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-rw-r--r--ext/ftp/ftp.c1165
1 files changed, 0 insertions, 1165 deletions
diff --git a/ext/ftp/ftp.c b/ext/ftp/ftp.c
deleted file mode 100644
index 4ced3839a0..0000000000
--- a/ext/ftp/ftp.c
+++ /dev/null
@@ -1,1165 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP HTML Embedded Scripting Language Version 3.0 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-1999 PHP Development Team (See Credits file) |
- +----------------------------------------------------------------------+
- | This program is free software; you can redistribute it and/or modify |
- | it under the terms of one of the following licenses: |
- | |
- | A) the GNU General Public License as published by the Free Software |
- | Foundation; either version 2 of the License, or (at your option) |
- | any later version. |
- | |
- | B) the PHP License as published by the PHP Development Team and |
- | included in the distribution in the file: LICENSE |
- | |
- | This program is distributed in the hope that it will be useful, |
- | but WITHOUT ANY WARRANTY; without even the implied warranty of |
- | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
- | GNU General Public License for more details. |
- | |
- | You should have received a copy of both licenses referred to here. |
- | If you did not, or have any questions about PHP licensing, please |
- | contact core@php.net. |
- +----------------------------------------------------------------------+
- | Authors: |
- | Andrew Skalski <askalski@chek.com> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-#include "php.h"
-
-#if HAVE_FTP
-
-#include <stdio.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <time.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <errno.h>
-
-#if HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-
-#include "ftp.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(int s, void *buf, size_t len);
-static int my_recv(int s, void *buf, size_t len);
-static int my_connect(int s, const struct sockaddr *addr,
- int addrlen);
-static int my_accept(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);
-
-/* 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];
-};
-
-
-ftpbuf_t*
-ftp_open(const char *host, short port)
-{
- int fd = -1;
- ftpbuf_t *ftp;
- struct sockaddr_in addr;
- struct hostent *he;
- int size;
-
-
- /* set up the address */
- if ((he = gethostbyname(host)) == NULL) {
-#if 0
- herror("gethostbyname");
-#endif
- return NULL;
- }
-
- memset(&addr, 0, sizeof(addr));
- memcpy(&addr.sin_addr, he->h_addr, he->h_length);
- addr.sin_family = AF_INET;
- addr.sin_port = port ? port : htons(21);
-
-
- /* alloc the ftp structure */
- ftp = calloc(1, sizeof(*ftp));
- if (ftp == NULL) {
- perror("calloc");
- return NULL;
- }
-
- /* connect */
- if ((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
- perror("socket");
- goto bail;
- }
-
- if (my_connect(fd, (struct sockaddr*) &addr, sizeof(addr)) == -1) {
- perror("connect");
- goto bail;
- }
-
- size = sizeof(addr);
- if (getsockname(fd, (struct sockaddr*) &addr, &size) == -1) {
- perror("getsockname");
- goto bail;
- }
-
- ftp->localaddr = addr.sin_addr;
- ftp->fd = fd;
-
- if (!ftp_getresp(ftp) || ftp->resp != 220) {
- goto bail;
- }
-
- return ftp;
-
-bail:
- if (fd != -1)
- close(fd);
- free(ftp);
- return NULL;
-}
-
-
-ftpbuf_t*
-ftp_close(ftpbuf_t *ftp)
-{
- if (ftp == NULL)
- return NULL;
- if (ftp->fd)
- close(ftp->fd);
- ftp_gc(ftp);
- free(ftp);
- return NULL;
-}
-
-
-void
-ftp_gc(ftpbuf_t *ftp)
-{
- if (ftp == NULL)
- return;
-
- free(ftp->pwd);
- ftp->pwd = NULL;
- free(ftp->syst);
- ftp->syst = NULL;
-}
-
-
-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;
-}
-
-
-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);
-}
-
-
-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;
-}
-
-
-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;
-}
-
-
