} else if(strcmp(q, "policy") == 0) {
continue;
} else if(strcmp(q, "princ") != 0) {
warnx("line %d: not a principal", lineno);
continue;
}
tmp = getint(&p);
if(tmp != 38) {
warnx("line %d: bad base length %d != 38", lineno, tmp);
continue;
}
nexttoken(&p); /* length of principal */
num_tl_data = getint(&p); /* number of tl-data */
num_key_data = getint(&p); /* number of key-data */
getint(&p); /* length of extra data */
q = nexttoken(&p); /* principal name */
krb5_parse_name(pd->context, q, &ent.entry.principal);
attributes = getint(&p); /* attributes */
attr_to_flags(attributes, &ent.entry.flags);
tmp = getint(&p); /* max life */
if(tmp != 0) {
ALLOC(ent.entry.max_life);
*ent.entry.max_life = tmp;
}
tmp = getint(&p); /* max renewable life */
if(tmp != 0) {
ALLOC(ent.entry.max_renew);
*ent.entry.max_renew = tmp;
}
tmp = getint(&p); /* expiration */
if(tmp != 0 && tmp != 2145830400) {
ALLOC(ent.entry.valid_end);
*ent.entry.valid_end = tmp;
}
tmp = getint(&p); /* pw expiration */
if(tmp != 0) {
ALLOC(ent.entry.pw_end);
*ent.entry.pw_end = tmp;
}
nexttoken(&p); /* last auth */
nexttoken(&p); /* last failed auth */
nexttoken(&p); /* fail auth count */
for(i = 0; i < num_tl_data; i++) {
unsigned long val;
int tl_type, tl_length;
unsigned char *buf;
krb5_principal princ;
tl_type = getint(&p); /* data type */
tl_length = getint(&p); /* data length */
#define mit_KRB5_TL_LAST_PWD_CHANGE 1
#define mit_KRB5_TL_MOD_PRINC 2
switch(tl_type) {
case mit_KRB5_TL_LAST_PWD_CHANGE:
buf = malloc(tl_length);
if (buf == NULL)
errx(ENOMEM, "malloc");
getdata(&p, buf, tl_length); /* data itself */
val = buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
free(buf);
ALLOC(ent.entry.extensions);
ALLOC_SEQ(ent.entry.extensions, 1);
ent.entry.extensions->val[0].mandatory = 0;
ent.entry.extensions->val[0].data.element
= choice_HDB_extension_data_last_pw_change;
ent.entry.extensions->val[0].data.u.last_pw_change = val;
break;
case mit_KRB5_TL_MOD_PRINC:
buf = malloc(tl_length);
if (buf == NULL)
errx(ENOMEM, "malloc");
getdata(&p, buf, tl_length); /* data itself */
val = buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
ret = krb5_parse_name(pd->context, (char *)buf + 4, &princ);
if (ret)
krb5_err(pd->context, 1, ret,
"parse_name: %s", (char *)buf + 4);
free(buf);
ALLOC(ent.entry.modified_by);
ent.entry.modified_by->time = val;
ent.entry.modified_by->principal = princ;
break;
default:
nexttoken(&p);
break;
}
}
ALLOC_SEQ(&ent.entry.keys, num_key_data);
high_kvno = -1;
for(i = 0; i < num_key_data; i++) {
int key_versions;
int kvno;
key_versions = getint(&p); /* key data version */
kvno = getint(&p);
/*
* An MIT dump file may contain multiple sets of keys with
* different kvnos. Since the Heimdal database can only represent
* one kvno per principal, we only want the highest set. Assume
* that set will be given first, and discard all keys with lower
* kvnos.
