Replaced all uses of sprintf() with the safer snprintf(). It is just a
precaution to prevent mistakes to lead to buffer overflows.
This commit is contained in:
24
lib/base64.c
24
lib/base64.c
@@ -160,22 +160,22 @@ size_t Curl_base64_encode(const char *inp, size_t insize, char **outptr)
|
||||
|
||||
switch(inputparts) {
|
||||
case 1: /* only one byte read */
|
||||
sprintf(output, "%c%c==",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]]);
|
||||
snprintf(output, 5, "%c%c==",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]]);
|
||||
break;
|
||||
case 2: /* two bytes read */
|
||||
sprintf(output, "%c%c%c=",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]],
|
||||
table64[obuf[2]]);
|
||||
snprintf(output, 5, "%c%c%c=",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]],
|
||||
table64[obuf[2]]);
|
||||
break;
|
||||
default:
|
||||
sprintf(output, "%c%c%c%c",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]],
|
||||
table64[obuf[2]],
|
||||
table64[obuf[3]] );
|
||||
snprintf(output, 5, "%c%c%c%c",
|
||||
table64[obuf[0]],
|
||||
table64[obuf[1]],
|
||||
table64[obuf[2]],
|
||||
table64[obuf[3]] );
|
||||
break;
|
||||
}
|
||||
output += 4;
|
||||
|
||||
Reference in New Issue
Block a user