-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;
-}
-
-
-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;
-}
-
-
-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;
-}
-
-
-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)
- return NULL;
- end = strrchr(++mkd, '"');
- *end = 0;
- mkd = strdup(mkd);
- *end = '"';
-
- return mkd;
-}
-
-
-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;
-}
-
-
-char**
-ftp_nlist(ftpbuf_t *ftp, const char *path)
-{
- return ftp_genlist(ftp, "NLST", path);
-}
-
-
-char**
-ftp_list(ftpbuf_t *ftp, const char *path)
-{
- return ftp_genlist(ftp, "LIST", path);
-}
-
-
-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;
-}
-
-
-int
-ftp_pasv(ftpbuf_t *ftp, int pasv)
-{
- char *ptr;
- union ipbox ipbox;
- unsigned long b[6];
- int n;
-
- if (ftp == NULL)
- return 0;
-
- if (pasv && ftp->pasv == 2)
- return 1;
-
- ftp->pasv = 0;
- if (!pasv)
- return 1;
-
- 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] = b[n];
-
- memset(&ftp->pasvaddr, 0, sizeof(ftp->pasvaddr));
- ftp->pasvaddr.sin_family = AF_INET;
- ftp->pasvaddr.sin_addr.s_addr = ipbox.l[0];
- ftp->pasvaddr.sin_port = ipbox.s[2];
-
- ftp->pasv = 2;
-
- return 1;
-}
-
-
-int
-ftp_get(ftpbuf_t *ftp, FILE *outfp, const char *path, ftptype_t type)
-{
- databuf_t *data = NULL;
- char *ptr;
- int lastch;
- int rcvd;
-
- 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)
- goto bail;
-
- if ((data = data_accept(data)) == NULL)
- goto bail;
-
- lastch = 0;
- while ((rcvd = my_recv(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')
- putc('\r', outfp);
- if (*ptr != '\r')
- putc(*ptr, outfp);
- lastch = *ptr;
- }
- }
- else {
- fwrite(data->buf, rcvd, 1, outfp);
- }
- }
-
- if (type == FTPTYPE_ASCII && lastch == '\r')
- putc('\r', outfp);
-
- data = data_close(data);
-
- if (ferror(outfp))
- goto bail;
-
- if (!ftp_getresp(ftp) || ftp->resp != 226)
- goto bail;
-
- return 1;
-bail:
- data_close(data);
- return 0;
-}
-
-
-int
-ftp_put(ftpbuf_t *ftp, const char *path, FILE *infp, ftptype_t type)
-{
- databuf_t *data = NULL;
- int size;
- char *ptr;
- int ch;
-
- 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)
- goto bail;
-
- if ((data = data_accept(data)) == NULL)
- goto bail;
-
- size = 0;
- ptr = data->buf;
- while ((ch = getc(infp)) != EOF) {
- /* flush if necessary */
- if (FTP_BUFSIZE - size < 2) {
- if (my_send(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(data->fd, data->buf, size) != size)
- goto bail;
-
- if (ferror(infp))
- goto bail;
-
- data = data_close(data);
-
- if (!ftp_getresp(ftp) || ftp->resp != 226)
- goto bail;
-
- return 1;
-bail:
- data_close(data);
- return 0;
-}
-
-
-int
-ftp_size(ftpbuf_t *ftp, const char *path)
-{
- if (ftp == NULL)
- return -1;
-
- if (!ftp_putcmd(ftp, "SIZE", path))
- return -1;
- if (!ftp_getresp(ftp) || ftp->resp != 213)
- return -1;
-
- return atoi(ftp->inbuf);
-}
-
-
-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 = 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;
-}
-
-
-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;
-}
-
-
-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;
-}
-
-/* static functions */
-
-int
-ftp_putcmd(ftpbuf_t *ftp, const char *cmd, const char *args)
-{
- int size;
- char *data;
-
- /* build the output buffer */
- if (args) {
- /* "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->fd, data, size) != size)
- return 0;
-
- return 1;
-}
-
-
-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->fd, data, size)) < 1)
- return 0;
- } while (size);
-
- return 0;
-}
-
-
-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;
- if (ftp->inbuf[3] == '-')
- continue;
- else if (ftp->inbuf[3] != ' ')
- return 0;
- 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;
-}
-
-
-int
-my_send(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;
- 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) {
- if (n == 0)
- errno = ETIMEDOUT;
