diff options
| -rw-r--r-- | Process.c | 17 | ||||
| -rw-r--r-- | TraceScreen.c | 1 |
2 files changed, 12 insertions, 6 deletions
@@ -513,12 +513,16 @@ void Process_toggleTag(Process* this) { } bool Process_setPriority(Process* this, int priority) { - int old_prio = getpriority(PRIO_PROCESS, this->pid); - int err = setpriority(PRIO_PROCESS, this->pid, priority); - if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) { - this->nice = priority; + if ( Process_getuid == 0 || Process_getuid == (int) this->st_uid ) { + int old_prio = getpriority(PRIO_PROCESS, this->pid); + int err = setpriority(PRIO_PROCESS, this->pid, priority); + if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) { + this->nice = priority; + } + return (err == 0); } - return (err == 0); + else + return false; } bool Process_changePriorityBy(Process* this, size_t delta) { @@ -526,7 +530,8 @@ bool Process_changePriorityBy(Process* this, size_t delta) { } void Process_sendSignal(Process* this, size_t sgn) { - kill(this->pid, (int) sgn); + if ( Process_getuid == 0 || Process_getuid == (int) this->st_uid ) + kill(this->pid, (int) sgn); } long Process_pidCompare(const void* v1, const void* v2) { diff --git a/TraceScreen.c b/TraceScreen.c index ecd0c0ab..3a62eb63 100644 --- a/TraceScreen.c +++ b/TraceScreen.c @@ -86,6 +86,7 @@ void TraceScreen_run(TraceScreen* this) { int child = fork(); if (child == -1) return; if (child == 0) { + seteuid(getuid()); dup2(fdpair[1], STDERR_FILENO); int ok = fcntl(fdpair[1], F_SETFL, O_NONBLOCK); if (ok != -1) { |