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/* libguestfs
* Copyright (C) 2009-2010 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GUESTFS_INTERNAL_H_
#define GUESTFS_INTERNAL_H_
#define STREQ(a,b) (strcmp((a),(b)) == 0)
#define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
#define STRNEQ(a,b) (strcmp((a),(b)) != 0)
#define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
#define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
#define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
#define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
#ifdef HAVE_GETTEXT
#include "gettext.h"
#define _(str) dgettext(PACKAGE, (str))
#define N_(str) dgettext(PACKAGE, (str))
#else
#define _(str) str
#define N_(str) str
#endif
#ifdef __linux__
#define CAN_CHECK_PEER_EUID 1
#else
#define CAN_CHECK_PEER_EUID 0
#endif
#define UNIX_PATH_MAX 108
#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif
#ifdef __APPLE__
#define xdr_uint32_t xdr_u_int32_t
#endif
/* Network configuration of the appliance. Note these addresses are
* only meaningful within the context of the running appliance. QEMU
* translates network connections to these magic addresses into
* userspace calls on the host (eg. connect(2)). qemu-doc has a nice
* diagram which is also useful to refer to.
*
* NETWORK: The network.
*
* ROUTER: The address of the "host", ie. this library.
*
* [Note: If you change NETWORK and ROUTER then you also have to
* change the network configuration in appliance/init].
*
* GUESTFWD_ADDR, GUESTFWD_PORT: The guestfwd feature of qemu
* magically connects this pseudo-address to the guestfwd channel. In
* typical Linux configurations of libguestfs, guestfwd is not
* actually used any more.
*/
#define NETWORK "169.254.0.0/16"
#define ROUTER "169.254.2.2"
#define GUESTFWD_ADDR "169.254.2.4"
#define GUESTFWD_PORT "6666"
/* GuestFS handle and connection. */
enum state { CONFIG, LAUNCHING, READY, BUSY, NO_HANDLE };
struct guestfs_h
{
struct guestfs_h *next; /* Linked list of open handles. */
/* State: see the state machine diagram in the man page guestfs(3). */
enum state state;
int fd[2]; /* Stdin/stdout of qemu. */
int sock; /* Daemon communications socket. */
pid_t pid; /* Qemu PID. */
pid_t recoverypid; /* Recovery process PID. */
struct timeval launch_t; /* The time that we called guestfs_launch. */
char *tmpdir; /* Temporary directory containing socket. */
char *qemu_help, *qemu_version; /* Output of qemu -help, qemu -version. */
char **cmdline; /* Qemu command line. */
int cmdline_size;
int verbose;
int trace;
int autosync;
int direct;
int recovery_proc;
char *path; /* Path to kernel, initrd. */
char *qemu; /* Qemu binary. */
char *append; /* Append to kernel command line. */
int memsize; /* Size of RAM (megabytes). */
int selinux; /* selinux enabled? */
char *last_error;
/* Callbacks. */
guestfs_abort_cb abort_cb;
guestfs_error_handler_cb error_cb;
void * error_cb_data;
guestfs_log_message_cb log_message_cb;
void * log_message_cb_data;
guestfs_subprocess_quit_cb subprocess_quit_cb;
void * subprocess_quit_cb_data;
guestfs_launch_done_cb launch_done_cb;
void * launch_done_cb_data;
guestfs_close_cb close_cb;
void * close_cb_data;
int msg_next_serial;
/* Information gathered by inspect_os. Must be freed by calling
* guestfs___free_inspect_info.
*/
struct inspect_fs *fses;
size_t nr_fses;
};
/* Per-filesystem data stored for inspect_os. */
enum inspect_fs_content {
FS_CONTENT_UNKNOWN = 0,
FS_CONTENT_LINUX_ROOT,
FS_CONTENT_WINDOWS_ROOT,
FS_CONTENT_LINUX_BOOT,
FS_CONTENT_LINUX_USR,
FS_CONTENT_LINUX_USR_LOCAL,
FS_CONTENT_LINUX_VAR,
};
enum inspect_os_type {
OS_TYPE_UNKNOWN = 0,
OS_TYPE_LINUX,
OS_TYPE_WINDOWS,
};
enum inspect_os_distro {
OS_DISTRO_UNKNOWN = 0,
OS_DISTRO_DEBIAN,
OS_DISTRO_FEDORA,
OS_DISTRO_REDHAT_BASED,
OS_DISTRO_RHEL,
OS_DISTRO_WINDOWS,
};
struct inspect_fs {
int is_root;
char *device;
int is_mountable;
int is_swap;
enum inspect_fs_content content;
enum inspect_os_type type;
enum inspect_os_distro distro;
char *product_name;
int major_version;
int minor_version;
char *arch;
struct inspect_fstab_entry *fstab;
size_t nr_fstab;
};
struct inspect_fstab_entry {
char *device;
char *mountpoint;
};
struct guestfs_message_header;
struct guestfs_message_error;
extern void guestfs_error (guestfs_h *g, const char *fs, ...)
__attribute__((format (printf,2,3)));
extern void guestfs_perrorf (guestfs_h *g, const char *fs, ...)
__attribute__((format (printf,2,3)));
extern void *guestfs_safe_realloc (guestfs_h *g, void *ptr, int nbytes);
extern char *guestfs_safe_strdup (guestfs_h *g, const char *str);
extern char *guestfs_safe_strndup (guestfs_h *g, const char *str, size_t n);
extern void *guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size);
extern void guestfs___print_timestamped_message (guestfs_h *g, const char *fs, ...);
extern const char *guestfs___tmpdir (void);
extern void guestfs___free_inspect_info (guestfs_h *g);
extern int guestfs___set_busy (guestfs_h *g);
extern int guestfs___end_busy (guestfs_h *g);
extern int guestfs___send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args);
extern int guestfs___recv (guestfs_h *g, const char *fn, struct guestfs_message_header *hdr, struct guestfs_message_error *err, xdrproc_t xdrp, char *ret);
extern int guestfs___send_file (guestfs_h *g, const char *filename);
extern int guestfs___recv_file (guestfs_h *g, const char *filename);
extern int guestfs___send_to_daemon (guestfs_h *g, const void *v_buf, size_t n);
extern int guestfs___recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn);
extern int guestfs___accept_from_daemon (guestfs_h *g);
#define error guestfs_error
#define perrorf guestfs_perrorf
#define safe_malloc guestfs_safe_malloc
#define safe_realloc guestfs_safe_realloc
#define safe_strdup guestfs_safe_strdup
#define safe_strndup guestfs_safe_strndup
#define safe_memdup guestfs_safe_memdup
#endif /* GUESTFS_INTERNAL_H_ */
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