Added wayland session supports

makefile

@@ -61,6 +61,7 @@ install:$(BIND)/$(NAME)
 	install -dZ ${DESTDIR}/etc/ly
 	install -DZ $(BIND)/$(NAME) -t ${DESTDIR}/usr/bin
 	install -DZ xsetup.sh -t ${DESTDIR}/etc/ly
+	install -DZ wsetup.sh -t ${DESTDIR}/etc/ly
 	install -DZ $(RESD)/config.ini -t ${DESTDIR}/etc/ly
 	install -dZ ${DESTDIR}/etc/ly/lang
 	install -DZ $(RESD)/lang/* -t ${DESTDIR}/etc/ly/lang

res/config.ini

@@ -38,6 +38,9 @@
 #xauthority=.lyxauth
 #path=/sbin:/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/bin/env
 
+#wayland_cmd=/etc/ly/wsetup.sh
+#wayland_sessions=/usr/share/wayland-sessions
+
 # shutdown is given parameters, do not use an alternative
 # this is here only to allow you to change its location
 #shutdown_cmd=/sbin/shutdown

src/config.c

@@ -65,6 +65,10 @@ int config_lang_handler(void* user, const char* section, const char* name, const
 		{
 			cfg_dup(&lang.xinitrc, value);
 		}
+		else if (strcmp(name, "wayland") == 0)
+		{
+			cfg_dup(&lang.wayland, value);
+		}
 		else if (strcmp(name, "logout") == 0)
 		{
 			cfg_dup(&lang.logout, value);
@@ -184,6 +188,10 @@ void config_lang_patch()
 	{
 		lang.xinitrc = strdup("xinitrc");
 	}
+	if (lang.wayland == 0)
+	{
+		lang.wayland = strdup("wayland");
+	}
 	if (lang.logout == 0)
 	{
 		lang.logout = strdup("logout");
@@ -282,6 +290,7 @@ void config_lang_free()
 	free(lang.f2);
 	free(lang.shell);
 	free(lang.xinitrc);
+	free(lang.wayland);
 	free(lang.logout);
 	free(lang.capslock);
 	free(lang.numlock);
@@ -375,6 +384,14 @@ int config_config_handler(void* user, const char* section, const char* name, con
 		else if (strcmp(name, "x_cmd_setup") == 0)
 		{
 			cfg_dup(&config.x_cmd_setup, value);
+		}
+		else if (strcmp(name, "wayland_sessions") == 0)
+		{
+			cfg_dup(&config.wayland_sessions, value);
+		}
+        else if (strcmp(name, "wayland_cmd") == 0)
+        {
+            cfg_dup(&config.wayland_cmd, value);
         }
 		else if (strcmp(name, "mcookie_cmd") == 0)
 		{
@@ -519,6 +536,13 @@ void config_config_patch()
 	{
 		config.x_cmd_setup = strdup("/etc/ly/xsetup.sh");
 	}
+	if (config.wayland_sessions == 0){
+	    config.wayland_sessions = strdup("/usr/share/wayland-sessions");
+	}
+    if (config.wayland_cmd == 0)
+    {
+        config.wayland_cmd = strdup("/etc/ly/wsetup.sh");
+    }
     if (config.mcookie_cmd == 0)
 	{
 		config.mcookie_cmd = strdup("/usr/bin/mcookie");
@@ -569,6 +593,8 @@ void config_config_free()
 {
 	free(config.xsessions);
 	free(config.service_name);
+	free(config.wayland_sessions);
+	free(config.wayland_cmd);
 	free(config.x_cmd);
 	free(config.x_cmd_setup);
 	free(config.mcookie_cmd);

src/config.h

@@ -21,6 +21,8 @@ struct lang
 	char* capslock;
 	char* numlock;
 
