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Merge pull request #1546 from 4e554c4c/wlr_logs

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Consolidate WLR and Sway logging
This commit is contained in:
Drew DeVault 2018-01-01 11:32:03 -05:00 committed by GitHub
commit 0f42f8c158
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 30 deletions
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48
sway/main.c
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@ -15,12 +15,12 @@
#include <sys/capability.h> #include <sys/capability.h>
#include <sys/prctl.h> #include <sys/prctl.h>
#endif #endif
#include <wlr/util/log.h>
#include "sway/config.h" #include "sway/config.h"
#include "sway/server.h" #include "sway/server.h"
#include "sway/layout.h" #include "sway/layout.h"
#include "sway/ipc-server.h" #include "sway/ipc-server.h"
#include "ipc-client.h" #include "ipc-client.h"
#include "log.h"
#include "readline.h" #include "readline.h"
#include "stringop.h" #include "stringop.h"
#include "util.h" #include "util.h"
@ -126,7 +126,7 @@ static void log_env() {
"SWAYSOCK" "SWAYSOCK"
}; };
for (size_t i = 0; i < sizeof(log_vars) / sizeof(char *); ++i) { for (size_t i = 0; i < sizeof(log_vars) / sizeof(char *); ++i) {
sway_log(L_INFO, "%s=%s", log_vars[i], getenv(log_vars[i])); wlr_log(L_INFO, "%s=%s", log_vars[i], getenv(log_vars[i]));
} }
} }
@ -141,14 +141,14 @@ static void log_distro() {
for (size_t i = 0; i < sizeof(paths) / sizeof(char *); ++i) { for (size_t i = 0; i < sizeof(paths) / sizeof(char *); ++i) {
FILE *f = fopen(paths[i], "r"); FILE *f = fopen(paths[i], "r");
if (f) { if (f) {
sway_log(L_INFO, "Contents of %s:", paths[i]); wlr_log(L_INFO, "Contents of %s:", paths[i]);
while (!feof(f)) { while (!feof(f)) {
char *line; char *line;
if (!(line = read_line(f))) { if (!(line = read_line(f))) {
break; break;
} }
if (*line) { if (*line) {
sway_log(L_INFO, "%s", line); wlr_log(L_INFO, "%s", line);
} }
free(line); free(line);
} }
@ -161,7 +161,7 @@ static void log_kernel() {
return; return;
FILE *f = popen("uname -a", "r"); FILE *f = popen("uname -a", "r");
if (!f) { if (!f) {
sway_log(L_INFO, "Unable to determine kernel version"); wlr_log(L_INFO, "Unable to determine kernel version");
return; return;
} }
while (!feof(f)) { while (!feof(f)) {
@ -170,7 +170,7 @@ static void log_kernel() {
break; break;
} }
if (*line) { if (*line) {
sway_log(L_INFO, "%s", line); wlr_log(L_INFO, "%s", line);
} }
free(line); free(line);
} }
@ -181,14 +181,14 @@ static void security_sanity_check() {
// TODO: Notify users visually if this has issues // TODO: Notify users visually if this has issues
struct stat s; struct stat s;
if (stat("/proc", &s)) { if (stat("/proc", &s)) {
sway_log(L_ERROR, wlr_log(L_ERROR,
"!! DANGER !! /proc is not available - sway CANNOT enforce security rules!"); "!! DANGER !! /proc is not available - sway CANNOT enforce security rules!");
} }
#ifdef __linux__ #ifdef __linux__
cap_flag_value_t v; cap_flag_value_t v;
cap_t cap = cap_get_proc(); cap_t cap = cap_get_proc();
if (!cap || cap_get_flag(cap, CAP_SYS_PTRACE, CAP_PERMITTED, &v) != 0 || v != CAP_SET) { if (!cap || cap_get_flag(cap, CAP_SYS_PTRACE, CAP_PERMITTED, &v) != 0 || v != CAP_SET) {
