46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#include "config.h"
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#include <stdlib.h>
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#include <priv.h>
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#include <stdio.h>
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#include "memcached.h"
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/*
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* this section of code will drop all (Solaris) privileges including
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* those normally granted to all userland process (basic privileges). The
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* effect of this is that after running this code, the process will not able
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* to fork(), exec(), etc. See privileges(5) for more information.
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*/
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void drop_privileges(void) {
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priv_set_t *privs = priv_str_to_set("basic", ",", NULL);
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if (privs == NULL) {
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perror("priv_str_to_set");
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exit(EXIT_FAILURE);
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}
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(void)priv_delset(privs, PRIV_FILE_LINK_ANY);
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(void)priv_delset(privs, PRIV_PROC_EXEC);
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(void)priv_delset(privs, PRIV_PROC_FORK);
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(void)priv_delset(privs, PRIV_PROC_INFO);
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(void)priv_delset(privs, PRIV_PROC_SESSION);
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if (setppriv(PRIV_SET, PRIV_PERMITTED, privs) != 0) {
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perror("setppriv(PRIV_SET, PRIV_PERMITTED)");
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exit(EXIT_FAILURE);
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}
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priv_emptyset(privs);
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if (setppriv(PRIV_SET, PRIV_INHERITABLE, privs) != 0) {
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perror("setppriv(PRIV_SET, PRIV_INHERITABLE)");
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exit(EXIT_FAILURE);
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}
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if (setppriv(PRIV_SET, PRIV_LIMIT, privs) != 0) {
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perror("setppriv(PRIV_SET, PRIV_LIMIT)");
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exit(EXIT_FAILURE);
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}
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priv_freeset(privs);
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}
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