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authorRichard Lowe <richlowe@richlowe.net>2014-04-16 02:39:14 +0100
committerRichard Lowe <richlowe@richlowe.net>2016-10-15 12:02:16 -0400
commitd2a70789f056fc6c9ce3ab047b52126d80b0e3da (patch)
treebcf5eedbc5aeec80cac59ea37052e3b87108c253 /usr/src/lib/libproc/common/proc_get_info.c
parent8ab1c3f559468e655c4eb8acce993320403dd72b (diff)
downloadillumos-joyent-d2a70789f056fc6c9ce3ab047b52126d80b0e3da.tar.gz
7029 want per-process exploit mitigation features (secflags)
7030 want basic address space layout randomization (ASLR) 7031 noexec_user_stack should be a security-flag 7032 want a means to forbid mappings around NULL Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Reviewed by: Patrick Mooney <pmooney@joyent.com> Approved by: Dan McDonald <danmcd@omniti.com>
Diffstat (limited to 'usr/src/lib/libproc/common/proc_get_info.c')
-rw-r--r--usr/src/lib/libproc/common/proc_get_info.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/usr/src/lib/libproc/common/proc_get_info.c b/usr/src/lib/libproc/common/proc_get_info.c
index e0817c543f..19a84e060e 100644
--- a/usr/src/lib/libproc/common/proc_get_info.c
+++ b/usr/src/lib/libproc/common/proc_get_info.c
@@ -32,6 +32,7 @@
#include <fcntl.h>
#include <string.h>
#include <limits.h>
+#include <sys/secflags.h>
#include "Pcontrol.h"
@@ -68,6 +69,27 @@ proc_get_cred(pid_t pid, prcred_t *credp, int ngroups)
return (rv);
}
+int
+proc_get_secflags(pid_t pid, prsecflags_t **psf)
+{
+ char fname[PATH_MAX];
+ int fd;
+ int rv = -1;
+
+ if ((*psf = calloc(1, sizeof (prsecflags_t))) == NULL)
+ return (-1);
+
+ (void) snprintf(fname, sizeof (fname), "%s/%d/secflags",
+ procfs_path, (int)pid);
+ if ((fd = open(fname, O_RDONLY)) >= 0) {
+ if (read(fd, *psf, sizeof (prsecflags_t)) ==
+ sizeof (prsecflags_t))
+ rv = 0;
+ (void) close(fd);
+ }
+ return (rv);
+}
+
void
proc_free_priv(prpriv_t *prv)
{