diff options
Diffstat (limited to 'ext/ftp/ftp.c')
| -rw-r--r-- | ext/ftp/ftp.c | 1291 |
1 files changed, 0 insertions, 1291 deletions
diff --git a/ext/ftp/ftp.c b/ext/ftp/ftp.c deleted file mode 100644 index 575cb40f45..0000000000 --- a/ext/ftp/ftp.c +++ /dev/null @@ -1,1291 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.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. | - +----------------------------------------------------------------------+ - | Author: Andrew Skalski <askalski@chek.com> | - +----------------------------------------------------------------------+ - */ - -/* $Id$ */ - -#include "php.h" - -#if HAVE_FTP - -#include <stdio.h> -#include <ctype.h> -#include <stdlib.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <fcntl.h> -#include <string.h> -#include <time.h> -#ifdef PHP_WIN32 -#include <winsock.h> -#else -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> -#endif -#include <errno.h> - -#if HAVE_SYS_TIME_H -#include <sys/time.h> -#endif - -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - -#include "ftp.h" -#include "ext/standard/fsock.h" - -/* sends an ftp command, returns true on success, false on error. - * it sends the string "cmd args\r\n" if args is non-null, or - * "cmd\r\n" if args is null - */ -static int ftp_putcmd( ftpbuf_t *ftp, - const char *cmd, - const char *args); - -/* wrapper around send/recv to handle timeouts */ -static int my_send(ftpbuf_t *ftp, int s, void *buf, size_t len); -static int my_recv(ftpbuf_t *ftp, int s, void *buf, size_t len); -static int my_accept(ftpbuf_t *ftp, int s, struct sockaddr *addr, - int *addrlen); - -/* reads a line the socket , returns true on success, false on error */ -static int ftp_readline(ftpbuf_t *ftp); - -/* reads an ftp response, returns true on success, false on error */ -static int ftp_getresp(ftpbuf_t *ftp); - -/* sets the ftp transfer type */ -static int ftp_type(ftpbuf_t *ftp, ftptype_t type); - -/* opens up a data stream */ -static databuf_t* ftp_getdata(ftpbuf_t *ftp); - -/* accepts the data connection, returns updated data buffer */ -static databuf_t* data_accept(databuf_t *data, ftpbuf_t *ftp); - -/* closes the data connection, returns NULL */ -static databuf_t* data_close(databuf_t *data); - -/* generic file lister */ -static char** ftp_genlist(ftpbuf_t *ftp, - const char *cmd, const char *path); - -/* IP and port conversion box */ -union ipbox { - unsigned long l[2]; - unsigned short s[4]; - unsigned char c[8]; -}; - -/* {{{ ftp_open - */ -ftpbuf_t* -ftp_open(const char *host, short port, long timeout_sec) -{ - ftpbuf_t *ftp; - int size; - - - /* alloc the ftp structure */ - ftp = calloc(1, sizeof(*ftp)); - if (ftp == NULL) { - perror("calloc"); - return NULL; - } - - ftp->fd = php_hostconnect(host, (unsigned short) (port ? port : 21), SOCK_STREAM, (int) timeout_sec); - if (ftp->fd == -1) { - goto bail; - } - - /* Default Settings */ - ftp->timeout_sec = timeout_sec; - - size = sizeof(ftp->localaddr); - memset(&ftp->localaddr, 0, size); - if (getsockname(ftp->fd, (struct sockaddr*) &ftp->localaddr, &size) == -1) { - perror("getsockname"); - goto bail; - } - - if (!ftp_getresp(ftp) || ftp->resp != 220) { - goto bail; - } - - return ftp; - -bail: - if (ftp->fd != -1) - closesocket(ftp->fd); - free(ftp); - return NULL; -} -/* }}} */ - -/* {{{ ftp_close - */ -ftpbuf_t* -ftp_close(ftpbuf_t *ftp) -{ - if (ftp == NULL) - return NULL; - if (ftp->fd != -1) - closesocket(ftp->fd); - ftp_gc(ftp); - free(ftp); - return NULL; -} -/* }}} */ - -/* {{{ ftp_gc - */ -void -ftp_gc(ftpbuf_t *ftp) -{ - if (ftp == NULL) - return; - - free(ftp->pwd); - ftp->pwd = NULL; - free(ftp->syst); - ftp->syst = NULL; -} -/* }}} */ - -/* {{{ ftp_quit - */ -int -ftp_quit(ftpbuf_t *ftp) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "QUIT", NULL)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 221) - return 0; - - free(ftp->pwd); - ftp->pwd = NULL; - - return 1; -} -/* }}} */ - -/* {{{ ftp_login - */ -int -ftp_login(ftpbuf_t *ftp, const char *user, const char *pass) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "USER", user)) - return 0; - if (!ftp_getresp(ftp)) - return 0; - if (ftp->resp == 230) - return 1; - if (ftp->resp != 331) - return 0; - if (!ftp_putcmd(ftp, "PASS", pass)) - return 0; - if (!ftp_getresp(ftp)) - return 0; - return (ftp->resp == 230); -} -/* }}} */ - -/* {{{ ftp_reinit - */ -int -ftp_reinit(ftpbuf_t *ftp) -{ - if (ftp == NULL) - return 0; - - ftp_gc(ftp); - - if (!ftp_putcmd(ftp, "REIN", NULL)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 220) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_syst - */ -const char* -ftp_syst(ftpbuf_t *ftp) -{ - char *syst, *end; - - if (ftp == NULL) - return NULL; - - /* default to cached value */ - if (ftp->syst) - return ftp->syst; - - if (!ftp_putcmd(ftp, "SYST", NULL)) - return NULL; - if (!ftp_getresp(ftp) || ftp->resp != 215) - return NULL; - - syst = ftp->inbuf; - if ((end = strchr(syst, ' '))) - *end = 0; - ftp->syst = strdup(syst); - if (end) - *end = ' '; - - return ftp->syst; -} -/* }}} */ - -/* {{{ ftp_pwd - */ -const char* -ftp_pwd(ftpbuf_t *ftp) -{ - char *pwd, *end; - - if (ftp == NULL) - return NULL; - - /* default to cached value */ - if (ftp->pwd) - return ftp->pwd; - - if (!ftp_putcmd(ftp, "PWD", NULL)) - return NULL; - if (!ftp_getresp(ftp) || ftp->resp != 257) - return NULL; - - /* copy out the pwd from response */ - if ((pwd = strchr(ftp->inbuf, '"')) == NULL) - return NULL; - end = strrchr(++pwd, '"'); - *end = 0; - ftp->pwd = strdup(pwd); - *end = '"'; - - return ftp->pwd; -} -/* }}} */ - -/* {{{ ftp_exec - */ -int -ftp_exec(ftpbuf_t *ftp, const char *cmd) -{ - if (ftp == NULL) - return 0; - if (!ftp_putcmd(ftp, "SITE EXEC", cmd)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 200) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_chdir - */ -int -ftp_chdir(ftpbuf_t *ftp, const char *dir) -{ - if (ftp == NULL) - return 0; - - free(ftp->pwd); - ftp->pwd = NULL; - - if (!ftp_putcmd(ftp, "CWD", dir)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 250) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_cdup - */ -int -ftp_cdup(ftpbuf_t *ftp) -{ - if (ftp == NULL) - return 0; - - free(ftp->pwd); - ftp->pwd = NULL; - - if (!ftp_putcmd(ftp, "CDUP", NULL)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 250) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_mkdir - */ -char* -ftp_mkdir(ftpbuf_t *ftp, const char *dir) -{ - char *mkd, *end; - - if (ftp == NULL) - return