X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Flabel.c;h=fb9a1b426210c473385bba4e0f62daa6f90c943b;hb=4d4c74866c12c98b2834e8eff218b74cb83bb608;hp=43f6e89fa5a1e22bdf30f39195c523ece3714f37;hpb=b4bd51448fa8b7574e9a92af50b58da9bb0dfb5e;p=elogind.git diff --git a/src/label.c b/src/label.c index 43f6e89fa..fb9a1b426 100644 --- a/src/label.c +++ b/src/label.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "label.h" #include "util.h" @@ -32,13 +33,18 @@ static struct selabel_handle *label_hnd = NULL; +static int use_selinux_cached = -1; + static inline bool use_selinux(void) { - static int use_selinux_ind = -1; - if (use_selinux_ind < 0) - use_selinux_ind = is_selinux_enabled() > 0; + if (use_selinux_cached < 0) + use_selinux_cached = is_selinux_enabled() > 0; + + return use_selinux_cached; +} - return use_selinux_ind; +void label_retest_selinux(void) { + use_selinux_cached = -1; } #endif @@ -47,6 +53,8 @@ int label_init(void) { int r = 0; #ifdef HAVE_SELINUX + usec_t before_timestamp, after_timestamp; + struct mallinfo before_mallinfo, after_mallinfo; if (!use_selinux()) return 0; @@ -54,11 +62,26 @@ int label_init(void) { if (label_hnd) return 0; + before_mallinfo = mallinfo(); + before_timestamp = now(CLOCK_MONOTONIC); + label_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0); if (!label_hnd) { log_full(security_getenforce() == 1 ? LOG_ERR : LOG_DEBUG, "Failed to initialize SELinux context: %m"); r = security_getenforce() == 1 ? -errno : 0; + } else { + char timespan[FORMAT_TIMESPAN_MAX]; + int l; + + after_timestamp = now(CLOCK_MONOTONIC); + after_mallinfo = mallinfo(); + + l = after_mallinfo.uordblks > before_mallinfo.uordblks ? after_mallinfo.uordblks - before_mallinfo.uordblks : 0; + + log_info("Successfully loaded SELinux database in %s, size on heap is %iK.", + format_timespan(timespan, sizeof(timespan), after_timestamp - before_timestamp), + (l+1023)/1024); } #endif @@ -115,7 +138,7 @@ void label_finish(void) { #endif } -int label_get_socket_label_from_exe(const char *exe, char **label) { +int label_get_create_label_from_exe(const char *exe, char **label) { int r = 0;