*/
if (kvno > high_kvno && high_kvno != -1)
errx(1, "line %d: high kvno keys given after low kvno keys",
lineno);
else if (kvno < high_kvno) {
nexttoken(&p); /* key type */
nexttoken(&p); /* key length */
nexttoken(&p); /* key */
if (key_versions > 1) {
nexttoken(&p); /* salt type */
nexttoken(&p); /* salt length */
nexttoken(&p); /* salt */
}
ent.entry.keys.len--;
continue;
}
ent.entry.kvno = kvno;
high_kvno = kvno;
ALLOC(ent.entry.keys.val[i].mkvno);
*ent.entry.keys.val[i].mkvno = 1;
/* key version 0 -- actual key */
ent.entry.keys.val[i].key.keytype = getint(&p); /* key type */
tmp = getint(&p); /* key length */
/* the first two bytes of the key is the key length --
skip it */
krb5_data_alloc(&ent.entry.keys.val[i].key.keyvalue, tmp - 2);
q = nexttoken(&p); /* key itself */
hex_to_octet_string(q + 4, &ent.entry.keys.val[i].key.keyvalue);
if(key_versions > 1) {
/* key version 1 -- optional salt */
ALLOC(ent.entry.keys.val[i].salt);
ent.entry.keys.val[i].salt->type = getint(&p); /* salt type */
tmp = getint(&p); /* salt length */
if(tmp > 0) {
krb5_data_alloc(&ent.entry.keys.val[i].salt->salt, tmp - 2);
q = nexttoken(&p); /* salt itself */
hex_to_octet_string(q + 4,
&ent.entry.keys.val[i].salt->salt);
} else {
ent.entry.keys.val[i].salt->salt.length = 0;
ent.entry.keys.val[i].salt->salt.data = NULL;
getint(&p); /* -1, if no data. */
}
fix_salt(pd->context, &ent.entry, i);
}
}
nexttoken(&p); /* extra data */
v5_prop(pd->context, NULL, &ent, arg);
}
fclose(f);
return 0;
}
static int
ka_convert(struct prop_data *pd, int fd, struct ka_entry *ent)
{
int32_t flags = ntohl(ent->flags);
krb5_error_code ret;
hdb_entry_ex hdb;
if(!kaspecials_flag
&& (flags & KAFNORMAL) == 0) /* remove special entries */
return 0;
memset(&hdb, 0, sizeof(hdb));
ret = krb5_425_conv_principal(pd->context, ent->name, ent->instance,
v4_realm, &hdb.entry.principal);
if(ret) {
krb5_warn(pd->context, ret,
"krb5_425_conv_principal (%s.%s@%s)",
ent->name, ent->instance, v4_realm);
return 0;
}
hdb.entry.kvno = ntohl(ent->kvno);
hdb.entry.keys.len = 3;
hdb.entry.keys.val =
malloc(hdb.entry.keys.len * sizeof(*hdb.entry.keys.val));
if (hdb.entry.keys.val == NULL)
krb5_errx(pd->context, ENOMEM, "malloc");
hdb.entry.keys.val[0].mkvno = NULL;
hdb.entry.keys.val[0].salt = calloc(1, sizeof(*hdb.entry.keys.val[0].salt));
if (hdb.entry.keys.val[0].salt == NULL)
krb5_errx(pd->context, ENOMEM, "calloc");
if (ka_use_null_salt) {
hdb.entry.keys.val[0].salt->type = hdb_pw_salt;
hdb.entry.keys.val[0].salt->salt.data = NULL;
hdb.entry.keys.val[0].salt->salt.length = 0;
} else {
hdb.entry.keys.val[0].salt->type = hdb_afs3_salt;
hdb.entry.keys.val[0].salt->salt.data = strdup(afs_cell);
if (hdb.entry.keys.val[0].salt->salt.data == NULL)
krb5_errx(pd->context, ENOMEM, "strdup");
hdb.entry.keys.val[0].salt->salt.length = strlen(afs_cell);
}
hdb.entry.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
krb5_data_copy(&hdb.entry.keys.val[0].key.keyvalue,
ent->key,
sizeof(ent->key));
copy_Key(&hdb.entry.keys.val[0], &hdb.entry.keys.val[1]);
