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authorJan Engelhardt <jengelh@inai.de>2013-02-21 13:12:25 +0100
committerJakub Hrozek <jhrozek@redhat.com>2013-02-26 17:16:58 +0100
commit956309e24c32cd0886736bf065a27d5bdd200a77 (patch)
tree4113b531aa9c3db1eef911a15d619e4a11aab2ab /src/db/sysdb.c
parent24a913f47cc883903fbc71e180250da2530eba4a (diff)
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sysdb: try dealing with binary-content attributes
https://fedorahosted.org/sssd/ticket/1818 I have here a LDAP user entry which has this attribute loginAllowedTimeMap:: AAAAAAAAAP///38AAP///38AAP///38AAP///38AAP///38AAAAAAAAA In the function sysdb_attrs_add_string(), called from sdap_attrs_add_ldap_attr(), strlen() is called on this blob, which is the wrong thing to do. The result of strlen is then used to populate the .v_length member of a struct ldb_val - and this will set it to zero in this case. (There is also the problem that there may not be a '\0' at all in the blob.) Subsequently, .v_length being 0 makes ldb_modify(), called from sysdb_set_entry_attr(), return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX. End result is that users do not get stored in the sysdb, and programs like `id` or `getent ...` show incomplete information. The bug was encountered with sssd-1.8.5. sssd-1.5.11 seemed to behave fine, but that may not mean that is the absolute lower boundary of introduction of the problem.
Diffstat (limited to 'src/db/sysdb.c')
-rw-r--r--src/db/sysdb.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/db/sysdb.c b/src/db/sysdb.c
index e7524f4b4..7c3479125 100644
--- a/src/db/sysdb.c
+++ b/src/db/sysdb.c
@@ -512,6 +512,16 @@ int sysdb_attrs_add_string(struct sysdb_attrs *attrs,
return sysdb_attrs_add_val(attrs, name, &v);
}
+int sysdb_attrs_add_mem(struct sysdb_attrs *attrs, const char *name,
+ const void *mem, size_t size)
+{
+ struct ldb_val v;
+
+ v.data = discard_const(mem);
+ v.length = size;
+ return sysdb_attrs_add_val(attrs, name, &v);
+}
+
int sysdb_attrs_add_bool(struct sysdb_attrs *attrs,
const char *name, bool value)
{