NULL; - - if (!ftp_putcmd(ftp, "MKD", dir)) - return NULL; - if (!ftp_getresp(ftp) || ftp->resp != 257) - return NULL; - - /* copy out the dir from response */ - if ((mkd = strchr(ftp->inbuf, '"')) == NULL) { - mkd = strdup(dir); - return mkd; - } - - end = strrchr(++mkd, '"'); - *end = 0; - mkd = strdup(mkd); - *end = '"'; - - return mkd; -} -/* }}} */ - -/* {{{ ftp_rmdir - */ -int -ftp_rmdir(ftpbuf_t *ftp, const char *dir) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "RMD", dir)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 250) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_nlist - */ -char** -ftp_nlist(ftpbuf_t *ftp, const char *path) -{ - return ftp_genlist(ftp, "NLST", path); -} -/* }}} */ - -/* {{{ ftp_list - */ -char** -ftp_list(ftpbuf_t *ftp, const char *path, int recursive) -{ - return ftp_genlist(ftp, ((recursive) ? "LIST -R" : "LIST"), path); -} -/* }}} */ - -/* {{{ ftp_type - */ -int -ftp_type(ftpbuf_t *ftp, ftptype_t type) -{ - char typechar[2] = "?"; - - if (ftp == NULL) - return 0; - - if (type == ftp->type) - return 1; - - if (type == FTPTYPE_ASCII) - typechar[0] = 'A'; - else if (type == FTPTYPE_IMAGE) - typechar[0] = 'I'; - else - return 0; - - if (!ftp_putcmd(ftp, "TYPE", typechar)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 200) - return 0; - - ftp->type = type; - - return 1; -} -/* }}} */ - -/* {{{ ftp_pasv - */ -int -ftp_pasv(ftpbuf_t *ftp, int pasv) -{ - char *ptr; - union ipbox ipbox; - unsigned long b[6]; - int n; - struct sockaddr *sa; - struct sockaddr_in *sin; - - if (ftp == NULL) - return 0; - - if (pasv && ftp->pasv == 2) - return 1; - - ftp->pasv = 0; - if (!pasv) - return 1; - - n = sizeof(ftp->pasvaddr); - memset(&ftp->pasvaddr, 0, n); - sa = (struct sockaddr *) &ftp->pasvaddr; - -#ifdef HAVE_IPV6 - if (getpeername(ftp->fd, sa, &n) < 0) - return 0; - - if (sa->sa_family == AF_INET6) { - struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa; - char *endptr, delimiter; - - /* try EPSV first */ - if (!ftp_putcmd(ftp, "EPSV", NULL)) - return 0; - if (!ftp_getresp(ftp)) - return 0; - - if (ftp->resp == 229) { - /* parse out the port */ - for (ptr = ftp->inbuf; *ptr && *ptr != '('; ptr++); - if (!*ptr) - return 0; - delimiter = *++ptr; - for (n = 0; *ptr && n < 3; ptr++) { - if (*ptr == delimiter) - n++; - } - - sin6->sin6_port = htons((unsigned short) strtol(ptr, &endptr, 10)); - if (ptr == endptr || *endptr != delimiter) - return 0; - - ftp->pasv = 2; - return 1; - } - } - - /* fall back to PASV */ -#endif - - if (!ftp_putcmd(ftp, "PASV", NULL)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 227) - return 0; - - /* parse out the IP and port */ - for (ptr = ftp->inbuf; *ptr && !isdigit(*ptr); ptr++); - n = sscanf(ptr, "%lu,%lu,%lu,%lu,%lu,%lu", - &b[0], &b[1], &b[2], &b[3], &b[4], &b[5]); - if (n != 6) - return 0; - - for (n=0; n<6; n++) - ipbox.c[n] = (unsigned char) b[n]; - - sin = (struct sockaddr_in *) sa; - sin->sin_family = AF_INET; - sin->sin_addr.s_addr = ipbox.l[0]; - sin->sin_port = ipbox.s[2]; - - ftp->pasv = 2; - - return 1; -} -/* }}} */ - -/* {{{ ftp_get - */ -int -ftp_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, ftptype_t type) -{ - databuf_t *data = NULL; - char *ptr; - int lastch; - int