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Merge pull request #2146 from tobiasblass/prepare_server_before_dropping_privileges

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Perform (partial) server initialization before dropping privileges.
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Drew DeVault 2018-06-22 06:41:34 -07:00 committed by GitHub
commit e8fbda4d21
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3 changed files with 15 additions and 3 deletions
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2
include/sway/server.h
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@ -47,6 +47,8 @@ struct sway_server {
struct sway_server server; struct sway_server server;
/* Prepares an unprivileged server_init by performing all privileged operations in advance */
bool server_privileged_prepare(struct sway_server *server);
bool server_init(struct sway_server *server); bool server_init(struct sway_server *server);
void server_fini(struct sway_server *server); void server_fini(struct sway_server *server);
void server_run(struct sway_server *server); void server_run(struct sway_server *server);

5
sway/main.c
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@ -359,6 +359,11 @@ int main(int argc, char **argv) {
executable_sanity_check(); executable_sanity_check();
bool suid = false; bool suid = false;
if (!server_privileged_prepare(&server)) {
return 1;
}
#ifdef __linux__ #ifdef __linux__
if (getuid() != geteuid() || getgid() != getegid()) { if (getuid() != geteuid() || getgid() != getegid()) {
// Retain capabilities after setuid() // Retain capabilities after setuid()

11
sway/server.c
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@ -26,9 +26,8 @@
#include "sway/tree/layout.h" #include "sway/tree/layout.h"
bool server_init(struct sway_server *server) { bool server_privileged_prepare(struct sway_server *server) {
wlr_log(L_DEBUG, "Initializing Wayland server"); wlr_log(L_DEBUG, "Preparing Wayland server initialization");
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);
server->backend = wlr_backend_autocreate(server->wl_display, NULL); server->backend = wlr_backend_autocreate(server->wl_display, NULL);
@ -37,6 +36,12 @@ bool server_init(struct sway_server *server) {
wlr_log(L_ERROR, "Unable to create backend"); wlr_log(L_ERROR, "Unable to create backend");
return false; return false;
} }
return true;
}
bool server_init(struct sway_server *server) {
wlr_log(L_DEBUG, "Initializing Wayland server");
struct wlr_renderer *renderer = wlr_backend_get_renderer(server->backend); struct wlr_renderer *renderer = wlr_backend_get_renderer(server->backend);
assert(renderer); assert(renderer);