+static void NONRETURNING serv_checkstdoutexit(void) {
+ if (ferror(stdout) || fclose(stdout)) serv_syscallfail("write stdout");
+ _exit(0);
+}
+
+void bisexec_environment(const char *const *argv) {
+ execlp("env","env",(char*)0);
+ serv_syscallfail("execute `env'");
+}
+
+void bisexec_parameter(const char *const *argv) {
+ always_dumpparameter(execargs[0],execargs+1);
+ serv_checkstdoutexit();
+}
+
+void bisexec_help(const char *const *argv) {
+ const char *const *pp;
+
+ fputs("recognised builtin services:\n",stdout);
+ for (pp= builtinservicehelpstrings; *pp; pp++) printf(" %s\n",*pp);
+ serv_checkstdoutexit();
+}
+
+void bisexec_version(const char *const *argv) {
+ const unsigned char *p;
+ int i;
+
+ printf("uservd version " VERSION VEREXT "; copyright (C)1996-2000 Ian Jackson.\n"
+#ifdef DEBUG
+ "DEBUGGING VERSION"
+#else
+ "production version"
+#endif
+ " - protocol magic number %08lx\n"
+ "maximums: fd %-10d general string %d\n"
+ " gids %-10d override length %d\n"
+ " args or variables %-10d error message %d\n"
+ " nested inclusion %-10d errno string reserve %d\n"
+ "protocol checksum: ",
+ BASE_MAGIC,
+ MAX_ALLOW_FD, MAX_GENERAL_STRING,
+ MAX_GIDS, MAX_OVERRIDE_LEN,
+ MAX_ARGSDEFVAR, MAX_ERRMSG_LEN,
+ MAX_INCLUDE_NEST, ERRMSG_RESERVE_ERRNO);
+ for (i=0, p=protocolchecksumversion; i<sizeof(protocolchecksumversion); i++, p++)
+ printf("%02x",*p);
+ printf("\n"
+ "rendezvous socket: `" RENDEZVOUSPATH "'\n"
+ "system config dir: `" SYSTEMCONFIGDIR "'\n"
+ "pipe filename format: `%s' (max length %d)\n",
+ PIPEFORMAT, PIPEMAXLEN);
+ serv_checkstdoutexit();
+}
+
+static void NONRETURNING dumpconfig(const char *string) {
+ int nspaces, c, lnl;
+
+ nspaces= 0;
+ lnl= 1;
+ while ((c= *string++)) {
+ switch (c) {
+ case ' ': nspaces++; break;
+ case '\n':
+ if (!lnl) putchar('\n');
+ nspaces= 0; lnl= 1;
+ break;
+ default:
+ while (nspaces>0) { putchar(' '); nspaces--; }
+ putchar(c);
+ lnl= 0;
+ break;
+ }
+ }
+ assert(lnl);
+ serv_checkstdoutexit();
+}
+
+void bisexec_toplevel(const char *const *argv) {
+ dumpconfig(TOPLEVEL_CONFIGURATION);
+}
+
+void bisexec_override(const char *const *argv) {
+ dumpconfig(TOPLEVEL_OVERRIDDEN_CONFIGURATION);
+}
+
+void bisexec_reset(const char *const *argv) {
+ dumpconfig(RESET_CONFIGURATION);
+}
+
+void bisexec_execute(const char *const *argv) {
+ always_dumpexecsettings();
+ serv_checkstdoutexit();
+}
+
+void bisexec_shutdown(const char *const *argv) {
+ /* This is only reached if the serviceuser_uid test in
+ * process.c:servicerequest() fails (we have to handle the
+ * shutdown request there, unfortunately).
+ */
+ fputs("uservd: builtin service shutdown: permission denied\n",stderr);
+ _exit(-1);
+}
+