+	char* wayland;
+
 	// errors
 	char* err_pam_buf;
 	char* err_pam_sys;
@@ -65,6 +67,10 @@ struct config
 	char* service_name;
 	char* x_cmd;
 	char* x_cmd_setup;
+
+	char* wayland_sessions;
+	char* wayland_cmd;
+
 	char* mcookie_cmd;
 	char* xauthority;
 	char* path;

src/desktop.c

@@ -12,18 +12,14 @@
 char *value_name = NULL;
 char *value_exec = NULL;
 
-int desktop_handler(void* user, const char* section, const char* name, const char* value)
+int desktop_handler(void *user, const char *section, const char *name, const char *value) {
-{
     (void) (user);
 
-	if (strcmp(section, "Desktop Entry") == 0)
+    if (strcmp(section, "Desktop Entry") == 0) {
-	{
+        if ((strcmp(name, "Name") == 0) && (value_name == NULL)) {
-		if ((strcmp(name, "Name") == 0) && (value_name == NULL))
-		{
             value_name = strdup(value);
         }
-		if ((strcmp(name, "Exec") == 0) && (value_exec == NULL))
+        if ((strcmp(name, "Exec") == 0) && (value_exec == NULL)) {
-		{
             value_exec = strdup(value);
         }
     }
@@ -31,8 +27,7 @@ int desktop_handler(void* user, const char* section, const char* name, const cha
     return 1;
 }
 
-enum err desktop_load(struct desktop* target)
+enum err desktop_load_wayland_sessions(struct desktop *target) {
-{
     DIR *dir;
     struct dirent *dir_info;
 
@@ -45,27 +40,75 @@ enum err desktop_load(struct desktop* target)
 #endif
 
     // checks dir existence
-	if (access(config.xsessions, F_OK) == -1)
+    if (access(config.wayland_sessions, F_OK) == -1) {
-	{
         return XSESSIONS_MISSING;
     }
 
     // requests read access
-	dir = opendir(config.xsessions);
+    dir = opendir(config.wayland_sessions);
 
-	if (dir == NULL)
+    if (dir == NULL) {
-	{
         return XSESSIONS_READ;
     }
 
     // reads the content
     dir_info = readdir(dir);
 
-	while (dir_info != NULL)
+    while (dir_info != NULL) {
-	{
         // skips the files starting with "."
-		if ((dir_info->d_name)[0] == '.')
+        if ((dir_info->d_name)[0] == '.') {
-		{
+            dir_info = readdir(dir);
+            continue;
+        }
+
+        snprintf(path, (sizeof(path)) - 1, "%s/", config.wayland_sessions);
+        strncat(path, dir_info->d_name, (sizeof(path)) - 1);
+        ini_parse(path, desktop_handler, NULL);
+
+        if ((value_name != NULL) && (value_exec != NULL)) {
+            widget_desktop_add(target, value_name, value_exec, DS_WAYLAND);
+            value_name = NULL;
+            value_exec = NULL;
+        }
+
+        dir_info = readdir(dir);
+    }
+
+    closedir(dir);
+
+    return OK;
+}
+
+enum err desktop_load_xorg_sessions(struct desktop *target) {
+    DIR *dir;
+    struct dirent *dir_info;
+
+#if defined(NAME_MAX)
+    char path[NAME_MAX];
+#elif defined(_POSIX_PATH_MAX)
+    char path[_POSIX_PATH_MAX];
+#else
+    char path[1024];
+#endif
+
+    // checks dir existence
+    if (access(config.xsessions, F_OK) == -1) {
+        return XSESSIONS_MISSING;
+    }
+
+    // requests read access
+    dir = opendir(config.xsessions);
+
+    if (dir == NULL) {
+        return XSESSIONS_READ;
+    }
+
+    // reads the content
+    dir_info = readdir(dir);
+
+    while (dir_info != NULL) {
+        // skips the files starting with "."
+        if ((dir_info->d_name)[0] == '.') {
             dir_info = readdir(dir);
             continue;
         }
@@ -74,8 +117,7 @@ enum err desktop_load(struct desktop* target)
         strncat(path, dir_info->d_name, (sizeof(path)) - 1);
         ini_parse(path, desktop_handler, NULL);
 
