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Fix buffer overflows
https://bugs.gentoo.org/show_bug.cgi?id=338936
Patch written by Kevin Pyle
--- bbacpi.cc
+++ bbacpi.cc
@@ -167,7 +167,7 @@
if (ret = (fp = fopen(name, "r"))) {
char buffer[100];
char present[20];
- fgets(buffer,128,fp);
+ fgets(buffer, sizeof(buffer),fp);
sscanf(buffer,"present: %s", present);
if (strncmp(present, "yes", 3) != 0) {
fprintf(stderr, "Device %s not present.\n", device);
@@ -195,7 +195,7 @@
{
/* Read data in any order */
found = 0;
- while (found < 11 && (fgets(buffer, 63, fp) != NULL)) {
+ while (found < 11 && (fgets(buffer, sizeof(buffer), fp) != NULL)) {
/* Present */
if (strncmp(buffer, "present:", 7) == 0
|| strncmp(buffer, "Present:", 7) == 0) {
@@ -277,7 +277,7 @@
{
/* Read data in any order */
found = 0;
- while (found < 11 && (fgets(buffer, 63, fp) != NULL)) {
+ while (found < 11 && (fgets(buffer, sizeof(buffer), fp) != NULL)) {
/* Present */
if (strncmp(buffer, "present:", 7) == 0
|| strncmp(buffer, "Present:", 7) == 0) {
@@ -361,7 +361,7 @@
if ((fp = fopen(names.temptrip, "r")))
{
found = 0;
- while (found < 2 && (fgets(buffer,128,fp) != NULL)) {
+ while (found < 2 && (fgets(buffer, sizeof(buffer),fp) != NULL)) {
/* Critical */
if (strncmp(buffer, "critical", 8) == 0
|| strncmp(buffer, "Critical", 8) == 0) {
@@ -425,7 +425,7 @@
if (file_status.st_mtime != last_mtime)
{
found = 0;
- while (found < 4 && (fgets(buffer, 63, fp) != NULL)) {
+ while (found < 4 && (fgets(buffer, sizeof(buffer), fp) != NULL)) {
/* Charging state */
if (strncmp(buffer, "charging state:", 15) == 0
|| strncmp(buffer, "Charging State:", 15) == 0) {
@@ -463,7 +463,7 @@
if (file_status.st_mtime != last_mtime)
{
found = 0;
- while (found < 4 && (fgets(buffer, 63, fp) != NULL)) {
+ while (found < 4 && (fgets(buffer, sizeof(buffer), fp) != NULL)) {
/* Charging state */
if (strncmp(buffer, "charging state:", 15) == 0
|| strncmp(buffer, "Charging State:", 15) == 0) {
@@ -497,7 +497,7 @@
if ((fp = fopen(names.adapter, "r")))
{
found = 0;
- while (found < 1 && (fgets(buffer, 63,fp) != NULL)) {
+ while (found < 1 && (fgets(buffer, sizeof(buffer),fp) != NULL)) {
if (strncmp(buffer, "state:", 6) == 0
|| strncmp(buffer, "State:", 6) == 0) {
sscanf(buffer+offset,"%s", adapter.state);
@@ -511,7 +511,7 @@
if ((fp = fopen(names.temperature, "r")))
{
found = 0;
- while (found < 1 && (fgets(buffer, 63,fp) != NULL)) {
+ while (found < 1 && (fgets(buffer, sizeof(buffer),fp) != NULL)) {
if (strncmp(buffer, "temperature:", 12) == 0
|| strncmp(buffer, "Temperature:", 12) == 0) {
sscanf(buffer+offset,"%u", &temperature.celcius);
|
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