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 && ftp->resp != 125))
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 && ftp->resp != 250))
goto bail;
return 1;
bail:
data_close(data);
return 0;
}
/* {{{ ftp_nb_get
*/
int
ftp_nb_get(ftpbuf_t *ftp, php_stream *outstream, const char *path, const size_t path_len, ftptype_t type, zend_long resumepos)
{
databuf_t *data = NULL;
char arg[11];
if (ftp == NULL) {
return PHP_FTP_FAILED;
}
if (!ftp_type(ftp, type)) {
goto bail;
}
if ((data = ftp_getdata(ftp)) == NULL) {
goto bail;
}
if (resumepos>0) {
int arg_len = snprintf(arg, sizeof(arg), ZEND_LONG_FMT, resumepos);
if (arg_len < 0) {
goto bail;
}
if (!ftp_putcmd(ftp, "REST", sizeof("REST")-1, arg, arg_len)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 350)) {
goto bail;
}
}
if (!ftp_putcmd(ftp, "RETR", sizeof("RETR")-1, path, path_len)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 150 && ftp->resp != 125)) {
goto bail;
}
if ((data = data_accept(data, ftp)) == NULL) {
goto bail;
}
ftp->data = data;
ftp->stream = outstream;
ftp->lastch = 0;
ftp->nb = 1;
return (ftp_nb_continue_read(ftp));
bail:
ftp->data = data_close(ftp, data);
return PHP_FTP_FAILED;
}
/* {{{ ftp_chmod
*/
int
ftp_chmod(ftpbuf_t *ftp, const int mode, const char *filename, const int filename_len)
{
char *buffer;
size_t buffer_len;
if (ftp == NULL || filename_len <= 0) {
return 0;
}
buffer_len = spprintf(&buffer, 0, "CHMOD %o %s", mode, filename);
if (!buffer) {
return 0;
}
if (!ftp_putcmd(ftp, "SITE", sizeof("SITE")-1, buffer, buffer_len)) {
efree(buffer);
return 0;
}
efree(buffer);
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
return 1;
}
/* {{{ ftp_type
*/
int
ftp_type(ftpbuf_t *ftp, ftptype_t type)
{
const char *typechar;
if (ftp == NULL) {
return 0;
}
if (type == ftp->type) {
return 1;
}
if (type == FTPTYPE_ASCII) {
typechar = "A";
} else if (type == FTPTYPE_IMAGE) {
typechar = "I";
} else {
return 0;
}
if (!ftp_putcmd(ftp, "TYPE", sizeof("TYPE")-1, typechar, 1)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
ftp->type = type;
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;
while (*syst == ' ') {
syst++;
}
if ((end = strchr(syst, ' '))) {
*end = 0;
}
ftp->syst = estrdup(syst);
if (end) {
*end = ' ';
}
return ftp->syst;
}
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_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;
}
if ((end = strrchr(++pwd, '"')) == NULL) {
return NULL;
}
ftp->pwd = estrndup(pwd, end - pwd);
return ftp->pwd;
}
/* {{{ ftp_mkdir
*/
zend_string*
ftp_mkdir(ftpbuf_t *ftp, const char *dir)
{
char *mkd, *end;
zend_string *ret;
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 zend_string_init(dir, strlen(dir), 0);
}
if ((end = strrchr(++mkd, '"')) == NULL) {
return NULL;
}
*end = 0;
ret = zend_string_init(mkd, end - mkd, 0);
*end = '"';
return ret;
}
/* {{{ ftp_alloc
*/
int
ftp_alloc(ftpbuf_t *ftp, const zend_long size, zend_string **response)
{
char buffer[64];
if (ftp == NULL || size <= 0) {
return 0;
}
snprintf(buffer, sizeof(buffer) - 1, ZEND_LONG_FMT, size);
if (!ftp_putcmd(ftp, "ALLO", buffer)) {
return 0;
}
if (!ftp_getresp(ftp)) {
return 0;
}
if (response) {
*response = zend_string_init(ftp->inbuf, strlen(ftp->inbuf), 0);
}
if (ftp->resp < 200 || ftp->resp >= 300) {
return 0;
}
return 1;
}
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;
}
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_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_nb_continue_read
*/
int
ftp_nb_continue_read(ftpbuf_t *ftp)
{
databuf_t *data = NULL;
char *ptr;
int lastch;
size_t rcvd;
ftptype_t type;
data = ftp->data;
/* check if there is already more data */
if (!data_available(ftp, data->fd)) {
return PHP_FTP_MOREDATA;
}
type = ftp->type;
lastch = ftp->lastch;
if ((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(ftp->stream, '\r');
}
if (*ptr != '\r') {
php_stream_putc(ftp->stream, *ptr);
}
lastch = *ptr;
}
} else if (rcvd != php_stream_write(ftp->stream, data->buf, rcvd)) {
