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Add timestamp-related features

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This commit is contained in:
Michael Theall 2016-01-22 16:38:22 -06:00
parent 55816af44b
commit 74ec300fc8
1 changed files with 88 additions and 7 deletions
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95
source/ftp.c
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@ -57,6 +57,7 @@ FTP_DECLARE(DELE);
FTP_DECLARE(FEAT);
FTP_DECLARE(HELP);
FTP_DECLARE(LIST);
FTP_DECLARE(MDTM);
FTP_DECLARE(MKD);
FTP_DECLARE(MODE);
FTP_DECLARE(NLST);
@ -118,6 +119,7 @@ struct ftp_session_t
int cmd_fd; /*!< socket for command connection */
int pasv_fd; /*!< listen socket for PASV */
int data_fd; /*!< socket for data transfer */
time_t timestamp; /*!< time from last command */
session_flags_t flags; /*!< session flags */
session_state_t state; /*!< session state */
ftp_session_t *next; /*!< link to next session */
@ -160,6 +162,7 @@ static ftp_command_t ftp_commands[] =
FTP_COMMAND(FEAT),
FTP_COMMAND(HELP),
FTP_COMMAND(LIST),
FTP_COMMAND(MDTM),
FTP_COMMAND(MKD),
FTP_COMMAND(MODE),
FTP_COMMAND(NLST),
@ -1225,6 +1228,9 @@ ftp_session_read_command(ftp_session_t *session,
num_ftp_commands, sizeof(ftp_command_t),
ftp_command_cmp);
/* update command timestamp */
session->timestamp = time(NULL);
/* execute the command */
if(command == NULL)
{
@ -1773,6 +1779,9 @@ list_transfer(ftp_session_t *session)
{
ssize_t rc;
size_t len;
uint64_t mtime;
time_t t_mtime;
struct tm *tm;
char *buffer;
struct stat st;
struct dirent *dent;
@ -1842,6 +1851,14 @@ list_transfer(ftp_session_t *session)
st.st_mode = S_IFREG;
st.st_size = dir->entry_data.fileSize;
if((rc = build_path(session, session->lwd, dent->d_name)) != 0)
console_print(RED "build_path: %d %s\n" RESET, errno, strerror(errno));
else if((rc = sdmc_getmtime(session->buffer, &mtime)) != 0)
{
console_print(RED "sdmc_getmtime '%s': 0x%x\n" RESET, session->buffer, rc);
mtime = 0;
}
#else
/* lstat the entry */
if((rc = build_path(session, session->lwd, dent->d_name)) != 0)
@ -1856,8 +1873,9 @@ list_transfer(ftp_session_t *session)
ftp_send_response(session, 550, "unavailable\r\n");
return LOOP_EXIT;
}
#endif
mtime = st.st_mtime;
#endif
/* encode \n in path */
len = strlen(dent->d_name);
buffer = encode_path(dent->d_name, &len, false);
@ -1866,10 +1884,29 @@ list_transfer(ftp_session_t *session)
/* copy to the session buffer to send */
session->buffersize =
sprintf(session->buffer,
"%crwxrwxrwx 1 3DS 3DS %llu Jan 1 1970 ",
"%crwxrwxrwx 1 3DS 3DS %llu ",
S_ISDIR(st.st_mode) ? 'd' :
S_ISLNK(st.st_mode) ? 'l' : '-',
(unsigned long long)st.st_size);
t_mtime = mtime;
tm = gmtime(&t_mtime);
if(tm != NULL)
{
const char *fmt = "%b %e %Y ";
if(session->timestamp > mtime && session->timestamp - mtime < (60*60*24*365/2))
fmt = "%b %e %H:%M ";
session->buffersize +=
strftime(session->buffer + session->buffersize,
sizeof(session->buffer) - session->buffersize,
fmt, tm);
}
else
{
session->buffersize +=
sprintf(session->buffer + session->buffersize, "Jan 1 1970 ");
}
if(session->buffersize + len + 2 > sizeof(session->buffer))
{
/* buffer will overflow */
@ -2471,8 +2508,12 @@ FTP_DECLARE(FEAT)
ftp_session_set_state(session, COMMAND_STATE, 0);
/* our only feature is UTF-8 */
return ftp_send_response(session, -211, "\r\n UTF8\r\n211 End\r\n");
/* list our features */
return ftp_send_response(session, -211, "\r\n"
" MDTM\r\n"
" UTF8\r\n"
"\r\n"
"211 End\r\n");
}
/*! @fn static int HELP(ftp_session_t *session, const char *args)
@ -2493,9 +2534,9 @@ FTP_DECLARE(HELP)
/* list our accepted commands */
return ftp_send_response(session, -214,
"The following commands are recognized\r\n"
" ABOR ALLO APPE CDUP CWD DELE FEAT HELP LIST MKD MODE NLST NOOP OPTS\r\n"
" PASS PASV PORT PWD QUIT REST RETR RMD RNFR RNTO STAT STOR STOU STRU\r\n"
" SYST TYPE USER XCUP XCWD XMKD XPWD XRMD\r\n"
" ABOR ALLO APPE CDUP CWD DELE FEAT HELP LIST MDTM MKD MODE NLST NOOP\r\n"
" OPTS PASS PASV PORT PWD QUIT REST RETR RMD RNFR RNTO STAT STOR STOU\r\n"
" STRU SYST TYPE USER XCUP XCWD XMKD XPWD XRMD\r\n"
"214 End\r\n");
}
@ -2518,6 +2559,46 @@ FTP_DECLARE(LIST)
return ftp_xfer_dir(session, args, XFER_DIR_LIST);
}
/*! @fn static int MDTM(ftp_session_t *session, const char *args)
*
* @brief get last modification time
*
* @param[in] session ftp session
* @param[in] args arguments
*
* @returns error
*/
FTP_DECLARE(MDTM)
{
int rc;
uint64_t mtime;
time_t t_mtime;
struct tm *tm;
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
ftp_session_set_state(session, COMMAND_STATE, 0);
/* build the path */
if(build_path(session, session->cwd, args) != 0)
return ftp_send_response(session, 553, "%s\r\n", strerror(errno));
rc = sdmc_getmtime(session->buffer, &mtime);
if(rc != 0)
return ftp_send_response(session, 550, "Error getting mtime\r\n");
t_mtime = mtime;
tm = gmtime(&t_mtime);
if(tm == NULL)
return ftp_send_response(session, 550, "Error getting mtime\r\n");
session->buffersize = strftime(session->buffer, sizeof(session->buffer), "%Y%m%d%H%M%S", tm);
if(session->buffersize == 0)
return ftp_send_response(session, 550, "Error getting mtime\r\n");
session->buffer[session->buffersize] = 0;
return ftp_send_response(session, 213, "%s\r\n", session->buffer);
}
/*! @fn static int MKD(ftp_session_t *session, const char *args)
*
* @brief create a directory