mirror of
https://github.com/wiiu-env/ftpiiu_plugin.git
synced 2024-12-22 19:11:47 +01:00
Fix socket/file leaks
This commit is contained in:
Michael Theall
parent
f7156e8ca9
commit
17dfdfcf01
280
source/ftp.c
280
source/ftp.c
@ -18,6 +18,8 @@
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#ifdef _3DS
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#include <3ds.h>
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#define lstat stat
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#else
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#define BIT(x) (1<<(x))
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#endif
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#include "console.h"
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@ -76,6 +78,25 @@ typedef enum
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DATA_TRANSFER_STATE, /*!< data transfer in progress */
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} session_state_t;
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/*! ftp_session_set_state flags */
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typedef enum
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{
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CLOSE_PASV = BIT(0), /*!< Close the pasv_fd */
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CLOSE_DATA = BIT(1), /*!< Close the data_fd */
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} set_state_flags_t;
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/*! ftp_session_t flags */
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typedef enum
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{
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SESSION_BINARY = BIT(0), /*!< data transfers in binary mode */
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SESSION_PASV = BIT(1), /*!< have pasv_addr ready for data transfer command */
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SESSION_PORT = BIT(2), /*!< have peer_addr ready for data transfer command */
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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_RENAME = BIT(5), /*!< last command was RNFR and buffer contains path */
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SESSION_RETRY = BIT(6),
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} session_flags_t;
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/*! ftp session */
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struct ftp_session_t
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{
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@ -85,19 +106,7 @@ struct ftp_session_t
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int cmd_fd; /*!< socket for command connection */
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int pasv_fd; /*!< listen socket for PASV */
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int data_fd; /*!< socket for data transfer */
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/*! data transfers in binary mode */
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#define SESSION_BINARY (1 << 0)
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/*! have pasv_addr ready for data transfer command */
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#define SESSION_PASV (1 << 1)
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/*! have peer_addr ready for data transfer command */
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#define SESSION_PORT (1 << 2)
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/*! data transfer in source mode */
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#define SESSION_RECV (1 << 3)
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/*! data transfer in sink mode */
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#define SESSION_SEND (1 << 4)
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/*! last command was RNFR and buffer contains path */
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#define SESSION_RENAME (1 << 5)
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int flags; /*!< session flags */
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session_flags_t flags; /*!< session flags */
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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 *prev; /*!< link to prev session */
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@ -110,11 +119,8 @@ struct ftp_session_t
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size_t buffersize; /*! persistent buffer size between callbacks */
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uint64_t filepos; /*! persistent file position between callbacks */
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uint64_t filesize; /*! persistent file size between callbacks */
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union
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{
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DIR *dp; /*! persistent open directory pointer between callbacks */
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FILE *fp; /*! persistent open file pointer between callbacks */
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};
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FILE *fp; /*! persistent open file pointer between callbacks */
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DIR *dp; /*! persistent open directory pointer between callbacks */
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};
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/*! ftp command descriptor */
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@ -249,27 +255,31 @@ ftp_set_socket_nonblocking(int fd)
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/*! set socket options
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*
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* @param[in] fd socket
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*
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* @returns failure
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*/
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static void
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static int
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ftp_set_socket_options(int fd)
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{
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int rc;
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/* it's okay if this fails */
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rc = setsockopt(fd, SOL_SOCKET, SO_RCVBUF,
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&sock_buffersize, sizeof(sock_buffersize));
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if(rc != 0)
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{
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console_print(RED "setsockopt: %d %s\n" RESET, errno, strerror(errno));
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return -1;
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}
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/* it's okay if this fails */
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rc = setsockopt(fd, SOL_SOCKET, SO_SNDBUF,
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&sock_buffersize, sizeof(sock_buffersize));
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if(rc != 0)
