add private-bin support to profile builder

1 files changed, 12 insertions, 0 deletions

diff --git a/src/libtrace/libtrace.c b/src/libtrace/libtrace.c
index 5cdb254a3..04cf64997 100644
--- a/src/libtrace/libtrace.c
+++ b/src/libtrace/libtrace.c
@@ -673,3 +673,15 @@ int setresgid(gid_t rgid, gid_t egid, gid_t sgid) {
 
         return rv;
 }
+
+// every time a new process is started, this gets called
+// it can be used to build things like private-bin
+__attribute__((constructor))
+static void log_exec(int argc, char** argv) {
+        static char buf[PATH_MAX + 1];
+        int rv = readlink("/proc/self/exe", buf, PATH_MAX);
+        if (rv != -1) {
+                buf[rv] = '\0'; // readlink does not add a '\0' at the end
+                printf("%u:%s:exec %s:0\n", pid(), name(), buf);
+        }
+}