diff options
| author | Leandro Pereira <leandro@hardinfo.org> | 2016-07-24 15:41:00 -0300 |
|---|---|---|
| committer | Leandro Pereira <leandro@hardinfo.org> | 2016-07-24 15:41:00 -0300 |
| commit | b50d5ab3f0373220beaabd50b37cd4372a75fc01 (patch) | |
| tree | 5c8902a3575fe85318ee47d2c2e491fae8b1a590 /modules | |
| parent | eee1c0a85b02eb968545a41e816b7e74aeeef8d1 (diff) | |
Show bits of entropy available to /dev/(u)random
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/computer.c | 12 | ||||
| -rw-r--r-- | modules/computer/os.c | 13 |
2 files changed, 22 insertions, 3 deletions
diff --git a/modules/computer.c b/modules/computer.c index 8fabdb07..970927fb 100644 --- a/modules/computer.c +++ b/modules/computer.c @@ -96,9 +96,10 @@ gchar *hi_more_info(gchar * entry) gchar *hi_get_field(gchar * field) { - setlocale(LC_ALL, "C"); //Load Average is not updated if locale is not C, switch locale to C gchar *tmp; + setlocale(LC_ALL, "C"); //Load Average is not updated if locale is not C, switch locale to C + if (g_str_equal(field, "Memory")) { MemoryInfo *mi = computer_get_memory(); tmp = g_strdup_printf(_("%dMB (%dMB used)"), mi->total, mi->used); @@ -112,6 +113,8 @@ gchar *hi_get_field(gchar * field) strftime(tmp, 64, "%c", localtime(&t)); } else if (g_str_equal(field, "Load Average")) { tmp = computer_get_formatted_loadavg(); + } else if (g_str_equal(field, "Available entropy in /dev/random")) { + tmp = computer_get_entropy_avail(); } else { tmp = g_strdup(""); } @@ -417,6 +420,7 @@ gchar *callback_os() return g_strdup_printf(_("[$ShellParam$]\n" "UpdateInterval$Uptime=10000\n" "UpdateInterval$Load Average=1000\n" + "UpdateInterval$Available entropy in /dev/random=1000\n" "[Version]\n" "Kernel=%s\n" "Version=%s\n" @@ -430,7 +434,8 @@ gchar *callback_os() "Desktop Environment=%s\n" "[Misc]\n" "Uptime=...\n" - "Load Average=..."), + "Load Average=...\n" + "Available entropy in /dev/random=..."), computer->os->kernel, computer->os->kernel_version, computer->os->libc, @@ -438,7 +443,8 @@ gchar *callback_os() computer->os->hostname, computer->os->username, computer->os->language, - computer->os->homedir, computer->os->desktop); + computer->os->homedir, computer->os->desktop, + computer->os->entropy_avail); } gchar *callback_modules() diff --git a/modules/computer/os.c b/modules/computer/os.c index 41f8cb3a..3caf6c26 100644 --- a/modules/computer/os.c +++ b/modules/computer/os.c @@ -141,6 +141,17 @@ detect_desktop_environment(OperatingSystem * os) } } +gchar * +computer_get_entropy_avail(void) +{ + gint bits = h_sysfs_read_int("/proc/sys/kernel/random", "entropy_avail"); + if (bits < 200) + return g_strdup_printf("%d bits (low)", bits); + if (bits < 3000) + return g_strdup_printf("%d bits (medium)", bits); + return g_strdup_printf("%d bits (healthy)", bits); +} + OperatingSystem * computer_get_os(void) { @@ -241,5 +252,7 @@ computer_get_os(void) scan_languages(os); detect_desktop_environment(os); + os->entropy_avail = computer_get_entropy_avail(); + return os; } |