mirror of
https://github.com/wiiu-env/ftpiiu_plugin.git
synced 2024-11-27 07:04:15 +01:00
Add MLSD and MLST commands
This commit is contained in:
parent
30c1b7a77d
commit
7b1176d374
@ -46,6 +46,8 @@ Supported Commands
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- LIST
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- LIST
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- MDTM
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- MDTM
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- MKD
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- MKD
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- MLSD
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- MLST
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- MODE (no-op)
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- MODE (no-op)
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- NLST
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- NLST
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- NOOP
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- NOOP
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670
source/ftp.c
670
source/ftp.c
@ -1,5 +1,6 @@
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/* This is FTP server implementation is based on RFC 959
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/* This FTP server implementation is based on RFC 959,
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* (https://tools.ietf.org/html/rfc959) and suggested implementation details
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* (https://tools.ietf.org/html/rfc959), RFC 3659
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* (https://tools.ietf.org/html/rfc3659) and suggested implementation details
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* from https://cr.yp.to/ftp/filesystem.html
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* from https://cr.yp.to/ftp/filesystem.html
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*/
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*/
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#include "ftp.h"
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#include "ftp.h"
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@ -60,6 +61,8 @@ FTP_DECLARE(HELP);
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FTP_DECLARE(LIST);
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FTP_DECLARE(LIST);
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FTP_DECLARE(MDTM);
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FTP_DECLARE(MDTM);
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FTP_DECLARE(MKD);
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FTP_DECLARE(MKD);
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FTP_DECLARE(MLSD);
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FTP_DECLARE(MLST);
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FTP_DECLARE(MODE);
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FTP_DECLARE(MODE);
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FTP_DECLARE(NLST);
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FTP_DECLARE(NLST);
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FTP_DECLARE(NOOP);
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FTP_DECLARE(NOOP);
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@ -107,10 +110,28 @@ typedef enum
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SESSION_RECV = BIT(3), /*!< data transfer in source mode */
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SESSION_RECV = BIT(3), /*!< data transfer in source mode */
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SESSION_SEND = BIT(4), /*!< data transfer in sink mode */
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SESSION_SEND = BIT(4), /*!< data transfer in sink mode */
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SESSION_RENAME = BIT(5), /*!< last command was RNFR and buffer contains path */
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SESSION_RENAME = BIT(5), /*!< last command was RNFR and buffer contains path */
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SESSION_NLST = BIT(6), /*!< list command is NLST */
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SESSION_URGENT = BIT(6), /*!< in telnet urgent mode */
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SESSION_URGENT = BIT(7), /*!< in telnet urgent mode */
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} session_flags_t;
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} session_flags_t;
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/*! ftp_xfer_dir mode */
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typedef enum
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{
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XFER_DIR_LIST, /*!< Long list */
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XFER_DIR_MLSD, /*!< Machine list directory */
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XFER_DIR_MLST, /*!< Machine list */
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XFER_DIR_NLST, /*!< Short list */
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XFER_DIR_STAT, /*!< Stat command */
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} xfer_dir_mode_t;
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typedef enum
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{
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SESSION_MLST_TYPE = BIT(0),
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SESSION_MLST_SIZE = BIT(1),
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SESSION_MLST_MODIFY = BIT(2),
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SESSION_MLST_PERM = BIT(3),
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SESSION_MLST_UNIX_MODE = BIT(4),
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} session_mlst_flags_t;
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/*! ftp session */
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/*! ftp session */
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struct ftp_session_t
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struct ftp_session_t
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{
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{
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@ -123,6 +144,8 @@ struct ftp_session_t
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int data_fd; /*!< socket for data transfer */
