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42 lines
1013 B
42 lines
1013 B
diff -uNr strace-4.24/strace.c strace-4.24.mod/strace.c
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--- strace-4.24/strace.c 2018-07-11 03:00:57.000000000 +0300
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+++ strace-4.24.mod/strace.c 2018-10-03 01:15:15.105370170 +0300
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@@ -442,11 +442,7 @@
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static void
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swap_uid(void)
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{
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- int euid = geteuid(), uid = getuid();
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-
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- if (euid != uid && setreuid(euid, uid) < 0) {
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- perror_msg_and_die("setreuid");
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- }
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+ return;
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}
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static FILE *
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@@ -1182,25 +1178,6 @@
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}
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}
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- if (username != NULL) {
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- /*
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- * It is important to set groups before we
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- * lose privileges on setuid.
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- */
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- if (initgroups(username, run_gid) < 0) {
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- perror_msg_and_die("initgroups");
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- }
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- if (setregid(run_gid, params->run_egid) < 0) {
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- perror_msg_and_die("setregid");
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- }
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- if (setreuid(run_uid, params->run_euid) < 0) {
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- perror_msg_and_die("setreuid");
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- }
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- } else if (geteuid() != 0)
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- if (setreuid(run_uid, run_uid) < 0) {
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- perror_msg_and_die("setreuid");
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- }
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-
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if (!daemonized_tracer) {
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/*
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* Induce a ptrace stop. Tracer (our parent)
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