vm/file-editor: load session environment (#620)
Especially set DBUS socket to allow interprocess communication instead of spawning new instances or timeouts.
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				@ -58,6 +58,8 @@ main()
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	struct stat stat_pre, stat_post, session_stat;
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	char *filename = get_filename();
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	int child, status, log_fd;
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	char var[1024], val[4096];
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	FILE *env_file;
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	FILE *waiter_pidfile;
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	copy_file(filename);
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@ -99,6 +101,13 @@ main()
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			exit(1);
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		case 0:
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			close(0);
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			env_file = fopen("/tmp/qubes-session-env", "r");
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			while(fscanf(env_file, "%1024[^=]=%4096[^\n]\n", var, val) == 2) {
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				setenv(var, val, 1);
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			}
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			fclose(env_file);
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			log_fd = open("/tmp/mimeopen.log", O_CREAT | O_APPEND, 0666);
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			if (log_fd == -1) {
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				perror("open /tmp/mimeopen.log");
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