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{
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console_print(RED "setsockopt: %d %s\n" RESET, errno, strerror(errno));
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return -1;
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}
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return 0;
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}
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/*! close a socket
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@ -317,7 +327,8 @@ static void
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ftp_session_close_cmd(ftp_session_t *session)
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{
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/* close command socket */
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ftp_closesocket(session->cmd_fd, 1);
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if(session->cmd_fd >= 0)
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ftp_closesocket(session->cmd_fd, 1);
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session->cmd_fd = -1;
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}
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@ -328,12 +339,16 @@ ftp_session_close_cmd(ftp_session_t *session)
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static void
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ftp_session_close_pasv(ftp_session_t *session)
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{
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console_print(YELLOW "stop listening on %s:%u\n" RESET,
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inet_ntoa(session->pasv_addr.sin_addr),
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ntohs(session->pasv_addr.sin_port));
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/* close pasv socket */
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ftp_closesocket(session->pasv_fd, 0);
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if(session->pasv_fd >= 0)
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{
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console_print(YELLOW "stop listening on %s:%u\n" RESET,
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inet_ntoa(session->pasv_addr.sin_addr),
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ntohs(session->pasv_addr.sin_port));
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ftp_closesocket(session->pasv_fd, 0);
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}
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session->pasv_fd = -1;
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}
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@ -344,7 +359,8 @@ static void
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ftp_session_close_data(ftp_session_t *session)
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{
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/* close data connection */
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ftp_closesocket(session->data_fd, 1);
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if(session->data_fd >= 0)
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ftp_closesocket(session->data_fd, 1);
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session->data_fd = -1;
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/* clear send/recv flags */
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@ -360,9 +376,13 @@ ftp_session_close_file(ftp_session_t *session)
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{
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int rc;
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rc = fclose(session->fp);
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if(rc != 0)
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console_print(RED "fclose: %d %s\n" RESET, errno, strerror(errno));
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if(session->fp != NULL)
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{
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rc = fclose(session->fp);
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if(rc != 0)
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console_print(RED "fclose: %d %s\n" RESET, errno, strerror(errno));
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}
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session->fp = NULL;
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}
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@ -399,7 +419,6 @@ ftp_session_open_file_read(ftp_session_t *session)
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if(rc != 0)
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{
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console_print(RED "fstat '%s': %d %s\n" RESET, session->buffer, errno, strerror(errno));
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ftp_session_close_file(session);
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return -1;
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}
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session->filesize = st.st_size;
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@ -511,9 +530,12 @@ ftp_session_close_cwd(ftp_session_t *session)
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int rc;
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/* close open directory pointer */
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rc = closedir(session->dp);
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if(rc != 0)
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console_print(RED "closedir: %d %s\n" RESET, errno, strerror(errno));
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if(session->dp != NULL)
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{
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rc = closedir(session->dp);
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if(rc != 0)
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console_print(RED "closedir: %d %s\n" RESET, errno, strerror(errno));
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}
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session->dp = NULL;
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}
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@ -541,33 +563,26 @@ ftp_session_open_cwd(ftp_session_t *session)
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*
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* @param[in] session ftp session
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* @param[in] state state to set
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* @param[in] flags flags
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*/
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static void
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ftp_session_set_state(ftp_session_t *session,
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session_state_t state)
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ftp_session_set_state(ftp_session_t *session,
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session_state_t state,
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set_state_flags_t flags)
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{
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session->state = state;
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switch(state)
