diff options
Diffstat (limited to 'ext/xmlrpc/libxmlrpc/base64.c')
| -rw-r--r-- | ext/xmlrpc/libxmlrpc/base64.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/xmlrpc/libxmlrpc/base64.c b/ext/xmlrpc/libxmlrpc/base64.c index fa6cc32b51..5ebdf31f7a 100644 --- a/ext/xmlrpc/libxmlrpc/base64.c +++ b/ext/xmlrpc/libxmlrpc/base64.c @@ -15,6 +15,7 @@ static const char rcsid[] = "#(@) $Id$"; /* ENCODE -- Encode binary file into base64. */ #include <stdlib.h> #include <ctype.h> +#include <limits.h> #include "base64.h" @@ -31,6 +32,9 @@ void buffer_new(struct buffer_st *b) void buffer_add(struct buffer_st *b, char c) { + if ((INT_MAX - b->length) <= 512) { + return; + } *(b->ptr++) = c; b->offset++; if (b->offset == b->length) { @@ -79,7 +83,7 @@ void base64_encode_xmlrpc(struct buffer_st *b, const char *source, int length) for (n = 0; n < 3; n++) { c = *(source++); offset++; - if (offset > length) { + if (offset > length || offset <= 0) { hiteof = 1; break; } |