sway_log(L_ERROR, wlr_log(L_ERROR,
"!! DANGER !! Sway does not have CAP_SYS_PTRACE and cannot enforce security rules for processes running as other users."); "!! DANGER !! Sway does not have CAP_SYS_PTRACE and cannot enforce security rules for processes running as other users.");
} }
if (cap) { if (cap) {
@ -204,13 +204,13 @@ static void executable_sanity_check() {
stat(exe, &sb); stat(exe, &sb);
// We assume that cap_get_file returning NULL implies ENODATA // We assume that cap_get_file returning NULL implies ENODATA
if (sb.st_mode & (S_ISUID|S_ISGID) && cap_get_file(exe)) { if (sb.st_mode & (S_ISUID|S_ISGID) && cap_get_file(exe)) {
sway_log(L_ERROR, wlr_log(L_ERROR,
"sway executable has both the s(g)uid bit AND file caps set."); "sway executable has both the s(g)uid bit AND file caps set.");
sway_log(L_ERROR, wlr_log(L_ERROR,
"This is strongly discouraged (and completely broken)."); "This is strongly discouraged (and completely broken).");
sway_log(L_ERROR, wlr_log(L_ERROR,
"Please clear one of them (either the suid bit, or the file caps)."); "Please clear one of them (either the suid bit, or the file caps).");
sway_log(L_ERROR, wlr_log(L_ERROR,
"If unsure, strip the file caps."); "If unsure, strip the file caps.");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -221,16 +221,16 @@ static void executable_sanity_check() {
static void drop_permissions(bool keep_caps) { static void drop_permissions(bool keep_caps) {
if (getuid() != geteuid() || getgid() != getegid()) { if (getuid() != geteuid() || getgid() != getegid()) {
if (setgid(getgid()) != 0) { if (setgid(getgid()) != 0) {
sway_log(L_ERROR, "Unable to drop root"); wlr_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if (setuid(getuid()) != 0) { if (setuid(getuid()) != 0) {
sway_log(L_ERROR, "Unable to drop root"); wlr_log(L_ERROR, "Unable to drop root");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
} }
if (setuid(0) != -1) { if (setuid(0) != -1) {
sway_log(L_ERROR, "Root privileges can be restored."); wlr_log(L_ERROR, "Root privileges can be restored.");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
#ifdef __linux__ #ifdef __linux__
@ -238,11 +238,11 @@ static void drop_permissions(bool keep_caps) {
// Drop every cap except CAP_SYS_PTRACE // Drop every cap except CAP_SYS_PTRACE
cap_t caps = cap_init(); cap_t caps = cap_init();
cap_value_t keep = CAP_SYS_PTRACE; cap_value_t keep = CAP_SYS_PTRACE;
sway_log(L_INFO, "Dropping extra capabilities"); wlr_log(L_INFO, "Dropping extra capabilities");
if (cap_set_flag(caps, CAP_PERMITTED, 1, &keep, CAP_SET) || if (cap_set_flag(caps, CAP_PERMITTED, 1, &keep, CAP_SET) ||
cap_set_flag(caps, CAP_EFFECTIVE, 1, &keep, CAP_SET) || cap_set_flag(caps, CAP_EFFECTIVE, 1, &keep, CAP_SET) ||
cap_set_proc(caps)) { cap_set_proc(caps)) {
sway_log(L_ERROR, "Failed to drop extra capabilities"); wlr_log(L_ERROR, "Failed to drop extra capabilities");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
} }
@ -330,22 +330,22 @@ int main(int argc, char **argv) {
// TODO: switch logging over to wlroots? // TODO: switch logging over to wlroots?
