/* +----------------------------------------------------------------------+ | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | https://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Andrew Skalski | | Stefan Esser (resume functions) | +----------------------------------------------------------------------+ */ #ifndef FTP_H #define FTP_H #include "php_network.h" #include #ifdef HAVE_NETINET_IN_H #include #endif #define FTP_DEFAULT_TIMEOUT 90 #define FTP_DEFAULT_AUTOSEEK 1 #define FTP_DEFAULT_USEPASVADDRESS 1 #define PHP_FTP_FAILED 0 #define PHP_FTP_FINISHED 1 #define PHP_FTP_MOREDATA 2 /* XXX this should be configurable at runtime XXX */ #define FTP_BUFSIZE 4096 typedef enum ftptype { FTPTYPE_ASCII=1, FTPTYPE_IMAGE } ftptype_t; typedef struct databuf { int listener; /* listener socket */ php_socket_t fd; /* data connection */ ftptype_t type; /* transfer type */ char buf[FTP_BUFSIZE]; /* data buffer */ #ifdef HAVE_FTP_SSL SSL *ssl_handle; /* ssl handle */ int ssl_active; /* flag if ssl is active or not */ #endif } databuf_t; typedef struct ftpbuf { php_socket_t fd; /* control connection */ php_sockaddr_storage localaddr; /* local address */ int resp; /* last response code */ char inbuf[FTP_BUFSIZE]; /* last response text */ char *extra; /* extra characters */ int extralen; /* number of extra chars */ char outbuf[FTP_BUFSIZE]; /* command output buffer */ char *pwd; /* cached pwd */ char *syst; /* cached system type */ ftptype_t type; /* current transfer type */ int pasv; /* 0=off; 1=pasv; 2=ready */ php_sockaddr_storage pasvaddr; /* passive mode address */ zend_long timeout_sec; /* User configurable timeout (seconds) */ int autoseek; /* User configurable autoseek flag */ int usepasvaddress; /* Use the address returned by the pasv command */ databuf_t *data; /* Data connection for "nonblocking" transfers */ php_stream *stream; /* output stream for "nonblocking" transfers */ bool nb; /* "nonblocking" transfer in progress */ char lastch; /* last char of previous call */ bool direction; /* recv = 0 / send = 1 */ bool closestream;/* close or not close stream */ #ifdef HAVE_FTP_SSL bool use_ssl; /* enable(1) or disable(0) ssl */ bool use_ssl_for_data; /* en/disable ssl for the dataconnection */ bool old_ssl; /* old mode = forced data encryption */ bool ssl_active; /* ssl active on control conn */ SSL *ssl_handle; /* handle for control connection */ SSL_SESSION *last_ssl_session; /* last negotiated session */ #endif } ftpbuf_t; /* open a FTP connection, returns ftpbuf (NULL on error) * port is the ftp port in network byte order, or 0 for the default */ ftpbuf_t* ftp_open(const char *host, short port, zend_long timeout_sec); /* quits from the ftp session (it still needs to be closed) * return true on success, false on error */ int ftp_quit(ftpbuf_t *ftp); /* frees up any cached data held in the ftp buffer */ void ftp_gc(ftpbuf_t *ftp); /* close the FTP connection and return NULL */ ftpbuf_t* ftp_close(ftpbuf_t *ftp); /* logs into the FTP server, returns true on success, false on error */ int ftp_login(ftpbuf_t *ftp, const char *user, const size_t user_len, const char *pass, const size_t pass_len); /* reinitializes the connection, returns true on success, false on error */ int ftp_reinit(ftpbuf_t *ftp); /* returns the remote system type (NULL on error) */ const char* ftp_syst(ftpbuf_t *ftp); /* returns the present working directory (NULL on error) */ const char* ftp_pwd(ftpbuf_t *ftp); /* exec a command [special features], return true on success, false on error */ int ftp_exec(ftpbuf_t *ftp, const char *cmd, const size_t cmd_len); /* send a raw ftp command, return response as a hashtable, NULL on error */ void ftp_raw(ftpbuf_t *ftp, const char *cmd, const size_t cmd_len, zval *return_value); /* changes directories, return true on success, false on error */ int ftp_chdir(ftpbuf_t *ftp, const char *dir, const size_t dir_len); /* changes to parent directory, return true on success, false