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-rw-r--r--source4/libcli/auth/smbencrypt.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/source4/libcli/auth/smbencrypt.c b/source4/libcli/auth/smbencrypt.c
index 3af7e45002..6eb8767140 100644
--- a/source4/libcli/auth/smbencrypt.c
+++ b/source4/libcli/auth/smbencrypt.c
@@ -536,9 +536,40 @@ bool decode_pw_buffer(uint8_t in_buffer[516], char *new_pwrd,
#ifdef DEBUG_PASSWORD
DEBUG(100,("decode_pw_buffer: new_pwrd: "));
dump_data(100, (const uint8_t *)new_pwrd, converted_pw_len);
- DEBUG(100,("multibyte len:%d\n", converted_pw_len));
+ DEBUG(100,("multibyte len:%d\n", (int)converted_pw_len));
DEBUG(100,("original char len:%d\n", byte_len/2));
#endif
return true;
}
+
+/***********************************************************
+ decode a password buffer
+ *new_pw_size is the length in bytes of the extracted unicode password
+************************************************************/
+bool extract_pw_from_buffer(TALLOC_CTX *mem_ctx,
+ uint8_t in_buffer[516], DATA_BLOB *new_pass)
+{
+ int byte_len=0;
+
+ /* The length of the new password is in the last 4 bytes of the data buffer. */
+
+ byte_len = IVAL(in_buffer, 512);
+
+#ifdef DEBUG_PASSWORD
+ dump_data(100, in_buffer, 516);
+#endif
+
+ /* Password cannot be longer than the size of the password buffer */
+ if ( (byte_len < 0) || (byte_len > 512)) {
+ return false;
+ }
+
+ *new_pass = data_blob_talloc(mem_ctx, &in_buffer[512 - byte_len], byte_len);
+
+ if (!*new_pass->data) {
+ return false;
+ }
+
+ return true;
+}