2 * launcher.c -- functions for launching web browsers for browser-switchboard
4 * Copyright (C) 2009 Steven Luo
5 * Derived from a Python implementation by Jason Simpson and Steven Luo
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
27 #include <sys/types.h>
29 #include <dbus/dbus-glib.h>
31 #include "browser-switchboard.h"
33 #include "dbus-server-bindings.h"
35 #define LAUNCH_DEFAULT_BROWSER launch_microb
37 static void launch_tear(struct swb_context *ctx, char *uri) {
39 static DBusGProxy *tear_proxy = NULL;
46 printf("launch_tear with uri '%s'\n", uri);
48 /* We should be able to just call the D-Bus service to open Tear ...
49 but if Tear's not open, that cuases D-Bus to start Tear and then
50 pass it the OpenAddress call, which results in two browser windows.
51 Properly fixing this probably requires Tear to provide a D-Bus
52 method that opens an address in an existing window, but for now work
53 around by just invoking Tear with exec() if it's not running. */
54 status = system("pidof tear > /dev/null");
55 if (WIFEXITED(status) && !WEXITSTATUS(status)) {
57 tear_proxy = dbus_g_proxy_new_for_name(ctx->session_bus,
58 "com.nokia.tear", "/com/nokia/tear",
60 dbus_g_proxy_call(tear_proxy, "OpenAddress", &error,
61 G_TYPE_STRING, uri, G_TYPE_INVALID);
62 if (!ctx->continuous_mode)
65 if (ctx->continuous_mode) {
66 if ((pid = fork()) != 0) {
67 /* Parent process or error in fork() */
68 printf("child: %d\n", (int)pid);
74 execl("/usr/bin/tear", "/usr/bin/tear", uri, (char *)NULL);
78 void launch_microb(struct swb_context *ctx, char *uri) {
79 int kill_browserd = 0;
86 printf("launch_microb with uri '%s'\n", uri);
88 /* Launch browserd if it's not running */
89 status = system("pidof /usr/sbin/browserd > /dev/null");
90 if (WIFEXITED(status) && WEXITSTATUS(status)) {
92 system("/usr/sbin/browserd -d");
95 /* Release the osso_browser D-Bus name so that MicroB can take it */
96 dbus_release_osso_browser_name(ctx);
98 if ((pid = fork()) == -1) {
104 waitpid(pid, &status, 0);
107 /* exec maemo-invoker directly instead of relying on the
108 /usr/bin/browser symlink, since /usr/bin/browser may have
109 been replaced with a shell script calling us via D-Bus */
110 if (!strcmp(uri, "new_window")) {
111 execl("/usr/bin/maemo-invoker",
112 "browser", (char *)NULL);
114 execl("/usr/bin/maemo-invoker",
115 "browser", "--url", uri, (char *)NULL);
119 /* Kill off browserd if we started it */
121 system("kill `pidof /usr/sbin/browserd`");
123 if (!ctx || !ctx->continuous_mode)
126 dbus_request_osso_browser_name(ctx);
129 static void launch_other_browser(struct swb_context *ctx, char *uri) {
131 char *quoted_uri, *quote;
133 size_t cmdlen, urilen;
134 size_t quoted_uri_size;
137 if (!uri || !strcmp(uri, "new_window"))
140 printf("launch_other_browser with uri '%s'\n", uri);
142 if ((urilen = strlen(uri)) > 0) {
143 /* Quote the URI to prevent the shell from interpreting it */
144 /* urilen+3 = length of URI + 2x \' + \0 */
145 if (!(quoted_uri = calloc(urilen+3, sizeof(char))))
147 snprintf(quoted_uri, urilen+3, "'%s'", uri);
149 /* If there are any 's in the original URI, URL-escape them
150 (replace them with %27) */
151 quoted_uri_size = urilen + 3;
152 quote = quoted_uri + 1;
153 while ((quote = strchr(quote, '\'')) &&
154 (offset = quote-quoted_uri) < strlen(quoted_uri)-1) {
155 /* Check to make sure we don't shrink the memory area
156 as a result of integer overflow */
157 if (quoted_uri_size+2 <= quoted_uri_size)
160 /* Grow the memory area;
161 2 = strlen("%27")-strlen("'") */
162 if (!(quoted_uri = realloc(quoted_uri,
165 quoted_uri_size = quoted_uri_size + 2;
167 /* Recalculate the location of the ' character --
168 realloc() may have moved the string in memory */
169 quote = quoted_uri + offset;
171 /* Move the string after the ', including the \0,
173 memmove(quote+3, quote+1, strlen(quote));
174 memcpy(quote, "%27", 3);
177 urilen = strlen(quoted_uri);
181 cmdlen = strlen(ctx->other_browser_cmd);
183 /* cmdlen+urilen+1 is normally two bytes longer than we need (uri will
184 replace "%s"), but is needed in the case other_browser_cmd has no %s
186 if (!(command = calloc(cmdlen+urilen+1, sizeof(char))))
188 snprintf(command, cmdlen+urilen+1, ctx->other_browser_cmd, quoted_uri);
189 printf("command: '%s'\n", command);
191 if (ctx->continuous_mode) {
193 /* Parent process or error in fork() */
202 execl("/bin/sh", "/bin/sh", "-c", command, (char *)NULL);
205 /* Use launch_other_browser as the default browser launcher, with the string
206 passed in as the other_browser_cmd
207 Resulting other_browser_cmd is always safe to free(), even if a pointer
208 to a string constant is passed in */
209 static void use_other_browser_cmd(struct swb_context *ctx, char *cmd) {
210 size_t len = strlen(cmd);
212 free(ctx->other_browser_cmd);
213 ctx->other_browser_cmd = calloc(len+1, sizeof(char));
214 if (!ctx->other_browser_cmd) {
215 printf("malloc failed!\n");
216 ctx->default_browser_launcher = LAUNCH_DEFAULT_BROWSER;
218 ctx->other_browser_cmd = strncpy(ctx->other_browser_cmd,
220 ctx->default_browser_launcher = launch_other_browser;
224 void update_default_browser(struct swb_context *ctx, char *default_browser) {
228 if (!default_browser) {
229 /* No default_browser configured -- use built-in default */
230 ctx->default_browser_launcher = LAUNCH_DEFAULT_BROWSER;
234 if (!strcmp(default_browser, "tear"))
235 ctx->default_browser_launcher = launch_tear;
236 else if (!strcmp(default_browser, "microb"))
237 ctx->default_browser_launcher = launch_microb;
238 else if (!strcmp(default_browser, "fennec"))
239 /* Cheat and reuse launch_other_browser, since we don't appear
240 to need to do anything special */
241 use_other_browser_cmd(ctx, "fennec %s");
242 else if (!strcmp(default_browser, "midori"))
243 use_other_browser_cmd(ctx, "midori %s");
244 else if (!strcmp(default_browser, "other")) {
245 if (ctx->other_browser_cmd)
246 ctx->default_browser_launcher = launch_other_browser;
248 printf("default_browser is 'other', but no other_browser_cmd set -- using default\n");
249 ctx->default_browser_launcher = LAUNCH_DEFAULT_BROWSER;
252 printf("Unknown default_browser %s, using default", default_browser);
253 ctx->default_browser_launcher = LAUNCH_DEFAULT_BROWSER;
257 void launch_browser(struct swb_context *ctx, char *uri) {
258 if (ctx && ctx->default_browser_launcher)
259 ctx->default_browser_launcher(ctx, uri);