Contents of /trunk/kdebase-workspace/patches/kdebase-workspace-4.11-kdm-logind-multiseat.patch
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Sat Aug 24 09:44:18 2013 UTC (11 years, 1 month ago) by niro
File size: 14329 byte(s)
Sat Aug 24 09:44:18 2013 UTC (11 years, 1 month ago) by niro
File size: 14329 byte(s)
-multi seat support with systemd
1 | diff -up kde-workspace-4.10.90/CMakeLists.txt.kdm_logind kde-workspace-4.10.90/CMakeLists.txt |
2 | --- kde-workspace-4.10.90/CMakeLists.txt.kdm_logind 2013-06-27 16:27:30.199895076 -0500 |
3 | +++ kde-workspace-4.10.90/CMakeLists.txt 2013-06-27 16:30:25.167008304 -0500 |
4 | @@ -128,6 +128,13 @@ if(Q_WS_X11) |
5 | endif() |
6 | endif(Q_WS_X11) |
7 | |
8 | +macro_optional_find_package(Systemd) |
9 | +set_package_properties(Systemd PROPERTIES DESCRIPTION "Init and service manager for Linux" |
10 | + URL "http://www.freedesktop.org/wiki/Software/systemd" |
11 | + TYPE OPTIONAL |
12 | + PURPOSE "Provides automatic multi-seat, session and power management features" |
13 | + ) |
14 | + |
15 | macro_optional_find_package(GLIB2 2.0) |
16 | set_package_properties(GLIB2 PROPERTIES DESCRIPTION "Low-level core library for data structure handling, portability wrappers, etc." |
17 | URL "http://www.gtk.org" |
18 | diff -up kde-workspace-4.10.90/cmake/modules/CMakeLists.txt.kdm_logind kde-workspace-4.10.90/cmake/modules/CMakeLists.txt |
19 | --- kde-workspace-4.10.90/cmake/modules/CMakeLists.txt.kdm_logind 2013-06-10 13:51:11.000000000 -0500 |
20 | +++ kde-workspace-4.10.90/cmake/modules/CMakeLists.txt 2013-06-27 16:27:30.199895076 -0500 |
21 | @@ -8,6 +8,7 @@ set(cmakeFiles FindCkConnector.cmake |
22 | FindOpenGLES.cmake |
23 | FindPAM.cmake |
24 | FindSensors.cmake |
25 | + FindSystemd.cmake |
26 | PkgConfigGetVar.cmake |
27 | UnixAuth.cmake ) |
28 | |
29 | diff -up kde-workspace-4.10.90/cmake/modules/FindSystemd.cmake.kdm_logind kde-workspace-4.10.90/cmake/modules/FindSystemd.cmake |
30 | --- kde-workspace-4.10.90/cmake/modules/FindSystemd.cmake.kdm_logind 2013-06-27 16:27:30.200895065 -0500 |
31 | +++ kde-workspace-4.10.90/cmake/modules/FindSystemd.cmake 2013-06-27 16:27:30.200895065 -0500 |
32 | @@ -0,0 +1,39 @@ |
33 | +# Finds systemd and its libraries |
34 | +# Not a huge module but sufficient for now |
35 | +# Uses the same semantics as pkg_check_modules, i.e. ${LIB}{_FOUND,_INCLUDE_DIR,_LIBRARIES} |
36 | +# where ${LIB} can be one of the following: |
37 | +# LIBSYSTEMD_JOURNAL, SYSTEMD, LIBSYSTEMD_DAEMON, LIBSYSTEMD_LOGIN, LIBSYSTEMD_ID128 |
38 | +# |
39 | +# Copyright: Red Hat, Inc. 2013 |
40 | +# Author: Martin Briza <mbriza@redhat.com> |
41 | +# |
42 | +# Distributed under the BSD license. See COPYING-CMAKE-SCRIPTS for details. |
43 | + |
44 | +#defining any of these disables systemd support |
45 | +if (NOT LIBSYSTEMD_JOURNAL_FOUND AND |
46 | + NOT SYSTEMD_FOUND AND |
47 | + NOT LIBSYSTEMD_DAEMON_FOUND AND |
48 | + NOT LIBSYSTEMD_LOGIN_FOUND AND |
49 | + NOT LIBSYSTEMD_ID128_FOUND) |
50 | +find_package(PkgConfig) |
51 | +if (PKG_CONFIG_FOUND) |
52 | + pkg_check_modules(LIBSYSTEMD_JOURNAL QUIET "libsystemd-journal") |
53 | + pkg_check_modules(SYSTEMD QUIET "systemd") |
54 | + pkg_check_modules(LIBSYSTEMD_DAEMON QUIET "libsystemd-daemon") |
