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priod: initialize properly

This commit is contained in:
Přemysl Eric Janouch 2017-07-05 21:57:16 +02:00
parent 1fa6f95135
commit f26e6eeba5
Signed by: p
GPG Key ID: B715679E3A361BE6
1 changed files with 26 additions and 1 deletions
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27
priod.c
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@ -319,6 +319,27 @@ on_exec (struct app_context *ctx, int pid)
str_free (&cmdline); str_free (&cmdline);
} }
static void
preapply_rules (struct app_context *ctx)
{
DIR *dir = opendir ("/proc");
if (!dir)
{
print_error ("opendir: %s: %s", "/proc", strerror (errno));
return;
}
// We don't care about processes deleted or created during this loop
struct dirent *iter;
while ((errno = 0, iter = readdir (dir)))
{
int pid = atoi (iter->d_name);
if (pid && (iter->d_type == DT_UNKNOWN || iter->d_type == DT_DIR))
on_exec (ctx, pid);
}
closedir (dir);
}
static void static void
on_netlink_message (struct app_context *ctx, struct nlmsghdr *mh) on_netlink_message (struct app_context *ctx, struct nlmsghdr *mh)
{ {
@ -522,7 +543,11 @@ main (int argc, char *argv[])
ctx.proc_event.user_data = &ctx; ctx.proc_event.user_data = &ctx;
poller_fd_set (&ctx.proc_event, POLLIN); poller_fd_set (&ctx.proc_event, POLLIN);
// TODO: iterate through current /proc processes and apply politics // While new events are being queued, we can apply rules to already
// existing processes, so that we don't miss anything except for obvious
// cases when a process re-execs to something else after a match.
// It would inherit the same values anyway, so it seems to be mostly okay.
preapply_rules (&ctx);
ctx.polling = true; ctx.polling = true;
while (ctx.polling) while (ctx.polling)