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Fix bug #69545 - avoid overflow when reading list

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Stanislav Malyshev 2015-04-29 21:57:33 -07:00
parent 95fa727992
commit ac28329354
1 changed files with 41 additions and 41 deletions
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6
ext/ftp/ftp.c
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@ -1615,8 +1615,8 @@ ftp_genlist(ftpbuf_t *ftp, const char *cmd, const char *path TSRMLS_DC)
databuf_t *data = NULL;
char *ptr;
int ch, lastch;
int size, rcvd;
int lines;
size_t size, rcvd;
size_t lines;
char **ret = NULL;
char **entry;
char *text;
@ -1658,7 +1658,7 @@ ftp_genlist(ftpbuf_t *ftp, const char *cmd, const char *path TSRMLS_DC)
lines = 0;
lastch = 0;
while ((rcvd = my_recv(ftp, data->fd, data->buf, FTP_BUFSIZE))) {
if (rcvd == -1) {
if (rcvd == -1 || rcvd > ((size_t)(-1))-size) {
goto bail;
}