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Code Issues Releases Wiki Activity

Extra checks

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This commit is contained in:
M66B 2016-03-06 10:24:28 +01:00
parent 204e3cb3f6
commit ef811796a5
1 changed files with 5 additions and 1 deletions
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6
app/src/main/jni/netguard/ip.c
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@ -425,6 +425,9 @@ jint get_uid(const int version, const int protocol,
int i = 0;
while (fgets(line, sizeof(line), fd) != NULL) {
if (i++) {
*hex = 0;
port = -1;
u = -1;
if (version == 4)
fields = sscanf(
line,
@ -435,7 +438,8 @@ jint get_uid(const int version, const int protocol,
line,
"%*d: %32s:%X %*X:%*X %*X %*lX:%*lX %*X:%*X %*X %d %*d %*ld",
hex, &port, &u);
if (fields == 3) {
if (fields == 3 &&
(version == 4 ? strlen(hex) == 8 : strlen(hex) == 32) && port >= 0 && u >= 0) {
hex2bytes(hex, version == 4 ? addr4 : addr6);
if (version == 4)
((uint32_t *) addr4)[0] = htonl(((uint32_t *) addr4)[0]);