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int data_fd; /*!< socket for data transfer */
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time_t timestamp; /*!< time from last command */
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time_t timestamp; /*!< time from last command */
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session_flags_t flags; /*!< session flags */
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session_flags_t flags; /*!< session flags */
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xfer_dir_mode_t dir_mode; /*!< dir transfer mode */
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session_mlst_flags_t mlst_flags; /*!< session MLST flags */
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session_state_t state; /*!< session state */
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session_state_t state; /*!< session state */
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ftp_session_t *next; /*!< link to next session */
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ftp_session_t *next; /*!< link to next session */
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ftp_session_t *prev; /*!< link to prev session */
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ftp_session_t *prev; /*!< link to prev session */
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@ -165,6 +188,8 @@ static ftp_command_t ftp_commands[] =
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FTP_COMMAND(LIST),
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FTP_COMMAND(LIST),
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FTP_COMMAND(MDTM),
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FTP_COMMAND(MDTM),
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FTP_COMMAND(MKD),
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FTP_COMMAND(MKD),
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FTP_COMMAND(MLSD),
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FTP_COMMAND(MLST),
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FTP_COMMAND(MODE),
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FTP_COMMAND(MODE),
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FTP_COMMAND(NLST),
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FTP_COMMAND(NLST),
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FTP_COMMAND(NOOP),
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FTP_COMMAND(NOOP),
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@ -673,6 +698,217 @@ ftp_session_set_state(ftp_session_t *session,
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}
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}
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}
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}
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/*! fill directory entry
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*
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* @param[in] session ftp session
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* @param[in] st stat data
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* @param[in] path path to fill
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* @param[in] len path length
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* @param[in] type type fact
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*
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* @returns errno
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*/
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static int
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ftp_session_fill_dirent_type(ftp_session_t *session, const struct stat *st,
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const char *path, size_t len, const char *type)
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{
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session->buffersize = 0;
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if(session->dir_mode == XFER_DIR_MLSD
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|| session->dir_mode == XFER_DIR_MLST)
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{
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if(session->dir_mode == XFER_DIR_MLST)
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session->buffer[session->buffersize++] = ' ';
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if(session->mlst_flags & SESSION_MLST_TYPE)
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{
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/* type fact */
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if(!type)
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{
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type = "???";
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if(S_ISREG(st->st_mode))
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type = "file";
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else if(S_ISDIR(st->st_mode))
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type = "dir";
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#ifndef _3DS
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else if(S_ISLNK(st->st_mode))
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type = "os.unix=symlink";
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else if(S_ISCHR(st->st_mode))
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type = "os.unix=character";
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else if(S_ISBLK(st->st_mode))
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type = "os.unix=block";
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else if(S_ISFIFO(st->st_mode))
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type = "os.unix=fifo";
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else if(S_ISSOCK(st->st_mode))
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type = "os.unix=socket";
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#endif
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}
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session->buffersize +=
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sprintf(session->buffer + session->buffersize, "Type=%s;", type);
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}
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if(session->mlst_flags & SESSION_MLST_SIZE)
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{
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/* size fact */
