/*
* merge filename [filename ...]
*/
static int
do_merge(char *inputfilename, int lineno, int argc, char **argv)
{
int i;
int errors = 0;
AuthList *head, *tail, *listhead, *listtail;
int nentries, nnew, nrepl;
Bool numeric = False;
if (argc < 2) {
prefix (inputfilename, lineno);
badcommandline (argv[0]);
return 1;
}
if (argv[0][0] == 'n') numeric = True;
listhead = listtail = NULL;
for (i = 1; i < argc; i++) {
char *filename = argv[i];
FILE *fp;
Bool used_stdin = False;
fp = open_file (&filename,
numeric ? "r" : "rb",
&used_stdin, inputfilename, lineno,
argv[0]);
if (!fp) {
errors++;
continue;
}
head = tail = NULL;
nentries = read_auth_entries (fp, numeric, &head, &tail);
if (nentries == 0) {
prefix (inputfilename, lineno);
fprintf (stderr, "unable to read any entries from file \"%s\"\n",
filename);
errors++;
} else { /* link it in */
add_to_list (listhead, listtail, head);
}
if (!used_stdin) (void) fclose (fp);
}
/*
* if we have new entries, merge them in (freeing any duplicates)
*/
if (listhead) {
nentries = merge_entries (&xauth_head, listhead, &nnew, &nrepl);
if (verbose)
printf ("%d entries read in: %d new, %d replacement%s\n",
nentries, nnew, nrepl, nrepl != 1 ? "s" : "");
if (nentries > 0) xauth_modified = True;
}
return 0;
}
Tt_status _Tt_auth::
read_auth_file(char *filename)
{
static const char *funcname = "Tt_auth::read_auth_file()";
FILE *authfp;
Tt_status status = TT_OK;
if (0 == (authfp = fopen (filename, "rb"))) {
_tt_syslog(0, LOG_ERR,
"%s: unable to read auth entries from file \"%s\"\n",
funcname, filename);
return TT_AUTHFILE_ACCESS;
}
status = read_auth_entries(authfp, &_entries_head);
if (TT_OK != status)
_tt_syslog(0, LOG_ERR,
"%s: unable to read auth entries from file \"%s\"\n",
funcname, filename);
(void) fclose (authfp);
return status;
}
int
auth_initialize(char *authfilename)
{
int n;
AuthList *head, *tail;
FILE *authfp;
Bool exists;
xauth_filename = authfilename; /* used in cleanup, prevent race with
signals */
register_signals ();
bzero ((char *) hexvalues, sizeof hexvalues);
hexvalues['0'] = 0;
hexvalues['1'] = 1;
hexvalues['2'] = 2;
hexvalues['3'] = 3;
hexvalues['4'] = 4;
hexvalues['5'] = 5;
hexvalues['6'] = 6;
hexvalues['7'] = 7;
hexvalues['8'] = 8;
hexvalues['9'] = 9;
hexvalues['a'] = hexvalues['A'] = 0xa;
hexvalues['b'] = hexvalues['B'] = 0xb;
hexvalues['c'] = hexvalues['C'] = 0xc;
hexvalues['d'] = hexvalues['D'] = 0xd;
hexvalues['e'] = hexvalues['E'] = 0xe;
hexvalues['f'] = hexvalues['F'] = 0xf;
if (break_locks && verbose) {
printf ("Attempting to break locks on authority file %s\n",
authfilename);
}
if (ignore_locks) {
if (break_locks) XauUnlockAuth (authfilename);
} else {
n = XauLockAuth (authfilename, XAUTH_DEFAULT_RETRIES,
XAUTH_DEFAULT_TIMEOUT,
(break_locks ? 0L : XAUTH_DEFAULT_DEADTIME));
if (n != LOCK_SUCCESS) {
char *reason = "unknown error";
switch (n) {
case LOCK_ERROR:
reason = "error";
break;
case LOCK_TIMEOUT:
reason = "timeout";
break;
}
fprintf (stderr, "%s: %s in locking authority file %s\n",
ProgramName, reason, authfilename);
return -1;
} else
xauth_locked = True;
}
/* these checks can only be done reliably after the file is locked */
exists = (access (authfilename, F_OK) == 0);
if (exists && access (authfilename, W_OK) != 0) {
fprintf (stderr,
"%s: %s not writable, changes will be ignored\n",
ProgramName, authfilename);
xauth_allowed = False;
}
original_umask = umask (0077); /* disallow non-owner access */
authfp = fopen (authfilename, "rb");
if (!authfp) {
int olderrno = errno;
/* if file there then error */
if (access (authfilename, F_OK) == 0) { /* then file does exist! */
errno = olderrno;
return -1;
} /* else ignore it */
fprintf (stderr,
"%s: creating new authority file %s\n",
ProgramName, authfilename);
} else {
xauth_existed = True;
n = read_auth_entries (authfp, False, &head, &tail);
(void) fclose (authfp);
if (n < 0) {
fprintf (stderr,
"%s: unable to read auth entries from file \"%s\"\n",
ProgramName, authfilename);
return -1;
}
xauth_head = head;
}
n = strlen (authfilename);
xauth_filename = malloc (n + 1);
if (xauth_filename) strcpy (xauth_filename, authfilename);
else {
fprintf(stderr,"cannot allocate memory\n");
return -1;
}
xauth_modified = False;
if (verbose) {
printf ("%s authority file %s\n",
ignore_locks ? "Ignoring locks on" : "Using", authfilename);
}
return 0;
}