rcvd; - TSRMLS_FETCH(); - - if (ftp == NULL) - return 0; - - if (!ftp_type(ftp, type)) { - goto bail; - } - - if ((data = ftp_getdata(ftp)) == NULL) { - goto bail; - } - - if (!ftp_putcmd(ftp, "RETR", path)) { - goto bail; - } - if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) { - goto bail; - } - - if ((data = data_accept(data, ftp)) == NULL) { - goto bail; - } - - lastch = 0; - while ((rcvd = my_recv(ftp, data->fd, data->buf, FTP_BUFSIZE))) { - if (rcvd == -1) { - goto bail; - } - - if (type == FTPTYPE_ASCII) { - for (ptr = data->buf; rcvd; rcvd--, ptr++) { - if (lastch == '\r' && *ptr != '\n') - php_stream_putc(outstream, '\r'); - if (*ptr != '\r') - php_stream_putc(outstream, *ptr); - lastch = *ptr; - } - } - else { - php_stream_write(outstream, data->buf, rcvd); - } - } - - if (type == FTPTYPE_ASCII && lastch == '\r') - php_stream_putc(outstream, '\r'); - - data = data_close(data); - - if (php_stream_error(outstream)) { - goto bail; - } - - if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) { - goto bail; - } - - return 1; -bail: - data_close(data); - return 0; -} -/* }}} */ - -/* {{{ ftp_put - */ -int -ftp_put(ftpbuf_t *ftp, const char *path, php_stream *instream, ftptype_t type) -{ - databuf_t *data = NULL; - int size; - char *ptr; - int ch; - TSRMLS_FETCH(); - - if (ftp == NULL) - return 0; - - if (!ftp_type(ftp, type)) - goto bail; - - if ((data = ftp_getdata(ftp)) == NULL) - goto bail; - - if (!ftp_putcmd(ftp, "STOR", path)) - goto bail; - if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) - goto bail; - - if ((data = data_accept(data, ftp)) == NULL) - goto bail; - - size = 0; - ptr = data->buf; - while ((ch = php_stream_getc(instream))!=EOF && !php_stream_eof(instream)) { - /* flush if necessary */ - if (FTP_BUFSIZE - size < 2) { - if (my_send(ftp, data->fd, data->buf, size) != size) - goto bail; - ptr = data->buf; - size = 0; - } - - if (ch == '\n' && type == FTPTYPE_ASCII) { - *ptr++ = '\r'; - size++; - } - - *ptr++ = ch; - size++; - } - - if (size && my_send(ftp, data->fd, data->buf, size) != size) - goto bail; - - if (php_stream_error(instream)) - goto bail; - - data = data_close(data); - - if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) - goto bail; - - return 1; -bail: - data_close(data); - return 0; -} -/* }}} */ - -/* {{{ ftp_size - */ -int -ftp_size(ftpbuf_t *ftp, const char *path) -{ - if (ftp == NULL) - return -1; - - if (!ftp_type(ftp, FTPTYPE_IMAGE)) - return -1; - if (!ftp_putcmd(ftp, "SIZE", path)) - return -1; - if (!ftp_getresp(ftp) || ftp->resp != 213) - return -1; - - return atoi(ftp->inbuf); -} -/* }}} */ - -/* {{{ ftp_mdtm - */ -time_t -ftp_mdtm(ftpbuf_t *ftp, const char *path) -{ - time_t stamp; - struct tm *gmt, tmbuf; - struct tm tm; - char *ptr; - int n; - - if (ftp == NULL) - return -1; - - if (!ftp_putcmd(ftp, "MDTM", path)) - return -1; - if (!ftp_getresp(ftp) || ftp->resp != 213) - return -1; - - /* parse out the timestamp */ - for (ptr = ftp->inbuf; *ptr && !isdigit(*ptr); ptr++); - n = sscanf(ptr, "%4u%2u%2u%2u%2u%2u", - &tm.tm_year, &tm.tm_mon, &tm.tm_mday, - &tm.tm_hour, &tm.tm_min, &tm.tm_sec); - if (n != 6) - return -1; - tm.tm_year -= 1900; - tm.tm_mon--; - tm.tm_isdst = -1; - - /* figure out the GMT offset */ - stamp = time(NULL); - gmt = php_gmtime_r(&stamp, &tmbuf); - gmt->tm_isdst = -1; - - /* apply the GMT offset */ - tm.tm_sec += stamp - mktime(gmt); - tm.tm_isdst = gmt->tm_isdst; - - stamp = mktime(&tm); - - return stamp; -} -/* }}} */ - -/* {{{ ftp_delete - */ -int -ftp_delete(ftpbuf_t *ftp, const char *path) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "DELE", path)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 250) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_rename - */ -int -ftp_rename(ftpbuf_t *ftp, const char *src, const char *dest) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "RNFR", src)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 350) - return 0; - - if (!ftp_putcmd(ftp, "RNTO", dest)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp != 250) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_site - */ -int -ftp_site(ftpbuf_t *ftp, const char *cmd) -{ - if (ftp == NULL) - return 0; - - if (!ftp_putcmd(ftp, "SITE", cmd)) - return 0; - if (!ftp_getresp(ftp) || ftp->resp < 200 || ftp->resp >= 300) - return 0; - - return 1; -} -/* }}} */ - -/* static functions */ - -/* {{{ ftp_putcmd - */ -int -ftp_putcmd(ftpbuf_t *ftp, const char *cmd, const char *args) -{ - int size; - char *data; - - /* build the output buffer */ - if (args && args[0]) { - /* "cmd args\r\n\0" */ - if (strlen(cmd) + strlen(args) + 4 > FTP_BUFSIZE) - return 0; - size = sprintf(ftp->outbuf, "%s %s\r\n", cmd, args); - } - else { - /* "cmd\r\n\0" */ - if (strlen(cmd) + 3 > FTP_BUFSIZE) - return 0; - size = sprintf(ftp->outbuf, "%s\r\n", cmd); - } - - data = ftp->outbuf; - if (my_send(ftp, ftp->fd, data, size) != size) - return 0; - - return 1; -} -/* }}} */ - -/* {{{ ftp_readline - */ -int -ftp_readline(ftpbuf_t *ftp) -{ - int size, rcvd; - char *data, *eol; - - /* shift the extra to the front */ - size = FTP_BUFSIZE; - rcvd = 0; - if (ftp->extra) { - memmove(ftp->inbuf, ftp->extra, ftp->extralen); - rcvd = ftp->extralen; - } - - data = ftp->inbuf; - - do { - size -= rcvd; - for (eol = data; rcvd; rcvd--, eol++) { - if (*eol == '\r') { - *eol = 0; - ftp->extra = eol + 1; - if (rcvd > 1 && *(eol + 1) == '\n') { - ftp->extra++; - rcvd--; - } - if ((ftp->extralen = --rcvd) == 0) - ftp->extra = NULL; - return 1; - } - else if (*eol == '\n') { - *eol = 0; - ftp->extra = eol + 1; - if ((ftp->extralen = --rcvd) == 0) - ftp->extra = NULL; - return 1; - } - } - - data = eol; - if ((rcvd = my_recv(ftp, ftp->fd, data, size)) < 1) { - return 0; - } - } while (size); - - return 0; -} -/* }}} */ - -/* {{{ ftp_getresp - */ -int -ftp_getresp(ftpbuf_t *ftp) -{ - char *buf; - - if (ftp == NULL) return 0; - buf = ftp->inbuf; - ftp->resp = 0; - - while (1) { - - if (!ftp_readline(ftp)) { - return 0; - } - - /* Break out when the end-tag is found */ - if (isdigit(ftp->inbuf[0]) && - isdigit(ftp->inbuf[1]) && - isdigit(ftp->inbuf[2]) && - ftp->inbuf[3] == ' ') { - break; - } - } - - /* translate the tag */ - if (!isdigit(ftp->inbuf[0]) || - !isdigit(ftp->inbuf[1]) || - !isdigit(ftp->inbuf[2])) - { - return 0; - } - - ftp->resp = 100 * (ftp->inbuf[0] - '0') + - 10 * (ftp->inbuf[1] - '0') + - (ftp->inbuf[2] - '0'); - - memmove(ftp->inbuf, ftp->inbuf + 4, FTP_BUFSIZE - 4); - - return 