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Fix decode_path

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This commit is contained in:
Michael Theall 2016-01-29 14:05:25 -06:00
parent 4dba517776
commit 5e8fb219e3
1 changed files with 9 additions and 22 deletions
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31
source/ftp.c
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@ -739,34 +739,21 @@ encode_path(const char *path,
/*! decode a path
*
* @param[in] session ftp session
* @param[in] len command length
*/
static void
decode_path(ftp_session_t *session)
decode_path(ftp_session_t *session,
size_t len)
{
size_t in, out;
size_t diff = 0;
size_t i;
/* decode \0 from the first command */
for(in = out = 0; in < session->cmd_buffersize && session->cmd_buffer[in] != 0; ++in)
for(i = 0; i < len; ++i)
{
if(session->cmd_buffer[in] == 0)
{
/* this is an encoded \r */
session->cmd_buffer[out++] = session->cmd_buffer[in++];
++diff;
/* this is an encoded \n */
if(session->cmd_buffer[i] == 0)
session->cmd_buffer[i] = '\n';
}
else
{
session->cmd_buffer[out++] = session->cmd_buffer[in];
}
}
/* copy remaining buffer */
if(diff > 0)
memmove(session->cmd_buffer + out, session->cmd_buffer + in, session->cmd_buffersize - in);
/* adjust the buffer size */
session->cmd_buffersize -= diff;
}
/*! send a response on the command socket
@ -1213,7 +1200,7 @@ ftp_session_read_command(ftp_session_t *session,
return;
/* decode the command */
decode_path(session);
decode_path(session, i);
/* split command from arguments */
args = buffer = session->cmd_buffer;