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session->buffersize +=
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sprintf(session->buffer + session->buffersize, "Size=%lld;",
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(signed long long)st->st_size);
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}
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if(session->mlst_flags & SESSION_MLST_MODIFY)
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{
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/* mtime fact */
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session->buffersize +=
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sprintf(session->buffer + session->buffersize, "Modify=%ld;", st->st_mtime);
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}
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if(session->mlst_flags & SESSION_MLST_PERM)
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{
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/* permission fact */
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strcpy(session->buffer + session->buffersize, "Perm=");
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session->buffersize += strlen("Perm=");
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/* append permission */
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if(S_ISREG(st->st_mode) && (st->st_mode & S_IWUSR))
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session->buffer[session->buffersize++] = 'a';
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/* create permission */
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if(S_ISDIR(st->st_mode) && (st->st_mode & S_IWUSR))
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session->buffer[session->buffersize++] = 'c';
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/* delete permission */
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session->buffer[session->buffersize++] = 'd';
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/* chdir permission */
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if(S_ISDIR(st->st_mode) && (st->st_mode & S_IXUSR))
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session->buffer[session->buffersize++] = 'e';
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/* rename permission */
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session->buffer[session->buffersize++] = 'f';
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/* list permission */
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if(S_ISDIR(st->st_mode) && (st->st_mode & S_IRUSR))
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session->buffer[session->buffersize++] = 'l';
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/* mkdir permission */
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if(S_ISDIR(st->st_mode) && (st->st_mode & S_IWUSR))
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session->buffer[session->buffersize++] = 'm';
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/* delete permission */
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if(S_ISDIR(st->st_mode) && (st->st_mode & S_IWUSR))
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session->buffer[session->buffersize++] = 'p';
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/* read permission */
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if(S_ISREG(st->st_mode) && (st->st_mode & S_IRUSR))
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session->buffer[session->buffersize++] = 'r';
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/* write permission */
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if(S_ISREG(st->st_mode) && (st->st_mode & S_IWUSR))
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session->buffer[session->buffersize++] = 'w';
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session->buffer[session->buffersize++] = ';';
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}
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if(session->mlst_flags & SESSION_MLST_UNIX_MODE)
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{
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/* unix mode fact */
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mode_t mask = S_IRWXU | S_IRWXG | S_IRWXO | S_ISVTX | S_ISGID | S_ISUID;
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session->buffersize =
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sprintf(session->buffer, "UNIX.mode=0%lo;",
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(unsigned long)(st->st_mode & mask));
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}
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/* make sure space precedes name */
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if(session->buffer[session->buffersize-1] != ' ')
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session->buffer[session->buffersize++] = ' ';
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}
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else if(session->dir_mode != XFER_DIR_NLST)
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{
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if(session->dir_mode == XFER_DIR_STAT)
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session->buffer[session->buffersize++] = ' ';
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/* perms nlinks owner group size */
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session->buffersize +=
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sprintf(session->buffer + session->buffersize,
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"%c%c%c%c%c%c%c%c%c%c %lu 3DS 3DS %lld ",
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S_ISREG(st->st_mode) ? '-' :
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S_ISDIR(st->st_mode) ? 'd' :
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#ifndef _3DS
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S_ISLNK(st->st_mode) ? 'l' :
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S_ISCHR(st->st_mode) ? 'c' :
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S_ISBLK(st->st_mode) ? 'b' :
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S_ISFIFO(st->st_mode) ? 'p' :
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S_ISSOCK(st->st_mode) ? 's' :
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#endif
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'?',
