/* allocate a name for the given node (by traversing up to the root and
* prepending the name for the parent node) and return it
* you must free the returned pointer
*/
char *treenode_name(TreeNode *t) {
if(!t->parent)
return strdup("/");
char *path = strallocat("/", t->name, (t->dir ? "/" : ""), NULL);
t = t->parent;
/* repeatedly prepend the parent's name */
while(t->parent) {
char *newpath = strallocat("/", t->name, path, NULL);
free(path);
path = newpath;
t = t->parent;
}
return path;
}
/*
* strkey0
*/
char *
strkey0(const char *s)
{
return (strallocat(s, "0"));
}
/*
* strmac
*/
char *
strmac(const char *s)
{
return (strallocat(s, ".mac"));
}
/*
* main
*/
int
main(int argc, char **argv)
{
int ch;
int argcnt;
int mac;
/* integrity check mode, stdin */
actionf = CHECK | ST_IN;
/* default values */
logfile = default_logfile;
keyfile = default_keyfile;
key0file = NULL;
mac = 0;
macfile = NULL;
method = SHA1;
argcnt = 1; /* skip program name */
while ((ch = getxopt(argc, argv, "f!logfile: g!generatekey"
" i!initkeyfile: k!keyfile: l!mac m!method: q!quiet h!help",
&argcnt)) != -1) {
switch (ch) {
case 'f':
/* log file (intrusion detection mode) */
if (logfile != default_logfile)
free(logfile);
if ((logfile = strrealpath(argv[argcnt]))
== NULL) {
release();
perror(argv[argcnt]);
exit(-1);
}
actionf &= ~ST_IN;
break;
case 'g':
/* generate new keyfile and initial key */
actionf &= ~CHECK;
break;
case 'i':
/* key 0 file */
if (key0file)
free(key0file);
if ((key0file = strdup(argv[argcnt]))
== NULL) {
release();
perror(argv[argcnt]);
exit(-1);
}
break;
case 'k':
/* keyfile */
if (keyfile != default_keyfile)
free(keyfile);
if ((keyfile = strdup(argv[argcnt])) == NULL) {
release();
perror(argv[argcnt]);
exit(-1);
}
break;
case 'l':
mac = 1;
break;
case 'm':
/* hash method */
if ( (method = gethash(argv[argcnt])) < 0) {
release();
usage();
}
break;
case 'q':
/* quiet mode */
actionf |= QUIET;
break;
case 'h':
default:
release();
usage();
}
argcnt++;
}
/* check logfile specified without -f switch */
argc -= argc;
argv += argc;
if (argc && (actionf & ST_IN))
if ( (logfile = strrealpath(argv[argc-1])) == NULL) {
release();
perror(argv[argc-1]);
exit(-1);
}
/* if keyfile was not specified converted logfile is used instead */
if (keyfile == default_keyfile && logfile != default_logfile) {
char *tmp;
if ( (tmp = strallocat("/var/ssyslog/", logfile)) == NULL) {
release();
perror("buffer for keyfile");
exit(-1);
}
strdot(tmp+13);
if ( (keyfile = strallocat(tmp, ".key")) == NULL) {
free(tmp);
release();
perror("buffer for keyfile");
exit(-1);
}
free(tmp);
}
/* if key0file was not specified create one */
if (key0file == NULL)
if ( (key0file = strkey0(keyfile)) == NULL) {
release();
perror("creating key0 file");
exit(-1);
}
/* create macfile */
if (mac)
if ( (macfile = strmac(keyfile)) == NULL) {
release();
perror("creating mac file");
exit(-1);
}
/* execute action */
if (actionf & CHECK)
check();
else
generate();
release();
return (0);
}