55 | + pkg_check_modules(LIBSYSTEMD_LOGIN QUIET "libsystemd-login") |
56 | + pkg_check_modules(LIBSYSTEMD_ID128 QUIET "libsystemd-id128") |
57 | +endif (PKG_CONFIG_FOUND) |
58 | + |
59 | +if (SYSTEMD_FOUND) |
60 | + message(STATUS "Found systemd") |
61 | +endif(SYSTEMD_FOUND) |
62 | + |
63 | +mark_as_advanced(LIBSYSTEMD_JOURNAL_FOUND SYSTEMD_FOUND LIBSYSTEMD_DAEMON_FOUND LIBSYSTEMD_LOGIN_FOUND LIBSYSTEMD_ID128_FOUND) |
64 | +mark_as_advanced(LIBSYSTEMD_JOURNAL_INCLUDE_DIR SYSTEMD_INCLUDE_DIR LIBSYSTEMD_DAEMON_INCLUDE_DIR LIBSYSTEMD_LOGIN_INCLUDE_DIR LIBSYSTEMD_ID128_INCLUDE_DIR) |
65 | +mark_as_advanced(LIBSYSTEMD_JOURNAL_LIBRARIES SYSTEMD_LIBRARIES LIBSYSTEMD_DAEMON_LIBRARIES LIBSYSTEMD_LOGIN_LIBRARIES LIBSYSTEMD_ID128_LIBRARIES) |
66 | + |
67 | +endif (NOT LIBSYSTEMD_JOURNAL_FOUND AND |
68 | + NOT SYSTEMD_FOUND AND |
69 | + NOT LIBSYSTEMD_DAEMON_FOUND AND |
70 | + NOT LIBSYSTEMD_LOGIN_FOUND AND |
71 | + NOT LIBSYSTEMD_ID128_FOUND) |
72 | diff -up kde-workspace-4.10.90/kdm/backend/CMakeLists.txt.kdm_logind kde-workspace-4.10.90/kdm/backend/CMakeLists.txt |
73 | --- kde-workspace-4.10.90/kdm/backend/CMakeLists.txt.kdm_logind 2013-05-28 13:38:21.000000000 -0500 |
74 | +++ kde-workspace-4.10.90/kdm/backend/CMakeLists.txt 2013-06-27 16:27:30.201895054 -0500 |
75 | @@ -45,6 +45,10 @@ if (SECURE_RPC) |
76 | rpcauth.c |
77 | ) |
78 | endif (SECURE_RPC) |
79 | +if(LIBSYSTEMD_LOGIN_FOUND AND LIBSYSTEMD_DAEMON_FOUND) |
80 | + add_definitions( -DWITH_SYSTEMD=1 ) |
81 | + set(KDM_SYSTEMD_LIBRARIES ${LIBSYSTEMD_DAEMON_LIBRARIES} ${LIBSYSTEMD_LOGIN_LIBRARIES} ) |
82 | +endif(LIBSYSTEMD_LOGIN_FOUND AND LIBSYSTEMD_DAEMON_FOUND) |
83 | macro_add_file_dependencies(dm.h ${confci}) |
84 | macro_add_file_dependencies(error.c ${CMAKE_CURRENT_SOURCE_DIR}/printf.c) |
85 | kde4_add_executable(kdm NOGUI ${kdm_SRCS}) |
86 | @@ -60,6 +64,7 @@ target_link_libraries( kdm |
87 | ${NSL_LIBRARIES} |
88 | ${RESOLV_LIBRARIES} |
89 | ${SOCKET_LIBRARIES} |
90 | + ${KDM_SYSTEMD_LIBRARIES} |
91 | ) |
92 | if (CKCONNECTOR_FOUND) |
93 | include_directories(${CKCONNECTOR_INCLUDE_DIR} ${DBUS_INCLUDE_DIR} ${DBUS_ARCH_INCLUDE_DIR}) |
94 | diff -up kde-workspace-4.10.90/kdm/backend/dm.c.kdm_logind kde-workspace-4.10.90/kdm/backend/dm.c |
95 | --- kde-workspace-4.10.90/kdm/backend/dm.c.kdm_logind 2013-06-27 16:27:30.184895241 -0500 |
96 | +++ kde-workspace-4.10.90/kdm/backend/dm.c 2013-06-27 16:27:30.201895054 -0500 |
97 | @@ -50,6 +50,23 @@ from the copyright holder. |
98 | # include <sys/vt.h> |
99 | #endif |
100 | |
101 | +#ifdef WITH_SYSTEMD |
102 | +# include <systemd/sd-login.h> |
103 | +# include <systemd/sd-daemon.h> |
104 | + |
105 | +#define SYSTEMD_FAILURE_LIMIT 25 |
106 | + |
107 | + static int systemdMonitorInit(void); |
108 | + static void systemdMonitorDeinit(); |
109 | + static int systemdStartDisplay(char *); |
110 | + static void systemdCheckAdded(char **); |
111 | + static void systemdCheckRemoved(char **); |
112 | + static void systemdHandleChange(); |
113 | + |
114 | + sd_login_monitor *systemd_monitor = NULL; |
115 | + int systemd_monitor_fd = -1; |
116 | +#endif |
117 | + |
118 | static void sigHandler(int n); |
119 | static int scanConfigs(int force); |