goto bail;
}
ftp->lastch = lastch;
return PHP_FTP_MOREDATA;
}
if (type == FTPTYPE_ASCII && lastch == '\r') {
php_stream_putc(ftp->stream, '\r');
}
ftp->data = data = data_close(ftp, data);
if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) {
goto bail;
}
ftp->nb = 0;
return PHP_FTP_FINISHED;
bail:
ftp->nb = 0;
ftp->data = data_close(ftp, data);
return PHP_FTP_FAILED;
}
/* {{{ ftp_nb_put
*/
int
ftp_nb_put(ftpbuf_t *ftp, const char *path, php_stream *instream, ftptype_t type, zend_long startpos)
{
databuf_t *data = NULL;
char arg[11];
if (ftp == NULL) {
return 0;
}
if (!ftp_type(ftp, type)) {
goto bail;
}
if ((data = ftp_getdata(ftp)) == NULL) {
goto bail;
}
if (startpos > 0) {
snprintf(arg, sizeof(arg), ZEND_LONG_FMT, startpos);
if (!ftp_putcmd(ftp, "REST", arg)) {
goto bail;
}
if (!ftp_getresp(ftp) || (ftp->resp != 350)) {
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;
}
ftp->data = data;
ftp->stream = instream;
ftp->lastch = 0;
ftp->nb = 1;
return (ftp_nb_continue_write(ftp));
bail:
ftp->data = data_close(ftp, data);
return PHP_FTP_FAILED;
}
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_rename
*/
int
ftp_rename(ftpbuf_t *ftp, const char *src, const size_t src_len, const char *dest, const size_t dest_len)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "RNFR", sizeof("RNFR")-1, src, src_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 350) {
return 0;
}
if (!ftp_putcmd(ftp, "RNTO", sizeof("RNTO")-1, dest, dest_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
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_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;
}
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;
}
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);
}
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;
}
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_rmdir
*/
int
ftp_rmdir(ftpbuf_t *ftp, const char *dir, const size_t dir_len)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "RMD", sizeof("RMD")-1, dir, dir_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
return 1;
}
/* {{{ ftp_delete
*/
int
ftp_delete(ftpbuf_t *ftp, const char *path, const size_t path_len)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "DELE", sizeof("DELE")-1, path, path_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 250) {
return 0;
}
return 1;
}
/* {{{ ftp_exec
*/
int
ftp_exec(ftpbuf_t *ftp, const char *cmd, const size_t cmd_len)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "SITE EXEC", sizeof("SITE EXEC")-1, cmd, cmd_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp != 200) {
return 0;
}
return 1;
}
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_site
*/
int
ftp_site(ftpbuf_t *ftp, const char *cmd, const size_t cmd_len)
{
if (ftp == NULL) {
return 0;
}
if (!ftp_putcmd(ftp, "SITE", sizeof("SITE")-1, cmd, cmd_len)) {
return 0;
}
if (!ftp_getresp(ftp) || ftp->resp < 200 || ftp->resp >= 300) {
return 0;
}
return 1;
}
/* {{{ ftp_nb_continue_write
*/
int
ftp_nb_continue_write(ftpbuf_t *ftp)
{
long size;
char *ptr;
int ch;
/* check if we can write more data */
if (!data_writeable(ftp, ftp->data->fd)) {
return PHP_FTP_MOREDATA;
}
size = 0;
ptr = ftp->data->buf;
while (!php_stream_eof(ftp->stream) && (ch = php_stream_getc(ftp->stream)) != EOF) {
if (ch == '\n' && ftp->type == FTPTYPE_ASCII) {
*ptr++ = '\r';
size++;
}
*ptr++ = ch;
size++;
/* flush if necessary */
if (FTP_BUFSIZE - size < 2) {
if (my_send(ftp, ftp->data->fd, ftp->data->buf, size) != size) {
goto bail;
}
return PHP_FTP_MOREDATA;
}
}
if (size && my_send(ftp, ftp->data->fd, ftp->data->buf, size) != size) {
goto bail;
}
ftp->data = data_close(ftp, ftp->data);
if (!ftp_getresp(ftp) || (ftp->resp != 226 && ftp->resp != 250)) {
goto bail;
}
ftp->nb = 0;
return PHP_FTP_FINISHED;
bail:
ftp->data = data_close(ftp, ftp->data);
ftp->nb = 0;
return PHP_FTP_FAILED;
}
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;
}