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st->st_mode & S_IRUSR ? 'r' : '-',
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st->st_mode & S_IWUSR ? 'w' : '-',
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st->st_mode & S_IXUSR ? 'x' : '-',
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st->st_mode & S_IRGRP ? 'r' : '-',
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st->st_mode & S_IWGRP ? 'w' : '-',
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st->st_mode & S_IXGRP ? 'x' : '-',
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st->st_mode & S_IROTH ? 'r' : '-',
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st->st_mode & S_IWOTH ? 'w' : '-',
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st->st_mode & S_IXOTH ? 'x' : '-',
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(unsigned long)st->st_nlink,
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(signed long long)st->st_size);
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/* timestamp */
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struct tm *tm = gmtime(&st->st_mtime);
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if(tm)
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{
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const char *fmt = "%b %e %Y ";
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if(session->timestamp > st->st_mtime
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&& session->timestamp - st->st_mtime < (60*60*24*365/2))
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{
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fmt = "%b %e %H:%M ";
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}
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session->buffersize +=
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strftime(session->buffer + session->buffersize,
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sizeof(session->buffer) - session->buffersize,
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fmt, tm);
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}
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else
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{
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session->buffersize +=
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sprintf(session->buffer + session->buffersize, "Jan 1 1970 ");
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}
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}
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if(session->buffersize + len + 2 > sizeof(session->buffer))
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{
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/* buffer will overflow */
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return EOVERFLOW;
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}
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/* copy path */
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memcpy(session->buffer+session->buffersize, path, len);
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len = session->buffersize + len;
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session->buffer[len++] = '\r';
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session->buffer[len++] = '\n';
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session->buffersize = len;
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return 0;
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}
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/*! fill directory entry
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*
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* @param[in] session ftp session
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* @param[in] st stat data
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* @param[in] path path to fill
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* @param[in] len path length
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*
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* @returns errno
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*/
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static int
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ftp_session_fill_dirent(ftp_session_t *session, const struct stat *st,
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const char *path, size_t len)
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{
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return ftp_session_fill_dirent_type(session, st, path, len, NULL);
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}
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/*! transfer loop
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/*! transfer loop
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*
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*
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* Try to transfer as much data as the sockets will allow without blocking
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* Try to transfer as much data as the sockets will allow without blocking
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@ -779,6 +1015,45 @@ decode_path(ftp_session_t *session,
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}
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}
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}
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}
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/*! fill cdir directory entry
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*
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* @param[in] session ftp session
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* @param[in] path path to fill
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*
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* @returns errno
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*/
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static int
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ftp_session_fill_dirent_cdir(ftp_session_t *session, const char *path)
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{
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int rc;
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struct stat st;
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char *buffer;
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size_t len;
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rc = stat(path, &st);
