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authorAndrew Bartlett <abartlet@samba.org>2008-09-22 17:50:43 -0700
committerAndrew Bartlett <abartlet@samba.org>2008-09-22 17:50:43 -0700
commitc39d1b829b02d275ea1052afec58ab40f22267a3 (patch)
treefa1884b01df6bccebbf7d2bb978eb2d7cd3a0bc4 /source4/libcli
parentaaa45c832596d8f1b75f09f1de8fbee7483f6977 (diff)
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Remove unused parameter from decode_pw_buffer and fail on invalid
UTF-16 input The input checking is important, as otherwise we could set the wrong password. Andrew Bartlett
Diffstat (limited to 'source4/libcli')
-rw-r--r--source4/libcli/auth/smbencrypt.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/source4/libcli/auth/smbencrypt.c b/source4/libcli/auth/smbencrypt.c
index 7de9627302..b50f003b91 100644
--- a/source4/libcli/auth/smbencrypt.c
+++ b/source4/libcli/auth/smbencrypt.c
@@ -497,10 +497,10 @@ bool encode_pw_buffer(uint8_t buffer[516], const char *password, int string_flag
returned password including termination.
************************************************************/
bool decode_pw_buffer(uint8_t in_buffer[516], char *new_pwrd,
- int new_pwrd_size, uint32_t *new_pw_len,
- int string_flags)
+ int new_pwrd_size, int string_flags)
{
int byte_len=0;
+ ssize_t converted_pw_len;
/* the incoming buffer can be any alignment. */
string_flags |= STR_NOALIGN;
@@ -526,13 +526,17 @@ bool decode_pw_buffer(uint8_t in_buffer[516], char *new_pwrd,
}
/* decode into the return buffer. Buffer length supplied */
- *new_pw_len = pull_string(lp_iconv_convenience(global_loadparm), new_pwrd, &in_buffer[512 - byte_len], new_pwrd_size,
+ converted_pw_len = pull_string(lp_iconv_convenience(global_loadparm), new_pwrd, &in_buffer[512 - byte_len], new_pwrd_size,
byte_len, string_flags);
+ if (converted_pw_len == -1) {
+ return false;
+ }
+
#ifdef DEBUG_PASSWORD
DEBUG(100,("decode_pw_buffer: new_pwrd: "));
- dump_data(100, (const uint8_t *)new_pwrd, *new_pw_len);
- DEBUG(100,("multibyte len:%d\n", *new_pw_len));
+ dump_data(100, (const uint8_t *)new_pwrd, converted_pw_len);
+ DEBUG(100,("multibyte len:%d\n", converted_pw_len));
DEBUG(100,("original char len:%d\n", byte_len/2));
#endif