120 | static void startDisplay(struct display *d); |
121 | @@ -308,7 +325,16 @@ main(int argc, char **argv) |
122 | #ifdef XDMCP |
123 | updateListenSockets(); |
124 | #endif |
125 | + |
126 | +#ifdef WITH_SYSTEMD |
127 | + if (systemdMonitorInit()) |
128 | + systemdHandleChange(); |
129 | +#endif |
130 | + |
131 | mainLoop(); |
132 | +#ifdef WITH_SYSTEMD |
133 | + systemdMonitorDeinit(); |
134 | +#endif |
135 | closeCtrl(0); |
136 | if (sdRec.how) { |
137 | int pid; |
138 | @@ -1280,6 +1306,14 @@ mainLoop(void) |
139 | } |
140 | continue; |
141 | } |
142 | + logError("STARTING"); |
143 | +#ifdef WITH_SYSTEMD |
144 | + if (systemd_monitor_fd >= 0 && FD_ISSET(systemd_monitor_fd, &reads)) { |
145 | + systemdHandleChange(); |
146 | + sd_login_monitor_flush(systemd_monitor); |
147 | + continue; |
148 | + } |
149 | +#endif |
150 | #ifdef XDMCP |
151 | if (processListenSockets(&reads)) |
152 | continue; |
153 | @@ -1304,6 +1338,151 @@ mainLoop(void) |
154 | } |
155 | } |
156 | |
157 | +#ifdef WITH_SYSTEMD |
158 | +static int |
159 | +systemdMonitorInit(void) |
160 | +{ |
161 | + if (sd_booted() <= 0) { |
162 | + logError("Didn't boot with systemd, automatic multiseat won't be enabled\n"); |
163 | + return False; |
164 | + } |
165 | + |
166 | + int check = sd_login_monitor_new("seat", &systemd_monitor); |
167 | + if (check < 0) { |
168 | + logError("Can't get systemd monitor: %d, automatic multiseat won't be enabled\n", check); |
169 | + return False; |
170 | + } |
171 | + |
172 | + systemd_monitor_fd = sd_login_monitor_get_fd(systemd_monitor); |
173 | + if (systemd_monitor_fd < 0) { |
174 | + logError("Can't retrieve file descriptor from the systemd monitor: %d, automatic multiseat won't be enabled\n", systemd_monitor_fd); |
175 | + sd_login_monitor_unref(systemd_monitor); |
176 | + systemd_monitor_fd = -1; |
177 | + return False; |
178 | + } |
179 | + |
180 | + registerInput(systemd_monitor_fd); |
181 | + return True; |
182 | +} |
183 | + |
184 | +static void |
185 | +systemdMonitorDeinit(void) |
186 | +{ |
187 | + if (systemd_monitor) { |
188 | + sd_login_monitor_unref(systemd_monitor); |
189 | + } |
190 | + systemd_monitor_fd = -1; |
191 | +} |
192 | + |
193 | +static int |
194 | +systemdStartDisplay(char *seat) |
195 | +{ |
196 | + struct display *link = NULL; |
197 | + for (link = displays; link; link = link-> next) { |
198 | + if (link->status == reserve) |
199 | + break; |
200 | + } |
201 | + if (!link) { |
202 | + logError("There's not enough reserve displays for all your seats/sessions"); |
203 | + return False; |
204 | + } |
205 | + if (!strDup((&link->systemd_seat), seat)) { |
206 | + return False; |
207 | + } |
208 | +#ifdef HAVE_VTS |
209 | + link->serverVT = 0; |
210 | +#endif |
211 | + link->status = notRunning; |
212 | + link->stillThere = True; |
213 | + link->authorize = True; |
214 | + link->displayType = dLocal | dPermanent; |
215 | + link->reqSrvVT = -1; |
216 | + link->serverPid = -1; |
217 | + return True; |
218 | +} |
219 | + |
220 | +static void |
221 | +systemdCheckAdded(char **seat_names) |
222 | +{ |
223 | + char **iter_name; |
224 | + struct display *link; |
225 | + for (iter_name = seat_names; *iter_name; iter_name++) { |
226 | + if (strcmp(*iter_name, "seat0") == 0) |
