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Commit 069e3725 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf tools: Check $HOME/.perfconfig ownership 



Just like we do already for perf.data files.

Requested-by: default avatarIngo Molnar <mingo@elte.hu>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Christian Ohm <chr.ohm@gmx.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qgokmxsmvppwpc5404qhyk7e@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 9941c96a

tools/perf/util/config.c

+23 −4
Original line number Diff line number Diff line
@@ -413,13 +413,32 @@ int perf_config(config_fn_t fn, void *data) 
	home = getenv("HOME");

	if (perf_config_global() && home) {

		char *user_config = strdup(mkpath("%s/.perfconfig", home));

		if (!access(user_config, R_OK)) {

		struct stat st;



		if (user_config == NULL) {

			warning("Not enough memory to process %s/.perfconfig, "

				"ignoring it.", home);

			goto out;

		}



		if (stat(user_config, &st) < 0)

			goto out_free;



		if (st.st_uid && (st.st_uid != geteuid())) {

			warning("File %s not owned by current user or root, "

				"ignoring it.", user_config);

			goto out_free;

		}



		if (!st.st_size)

			goto out_free;



		ret += perf_config_from_file(fn, user_config, data);

		found += 1;

		}

out_free:

		free(user_config);

	}



out:

	if (found == 0)

		return -1;

	return ret;