1; -} -/* }}} */ - -/* {{{ my_send - */ -int -my_send(ftpbuf_t *ftp, int s, void *buf, size_t len) -{ - fd_set write_set; - struct timeval tv; - int n, size, sent; - - size = len; - while (size) { - tv.tv_sec = ftp->timeout_sec; - tv.tv_usec = 0; - - FD_ZERO(&write_set); - FD_SET(s, &write_set); - n = select(s + 1, NULL, &write_set, NULL, &tv); - if (n < 1) { -#ifndef PHP_WIN32 - if (n == 0) - errno = ETIMEDOUT; -#endif - return -1; - } - - sent = send(s, buf, size, 0); - if (sent == -1) - return -1; - - buf = (char*) buf + sent; - size -= sent; - } - - return len; -} -/* }}} */ - -/* {{{ my_recv - */ -int -my_recv(ftpbuf_t *ftp, int s, void *buf, size_t len) -{ - fd_set read_set; - struct timeval tv; - int n; - - tv.tv_sec = ftp->timeout_sec; - tv.tv_usec = 0; - - FD_ZERO(&read_set); - FD_SET(s, &read_set); - n = select(s + 1, &read_set, NULL, NULL, &tv); - if (n < 1) { -#ifndef PHP_WIN32 - if (n == 0) - errno = ETIMEDOUT; -#endif - return -1; - } - - return recv(s, buf, len, 0); -} -/* }}} */ - -/* {{{ my_accept - */ -int -my_accept(ftpbuf_t *ftp, int s, struct sockaddr *addr, int *addrlen) -{ - fd_set accept_set; - struct timeval tv; - int n; - - tv.tv_sec = ftp->timeout_sec; - tv.tv_usec = 0; - FD_ZERO(&accept_set); - FD_SET(s, &accept_set); - - n = select(s + 1, &accept_set, NULL, NULL, &tv); - if (n < 1) { -#ifndef PHP_WIN32 - if (n == 0) - errno = ETIMEDOUT; -#endif - return -1; - } - - return accept(s, addr, addrlen); -} -/* }}} */ - -/* {{{ ftp_getdata - */ -databuf_t* -ftp_getdata(ftpbuf_t *ftp) -{ - int fd = -1; - databuf_t *data; - php_sockaddr_storage addr; - struct sockaddr *sa; - int size; - union ipbox ipbox; - char arg[sizeof("255, 255, 255, 255, 255, 255")]; - struct timeval tv; - - - /* ask for a passive connection if we need one */ - if (ftp->pasv && !ftp_pasv(ftp, 1)) - return NULL; - - /* alloc the data structure */ - data = calloc(1, sizeof(*data)); - if (data == NULL) { - perror("calloc"); - return NULL; - } - data->listener = -1; - data->fd = -1; - data->type = ftp->type; - - sa = (struct sockaddr *) &ftp->localaddr; - /* bind/listen */ - if ((fd = socket(sa->sa_family, SOCK_STREAM, 0)) == -1) { - perror("socket"); - goto bail; - } - - /* passive connection handler */ - if (ftp->pasv) { - /* clear the ready status */ - ftp->pasv = 1; - - /* connect */ - /* Win 95/98 seems not to like size > sizeof(sockaddr_in) */ - size = php_sockaddr_size(&ftp->pasvaddr); - tv.tv_sec = ftp->timeout_sec; - tv.tv_usec = 0; - if (php_connect_nonb(fd, (struct sockaddr*) &ftp->pasvaddr, size, &tv) == -1) { - perror("connect"); - goto bail; - } - - data->fd = fd; - - return data; - } - - - /* active (normal) connection */ - - /* bind to a local address */ - php_any_addr(sa->sa_family, &addr, 0); - size = php_sockaddr_size(&addr); - - if (bind(fd, (struct sockaddr*) &addr, size) == -1) { - perror("bind"); - goto bail; - } - - if (getsockname(fd, (struct sockaddr*) &addr, &size) == -1) { - perror("getsockname"); - goto bail; - } - - if (listen(fd, 5) == -1) { - perror("listen"); - goto bail; - } - - data->listener = fd; - -#ifdef HAVE_IPV6 - if (sa->sa_family == AF_INET6) { - /* need to use EPRT */ - char eprtarg[INET6_ADDRSTRLEN + sizeof("|x||xxxxx|")]; - char out[INET6_ADDRSTRLEN]; - inet_ntop(AF_INET6, &((struct