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/* double-check this was a directory */
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if(rc == 0 && !S_ISDIR(st.st_mode))
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{
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/* shouldn't happen but just in case */
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rc = -1;
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errno = ENOTDIR;
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}
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if(rc != 0)
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return errno;
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/* encode \n in path */
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len = strlen(path);
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buffer = encode_path(path, &len, false);
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if(!buffer)
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return ENOMEM;
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/* fill dirent with listed directory as type=cdir */
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rc = ftp_session_fill_dirent_type(session, &st, buffer, len, "cdir");
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free(buffer);
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return rc;
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}
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/*! send a response on the command socket
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/*! send a response on the command socket
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*
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*
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* @param[in] session ftp session
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* @param[in] session ftp session
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@ -929,6 +1204,10 @@ ftp_session_new(int listen_fd)
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session->cmd_fd = new_fd;
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session->cmd_fd = new_fd;
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session->pasv_fd = -1;
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session->pasv_fd = -1;
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session->data_fd = -1;
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session->data_fd = -1;
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session->mlst_flags = SESSION_MLST_TYPE
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| SESSION_MLST_SIZE
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| SESSION_MLST_MODIFY
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| SESSION_MLST_PERM;
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session->state = COMMAND_STATE;
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session->state = COMMAND_STATE;
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/* link to the sessions list */
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/* link to the sessions list */
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@ -1869,6 +2148,7 @@ build_path(ftp_session_t *session,
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int rc;
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int rc;
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char *p;
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char *p;
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||||||
|
session->buffersize = 0;
|
||||||
memset(session->buffer, 0, sizeof(session->buffer));
|
memset(session->buffer, 0, sizeof(session->buffer));
|
||||||
|
|
||||||
/* make sure the input is a valid path */
|
/* make sure the input is a valid path */
|
||||||
@ -1881,12 +2161,15 @@ build_path(ftp_session_t *session,
|
|||||||
if(args[0] == '/')
|
if(args[0] == '/')
|
||||||
{
|
{
|
||||||
/* this is an absolute path */
|
/* this is an absolute path */
|
||||||
if(strlen(args) > sizeof(session->buffer)-1)
|
size_t len = strlen(args);
|
||||||
|
if(len > sizeof(session->buffer)-1)
|
||||||
{
|
{
|
||||||
errno = ENAMETOOLONG;
|
errno = ENAMETOOLONG;
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
strncpy(session->buffer, args, sizeof(session->buffer));
|
|
||||||
|
memcpy(session->buffer, args, len);
|
||||||
|
session->buffersize = len;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
@ -1903,16 +2186,21 @@ build_path(ftp_session_t *session,
|
|||||||
errno = ENAMETOOLONG;
|
errno = ENAMETOOLONG;
|
||||||
return -1;
|
return -1;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
session->buffersize = rc;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* remove trailing / */
|
/* remove trailing / */
|
||||||
p = session->buffer + strlen(session->buffer);
|
p = session->buffer + session->buffersize;
|
||||||
while(p > session->buffer && *--p == '/')
|
while(p > session->buffer && *--p == '/')
|
||||||
|
{
|
||||||
*p = 0;
|
*p = 0;
|
||||||
|
--session->buffersize;
|
||||||
|
}
|
||||||
|
|
||||||
/* if we ended with an empty path, it is the root directory */
|
/* if we ended with an empty path, it is the root directory */
|
||||||
if(strlen(session->buffer) == 0)
|
if(session->buffersize == 0)
|
||||||
strcpy(session->buffer, "/");
|
session->buffer[session->buffersize++] = '/';
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
@ -1928,9 +2216,6 @@ list_transfer(ftp_session_t *session)
|
|||||||
{
|
{
|
||||||
ssize_t rc;
|
ssize_t rc;
|
||||||
size_t len;
|
size_t len;
|
||||||
uint64_t mtime;
|
|
||||||
time_t t_mtime;
|
|
||||||
struct tm *tm;
|
|
||||||
char *buffer;
|
char *buffer;
|
||||||
struct stat st;
|
struct stat st;
|
||||||
struct dirent *dent;
|
struct dirent *dent;
|
||||||
@ -1938,8 +2223,8 @@ list_transfer(ftp_session_t *session)
|
|||||||
/* check if we sent all available data */
|
/* check if we sent all available data */
|
||||||
if(session->bufferpos == session->buffersize)
|
if(session->bufferpos == session->buffersize)
|
||||||
{
|
{
|
||||||
/* check if this was a STAT */
|
/* check xfer dir type */
|
||||||
if(session->data_fd == session->cmd_fd)
|
if(session->dir_mode == XFER_DIR_STAT)
|
||||||
rc = 213;
|
rc = 213;
|
||||||
else
|
else
|
||||||
rc = 226;
|
rc = 226;
|
||||||
@ -1968,14 +2253,14 @@ list_transfer(ftp_session_t *session)
|
|||||||
return LOOP_CONTINUE;
|
return LOOP_CONTINUE;
|
||||||
|
|
||||||
/* check if this was a NLST */