hdb.entry.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
copy_Key(&hdb.entry.keys.val[0], &hdb.entry.keys.val[2]);
hdb.entry.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
ALLOC(hdb.entry.max_life);
*hdb.entry.max_life = ntohl(ent->max_life);
if(ntohl(ent->valid_end) != NEVERDATE && ntohl(ent->valid_end) != 0xffffffff) {
ALLOC(hdb.entry.valid_end);
*hdb.entry.valid_end = ntohl(ent->valid_end);
}
if (ntohl(ent->pw_change) != NEVERDATE &&
ent->pw_expire != 255 &&
ent->pw_expire != 0) {
ALLOC(hdb.entry.pw_end);
*hdb.entry.pw_end = ntohl(ent->pw_change)
+ 24 * 60 * 60 * ent->pw_expire;
}
ret = krb5_make_principal(pd->context, &hdb.entry.created_by.principal,
v4_realm,
"kadmin",
"hprop",
NULL);
hdb.entry.created_by.time = time(NULL);
if(ent->mod_ptr){
struct ka_entry mod;
ALLOC(hdb.entry.modified_by);
read_block(pd->context, fd, ntohl(ent->mod_ptr), &mod, sizeof(mod));
krb5_425_conv_principal(pd->context, mod.name, mod.instance, v4_realm,
&hdb.entry.modified_by->principal);
hdb.entry.modified_by->time = ntohl(ent->mod_time);
memset(&mod, 0, sizeof(mod));
}
hdb.entry.flags.forwardable = 1;
hdb.entry.flags.renewable = 1;
hdb.entry.flags.proxiable = 1;
hdb.entry.flags.postdate = 1;
/* XXX - AFS 3.4a creates krbtgt.REALMOFCELL as NOTGS+NOSEAL */
if (strcmp(ent->name, "krbtgt") == 0 &&
(flags & (KAFNOTGS|KAFNOSEAL)) == (KAFNOTGS|KAFNOSEAL))
flags &= ~(KAFNOTGS|KAFNOSEAL);
hdb.entry.flags.client = (flags & KAFNOTGS) == 0;
hdb.entry.flags.server = (flags & KAFNOSEAL) == 0;
ret = v5_prop(pd->context, NULL, &hdb, pd);
hdb_free_entry(pd->context, &hdb);
return ret;
}
int
mit_prop_dump(void *arg, const char *file)
{
krb5_error_code ret;
char line [2048];
FILE *f;
int lineno = 0;
struct hdb_entry_ex ent;
struct prop_data *pd = arg;
f = fopen(file, "r");
if(f == NULL)
return errno;
while(fgets(line, sizeof(line), f)) {
char *p = line, *q;
int i;
int num_tl_data;
int num_key_data;
int extra_data_length;
int attributes;
int tmp;
lineno++;
memset(&ent, 0, sizeof(ent));
q = nexttoken(&p);
if(strcmp(q, "kdb5_util") == 0) {
int major;
q = nexttoken(&p); /* load_dump */
if(strcmp(q, "load_dump"))
errx(1, "line %d: unknown version", lineno);
q = nexttoken(&p); /* load_dump */
if(strcmp(q, "version"))
errx(1, "line %d: unknown version", lineno);
q = nexttoken(&p); /* x.0 */
if(sscanf(q, "%d", &major) != 1)
errx(1, "line %d: unknown version", lineno);
if(major != 4)
errx(1, "unknown dump file format, got %d, expected 4", major);
continue;
} else if(strcmp(q, "princ") != 0) {
warnx("line %d: not a principal", lineno);
continue;
}
tmp = getint(&p);
if(tmp != 38) {
warnx("line %d: bad base length %d != 38", lineno, tmp);
continue;
}
q = nexttoken(&p); /* length of principal */
num_tl_data = getint(&p); /* number of tl-data */
num_key_data = getint(&p); /* number of key-data */
extra_data_length = getint(&p); /* length of extra data */
q = nexttoken(&p); /* principal name */
krb5_parse_name(pd->context, q, &ent.entry.principal);
attributes = getint(&p); /* attributes */
