mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-22 07:03:38 +00:00
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/* 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 <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "daemon.h"
|
|
#include "actions.h"
|
|
|
|
char **
|
|
do_strings_e (const char *encoding, const char *path)
|
|
{
|
|
int len;
|
|
char *buf;
|
|
int r;
|
|
char *out, *err;
|
|
char **lines = NULL;
|
|
int size = 0, alloc = 0;
|
|
char *p, *pend;
|
|
|
|
NEED_ROOT (NULL);
|
|
ABS_PATH (path, NULL);
|
|
|
|
len = strlen (path) + 9;
|
|
buf = malloc (len);
|
|
if (!buf) {
|
|
reply_with_perror ("malloc");
|
|
return NULL;
|
|
}
|
|
|
|
snprintf (buf, len, "/sysroot%s", path);
|
|
|
|
r = command (&out, &err, "strings", "-e", encoding, buf, NULL);
|
|
free (buf);
|
|
if (r == -1) {
|
|
reply_with_error ("strings: %s: %s", path, err);
|
|
free (err);
|
|
free (out);
|
|
return NULL;
|
|
}
|
|
|
|
free (err);
|
|
|
|
/* Now convert the output to a list of lines. */
|
|
p = out;
|
|
while (p && *p) {
|
|
pend = strchr (p, '\n');
|
|
if (pend) {
|
|
*pend = '\0';
|
|
pend++;
|
|
}
|
|
|
|
if (add_string (&lines, &size, &alloc, p) == -1) {
|
|
free (out);
|
|
return NULL;
|
|
}
|
|
|
|
p = pend;
|
|
}
|
|
|
|
free (out);
|
|
|
|
if (add_string (&lines, &size, &alloc, NULL) == -1)
|
|
return NULL;
|
|
|
|
return lines; /* Caller frees. */
|
|
}
|
|
|
|
char **
|
|
do_strings (const char *path)
|
|
{
|
|
return do_strings_e ("s", path);
|
|
}
|