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/* libguestfs - guestfish and guestmount shared option parsing
* Copyright (C) 2010-2012 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef OPTIONS_H
#define OPTIONS_H
#ifndef _
#define _(str) dgettext(PACKAGE, (str))
#endif
#ifndef N_
#define N_(str) dgettext(PACKAGE, (str))
#endif
#ifndef STREQ
#define STREQ(a,b) (strcmp((a),(b)) == 0)
#endif
#ifndef STRCASEEQ
#define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
#endif
#ifndef STRNEQ
#define STRNEQ(a,b) (strcmp((a),(b)) != 0)
#endif
#ifndef STRCASENEQ
#define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
#endif
#ifndef STREQLEN
#define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
#endif
#ifndef STRCASEEQLEN
#define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
#endif
#ifndef STRNEQLEN
#define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
#endif
#ifndef STRCASENEQLEN
#define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
#endif
#ifndef STRPREFIX
#define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
#endif
/* Provided by guestfish or guestmount. */
extern guestfs_h *g;
extern int read_only;
extern int live;
extern int verbose;
extern int inspector;
extern int keys_from_stdin;
extern int echo_keys;
extern const char *libvirt_uri;
extern const char *program_name;
/* List of drives added via -a, -d or -N options. NB: Unused fields
* in this struct MUST be zeroed, ie. use calloc, not malloc.
*/
struct drv {
struct drv *next;
char *device; /* Device name inside the appliance (eg. /dev/sda).
* This is filled in when we add the drives in
* add_drives. Note that guests (-d option) may
* have multiple drives, in which case this is the
* first drive, and nr_drives is the number of
* drives used.
*/
int nr_drives; /* number of drives for this guest */
enum { drv_a, drv_d, drv_N } type;
union {
struct {
char *filename; /* disk filename */
const char *format; /* format (NULL == autodetect) */
} a;
struct {
char *guest; /* guest name */
} d;
struct {
char *filename; /* disk filename (testX.img) */
void *data; /* prepared type */
void (*data_free)(void*); /* function to free 'data' */
} N;
};
/* Opaque pointer. Not used by the options-parsing code, and so
* available for the program to use for any purpose.
*/
void *opaque;
};
struct mp {
struct mp *next;
char *device;
char *mountpoint;
char *options;
};
/* in config.c */
extern void parse_config (void);
/* in inspect.c */
extern void inspect_mount (void);
extern void print_inspect_prompt (void);
/* (low-level inspection functions, used by virt-inspector only) */
extern void inspect_do_decrypt (void);
extern void inspect_mount_root (const char *root);
/* in key.c */
extern char *read_key (const char *param);
/* in options.c */
extern char add_drives (struct drv *drv, char next_drive);
extern void mount_mps (struct mp *mp);
extern void free_drives (struct drv *drv);
extern void free_mps (struct mp *mp);
/* in virt.c */
extern int add_libvirt_drives (const char *guest);
#define OPTION_a \
if (access (optarg, R_OK) != 0) { \
perror (optarg); \
exit (EXIT_FAILURE); \
} \
drv = calloc (1, sizeof (struct drv)); \
if (!drv) { \
perror ("malloc"); \
exit (EXIT_FAILURE); \
} \
drv->type = drv_a; \
drv->nr_drives = -1; \
drv->a.filename = optarg; \
drv->a.format = format; \
drv->next = drvs; \
drvs = drv
#define OPTION_c \
libvirt_uri = optarg
#define OPTION_d \
drv = calloc (1, sizeof (struct drv)); \
if (!drv) { \
perror ("malloc"); \
exit (EXIT_FAILURE); \
} \
drv->type = drv_d; \
drv->nr_drives = -1; \
drv->d.guest = optarg; \
drv->next = drvs; \
drvs = drv
#define OPTION_i \
inspector = 1
#define OPTION_m \
mp = malloc (sizeof (struct mp)); \
if (!mp) { \
perror ("malloc"); \
exit (EXIT_FAILURE); \
} \
mp->options = NULL; \
mp->mountpoint = bad_cast ("/"); \
p = strchr (optarg, ':'); \
if (p) { \
*p = '\0'; \
p++; \
mp->mountpoint = p; \
p = strchr (p, ':'); \
if (p) { \
*p = '\0'; \
p++; \
mp->options = p; \
} \
} \
mp->device = optarg; \
mp->next = mps; \
mps = mp
#define OPTION_n \
guestfs_set_autosync (g, 0)
#define OPTION_r \
read_only = 1
#define OPTION_v \
verbose++; \
guestfs_set_verbose (g, verbose)
#define OPTION_V \
{ \
struct guestfs_version *v = guestfs_version (g); \
printf ("%s %"PRIi64".%"PRIi64".%"PRIi64"%s\n", \
program_name, \
v->major, v->minor, v->release, v->extra); \
exit (EXIT_SUCCESS); \
}
#define OPTION_w \
if (read_only) { \
fprintf (stderr, _("%s: cannot mix --ro and --rw options\n"), \
program_name); \
exit (EXIT_FAILURE); \
}
#define OPTION_x \
guestfs_set_trace (g, 1)
#endif /* OPTIONS_H */
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