227 | + continue; /* ignore the main seat */ |
228 | + int can_graphical = sd_seat_can_graphical(*iter_name); |
229 | + for (link = displays; link; link = link->next) { |
230 | + if (!link->systemd_seat) |
231 | + continue; |
232 | + /* see if the can_graphical property didn't change */ |
233 | + if (strcmp(*iter_name, link->systemd_seat) == 0) { |
234 | + if (!can_graphical) { |
235 | + free(link->systemd_seat); |
236 | + link->systemd_seat = NULL; |
237 | + rStopDisplay(link, DS_RESERVE); |
238 | + } |
239 | + break; |
240 | + } |
241 | + } |
242 | + /* the display wasn't found */ |
243 | + if (!link) { |
244 | + if (can_graphical) { |
245 | + /* if starting the display failed, skip this round until the next change */ |
246 | + if (!systemdStartDisplay(*iter_name)) |
247 | + break; |
248 | + } |
249 | + } |
250 | + } |
251 | +} |
252 | + |
253 | +static void |
254 | +systemdCheckRemoved(char **seat_names) |
255 | +{ |
256 | + char **iter_name; |
257 | + struct display *link; |
258 | + for (link = displays; link; link = link->next) { |
259 | + for (iter_name = seat_names; *iter_name; iter_name++) { |
260 | + if (strcmp(*iter_name, "seat0") == 0) |
261 | + continue; /* ignore the main seat */ |
262 | + if (link->systemd_seat && strcmp(*iter_name, link->systemd_seat) == 0) |
263 | + break; |
264 | + } |
265 | + if (!(*iter_name) && link->systemd_seat) { /* was not found, stop this one */ |
266 | + free(link->systemd_seat); |
267 | + link->systemd_seat = NULL; |
268 | + rStopDisplay(link, DS_RESERVE); |
269 | + } |
270 | + } |
271 | +} |
272 | + |
273 | +static void |
274 | +systemdHandleChange(void) |
275 | +{ |
276 | + static int failures = 0; |
277 | + char **seat_names; |
278 | + char **iter_name; |
279 | + int check; |
280 | + if ((check = sd_get_seats(&seat_names)) < 0) { |
281 | + logError("Can't obtain systemd seats, error %d\n", -check); |
282 | + failures++; |
283 | + if (failures >= SYSTEMD_FAILURE_LIMIT) { |
284 | + logError("%u failed calls to sd_get_seats, disabling systemd multi-seat support\n", SYSTEMD_FAILURE_LIMIT); |
285 | + systemdMonitorDeinit(); |
286 | + } |
287 | + return; |
288 | + } |
289 | + |
290 | + if (!check) |
291 | + return; |
292 | + |
293 | + systemdCheckAdded(seat_names); |
294 | + systemdCheckRemoved(seat_names); |
295 | + |
296 | + for (iter_name = seat_names; *iter_name; iter_name++) |
297 | + free(*iter_name); |
298 | + free(seat_names); |
299 | +} |
300 | +#endif |
301 | + |
302 | static void |
303 | checkDisplayStatus(struct display *d) |
304 | { |
305 | diff -up kde-workspace-4.10.90/kdm/backend/dm.h.kdm_logind kde-workspace-4.10.90/kdm/backend/dm.h |
306 | --- kde-workspace-4.10.90/kdm/backend/dm.h.kdm_logind 2013-06-27 16:27:30.184895241 -0500 |
307 | +++ kde-workspace-4.10.90/kdm/backend/dm.h 2013-06-27 16:27:30.201895054 -0500 |
308 | @@ -306,6 +306,9 @@ struct display { |
309 | char *greeterAuthFile; /* file to store authorization for greeter in */ |
310 | |
311 | int plymouth_is_running; /* Plymouth's status */ |
312 | +#ifdef WITH_SYSTEMD |
313 | + char *systemd_seat; |
314 | +#endif |
315 | }; |
316 | |
317 | #define d_location 1 |
318 | diff -up kde-workspace-4.10.90/kdm/backend/server.c.kdm_logind kde-workspace-4.10.90/kdm/backend/server.c |