|
/* check if this was a NLST */
|
||||||
if(session->flags & SESSION_NLST)
|
if(session->dir_mode == XFER_DIR_NLST)
|
||||||
{
|
{
|
||||||
/* NLST gives the whole path name */
|
/* NLST gives the whole path name */
|
||||||
session->buffersize = 0;
|
session->buffersize = 0;
|
||||||
if(build_path(session, session->lwd, dent->d_name) == 0)
|
if(build_path(session, session->lwd, dent->d_name) == 0)
|
||||||
{
|
{
|
||||||
/* encode \n in path */
|
/* encode \n in path */
|
||||||
len = strlen(session->buffer);
|
len = session->buffersize;
|
||||||
buffer = encode_path(session->buffer, &len, false);
|
buffer = encode_path(session->buffer, &len, false);
|
||||||
if(buffer != NULL)
|
if(buffer != NULL)
|
||||||
{
|
{
|
||||||
@ -2008,13 +2293,27 @@ list_transfer(ftp_session_t *session)
|
|||||||
st.st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
|
st.st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
|
||||||
|
|
||||||
st.st_size = entry->fileSize;
|
st.st_size = entry->fileSize;
|
||||||
|
st.st_mtime = 0;
|
||||||
|
|
||||||
|
bool getmtime = true;
|
||||||
|
if(session->dir_mode == XFER_DIR_MLSD
|
||||||
|
|| session->dir_mode == XFER_DIR_MLST)
|
||||||
|
{
|
||||||
|
if(!(session->mlst_flags & SESSION_MLST_MODIFY))
|
||||||
|
getmtime = false;
|
||||||
|
}
|
||||||
|
else if(session->dir_mode == XFER_DIR_NLST)
|
||||||
|
getmtime = false;
|
||||||
|
|
||||||
if((rc = build_path(session, session->lwd, dent->d_name)) != 0)
|
if((rc = build_path(session, session->lwd, dent->d_name)) != 0)
|
||||||
console_print(RED "build_path: %d %s\n" RESET, errno, strerror(errno));
|
console_print(RED "build_path: %d %s\n" RESET, errno, strerror(errno));
|
||||||
else if((rc = sdmc_getmtime(session->buffer, &mtime)) != 0)
|
else if(getmtime)
|
||||||
{
|
{
|
||||||
|
uint64_t mtime = 0;
|
||||||
|
if((rc = sdmc_getmtime(session->buffer, &mtime)) != 0)
|
||||||
console_print(RED "sdmc_getmtime '%s': 0x%x\n" RESET, session->buffer, rc);
|
console_print(RED "sdmc_getmtime '%s': 0x%x\n" RESET, session->buffer, rc);
|
||||||
mtime = 0;
|
else
|
||||||
|
st.st_mtime = mtime;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
@ -2032,8 +2331,6 @@ list_transfer(ftp_session_t *session)
|
|||||||
ftp_send_response(session, 550, "unavailable\r\n");
|
ftp_send_response(session, 550, "unavailable\r\n");
|
||||||
return LOOP_EXIT;
|
return LOOP_EXIT;
|
||||||
}
|
}
|
||||||
|
|
||||||
mtime = st.st_mtime;
|
|
||||||
}
|
}
|
||||||
#else
|
#else
|
||||||
/* lstat the entry */
|
/* lstat the entry */
|
||||||
@ -2049,68 +2346,20 @@ list_transfer(ftp_session_t *session)
|
|||||||
ftp_send_response(session, 550, "unavailable\r\n");
|
ftp_send_response(session, 550, "unavailable\r\n");
|
||||||
return LOOP_EXIT;
|
return LOOP_EXIT;
|
||||||
}
|
}
|
||||||
|
|
||||||
mtime = st.st_mtime;
|
|
||||||
#endif
|
#endif
|
||||||
/* encode \n in path */
|
/* encode \n in path */
|
||||||
len = strlen(dent->d_name);
|
len = strlen(dent->d_name);
|
||||||
buffer = encode_path(dent->d_name, &len, false);
|
buffer = encode_path(dent->d_name, &len, false);
|
||||||
if(buffer != NULL)
|
if(buffer != NULL)
|
||||||
{
|
{
|
||||||
/* copy to the session buffer to send */
|
rc = ftp_session_fill_dirent(session, &st, buffer, len);
|
||||||
session->buffersize =
|
|
||||||
sprintf(session->buffer,
|
|
||||||
"%c%c%c%c%c%c%c%c%c%c 1 3DS 3DS %lld ",
|
|
||||||
S_ISREG(st.st_mode) ? '-' :
|
|
||||||
S_ISDIR(st.st_mode) ? 'd' :
|
|
||||||
S_ISLNK(st.st_mode) ? 'l' :
|
|
||||||
S_ISCHR(st.st_mode) ? 'c' :
|
|
||||||
S_ISBLK(st.st_mode) ? 'b' :
|
|
||||||
S_ISFIFO(st.st_mode) ? 'p' :
|
|
||||||
S_ISSOCK(st.st_mode) ? 's' : '?',
|
|
||||||
st.st_mode & S_IRUSR ? 'r' : '-',
|
|
||||||
st.st_mode & S_IWUSR ? 'w' : '-',
|
|
||||||
st.st_mode & S_IXUSR ? 'x' : '-',
|
|
||||||
st.st_mode & S_IRGRP ? 'r' : '-',
|
|
||||||
st.st_mode & S_IWGRP ? 'w' : '-',
|
|
||||||
st.st_mode & S_IXGRP ? 'x' : '-',
|
|
||||||
st.st_mode & S_IROTH ? 'r' : '-',
|
|
||||||
st.st_mode & S_IWOTH ? 'w' : '-',
|
|
||||||
st.st_mode & S_IXOTH ? 'x' : '-',
|
|
||||||
(signed 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 */
|
|
||||||
free(buffer);
|
free(buffer);
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
ftp_send_response(session, 425, "%s\r\n", strerror(EOVERFLOW));
|
ftp_send_response(session, 425, "%s\r\n", strerror(rc));
|
||||||
return LOOP_EXIT;
|
return LOOP_EXIT;
|
||||||
}
|
}
|
||||||
memcpy(session->buffer+session->buffersize, buffer, len);
|
|
||||||
free(buffer);
|
|
||||||
len = session->buffersize + len;
|
|
||||||
session->buffer[len++] = '\r';
|
|
||||||
session->buffer[len++] = '\n';
|
|
||||||
session->buffersize = len;
|
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
session->buffersize = 0;
|
session->buffersize = 0;
|
||||||
@ -2338,14 +2587,6 @@ ftp_xfer_file(ftp_session_t *session,
|
|||||||
ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
/*! ftp_xfer_dir mode */
|
|
||||||
typedef enum
|
|
||||||
{
|
|
||||||
XFER_DIR_LIST, /*!< Long list */
|
|
||||||
XFER_DIR_NLST, /*!< Short list */
|
|
||||||
XFER_DIR_STAT, /*!< Stat command */
|
|
||||||
} xfer_dir_mode_t;
|
|
||||||
|
|
||||||
/*! Transfer a directory
|
/*! Transfer a directory
|
||||||
*
|
*
|
||||||
* @param[in] session ftp session
|
* @param[in] session ftp session
|
||||||
@ -2362,11 +2603,11 @@ ftp_xfer_dir(ftp_session_t *session,
|
|||||||
ssize_t rc;
|
ssize_t rc;
|
||||||
size_t len;
|
size_t len;
|
||||||
struct stat st;
|
struct stat st;
|
||||||
const char *base;
|
|
||||||
char *buffer;
|
char *buffer;
|
||||||
|
|
||||||
/* set up the transfer */
|
/* set up the transfer */
|
||||||
session->flags &= ~(SESSION_RECV|SESSION_NLST);
|
session->dir_mode = mode;
|
||||||
|
session->flags &= ~SESSION_RECV;
|
||||||
session->flags |= SESSION_SEND;
|
session->flags |= SESSION_SEND;
|
||||||
|
|
||||||
session->transfer = list_transfer;
|
session->transfer = list_transfer;
|
||||||
@ -2395,10 +2636,11 @@ ftp_xfer_dir(ftp_session_t *session,
|
|||||||
/* error getting stat */
|
/* error getting stat */
|
||||||
rc = errno;
|
rc = errno;
|
||||||
|
|
||||||
/* work around broken clients that think LIST -a is a thing */
|
/* work around broken clients that think LIST -a is valid */
|
||||||
if(workaround && mode == XFER_DIR_LIST)
|
if(workaround && mode == XFER_DIR_LIST)
|
||||||
{
|
{
|
||||||
if(args[0] == '-' && (args[1] == 'a' || args[1] == 'l')) {
|
if(args[0] == '-' && (args[1] == 'a' || args[1] == 'l'))
|
||||||
|
{
|
||||||
if(args[2] == 0)
|
if(args[2] == 0)
|
||||||
buffer = strdup(args+2);
|
buffer = strdup(args+2);
|
||||||
else
|
else
|
||||||
@ -2419,43 +2661,62 @@ ftp_xfer_dir(ftp_session_t *session,
|
|||||||
ftp_send_response(session, 550, "%s\r\n", strerror(rc));
|
ftp_send_response(session, 550, "%s\r\n", strerror(rc));
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
else if(mode == XFER_DIR_MLSD)
|
||||||
/* get the base name */
|
|
||||||
base = strrchr(session->buffer, '/') + 1;
|
|
||||||
|
|
||||||
/* encode \n in path */
|
|
||||||
len = strlen(base);
|
|
||||||
buffer = encode_path(base, &len, false);
|
|
||||||
if(buffer != NULL)
|
|
||||||
{
|
{
|
||||||
/* copy to the session buffer to send */
|
/* specified file instead of directory for MLSD */
|
||||||
session->buffersize =
|
|
||||||
sprintf(session->buffer,
|
|
||||||
"-rwxrwxrwx 1 3DS 3DS %lld Jan 1 1970 ",
|
|
||||||
(signed long long)st.st_size);
|
|
||||||
if(session->buffersize + len + 2 > sizeof(session->buffer))
|
|
||||||
{
|
|
||||||
/* buffer will overflow */
|
|
||||||
free(buffer);
|
|
||||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
ftp_send_response(session, 425, "%s\r\n", strerror(EOVERFLOW));
|
ftp_send_response(session, 501, "%s\r\n", strerror(EINVAL));
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
else if(mode == XFER_DIR_NLST)
|
||||||
memcpy(session->buffer + session->buffersize, buffer, len);
|
{
|
||||||
free(buffer);
|
/* NLST uses full path name */
|
||||||
len = session->buffersize + len;
|
len = session->buffersize;
|
||||||
session->buffer[len++] = '\r';
|
buffer = encode_path(session->buffer, &len, false);
|
||||||
session->buffer[len++] = '\n';
|
|
||||||
session->buffersize = len;
|
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
session->buffersize = 0;
|
{
|
||||||
|
/* everything else uses base name */
|
||||||
|
const char *base = strrchr(session->buffer, '/') + 1;
|
||||||
|
|
||||||
|
len = strlen(base);
|
||||||
|
buffer = encode_path(base, &len, false);
|
||||||
|
}
|
||||||
|
|
||||||
|
if(buffer)
|
||||||
|
{
|
||||||
|
rc = ftp_session_fill_dirent(session, &st, buffer, len);
|
||||||
|
free(buffer);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
rc = ENOMEM;
|
||||||
|
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(rc));
|
||||||
|
return;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* it was a directory, so set it as the lwd */
|
/* it was a directory, so set it as the lwd */
|
||||||
strcpy(session->lwd, session->buffer);
|
memcpy(session->lwd, session->buffer, session->buffersize);
|
||||||
|
session->lwd[session->buffersize] = 0;
|
||||||
|
session->buffersize = 0;
|
||||||
|
|
||||||
|
if(session->dir_mode == XFER_DIR_MLSD
|
||||||
|
&& (session->mlst_flags & SESSION_MLST_TYPE))
|
||||||
|
{
|
||||||
|
/* send this directory as type=cdir */
|
||||||
|
rc = ftp_session_fill_dirent_cdir(session, session->lwd);
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(rc));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else if(ftp_session_open_cwd(session) != 0)
|
else if(ftp_session_open_cwd(session) != 0)
|
||||||
@ -2467,11 +2728,34 @@ ftp_xfer_dir(ftp_session_t *session,
|
|||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* set the lwd as the cwd */
|
/* set the cwd as the lwd */
|
||||||
strcpy(session->lwd, session->cwd);
|
strcpy(session->lwd, session->cwd);
|
||||||
|
session->buffersize = 0;
|
||||||
|
|
||||||
|
if(session->dir_mode == XFER_DIR_MLSD
|
||||||
|
&& (session->mlst_flags & SESSION_MLST_TYPE))
|
||||||
|
{
|
||||||
|
/* send this directory as type=cdir */
|
||||||
|
rc = ftp_session_fill_dirent_cdir(session, session->lwd);
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(rc));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if(session->flags & (SESSION_PORT|SESSION_PASV))
|
if(mode == XFER_DIR_MLST || mode == XFER_DIR_STAT)
|
||||||
|
{
|
||||||
|
/* this is a little different; we have to send the data over the command socket */
|
||||||
|
ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
|
session->data_fd = session->cmd_fd;
|
||||||
|
session->flags |= SESSION_SEND;
|
||||||
|
ftp_send_response(session, -213, "Status\r\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
else if(session->flags & (SESSION_PORT|SESSION_PASV))
|
||||||
{
|
{
|
||||||
ftp_session_set_state(session, DATA_CONNECT_STATE, CLOSE_DATA);
|
ftp_session_set_state(session, DATA_CONNECT_STATE, CLOSE_DATA);
|
||||||
|
|
||||||
@ -2489,17 +2773,8 @@ ftp_xfer_dir(ftp_session_t *session,
|
|||||||
|
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
else if(mode == XFER_DIR_STAT)
|
|
||||||
{
|
|
||||||
/* this is a little different; we have to send the data over the command socket */
|
|
||||||
ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV | CLOSE_DATA);
|
|
||||||
session->data_fd = session->cmd_fd;
|
|
||||||
session->flags |= SESSION_SEND;
|
|
||||||
ftp_send_response(session, -213, "Status\r\n");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* we must have got LIST or NLST without a preceding PORT or PASV */
|
/* we must have got LIST/MLSD/MLST/NLST without a preceding PORT or PASV */
|
||||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||||
ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||||
}
|
}
|
||||||
@ -2567,7 +2842,7 @@ FTP_DECLARE(APPE)
|
|||||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||||
|
|
||||||
/* open the file in append mode */
|
/* open the file in append mode */
|
||||||
return ftp_xfer_file(session, args, XFER_FILE_APPE);
|
ftp_xfer_file(session, args, XFER_FILE_APPE);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*! @fn static void CDUP(ftp_session_t *session, const char *args)
|
/*! @fn static void CDUP(ftp_session_t *session, const char *args)
|
||||||
@ -2694,11 +2969,18 @@ FTP_DECLARE(FEAT)
|
|||||||
/* list our features */
|
/* list our features */
|
||||||
ftp_send_response(session, -211, "\r\n"
|
ftp_send_response(session, -211, "\r\n"
|
||||||
" MDTM\r\n"
|
" MDTM\r\n"
|
||||||
|
" MLST Type%s;Size%s;Modify%s;Perm%s;UNIX.mode%s;\r\n"
|
||||||
" PASV\r\n"
|
" PASV\r\n"
|
||||||
" SIZE\r\n"
|
" SIZE\r\n"
|
||||||
|
" TVFS\r\n"
|
||||||
" UTF8\r\n"
|
" UTF8\r\n"
|
||||||
"\r\n"
|
"\r\n"
|
||||||
"211 End\r\n");
|
"211 End\r\n",
|
||||||
|
session->mlst_flags & SESSION_MLST_TYPE ? "*" : "",
|
||||||
|
session->mlst_flags & SESSION_MLST_SIZE ? "*" : "",
|
||||||
|
session->mlst_flags & SESSION_MLST_MODIFY ? "*" : "",
|
||||||
|
session->mlst_flags & SESSION_MLST_PERM ? "*" : "",
