/* libguestfs - the guestfsd daemon
- * Copyright (C) 2009 Red Hat Inc.
+ * 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
#include "daemon.h"
#include "actions.h"
+static const char *
+program_of_csum (const char *csumtype)
+{
+ if (STRCASEEQ (csumtype, "crc"))
+ return "cksum";
+ else if (STRCASEEQ (csumtype, "md5"))
+ return "md5sum";
+ else if (STRCASEEQ (csumtype, "sha1"))
+ return "sha1sum";
+ else if (STRCASEEQ (csumtype, "sha224"))
+ return "sha224sum";
+ else if (STRCASEEQ (csumtype, "sha256"))
+ return "sha256sum";
+ else if (STRCASEEQ (csumtype, "sha384"))
+ return "sha384sum";
+ else if (STRCASEEQ (csumtype, "sha512"))
+ return "sha512sum";
+ else {
+ reply_with_error ("unknown checksum type, expecting crc|md5|sha1|sha224|sha256|sha384|sha512");
+ return NULL;
+ }
+}
+
char *
do_checksum (const char *csumtype, const char *path)
{
const char *program;
char *buf;
char *out, *err;
- int r, len;
-
- NEED_ROOT (NULL);
- ABS_PATH (path, NULL);
+ int r;
+ int len;
- if (strcasecmp (csumtype, "crc") == 0)
- program = "cksum";
- else if (strcasecmp (csumtype, "md5") == 0)
- program = "md5sum";
- else if (strcasecmp (csumtype, "sha1") == 0)
- program = "sha1sum";
- else if (strcasecmp (csumtype, "sha224") == 0)
- program = "sha224sum";
- else if (strcasecmp (csumtype, "sha256") == 0)
- program = "sha256sum";
- else if (strcasecmp (csumtype, "sha384") == 0)
- program = "sha384sum";
- else if (strcasecmp (csumtype, "sha512") == 0)
- program = "sha512sum";
- else {
- reply_with_error ("unknown checksum type, expecting crc|md5|sha1|sha224|sha256|sha384|sha512");
+ program = program_of_csum (csumtype);
+ if (program == NULL)
return NULL;
- }
/* Make the path relative to /sysroot. */
- len = strlen (path) + 9;
- buf = malloc (len);
+ buf = sysroot_path (path);
if (!buf) {
reply_with_perror ("malloc");
return NULL;
}
- snprintf (buf, len, "/sysroot%s", path);
r = command (&out, &err, program, buf, NULL);
free (buf);