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Properly prepare the environment when launching child applications

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This commit is contained in:
Pierre Pronchery 2013-11-30 05:53:06 +01:00
parent ce7b48dd5d
commit 93dedffe5a
1 changed files with 40 additions and 2 deletions
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42
tools/simulator.c
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@ -51,6 +51,8 @@ static char const _license[] =
# define DATADIR PREFIX "/share"
#endif
extern char ** environ;
/* Simulator */
/* private */
@ -383,6 +385,8 @@ static void _run_on_choose_response(GtkWidget * widget, gint arg1,
static void _simulator_on_file_run(gpointer data)
{
char const display[] = "DISPLAY=";
char const display1[] = "DISPLAY=:1.0"; /* XXX may be wrong */
Simulator * simulator = data;
GtkWidget * dialog;
GtkWidget * vbox;
@ -393,7 +397,9 @@ static void _simulator_on_file_run(gpointer data)
char const * command;
int res;
char * argv[] = { "/bin/sh", "run", "-c", NULL, NULL };
char * envp[] = { "DISPLAY=:1.0", NULL };
char ** envp = NULL;
size_t i;
char ** p;
GSpawnFlags flags = G_SPAWN_FILE_AND_ARGV_ZERO | G_SPAWN_SEARCH_PATH;
GError * error = NULL;
@ -455,15 +461,47 @@ static void _simulator_on_file_run(gpointer data)
gtk_widget_destroy(dialog);
return;
}
/* prepare the arguments */
command = gtk_entry_get_text(GTK_ENTRY(entry));
if((argv[3] = strdup(command)) == NULL)
{
simulator_error(simulator, strerror(errno), 1);
else if(g_spawn_async(NULL, argv, envp, flags, NULL, NULL, NULL,
gtk_widget_destroy(dialog);
return;
}
/* prepare the environment */
for(i = 0; environ[i] != NULL; i++)
{
if((p = realloc(envp, sizeof(*p) * (i + 2))) == NULL)
break;
envp = p;
envp[i + 1] = NULL;
if(strncmp(environ[i], display, sizeof(display) - 1) == 0)
envp[i] = strdup(display1);
else
envp[i] = strdup(environ[i]);
if(envp[i] == NULL)
break;
}
if(environ[i] != NULL)
{
for(i = 0; envp[i] != NULL; i++)
free(envp[i]);
free(envp);
free(argv[3]);
simulator_error(simulator, strerror(errno), 1);
gtk_widget_destroy(dialog);
return;
}
if(g_spawn_async(NULL, argv, envp, flags, NULL, NULL, NULL,
&error) == FALSE)
{
simulator_error(simulator, error->message, 1);
g_error_free(error);
}
for(i = 0; envp[i] != NULL; i++)
free(envp[i]);
free(envp);
free(argv[3]);
gtk_widget_destroy(dialog);
}