if (debug) { if (debug) {
init_log(L_DEBUG); wlr_log_init(L_DEBUG, NULL);
} else if (verbose || validate) { } else if (verbose || validate) {
init_log(L_INFO); wlr_log_init(L_INFO, NULL);
} else { } else {
init_log(L_ERROR); wlr_log_init(L_ERROR, NULL);
} }
if (optind < argc) { // Behave as IPC client if (optind < argc) { // Behave as IPC client
if(optind != 1) { if(optind != 1) {
sway_log(L_ERROR, "Don't use options with the IPC client"); wlr_log(L_ERROR, "Don't use options with the IPC client");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
drop_permissions(false); drop_permissions(false);
char *socket_path = getenv("SWAYSOCK"); char *socket_path = getenv("SWAYSOCK");
if (!socket_path) { if (!socket_path) {
sway_log(L_ERROR, "Unable to retrieve socket path"); wlr_log(L_ERROR, "Unable to retrieve socket path");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
char *command = join_args(argv + optind, argc - optind); char *command = join_args(argv + optind, argc - optind);
@ -359,7 +359,7 @@ int main(int argc, char **argv) {
if (getuid() != geteuid() || getgid() != getegid()) { if (getuid() != geteuid() || getgid() != getegid()) {
// Retain capabilities after setuid() // Retain capabilities after setuid()
if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0)) { if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0)) {
sway_log(L_ERROR, "Cannot keep caps after setuid()"); wlr_log(L_ERROR, "Cannot keep caps after setuid()");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
suid = true; suid = true;
@ -380,7 +380,7 @@ int main(int argc, char **argv) {
// prevent ipc from crashing sway // prevent ipc from crashing sway
signal(SIGPIPE, SIG_IGN); signal(SIGPIPE, SIG_IGN);
sway_log(L_INFO, "Starting sway version " SWAY_VERSION "\n"); wlr_log(L_INFO, "Starting sway version " SWAY_VERSION "\n");
init_layout(); init_layout();

13
sway/server.c
View File

@ -10,12 +10,12 @@
#include <wlr/types/wlr_wl_shell.h> #include <wlr/types/wlr_wl_shell.h>
// TODO WLR: make Xwayland optional // TODO WLR: make Xwayland optional
#include <wlr/xwayland.h> #include <wlr/xwayland.h>
#include <wlr/util/log.h>
#include "sway/server.h" #include "sway/server.h"
#include "sway/input/input-manager.h" #include "sway/input/input-manager.h"
#include "log.h"
bool server_init(struct sway_server *server) { bool server_init(struct sway_server *server) {
sway_log(L_DEBUG, "Initializing Wayland server"); wlr_log(L_DEBUG, "Initializing Wayland server");
server->wl_display = wl_display_create(); server->wl_display = wl_display_create();
server->wl_event_loop = wl_display_get_event_loop(server->wl_display); server->wl_event_loop = wl_display_get_event_loop(server->wl_display);
@ -55,7 +55,8 @@ bool server_init(struct sway_server *server) {
server->wl_shell_surface.notify = handle_wl_shell_surface; server->wl_shell_surface.notify = handle_wl_shell_surface;
server->socket = wl_display_add_socket_auto(server->wl_display); server->socket = wl_display_add_socket_auto(server->wl_display);
if (!sway_assert(server->socket, "Unable to open wayland socket")) { if (!server->socket) {
wlr_log(L_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(server->backend); wlr_backend_destroy(server->backend);
return false; return false;
} }
@ -71,11 +72,11 @@ void server_fini(struct sway_server *server) {
} }
void server_run(struct sway_server *server) { void server_run(struct sway_server *server) {
sway_log(L_INFO, "Running compositor on wayland display '%s'", wlr_log(L_INFO, "Running compositor on wayland display '%s'",
server->socket); server->socket);
setenv("_WAYLAND_DISPLAY", server->socket, true); setenv("_WAYLAND_DISPLAY", server->socket, true);
if (!sway_assert(wlr_backend_start(server->backend), if (!wlr_backend_start(server->backend)) {
"Failed to start backend")) { wlr_log(L_ERROR, "Failed to start backend");
wlr_backend_destroy(server->backend); wlr_backend_destroy(server->backend);
return; return;
} }