|
||||||
|
session->mlst_flags & SESSION_MLST_UNIX_MODE ? "*" : "");
|
||||||
}
|
}
|
||||||
|
|
||||||
/*! @fn static void HELP(ftp_session_t *session, const char *args)
|
/*! @fn static void HELP(ftp_session_t *session, const char *args)
|
||||||
@ -2717,9 +2999,9 @@ FTP_DECLARE(HELP)
|
|||||||
/* list our accepted commands */
|
/* list our accepted commands */
|
||||||
ftp_send_response(session, -214,
|
ftp_send_response(session, -214,
|
||||||
"The following commands are recognized\r\n"
|
"The following commands are recognized\r\n"
|
||||||
" ABOR ALLO APPE CDUP CWD DELE FEAT HELP LIST MDTM MKD MODE NLST NOOP\r\n"
|
" ABOR ALLO APPE CDUP CWD DELE FEAT HELP LIST MDTM MKD MLSD MLST MODE\r\n"
|
||||||
" OPTS PASS PASV PORT PWD QUIT REST RETR RMD RNFR RNTO STAT STOR STOU\r\n"
|
" NLST NOOP OPTS PASS PASV PORT PWD QUIT REST RETR RMD RNFR RNTO STAT\r\n"
|
||||||
" STRU SYST TYPE USER XCUP XCWD XMKD XPWD XRMD\r\n"
|
" STOR STOU STRU SYST TYPE USER XCUP XCWD XMKD XPWD XRMD\r\n"
|
||||||
"214 End\r\n");
|
"214 End\r\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -2737,7 +3019,7 @@ FTP_DECLARE(LIST)
|
|||||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||||
|
|
||||||
/* open the path in LIST mode */
|
/* open the path in LIST mode */
|
||||||
return ftp_xfer_dir(session, args, XFER_DIR_LIST, true);
|
ftp_xfer_dir(session, args, XFER_DIR_LIST, true);
|
||||||
}
|
}
|
||||||
|
|
||||||
/*! @fn static void MDTM(ftp_session_t *session, const char *args)
|
/*! @fn static void MDTM(ftp_session_t *session, const char *args)
|
||||||
@ -2841,6 +3123,84 @@ FTP_DECLARE(MKD)
|
|||||||
ftp_send_response(session, 250, "OK\r\n");
|
ftp_send_response(session, 250, "OK\r\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*! @fn static void MLSD(ftp_session_t *session, const char *args)
|
||||||
|
*
|
||||||
|
* @brief set transfer mode
|
||||||
|
*
|
||||||
|
* @param[in] session ftp session
|
||||||
|
* @param[in] args arguments
|
||||||
|
*/
|
||||||
|
FTP_DECLARE(MLSD)
|
||||||
|
{
|
||||||
|
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||||
|
|
||||||
|
/* open the path in MLSD mode */
|
||||||
|
ftp_xfer_dir(session, args, XFER_DIR_MLSD, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*! @fn static void MLST(ftp_session_t *session, const char *args)
|
||||||
|
*
|
||||||
|
* @brief set transfer mode
|
||||||
|
*
|
||||||
|
* @param[in] session ftp session
|
||||||
|
* @param[in] args arguments
|
||||||
|
*/
|
||||||
|
FTP_DECLARE(MLST)
|
||||||
|
{
|
||||||
|
struct stat st;
|
||||||
|
int rc;
|
||||||
|
char *path;
|
||||||
|
size_t len;
|
||||||
|
|
||||||
|
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)
|
||||||
|
{
|
||||||
|
ftp_send_response(session, 501, "%s\r\n", strerror(errno));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* stat path */
|
||||||
|
rc = lstat(session->buffer, &st);
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(errno));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* encode \n in path */
|
||||||
|
len = session->buffersize;
|
||||||
|
path = encode_path(session->buffer, &len, true);
|
||||||
|
if(!path)
|
||||||
|
{
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(ENOMEM));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
session->dir_mode = XFER_DIR_MLST;
|
||||||
|
rc = ftp_session_fill_dirent(session, &st, path, len);
|
||||||
|
free(path);
|
||||||
|
if(rc != 0)
|
||||||
|
{
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(errno));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
path = malloc(session->buffersize);
|
||||||
|
if(!path)
|
||||||
|
{
|
||||||
|
ftp_send_response(session, 550, "%s\r\n", strerror(ENOMEM));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
memcpy(path, session->buffer, session->buffersize);
|
||||||
|
ftp_send_response(session, -250, "Status\r\n%s250 End\r\n", path);
|
||||||
|
free(path);
|
||||||
|
}
|
||||||
|
|
||||||
/*! @fn static void MODE(ftp_session_t *session, const char *args)
|
/*! @fn static void MODE(ftp_session_t *session, const char *args)
|
||||||
*
|
*
|
||||||
* @brief set transfer mode
|
* @brief set transfer mode
|
||||||
@ -2909,7 +3269,7 @@ FTP_DECLARE(OPTS)
|
|||||||
|
|
||||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||||
|
|
||||||
/* we only accept the following options */
|
/* we accept the following UTF8 options */
|
||||||
if(strcasecmp(args, "UTF8") == 0
|
if(strcasecmp(args, "UTF8") == 0
|
||||||
|| strcasecmp(args, "UTF8 ON") == 0
|
|| strcasecmp(args, "UTF8 ON") == 0
|
||||||
|| strcasecmp(args, "UTF8 NLST") == 0)
|
|| strcasecmp(args, "UTF8 NLST") == 0)
|
||||||
@ -2918,6 +3278,56 @@ FTP_DECLARE(OPTS)
|
|||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* check MLST options */
|
||||||
|
if(strncasecmp(args, "MLST ", 5) == 0)
|
||||||
|
{
|
||||||
|
static const struct
|
||||||
|
{
|
||||||
|
const char *name;
|
||||||
|
session_mlst_flags_t flag;
|
||||||
|
} mlst_flags[] =
|
||||||
|
{
|
||||||
|
{ "Type;", SESSION_MLST_TYPE, },
|
||||||
|
{ "Size;", SESSION_MLST_SIZE, },
|
||||||
|
{ "Modify;", SESSION_MLST_MODIFY, },
|
||||||
|
{ "Perm;", SESSION_MLST_PERM, },
|
||||||
|
{ "UNIX.mode;", SESSION_MLST_UNIX_MODE, },
|
||||||
|
};
|
||||||
|
static const size_t num_mlst_flags = sizeof(mlst_flags)/sizeof(mlst_flags[0]);
|
||||||
|
|
||||||
|
session_mlst_flags_t flags = 0;
|
||||||
|
args += 5;
|
||||||
|
const char *p = args;
|
||||||
|
while(*p)
|
||||||
|
{
|
||||||
|
for(size_t i = 0; i < num_mlst_flags; ++i)
|
||||||
|
{
|
||||||
|
if(strncasecmp(mlst_flags[i].name, p, strlen(mlst_flags[i].name)) == 0)
|
||||||
|
{
|
||||||
|
flags |= mlst_flags[i].flag;
|
||||||
|
p += strlen(mlst_flags[i].name)-1;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
while(*p && *p != ';')
|
||||||
|
++p;
|
||||||
|
|
||||||
|
if(*p == ';')
|
||||||
|
++p;
|
||||||
|
}
|
||||||
|
|
||||||
|
session->mlst_flags = flags;
|
||||||
|
ftp_send_response(session, 200, "MLST OPTS%s%s%s%s%s%s\r\n",
|
||||||
|
flags ? " " : "",
|
||||||
|
flags & SESSION_MLST_TYPE ? "Type;" : "",
|
||||||
|
flags & SESSION_MLST_SIZE ? "Size;" : "",
|
||||||
|
flags & SESSION_MLST_MODIFY ? "Modify;" : "",
|
||||||
|
flags & SESSION_MLST_PERM ? "Perm;" : "",
|
||||||
|
flags & SESSION_MLST_UNIX_MODE ? "UNIX.mode;" : "");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
ftp_send_response(session, 504, "invalid argument\r\n");
|
ftp_send_response(session, 504, "invalid argument\r\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user