319 | --- kde-workspace-4.10.90/kdm/backend/server.c.kdm_logind 2013-06-27 16:27:30.184895241 -0500 |
320 | +++ kde-workspace-4.10.90/kdm/backend/server.c 2013-06-27 16:27:30.201895054 -0500 |
321 | @@ -43,6 +43,7 @@ from the copyright holder. |
322 | #include <stdio.h> |
323 | #include <signal.h> |
324 | |
325 | +#define SYSTEMD_X_WRAPPER "/lib/systemd/systemd-multi-seat-x" |
326 | |
327 | struct display *startingServer; |
328 | time_t serverTimeout = TO_INF; |
329 | @@ -55,9 +56,18 @@ prepareServerArgv(struct display *d, con |
330 | char vtstr[8]; |
331 | #endif |
332 | |
333 | - if (!(argv = parseArgs(0, d->serverCmd)) || |
334 | - !(argv = addStrArr(argv, d->name, -1))) |
335 | +#if WITH_SYSTEMD |
336 | + FILE *tmpFile = NULL; |
337 | + if ((tmpFile = fopen(SYSTEMD_X_WRAPPER, "rb")) != NULL && fclose(tmpFile) == 0) { |
338 | + if (!(argv = parseArgs(0, SYSTEMD_X_WRAPPER)) || !(argv = addStrArr(argv, d->name, -1))) { |
339 | + exit(47); |
340 | + } |
341 | + } |
342 | + else |
343 | +#endif |
344 | + if (!(argv = parseArgs(0, d->serverCmd)) || !(argv = addStrArr(argv, d->name, -1))) { |
345 | exit(47); |
346 | + } |
347 | #ifdef HAVE_VTS |
348 | if (d->serverVT && |
349 | !(argv = addStrArr(argv, vtstr, |
350 | @@ -70,6 +80,25 @@ prepareServerArgv(struct display *d, con |
351 | if (!changeUser(d->serverUID, d->authFile)) |
352 | exit(47); |
353 | |
354 | +#ifdef WITH_SYSTEMD |
355 | + if (d->systemd_seat) { |
356 | + if (!(argv = parseArgs(argv, "-seat"))) |
357 | + exit(47); |
358 | + if (!(argv = parseArgs(argv, d->systemd_seat))) |
359 | + exit(47); |
360 | + if (!(argv = parseArgs(argv, "-layout"))) |
361 | + exit(47); |
362 | + if (!(argv = parseArgs(argv, d->systemd_seat))) |
363 | + exit(47); |
364 | + } |
365 | + else { |
366 | + if (!(argv = parseArgs(argv, "-seat"))) |
367 | + exit(47); |
368 | + if (!(argv = parseArgs(argv, "seat0"))) |
369 | + exit(47); |
370 | + } |
371 | +#endif |
372 | + |
373 | return argv; |
374 | } |
375 | |
376 | --- kde-workspace-4.10.2/kdm/backend/client.c.kdm_logind |
377 | +++ kde-workspace-4.10.2/kdm/backend/client.c |
378 | @@ -1461,6 +1461,14 @@ startClient(volatile int *pid) |
379 | #endif |
380 | userEnviron = inheritEnv(env, envvars); |
381 | env = systemEnv(0, curuser); |
382 | +#ifdef WITH_SYSTEMD |
383 | + if (td->systemd_seat) { |
384 | + char *envbuf; |
385 | + ASPrintf(&envbuf, "XDG_SEAT=%s", td->systemd_seat); |
386 | + pam_putenv(pamh, envbuf); |
387 | + env = setEnv(env, "XDG_SEAT", td->systemd_seat); |
388 | + } |
389 | +#endif |
390 | systemEnviron = setEnv(env, "HOME", p->pw_dir); |
391 | debug("user environment:\n%[|''>'\n's" |
392 | "system environment:\n%[|''>'\n's" |
393 | --- kde-workspace-4.10.2/kdm/backend/session.c.kdm_logind |
394 | +++ kde-workspace-4.10.2/kdm/backend/session.c |
395 | @@ -437,6 +437,10 @@ openGreeter() |
396 | |
397 | grttalk.pipe = &grtproc.pipe; |
398 | env = systemEnv(dupEnv(), 0); |
399 | +#ifdef WITH_SYSTEMD |
400 | + if (td->systemd_seat) |
401 | + env = setEnv(env, "XDG_SEAT", td->systemd_seat); |
402 | +#endif |
403 | if (gOpen(&grtproc, (char **)0, "_greet", env, name, |
404 | greeterUID, td->greeterAuthFile, &td->gpipe)) |
405 | sessionExit(EX_UNMANAGE_DPY); |