1 /* libguestfs - the guestfsd daemon
2 * Copyright (C) 2009 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "../src/guestfs_protocol.h"
31 do_checksum (char *csumtype, char *path)
40 ABS_PATH (path, NULL);
42 if (strcasecmp (csumtype, "crc") == 0)
44 else if (strcasecmp (csumtype, "md5") == 0)
46 else if (strcasecmp (csumtype, "sha1") == 0)
48 else if (strcasecmp (csumtype, "sha224") == 0)
49 program = "sha224sum";
50 else if (strcasecmp (csumtype, "sha256") == 0)
51 program = "sha256sum";
52 else if (strcasecmp (csumtype, "sha384") == 0)
53 program = "sha384sum";
54 else if (strcasecmp (csumtype, "sha512") == 0)
55 program = "sha512sum";
57 reply_with_error ("unknown checksum type, expecting crc|md5|sha1|sha224|sha256|sha384|sha512");
61 /* Make the path relative to /sysroot. */
62 buf = sysroot_path (path);
64 reply_with_perror ("malloc");
68 r = command (&out, &err, program, buf, NULL);
71 reply_with_error ("%s: %s", program, err);
79 /* Split it at the first whitespace. */
80 len = strcspn (out, " \t\n");
83 return out; /* Caller frees. */