-		if ((value_name != NULL) && (value_exec != NULL))
+        if ((value_name != NULL) && (value_exec != NULL)) {
-		{
             widget_desktop_add(target, value_name, value_exec, DS_XORG);
             value_name = NULL;
             value_exec = NULL;
@@ -88,3 +130,9 @@ enum err desktop_load(struct desktop* target)
 
     return OK;
 }
+
+enum err desktop_load(struct desktop* target){
+    int xload = desktop_load_xorg_sessions(target);
+    int wload = desktop_load_wayland_sessions(target);
+    return xload != OK ? xload : wload != OK ? wload : OK;
+}

src/login.c

@@ -178,7 +178,7 @@ void launch_wayland(struct passwd* pwd, pam_handle_t* pam_handle,
 	const char* de_command)
 {
 	char cmd[32];
-	snprintf(cmd, 32, "exec %s", de_command);
+	snprintf(cmd, 32, "exec %s %s", config.wayland_cmd, de_command);
 	reset_terminal(pwd);
 	execl(pwd->pw_shell, pwd->pw_shell, "-l", "-c", cmd, NULL);
 	exit(EXIT_SUCCESS);

src/widgets.c

@@ -18,6 +18,7 @@ enum err widget_desktop(struct desktop* target)
 
 	error |= widget_desktop_add(target, strdup(lang.shell), strdup(""), DS_SHELL);
 	error |= widget_desktop_add(target, strdup(lang.xinitrc), strdup(""), DS_XINITRC);
+	error |= widget_desktop_add(target, strdup(lang.wayland), strdup(""), DS_WAYLAND);
 
 	return error;
 }

wsetup.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+# wayland-session - run as user
+# Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
+# This file is extracted from kde-workspace (kdm/kfrontend/genkdmconf.c)
+# Copyright (C) 2001-2005 Oswald Buddenhagen <ossi@kde.org>
+session=$1
+# Note that the respective logout scripts are not sourced.
+case $SHELL in
+  */bash)
+    [ -z "$BASH" ] && exec $SHELL $0 "$@"
+    set +o posix
+    [ -f /etc/profile ] && . /etc/profile
+    if [ -f $HOME/.bash_profile ]; then
+      . $HOME/.bash_profile
+    elif [ -f $HOME/.bash_login ]; then
+      . $HOME/.bash_login
+    elif [ -f $HOME/.profile ]; then
+      . $HOME/.profile
+    fi
+    ;;
+*/zsh)
+    [ -z "$ZSH_NAME" ] && exec $SHELL $0 "$@"
+    [ -d /etc/zsh ] && zdir=/etc/zsh || zdir=/etc
+    zhome=${ZDOTDIR:-$HOME}
+    # zshenv is always sourced automatically.
+    [ -f $zdir/zprofile ] && . $zdir/zprofile
+    [ -f $zhome/.zprofile ] && . $zhome/.zprofile
+    [ -f $zdir/zlogin ] && . $zdir/zlogin
+    [ -f $zhome/.zlogin ] && . $zhome/.zlogin
+    emulate -R sh
+    ;;
+  */csh|*/tcsh)
+    # [t]cshrc is always sourced automatically.
+    # Note that sourcing csh.login after .cshrc is non-standard.
+    wlsess_tmp=${mktemp /tmp/wlsess-env-XXXXXX}
+    $SHELL -c "if (-f /etc/csh.login) source /etc/csh.login; if (-f ~/.login) source ~/.login; /bin/sh -c 'export -p' >! $wlsess_tmp"
+    . $wlsess_tmp
+    rm -f $wlsess_tmp
+    ;;
+  *) # Plain sh, ksh, and anything we do not know.
+    [ -f /etc/profile ] && . /etc/profile
+    [ -f $HOME/.profile ] && . $HOME/.profile
+    ;;
+esac
+eval exec "$session"