attr_to_flags(attributes, &ent.entry.flags);
tmp = getint(&p); /* max life */
if(tmp != 0) {
ALLOC(ent.entry.max_life);
*ent.entry.max_life = tmp;
}
tmp = getint(&p); /* max renewable life */
if(tmp != 0) {
ALLOC(ent.entry.max_renew);
*ent.entry.max_renew = tmp;
}
tmp = getint(&p); /* expiration */
if(tmp != 0 && tmp != 2145830400) {
ALLOC(ent.entry.valid_end);
*ent.entry.valid_end = tmp;
}
tmp = getint(&p); /* pw expiration */
if(tmp != 0) {
ALLOC(ent.entry.pw_end);
*ent.entry.pw_end = tmp;
}
q = nexttoken(&p); /* last auth */
q = nexttoken(&p); /* last failed auth */
q = nexttoken(&p); /* fail auth count */
for(i = 0; i < num_tl_data; i++) {
unsigned long val;
int tl_type, tl_length;
unsigned char *buf;
krb5_principal princ;
tl_type = getint(&p); /* data type */
tl_length = getint(&p); /* data length */
#define mit_KRB5_TL_LAST_PWD_CHANGE 1
#define mit_KRB5_TL_MOD_PRINC 2
switch(tl_type) {
case mit_KRB5_TL_MOD_PRINC:
buf = malloc(tl_length);
if (buf == NULL)
errx(ENOMEM, "malloc");
getdata(&p, buf, tl_length); /* data itself */
val = buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
ret = krb5_parse_name(pd->context, (char *)buf + 4, &princ);
free(buf);
ALLOC(ent.entry.modified_by);
ent.entry.modified_by->time = val;
ent.entry.modified_by->principal = princ;
break;
default:
nexttoken(&p);
break;
}
}
ALLOC_SEQ(&ent.entry.keys, num_key_data);
for(i = 0; i < num_key_data; i++) {
int key_versions;
key_versions = getint(&p); /* key data version */
ent.entry.kvno = getint(&p); /* XXX kvno */
ALLOC(ent.entry.keys.val[i].mkvno);
*ent.entry.keys.val[i].mkvno = 0;
/* key version 0 -- actual key */
ent.entry.keys.val[i].key.keytype = getint(&p); /* key type */
tmp = getint(&p); /* key length */
/* the first two bytes of the key is the key length --
skip it */
krb5_data_alloc(&ent.entry.keys.val[i].key.keyvalue, tmp - 2);
q = nexttoken(&p); /* key itself */
hex_to_octet_string(q + 4, &ent.entry.keys.val[i].key.keyvalue);
if(key_versions > 1) {
/* key version 1 -- optional salt */
ALLOC(ent.entry.keys.val[i].salt);
ent.entry.keys.val[i].salt->type = getint(&p); /* salt type */
tmp = getint(&p); /* salt length */
if(tmp > 0) {
krb5_data_alloc(&ent.entry.keys.val[i].salt->salt, tmp - 2);
q = nexttoken(&p); /* salt itself */
hex_to_octet_string(q + 4,
&ent.entry.keys.val[i].salt->salt);
} else {
ent.entry.keys.val[i].salt->salt.length = 0;
ent.entry.keys.val[i].salt->salt.data = NULL;
tmp = getint(&p); /* -1, if no data. */
}
fix_salt(pd->context, &ent.entry, i);
}
}
q = nexttoken(&p); /* extra data */
v5_prop(pd->context, NULL, &ent, arg);
}
fclose(f);
return 0;
}
int
v4_prop(void *arg, struct v4_principal *p)
{
struct prop_data *pd = arg;
hdb_entry_ex ent;
krb5_error_code ret;
memset(&ent, 0, sizeof(ent));
ret = krb5_425_conv_principal(pd->context, p->name, p->instance, v4_realm,
&ent.entry.principal);
if(ret) {
krb5_warn(pd->context, ret,
"krb5_425_conv_principal %s.%s@%s",
p->name, p->instance, v4_realm);
return 0;
}
if(verbose_flag) {
char *s;
krb5_unparse_name_short(pd->context, ent.entry.principal, &s);