sockaddr_in6*) sa)->sin6_addr, out, sizeof(out)); - sprintf(eprtarg, "|2|%s|%hu|", out, ntohs(((struct sockaddr_in6 *) &addr)->sin6_port)); - - if (!ftp_putcmd(ftp, "EPRT", eprtarg)) - goto bail; - - if (!ftp_getresp(ftp) || ftp->resp != 200) - goto bail; - - return data; - } -#endif - - /* send the PORT */ - ipbox.l[0] = ((struct sockaddr_in*) sa)->sin_addr.s_addr; - ipbox.s[2] = ((struct sockaddr_in*) &addr)->sin_port; - sprintf(arg, "%u,%u,%u,%u,%u,%u", - ipbox.c[0], ipbox.c[1], ipbox.c[2], ipbox.c[3], - ipbox.c[4], ipbox.c[5]); - - if (!ftp_putcmd(ftp, "PORT", arg)) - goto bail; - if (!ftp_getresp(ftp) || ftp->resp != 200) - goto bail; - - return data; - -bail: - if (fd != -1) - closesocket(fd); - free(data); - return NULL; -} -/* }}} */ - -/* {{{ data_accept - */ -databuf_t* -data_accept(databuf_t *data, ftpbuf_t *ftp) -{ - php_sockaddr_storage addr; - int size; - - if (data->fd != -1) - return data; - - size = sizeof(addr); - data->fd = my_accept(ftp, data->listener, (struct sockaddr*) &addr, &size); - closesocket(data->listener); - data->listener = -1; - - if (data->fd == -1) { - free(data); - return NULL; - } - - return data; -} -/* }}} */ - -/* {{{ data_close - */ -databuf_t* -data_close(databuf_t *data) -{ - if (data == NULL) - return NULL; - if (data->listener != -1) - closesocket(data->listener); - if (data->fd != -1) - closesocket(data->fd); - free(data); - return NULL; -} -/* }}} */ - -/* {{{ ftp_genlist - */ -char** -ftp_genlist(ftpbuf_t *ftp, const char *cmd, const char *path) -{ - FILE *tmpfp = NULL; - databuf_t *data = NULL; - char *ptr; - int ch, lastch; - int size, rcvd; - int lines; - char **ret = NULL; - char **entry; - char *text; - - - if ((tmpfp = tmpfile()) == NULL) - return NULL; - - if (!ftp_type(ftp, FTPTYPE_ASCII)) - goto bail; - - if ((data = ftp_getdata(ftp)) == NULL) - goto bail; - - if (!ftp_putcmd(ftp, cmd, path)) - goto bail; - if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) - goto bail; - - /* pull data buffer into tmpfile */ - if ((data = data_accept(data, ftp)) == NULL) - goto bail; - - size = 0; - lines = 0; - lastch = 0; - while ((rcvd = my_recv(ftp, data->fd, data->buf, FTP_BUFSIZE))) { - if (rcvd == -1) - goto bail; - - fwrite(data->buf, rcvd, 1, tmpfp); - - size += rcvd; - for (ptr = data->buf; rcvd; rcvd--, ptr++) { - if (*ptr == '\n' && lastch == '\r') - lines++; - else - size++; - lastch = *ptr; - } - } - - data = data_close(data); - - if (ferror(tmpfp)) - goto bail; - - - - rewind(tmpfp); - - ret = malloc((lines + 1) * sizeof(char**) + size * sizeof(char*)); - if (ret == NULL) { - perror("malloc"); - goto bail; - } - - entry = ret; - text = (char*) (ret + lines + 1); - *entry = text; - lastch = 0; - while ((ch = getc(tmpfp)) != EOF) { - if (ch == '\n' && lastch == '\r') { - *(text - 1) = 0; - *++entry = text; - } - else { - *text++ = ch; - } - lastch = ch; - } - *entry = NULL; - - if (ferror(tmpfp)) - goto bail; - - fclose(tmpfp); - - if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) { - free(ret); - return NULL; - } - - return ret; -bail: - data_close(data); - fclose(tmpfp); - free(ret); - return NULL; -} -/* }}} */ - -#endif /* HAVE_FTP */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |