[Libguestfs] [PATCH] guestfs_modprobe: explicitly load a kernel module in the appliance

--- daemon/Makefile.am | 1 + daemon/modprobe.c | 43 +++++++++++++++++++++++++++++++++++++++++++ po/POTFILES.in | 1 + src/MAX_PROC_NR | 2 +- src/generator.ml | 7 +++++++ 5 files changed, 53 insertions(+), 1 deletions(-) create mode 100644 daemon/modprobe.c diff --git a/daemon/Makefile.am b/daemon/Makefile.am index 097d89d..83ee408 100644 --- a/daemon/Makefile.am +++ b/daemon/Makefile.am @@ -54,6 +54,7 @@ guestfsd_SOURCES = \ lvm.c \ mkfs.c \ mknod.c \ + modprobe.c \ mount.c \ names.c \ ntfs.c \ diff --git a/daemon/modprobe.c b/daemon/modprobe.c new file mode 100644 index 0000000..8f92eca --- /dev/null +++ b/daemon/modprobe.c @@ -0,0 +1,43 @@ +/* libguestfs - the guestfsd daemon + * Copyright (C) 2009 Red Hat Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "daemon.h" + +int +do_modprobe (const char *module) +{ + const char *argv[] = { + "/sbin/modprobe", + NULL, + NULL + }; + + argv[1] = module; + + char *out, *err; + int r = commandv (&out, &err, (char **) argv); + + if (r == -1) { + reply_with_error ("%s", err); + } + + free (out); + free (err); + + return r; +} diff --git a/po/POTFILES.in b/po/POTFILES.in index 33bf6e6..19eef99 100644 --- a/po/POTFILES.in +++ b/po/POTFILES.in @@ -30,6 +30,7 @@ daemon/ls.c daemon/lvm.c daemon/mkfs.c daemon/mknod.c +daemon/modprobe.c daemon/mount.c daemon/names.c daemon/ntfs.c diff --git a/src/MAX_PROC_NR b/src/MAX_PROC_NR index 2455a46..205a12b 100644 --- a/src/MAX_PROC_NR +++ b/src/MAX_PROC_NR @@ -1 +1 @@ -193 +194 diff --git a/src/generator.ml b/src/generator.ml index cc97dd5..41a78fe 100755 --- a/src/generator.ml +++ b/src/generator.ml @@ -3560,6 +3560,13 @@ an external journal on the journal with UUID C<uuid>. See also C<guestfs_mke2journal_U>."); + ("modprobe", (RErr, [String "module"]), 194, [], + [InitNone, Always, TestRun [["modprobe"; "ext2"]]], + "load a kernel module", + "\ +This loads a kernel module in the appliance. The kernel module must be available +in the appliance."); + ] let all_functions = non_daemon_functions @ daemon_functions -- 1.6.2.5