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r6726: support binary search elements in ldap_decode()

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(This used to be commit 2b36f1dfdd)
This commit is contained in:
Andrew Tridgell
2005-05-11 05:59:46 +00:00
committed by Gerald (Jerry) Carter
parent 7b18fcd847
commit 49304e965f
1 changed files with 42 additions and 6 deletions
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48
source4/libcli/ldap/ldap.c
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@@ -140,6 +140,39 @@ static struct ldap_val ldap_binary_decode(TALLOC_CTX *mem_ctx, const char *str)
}
/*
encode a blob as a RFC2254 binary string, escaping any
non-printable or '\' characters
*/
static const char *ldap_binary_encode(TALLOC_CTX *mem_ctx, DATA_BLOB blob)
{
int i;
char *ret;
int len = blob.length;
for (i=0;i<blob.length;i++) {
if (!isprint(blob.data[i]) || blob.data[i] == '\\') {
len += 2;
}
}
ret = talloc_array(mem_ctx, char, len+1);
if (ret == NULL) return NULL;
len = 0;
for (i=0;i<blob.length;i++) {
if (!isprint(blob.data[i]) || blob.data[i] == '\\') {
snprintf(ret+len, 4, "\\%02X", blob.data[i]);
len += 3;
} else {
ret[len++] = blob.data[i];
}
}
ret[len] = 0;
return ret;
}
/*
<simple> ::= <attributetype> <filtertype> <attributevalue>
*/
@@ -765,7 +798,7 @@ static BOOL ldap_decode_filter(TALLOC_CTX *mem_ctx, struct asn1_data *data,
}
asn1_end_tag(data);
filter = talloc_asprintf(mem_ctx, "%s)", filter);
filter = talloc_asprintf_append(filter, ")");
break;
}
case 1: {
@@ -790,21 +823,24 @@ static BOOL ldap_decode_filter(TALLOC_CTX *mem_ctx, struct asn1_data *data,
asn1_end_tag(data);
filter = talloc_asprintf(mem_ctx, "%s)", filter);
filter = talloc_asprintf_append(filter, ")");
break;
}
case 3: {
/* equalityMatch */
const char *attrib, *value;
const char *attrib;
DATA_BLOB value;
if (tag_desc != 0xa0) /* context compound */
return False;
asn1_start_tag(data, ASN1_CONTEXT(3));
asn1_read_OctetString_talloc(mem_ctx, data, &attrib);
asn1_read_OctetString_talloc(mem_ctx, data, &value);
asn1_read_OctetString(data, &value);
asn1_end_tag(data);
if ((data->has_error) || (attrib == NULL) || (value == NULL))
if ((data->has_error) || (attrib == NULL) || (value.data == NULL))
return False;
filter = talloc_asprintf(mem_ctx, "(%s=%s)", attrib, value);
filter = talloc_asprintf(mem_ctx, "(%s=%s)",
attrib, ldap_binary_encode(mem_ctx, value));
data_blob_free(&value);
break;
}
case 7: {