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/* close pasv and data sockets */
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if(flags & CLOSE_PASV)
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ftp_session_close_pasv(session);
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if(flags & CLOSE_DATA)
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ftp_session_close_data(session);
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if(state == COMMAND_STATE)
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{
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case COMMAND_STATE:
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/* close pasv and data sockets */
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if(session->pasv_fd >= 0)
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ftp_session_close_pasv(session);
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if(session->data_fd >= 0)
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ftp_session_close_data(session);
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break;
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case DATA_CONNECT_STATE:
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/* close data socket; we are listening for a new one */
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if(session->data_fd >= 0)
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ftp_session_close_data(session);
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break;
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case DATA_TRANSFER_STATE:
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/* close pasv socket; we are connecting for a new one */
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if(session->pasv_fd >= 0)
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ftp_session_close_pasv(session);
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/* close file/cwd */
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ftp_session_close_file(session);
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ftp_session_close_cwd(session);
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}
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}
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@ -638,13 +653,12 @@ ftp_session_destroy(ftp_session_t *session)
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{
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ftp_session_t *next = session->next;
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/* close all sockets */
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if(session->cmd_fd >= 0)
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ftp_session_close_cmd(session);
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if(session->pasv_fd >= 0)
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ftp_session_close_pasv(session);
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if(session->data_fd >= 0)
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ftp_session_close_data(session);
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/* close all sockets/files */
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ftp_session_close_cmd(session);
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ftp_session_close_pasv(session);
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ftp_session_close_data(session);
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ftp_session_close_file(session);
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ftp_session_close_cwd(session);
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/* unlink from sessions list */
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if(session->next)
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@ -779,7 +793,7 @@ ftp_session_accept(ftp_session_t *session)
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if(new_fd < 0)
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{
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console_print(RED "accept: %d %s\n" RESET, errno, strerror(errno));
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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@ -788,7 +802,7 @@ ftp_session_accept(ftp_session_t *session)
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if(rc != 0)
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{
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ftp_closesocket(new_fd, 1);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 425, "Failed to establish connection\r\n");
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return -1;
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}
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@ -796,7 +810,7 @@ ftp_session_accept(ftp_session_t *session)
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console_print(CYAN "accepted connection from %s:%u\n" RESET,
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inet_ntoa(addr.sin_addr), ntohs(addr.sin_port));
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ftp_session_set_state(session, DATA_TRANSFER_STATE);
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ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV);
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session->data_fd = new_fd;
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return 0;
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@ -832,7 +846,13 @@ ftp_session_connect(ftp_session_t *session)
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}
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/* set socket options */
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ftp_set_socket_options(session->data_fd);
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rc = ftp_set_socket_options(session->data_fd);
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if(rc != 0)
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{
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ftp_closesocket(session->data_fd, 0);
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session->data_fd = -1;
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return -1;
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}
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/* connect to peer */
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rc = connect(session->data_fd, (struct sockaddr*)&session->peer_addr,
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@ -966,7 +986,10 @@ ftp_session_poll(ftp_session_t *session)
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/* poll the selected socket */
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rc = poll(&pollinfo, 1, 0);
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if(rc < 0)
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{
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console_print(RED "poll: %d %s\n" RESET, errno, strerror(errno));
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ftp_session_close_cmd(session);
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}
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else if(rc > 0)
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{
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if(pollinfo.revents != 0)
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@ -992,13 +1015,13 @@ ftp_session_poll(ftp_session_t *session)
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/* we need to accept the PASV connection */
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if(pollinfo.revents & (POLLERR|POLLHUP))
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{
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 426, "Data connection failed\r\n");
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}
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else if(pollinfo.revents & POLLIN)
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{
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if(ftp_session_accept(session) != 0)
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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}
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break;
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@ -1009,7 +1032,7 @@ ftp_session_poll(ftp_session_t *session)
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/* we need to transfer data */
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if(pollinfo.revents & (POLLERR|POLLHUP))
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{
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 426, "Data connection failed\r\n");
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}
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else if(pollinfo.revents & (POLLIN|POLLOUT))
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@ -1079,9 +1102,6 @@ ftp_init(void)
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return -1;
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}
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/* set socket options */
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ftp_set_socket_options(listenfd);
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/* get address to listen on */
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serv_addr.sin_family = AF_INET;
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#ifdef _3DS
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@ -1349,8 +1369,7 @@ list_transfer(ftp_session_t *session)
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struct dirent *dent = readdir(session->dp);
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if(dent == NULL)
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{
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 226, "OK\r\n");
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return -1;
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}
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@ -1368,8 +1387,7 @@ list_transfer(ftp_session_t *session)
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if(rc != 0)
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{
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console_print(RED "stat '%s': %d %s\n" RESET, session->buffer, errno, strerror(errno));
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 550, "unavailable\r\n");
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return -1;
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}
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@ -1397,8 +1415,7 @@ list_transfer(ftp_session_t *session)
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else
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console_print(YELLOW "send: %d %s\n" RESET, ECONNRESET, strerror(ECONNRESET));
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ftp_session_close_cwd(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return -1;
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}
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@ -1417,8 +1434,7 @@ retrieve_transfer(ftp_session_t *session)
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rc = ftp_session_read_file(session);
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if(rc <= 0)
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{
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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if(rc < 0)
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ftp_send_response(session, 451, "Failed to read file\r\n");
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else
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@ -1443,8 +1459,7 @@ retrieve_transfer(ftp_session_t *session)
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else
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console_print(YELLOW "send: %d %s\n" RESET, ECONNRESET, strerror(ECONNRESET));
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return -1;
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}
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@ -1470,13 +1485,10 @@ store_transfer(ftp_session_t *session)
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console_print(RED "recv: %d %s\n" RESET, errno, strerror(errno));
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}
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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if(rc == 0)
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{
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ftp_send_response(session, 226, "OK\r\n");
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}
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else
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ftp_send_response(session, 426, "Connection broken during transfer\r\n");
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return -1;
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@ -1489,8 +1501,7 @@ store_transfer(ftp_session_t *session)
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rc = ftp_session_write_file(session);
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if(rc <= 0)
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{
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ftp_session_close_file(session);
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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ftp_send_response(session, 451, "Failed to write file\r\n");
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return -1;
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}
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@ -1509,7 +1520,7 @@ FTP_DECLARE(ALLO)
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{
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console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, 0);
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return ftp_send_response(session, 202, "superfluous command\r\n");
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}
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@ -1519,7 +1530,7 @@ FTP_DECLARE(APPE)
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/* TODO */
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console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
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ftp_session_set_state(session, COMMAND_STATE);
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ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
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||||
|
||||
return ftp_send_response(session, 502, "unavailable\r\n");
|
||||
}
|
||||
@ -1528,7 +1539,7 @@ FTP_DECLARE(CDUP)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
cd_up(session);
|
||||
|
||||
@ -1539,7 +1550,7 @@ FTP_DECLARE(CWD)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(strcmp(args, "..") == 0)
|
||||
{
|
||||
@ -1576,7 +1587,7 @@ FTP_DECLARE(DELE)
|
||||
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(build_path(session, args) != 0)
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(errno));
|
||||
@ -1595,7 +1606,7 @@ FTP_DECLARE(FEAT)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 211, "\r\n UTF8\r\n211 End\r\n");
|
||||
}
|
||||
@ -1608,17 +1619,17 @@ FTP_DECLARE(LIST)
|
||||
|
||||
if(ftp_session_open_cwd(session) != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 550, "unavailable\r\n");
|
||||
}
|
||||
|
||||
if(session->flags & SESSION_PORT)
|
||||
{
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE);
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV);
|
||||
rc = ftp_session_connect(session);
|
||||
if(rc != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 425, "can't open data connection\r\n");
|
||||
}
|
||||
|
||||
@ -1640,11 +1651,11 @@ FTP_DECLARE(LIST)
|
||||
session->bufferpos = 0;
|
||||
session->buffersize = 0;
|
||||
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE);
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE, CLOSE_DATA);
|
||||
return 0;
|
||||
}
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||
}
|
||||
|
||||
@ -1654,13 +1665,13 @@ FTP_DECLARE(MKD)
|
||||
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(build_path(session, args) != 0)
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(errno));
|
||||
|
||||
rc = mkdir(session->buffer, 0755);
|
||||
if(rc != 0)
|
||||
if(rc != 0 && errno != EEXIST)
|
||||
{
|
||||
console_print(RED "mkdir: %d %s\n" RESET, errno, strerror(errno));
|
||||
return ftp_send_response(session, 550, "failed to create directory\r\n");
|
||||
@ -1673,7 +1684,7 @@ FTP_DECLARE(MODE)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(strcasecmp(args, "S") == 0)
|
||||
return ftp_send_response(session, 200, "OK\r\n");
|
||||
@ -1686,7 +1697,7 @@ FTP_DECLARE(NLST)
|
||||
/* TODO */
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
|
||||
return ftp_send_response(session, 504, "unavailable\r\n");
|
||||
}
|
||||
@ -1701,7 +1712,7 @@ FTP_DECLARE(OPTS)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(strcasecmp(args, "UTF8") == 0
|
||||
|| strcasecmp(args, "UTF8 ON") == 0
|
||||
@ -1715,7 +1726,7 @@ FTP_DECLARE(PASS)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 230, "OK\r\n");
|
||||
}
|
||||
@ -1731,7 +1742,7 @@ FTP_DECLARE(PASV)
|
||||
|
||||
memset(buffer, 0, sizeof(buffer));
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
|
||||
session->flags &= ~(SESSION_PASV|SESSION_PORT);
|
||||
|
||||
@ -1742,7 +1753,12 @@ FTP_DECLARE(PASV)
|
||||
return ftp_send_response(session, 451, "\r\n");
|
||||
}
|
||||
|
||||
ftp_set_socket_options(session->pasv_fd);
|
||||
rc = ftp_set_socket_options(session->pasv_fd);
|
||||
if(rc != 0)
|
||||
{
|
||||
ftp_session_close_pasv(session);
|
||||
return ftp_send_response(session, 451, "\r\n");
|
||||
}
|
||||
|
||||
session->pasv_addr.sin_port = htons(next_data_port());
|
||||
|
||||
@ -1760,7 +1776,7 @@ FTP_DECLARE(PASV)
|
||||
return ftp_send_response(session, 451, "\r\n");
|
||||
}
|
||||
|
||||
rc = listen(session->pasv_fd, 5);
|
||||
rc = listen(session->pasv_fd, 1);
|
||||
if(rc != 0)
|
||||
{
|
||||
console_print(RED "listen: %d %s\n" RESET, errno, strerror(errno));
|
||||
@ -1811,7 +1827,7 @@ FTP_DECLARE(PORT)
|
||||
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
|
||||
session->flags &= ~(SESSION_PASV|SESSION_PORT);
|
||||
|
||||
@ -1893,7 +1909,7 @@ FTP_DECLARE(PWD)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 257, "\"%s\"\r\n", session->cwd);
|
||||
}
|
||||
@ -1913,7 +1929,7 @@ FTP_DECLARE(REST)
|
||||
/* TODO */
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 502, "unavailable\r\n");
|
||||
}
|
||||
@ -1927,23 +1943,23 @@ FTP_DECLARE(RETR)
|
||||
if(build_path(session, args) != 0)
|
||||
{
|
||||
rc = errno;
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(rc));
|
||||
}
|
||||
|
||||
if(ftp_session_open_file_read(session) != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 450, "failed to open file\r\n");
|
||||
}
|
||||
|
||||
if(session->flags & SESSION_PORT)
|
||||
{
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE);
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV);
|
||||
rc = ftp_session_connect(session);
|
||||
if(rc != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 425, "can't open data connection\r\n");
|
||||
}
|
||||
|
||||
@ -1965,11 +1981,11 @@ FTP_DECLARE(RETR)
|
||||
session->bufferpos = 0;
|
||||
session->buffersize = 0;
|
||||
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE);
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE, CLOSE_DATA);
|
||||
return 0;
|
||||
}
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||
}
|
||||
|
||||
@ -1979,7 +1995,7 @@ FTP_DECLARE(RMD)
|
||||
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(build_path(session, args) != 0)
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(errno));
|
||||
@ -2000,7 +2016,7 @@ FTP_DECLARE(RNFR)
|
||||
struct stat st;
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(build_path(session, args) != 0)
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(errno));
|
||||
@ -2023,7 +2039,7 @@ FTP_DECLARE(RNTO)
|
||||
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(!(session->flags & SESSION_RENAME))
|
||||
return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||
@ -2054,23 +2070,23 @@ FTP_DECLARE(STOR)
|
||||
if(build_path(session, args) != 0)
|
||||
{
|
||||
rc = errno;
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 553, "%s\r\n", strerror(rc));
|
||||
}
|
||||
|
||||
if(ftp_session_open_file_write(session) != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 450, "failed to open file\r\n");
|
||||
}
|
||||
|
||||
if(session->flags & SESSION_PORT)
|
||||
{
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE);
|
||||
ftp_session_set_state(session, DATA_TRANSFER_STATE, CLOSE_PASV);
|
||||
rc = ftp_session_connect(session);
|
||||
if(rc != 0)
|
||||
{
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 425, "can't open data connection\r\n");
|
||||
}
|
||||
|
||||
@ -2092,11 +2108,11 @@ FTP_DECLARE(STOR)
|
||||
session->bufferpos = 0;
|
||||
session->buffersize = 0;
|
||||
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE);
|
||||
ftp_session_set_state(session, DATA_CONNECT_STATE, CLOSE_DATA);
|
||||
return 0;
|
||||
}
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, CLOSE_PASV | CLOSE_DATA);
|
||||
return ftp_send_response(session, 503, "Bad sequence of commands\r\n");
|
||||
}
|
||||
|
||||
@ -2104,7 +2120,7 @@ FTP_DECLARE(STOU)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 502, "unavailable\r\n");
|
||||
}
|
||||
@ -2113,7 +2129,7 @@ FTP_DECLARE(STRU)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
if(strcasecmp(args, "F") == 0)
|
||||
return ftp_send_response(session, 200, "OK\r\n");
|
||||
@ -2125,7 +2141,7 @@ FTP_DECLARE(SYST)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 215, "UNIX Type: L8\r\n");
|
||||
}
|
||||
@ -2134,7 +2150,7 @@ FTP_DECLARE(TYPE)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 200, "OK\r\n");
|
||||
}
|
||||
@ -2143,7 +2159,7 @@ FTP_DECLARE(USER)
|
||||
{
|
||||
console_print(CYAN "%s %s\n" RESET, __func__, args ? args : "");
|
||||
|
||||
ftp_session_set_state(session, COMMAND_STATE);
|
||||
ftp_session_set_state(session, COMMAND_STATE, 0);
|
||||
|
||||
return ftp_send_response(session, 230, "OK\r\n");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user