- return -1;
- }
-
- sent = send(s, buf, size, 0);
- if (sent == -1)
- return -1;
-
- buf = (char*) buf + sent;
- size -= sent;
- }
-
- return len;
-}
-
-
-int
-my_recv(int s, void *buf, size_t len)
-{
- fd_set read_set;
- struct timeval tv;
- int n;
-
- tv.tv_sec = FTP_TIMEOUT;
- 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) {
- if (n == 0)
- errno = ETIMEDOUT;
- return -1;
- }
-
- return recv(s, buf, len, 0);
-}
-
-
-int
-my_connect(int s, const struct sockaddr *addr, int addrlen)
-{
- fd_set conn_set;
- int flags;
- int n;
- int error = 0;
- struct timeval tv;
-
- flags = fcntl(s, F_GETFL, 0);
- fcntl(s, F_SETFL, flags | O_NONBLOCK);
-
- n = connect(s, addr, addrlen);
- if (n == -1 && errno != EINPROGRESS)
- return -1;
-
- if (n) {
- FD_ZERO(&conn_set);
- FD_SET(s, &conn_set);
-
- tv.tv_sec = FTP_TIMEOUT;
- tv.tv_usec = 0;
-
- n = select(s + 1, &conn_set, &conn_set, NULL, &tv);
- if (n < 1) {
- if (n == 0)
- errno = ETIMEDOUT;
- return -1;
- }
-
- if (FD_ISSET(s, &conn_set)) {
- n = sizeof(error);
- n = getsockopt(s, SOL_SOCKET, SO_ERROR, &error, &n);
- if (n == -1 || error) {
- if (error)
- errno = error;
- return -1;
- }
- }
- }
-
- fcntl(s, F_SETFL, flags);
-
- return 0;
-}
-
-
-int
-my_accept(int s, struct sockaddr *addr, int *addrlen)
-{
- fd_set accept_set;
- struct timeval tv;
- int n;
-
- tv.tv_sec = FTP_TIMEOUT;
- 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) {
- if (n == 0)
- errno = ETIMEDOUT;
- return -1;
- }
-
- return accept(s, addr, addrlen);
-}
-
-
-databuf_t*
-ftp_getdata(ftpbuf_t *ftp)
-{
- int fd = -1;
- databuf_t *data;
- struct sockaddr_in addr;
- int size;
- union ipbox ipbox;
- char arg[sizeof("255,255,255,255,255,255")];
-
-
- /* 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;
-
- /* bind/listen */
- if ((fd = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
- perror("socket");
- goto bail;
- }
-
- /* passive connection handler */
- if (ftp->pasv) {
- /* clear the ready status */
- ftp->pasv = 1;
-
- /* connect */
- if (my_connect(fd, (struct sockaddr*) &ftp->pasvaddr,
- sizeof(ftp->pasvaddr)) == -1)
- {
- perror("connect");
- close(fd);
- free(data);
- return NULL;
- }
-
- data->fd = fd;
-
- return data;
- }
-
-
- /* active (normal) connection */
-
- /* bind to a local address */
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = INADDR_ANY;
- addr.sin_port = 0;
-
- if (bind(fd, (struct sockaddr*) &addr, sizeof(addr)) == -1) {
- perror("bind");
- goto bail;
- }
-
- size = sizeof(addr);
- if (getsockname(fd, (struct sockaddr*) &addr, &size) == -1) {
- perror("getsockname");
- goto bail;
- }
-
- if (listen(fd, 5) == -1) {
- perror("listen");
- goto bail;
- }
-
- data->listener = fd;
-
- /* send the PORT */
- ipbox.l[0] = ftp->localaddr.s_addr;
- ipbox.s[2] = 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)
- close(fd);
- free(data);
- return NULL;
-}
-
-
-databuf_t*
-data_accept(databuf_t *data)
-{
- struct sockaddr_in addr;
- int size;
-
- if (data->fd != -1)
- return data;
-
- size = sizeof(addr);
- data->fd = my_accept(data->listener, (struct sockaddr*) &addr, &size);
- close(data->listener);
- data->listener = -1;
-
- if (data->fd == -1) {
- free(data);
- return NULL;
- }
-
- return data;
-}
-
-
-databuf_t*
-data_close(databuf_t *data)
-{
- if (data == NULL)
- return NULL;
- if (data->listener != -1)
- close(data->listener);
- if (data->fd != -1)
- close(data->fd);
- free(data);
- return NULL;
-}
-
-
-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)
- goto bail;
-
- /* pull data buffer into tmpfile */
- if ((data = data_accept(data)) == NULL)
- goto bail;
-
- size = 0;
- lines = 0;
- lastch = 0;
- while ((rcvd = my_recv(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) {
- free(ret);
- return NULL;
- }
-
- return ret;
-bail:
- data_close(data);
- fclose(tmpfp);
- free(ret);
- return NULL;
-}
-
-#endif /* HAVE_FTP */
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