on error */ int ftp_cdup(ftpbuf_t *ftp); /* creates a directory, return the directory name on success, NULL on error. * the return value must be freed */ zend_string* ftp_mkdir(ftpbuf_t *ftp, const char *dir, const size_t dir_len); /* removes a directory, return true on success, false on error */ int ftp_rmdir(ftpbuf_t *ftp, const char *dir, const size_t dir_len); /* Set permissions on a file */ int ftp_chmod(ftpbuf_t *ftp, const int mode, const char *filename, const int filename_len); /* Allocate space on remote server with ALLO command * Many servers will respond with 202 Allocation not necessary, * however some servers will not accept STOR or APPE until ALLO is confirmed. * If response is passed, it is estrdup()ed from ftp->inbuf and must be freed * or assigned to a zval returned to the user */ int ftp_alloc(ftpbuf_t *ftp, const zend_long size, zend_string **response); /* returns a NULL-terminated array of filenames in the given path * or NULL on error. the return array must be freed (but don't * free the array elements) */ char** ftp_nlist(ftpbuf_t *ftp, const char *path, const size_t path_len); /* returns a NULL-terminated array of lines returned by the ftp * LIST command for the given path or NULL on error. the return * array must be freed (but don't * free the array elements) */ char** ftp_list(ftpbuf_t *ftp, const char *path, const size_t path_len, int recursive); /* populates a hashtable with the facts contained in one line of * an MLSD response. */ int ftp_mlsd_parse_line(HashTable *ht, const char *input); /* returns a NULL-terminated array of lines returned by the ftp * MLSD command for the given path or NULL on error. the return * array must be freed (but don't * free the array elements) */ char** ftp_mlsd(ftpbuf_t *ftp, const char *path, const size_t path_len); /* switches passive mode on or off * returns true on success, false on error */ int ftp_pasv(ftpbuf_t *ftp, int pasv); /* retrieves a file and saves its contents to outfp * returns true on success, false on error */ int ftp_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, const size_t path_len, ftptype_t type, zend_long resumepos); /* stores the data from a file, socket, or process as a file on the remote server * returns true on success, false on error */ int ftp_put(ftpbuf_t *ftp, const char *path, const size_t path_len, php_stream *instream, ftptype_t type, zend_long startpos); /* append the data from a file, socket, or process as a file on the remote server * returns true on success, false on error */ int ftp_append(ftpbuf_t *ftp, const char *path, const size_t path_len, php_stream *instream, ftptype_t type); /* returns the size of the given file, or -1 on error */ zend_long ftp_size(ftpbuf_t *ftp, const char *path, const size_t path_len); /* returns the last modified time of the given file, or -1 on error */ time_t ftp_mdtm(ftpbuf_t *ftp, const char *path, const size_t path_len); /* renames a file on the server */ int ftp_rename(ftpbuf_t *ftp, const char *src, const size_t src_len, const char *dest, const size_t dest_len); /* deletes the file from the server */ int ftp_delete(ftpbuf_t *ftp, const char *path, const size_t path_len); /* sends a SITE command to the server */ int ftp_site(ftpbuf_t *ftp, const char *cmd, const size_t cmd_len); /* retrieves part of a file and saves its contents to outfp * returns true on success, false on error */ int ftp_nb_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, const size_t path_len, ftptype_t type, zend_long resumepos); /* stores the data from a file, socket, or process as a file on the remote server * returns true on success, false on error */ int ftp_nb_put(ftpbuf_t *ftp, const char *path, const size_t path_len, php_stream *instream, ftptype_t type, zend_long startpos); /* continues a previous nb_(f)get command */ int ftp_nb_continue_read(ftpbuf_t *ftp); /* continues a previous nb_(f)put command */ int ftp_nb_continue_write(ftpbuf_t *ftp); #endif