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heimdal: Handle other types of garbage data

Browse source 
In addition to garbage realm data, also handle garbage dbname, acl_file,
stash_file, and invalid bitmask garbage data.

PR:		267912
Reported by:	Robert Morris <rtm@lcs.mit.edu>
MFC after:	3 days
This commit is contained in:
Cy Schubert 2022-11-24 07:07:43 -08:00
parent 05bc50bdb1
commit 91db848212
1 changed files with 26 additions and 0 deletions
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26
crypto/heimdal/lib/kadm5/marshall.c
View file

@ -333,12 +333,38 @@ _kadm5_unmarshal_params(krb5_context context,
ret = krb5_ret_int32(sp, &mask);
if (ret)
goto out;
if (mask & KADM5_CONFIG_REALM & KADM5_CONFIG_DBNAME
& KADM5_CONFIG_ACL_FILE & KADM5_CONFIG_STASH_FILE) {
ret = EINVAL;
goto out;
}
params->mask = mask;
if (params->mask & KADM5_CONFIG_REALM) {
ret = krb5_ret_string(sp, &params->realm);
if (params->realm == NULL) {
ret = EINVAL;
goto out;
}
}
if (params->mask & KADM5_CONFIG_DBNAME) {
ret = krb5_ret_string(sp, &params->dbname);
if (params->dbname == NULL) {
ret = EINVAL;
goto out;
}
}
if (params->mask & KADM5_CONFIG_ACL_FILE) {
ret = krb5_ret_string(sp, &params->acl_file);
if (params->acl_file == NULL) {
ret = EINVAL;
goto out;
}
}
if (params->mask & KADM5_CONFIG_STASH_FILE) {
ret = krb5_ret_string(sp, &params->stash_file);
if (params->stash_file == NULL) {
ret = EINVAL;
}
}
out: