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-rw-r--r--librpc/ndr/uuid.c49
1 files changed, 35 insertions, 14 deletions
diff --git a/librpc/ndr/uuid.c b/librpc/ndr/uuid.c
index aa24ac4494..2b47246806 100644
--- a/librpc/ndr/uuid.c
+++ b/librpc/ndr/uuid.c
@@ -36,6 +36,7 @@ _PUBLIC_ NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid)
uint32_t clock_seq[2];
uint32_t node[6];
uint8_t buf16[16];
+
DATA_BLOB blob16 = data_blob_const(buf16, sizeof(buf16));
int i;
@@ -43,20 +44,40 @@ _PUBLIC_ NTSTATUS GUID_from_data_blob(const DATA_BLOB *s, struct GUID *guid)
return NT_STATUS_INVALID_PARAMETER;
}
- if (s->length == 36 &&
- 11 == sscanf((const char *)s->data,
- "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
- &time_low, &time_mid, &time_hi_and_version,
- &clock_seq[0], &clock_seq[1],
- &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
- status = NT_STATUS_OK;
- } else if (s->length == 38
- && 11 == sscanf((const char *)s->data,
- "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
- &time_low, &time_mid, &time_hi_and_version,
- &clock_seq[0], &clock_seq[1],
- &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
- status = NT_STATUS_OK;
+ if (s->length == 36) {
+ TALLOC_CTX *mem_ctx;
+ const char *string;
+
+ mem_ctx = talloc_new(NULL);
+ NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
+ string = talloc_strndup(mem_ctx, (const char *)s->data, s->length);
+ NT_STATUS_HAVE_NO_MEMORY(string);
+ if (11 == sscanf(string,
+ "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ &time_low, &time_mid, &time_hi_and_version,
+ &clock_seq[0], &clock_seq[1],
+ &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
+ status = NT_STATUS_OK;
+ }
+ talloc_free(mem_ctx);
+
+ } else if (s->length == 38) {
+ TALLOC_CTX *mem_ctx;
+ const char *string;
+
+ mem_ctx = talloc_new(NULL);
+ NT_STATUS_HAVE_NO_MEMORY(mem_ctx);
+ string = talloc_strndup(mem_ctx, (const char *)s->data, s->length);
+ NT_STATUS_HAVE_NO_MEMORY(string);
+ if (11 == sscanf((const char *)s->data,
+ "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
+ &time_low, &time_mid, &time_hi_and_version,
+ &clock_seq[0], &clock_seq[1],
+ &node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
+ status = NT_STATUS_OK;
+ }
+ talloc_free(mem_ctx);
+
} else if (s->length == 32) {
size_t rlen = strhex_to_str((char *)blob16.data, blob16.length,
(const char *)s->data, s->length);