krb5_warnx(pd->context, "%s.%s -> %s", p->name, p->instance, s);
free(s);
}
ent.entry.kvno = p->kvno;
ent.entry.keys.len = 3;
ent.entry.keys.val = malloc(ent.entry.keys.len * sizeof(*ent.entry.keys.val));
if (ent.entry.keys.val == NULL)
krb5_errx(pd->context, ENOMEM, "malloc");
if(p->mkvno != -1) {
ent.entry.keys.val[0].mkvno = malloc (sizeof(*ent.entry.keys.val[0].mkvno));
if (ent.entry.keys.val[0].mkvno == NULL)
krb5_errx(pd->context, ENOMEM, "malloc");
*(ent.entry.keys.val[0].mkvno) = p->mkvno;
} else
ent.entry.keys.val[0].mkvno = NULL;
ent.entry.keys.val[0].salt = calloc(1, sizeof(*ent.entry.keys.val[0].salt));
if (ent.entry.keys.val[0].salt == NULL)
krb5_errx(pd->context, ENOMEM, "calloc");
ent.entry.keys.val[0].salt->type = KRB5_PADATA_PW_SALT;
ent.entry.keys.val[0].key.keytype = ETYPE_DES_CBC_MD5;
krb5_data_alloc(&ent.entry.keys.val[0].key.keyvalue, DES_KEY_SZ);
memcpy(ent.entry.keys.val[0].key.keyvalue.data, p->key, 8);
copy_Key(&ent.entry.keys.val[0], &ent.entry.keys.val[1]);
ent.entry.keys.val[1].key.keytype = ETYPE_DES_CBC_MD4;
copy_Key(&ent.entry.keys.val[0], &ent.entry.keys.val[2]);
ent.entry.keys.val[2].key.keytype = ETYPE_DES_CBC_CRC;
{
int life = _krb5_krb_life_to_time(0, p->max_life);
if(life == NEVERDATE){
ent.entry.max_life = NULL;
} else {
/* clean up lifetime a bit */
if(life > 86400)
life = (life + 86399) / 86400 * 86400;
else if(life > 3600)
life = (life + 3599) / 3600 * 3600;
ALLOC(ent.entry.max_life);
*ent.entry.max_life = life;
}
}
ALLOC(ent.entry.valid_end);
*ent.entry.valid_end = p->exp_date;
ret = krb5_make_principal(pd->context, &ent.entry.created_by.principal,
v4_realm,
"kadmin",
"hprop",
NULL);
if(ret){
krb5_warn(pd->context, ret, "krb5_make_principal");
ret = 0;
goto out;
}
ent.entry.created_by.time = time(NULL);
ALLOC(ent.entry.modified_by);
ret = krb5_425_conv_principal(pd->context, p->mod_name, p->mod_instance,
v4_realm, &ent.entry.modified_by->principal);
if(ret){
krb5_warn(pd->context, ret, "%s.%s@%s", p->name, p->instance, v4_realm);
ent.entry.modified_by->principal = NULL;
ret = 0;
goto out;
}
ent.entry.modified_by->time = p->mod_date;
ent.entry.flags.forwardable = 1;
ent.entry.flags.renewable = 1;
ent.entry.flags.proxiable = 1;
ent.entry.flags.postdate = 1;
ent.entry.flags.client = 1;
ent.entry.flags.server = 1;
/* special case password changing service */
if(strcmp(p->name, "changepw") == 0 &&
strcmp(p->instance, "kerberos") == 0) {
ent.entry.flags.forwardable = 0;
ent.entry.flags.renewable = 0;
ent.entry.flags.proxiable = 0;
ent.entry.flags.postdate = 0;
ent.entry.flags.initial = 1;
ent.entry.flags.change_pw = 1;
}
ret = v5_prop(pd->context, NULL, &ent, pd);
if (strcmp (p->name, "krbtgt") == 0
&& strcmp (v4_realm, p->instance) != 0) {
krb5_free_principal (pd->context, ent.entry.principal);
ret = krb5_425_conv_principal (pd->context, p->name,
v4_realm, p->instance,
&ent.entry.principal);
if (ret == 0)
ret = v5_prop (pd->context, NULL, &ent, pd);
}
out:
hdb_free_entry(pd->context, &ent);
return ret;
}
