#ifdef HAVE_CONFIG_H
#include <config.h>
RCSID("$Id$");
#endif
#include <ctype.h>
#ifdef KRB5
#include <krb5.h>
#endif
#include <kafs.h>
#include <roken.h>
#include <getarg.h>
#include <err.h>
static int help_flag;
static int version_flag;
static getarg_strings cells;
static char *realm;
static getarg_strings files;
static int unlog_flag;
static int verbose;
#ifdef KRB5
static char *client_string;
static char *cache_string;
static int use_krb5 = 1;
#endif
struct getargs args[] = {
{ "cell", 'c', arg_strings, &cells, "cells to get tokens for", "cell" },
{ "file", 'p', arg_strings, &files, "files to get tokens for", "path" },
{ "realm", 'k', arg_string, &realm, "realm for afs cell", "realm" },
{ "unlog", 'u', arg_flag, &unlog_flag, "remove tokens" },
#ifdef KRB5
{ "principal",'P',arg_string,&client_string,"principal to use","principal"},
{ "cache", 0, arg_string, &cache_string, "ccache to use", "cache"},
{ "v5", 0, arg_negative_flag, &use_krb5, "don't use Kerberos 5" },
#endif
{ "verbose",'v', arg_flag, &verbose },
{ "version", 0, arg_flag, &version_flag },
{ "help", 'h', arg_flag, &help_flag },
};
static int num_args = sizeof(args) / sizeof(args[0]);
#ifdef KRB5
krb5_context context;
krb5_ccache id;
#endif
static const char *
expand_one_file(FILE *f, const char *cell)
{
static char buf[1024];
char *p;
while (fgets (buf, sizeof(buf), f) != NULL) {
if(buf[0] == '>') {
for(p = buf; *p && !isspace((unsigned char)*p) && *p != '#'; p++)
;
*p = '\0';
if(strncmp(buf + 1, cell, strlen(cell)) == 0)
return buf + 1;
}
buf[0] = '\0';
}
return NULL;
}
static const char *
expand_cell_name(const char *cell)
{
FILE *f;
const char *c;
const char **fn, *files[] = { _PATH_CELLSERVDB,
_PATH_ARLA_CELLSERVDB,
_PATH_OPENAFS_DEBIAN_CELLSERVDB,
_PATH_ARLA_DEBIAN_CELLSERVDB,
NULL };
for(fn = files; *fn; fn++) {
f = fopen(*fn, "r");
if(f == NULL)
continue;
c = expand_one_file(f, cell);
fclose(f);
if(c)
return c;
}
return cell;
}
static void
usage(int ecode)
{
arg_printusage(args, num_args, NULL, "[cell|path]...");
exit(ecode);
}
struct cell_list {
char *cell;
struct cell_list *next;
} *cell_list;
static int
afslog_cell(const char *cell, int expand)
{
struct cell_list *p, **q;
const char *c = cell;
if(expand){
c = expand_cell_name(cell);
if(c == NULL){
warnx("No cell matching \"%s\" found.", cell);
return -1;
}
if(verbose && strcmp(c, cell) != 0)
warnx("Cell \"%s\" expanded to \"%s\"", cell, c);
}
for(p = cell_list, q = &cell_list; p; q = &p->next, p = p->next)
if(strcmp(p->cell, c) == 0)
return 0;
p = malloc(sizeof(*p));
if(p == NULL)
return -1;
p->cell = strdup(c);
if(p->cell == NULL) {
free(p);
return -1;
}
p->next = NULL;
*q = p;
return 0;
}
static int
afslog_file(const char *path)
{
char cell[64];
if(k_afs_cell_of_file(path, cell, sizeof(cell))){
warnx("No cell found for file \"%s\".", path);
return -1;
}
if(verbose)
warnx("File \"%s\" lives in cell \"%s\"", path, cell);
return afslog_cell(cell, 0);
}
static int
do_afslog(const char *cell)
{
int k5ret;
k5ret = 0;
#ifdef KRB5
if(context != NULL && id != NULL && use_krb5) {
k5ret = krb5_afslog(context, id, cell, realm);
if(k5ret == 0)
return 0;
}
#endif
if (cell == NULL)
cell = "<default cell>";
#ifdef KRB5
if (k5ret)
krb5_warn(context, k5ret, "krb5_afslog(%s)", cell);
#endif
if (k5ret)
return 1;
return 0;
}
static void
log_func(void *ctx, const char *str)
{
fprintf(stderr, "%s\n", str);
}
int
main(int argc, char **argv)
{
int optind = 0;
int i;
int num;
int ret = 0;
int failed = 0;
struct cell_list *p;
setprogname(argv[0]);
if(getarg(args, num_args, argc, argv, &optind))
usage(1);
if(help_flag)
usage(0);
if(version_flag) {
print_version(NULL);
exit(0);
}
if(!k_hasafs())
errx(1, "AFS does not seem to be present on this machine");
if(unlog_flag){
k_unlog();
exit(0);
}
#ifdef KRB5
ret = krb5_init_context(&context);
if (ret) {
context = NULL;
} else {
if (client_string) {
krb5_principal client;
ret = krb5_parse_name(context, client_string, &client);
if (ret == 0)
ret = krb5_cc_cache_match(context, client, &id);
if (ret)
id = NULL;
}
if (id == NULL && cache_string) {
if(krb5_cc_resolve(context, cache_string, &id) != 0) {
krb5_warnx(context, "failed to open kerberos 5 cache '%s'",
cache_string);
id = NULL;
}
}
if (id == NULL)
if(krb5_cc_default(context, &id) != 0)
id = NULL;
}
#endif
if (verbose)
kafs_set_verbose(log_func, NULL);
num = 0;
for(i = 0; i < files.num_strings; i++){
afslog_file(files.strings[i]);
num++;
}
free_getarg_strings (&files);
for(i = 0; i < cells.num_strings; i++){
afslog_cell(cells.strings[i], 1);
num++;
}
free_getarg_strings (&cells);
for(i = optind; i < argc; i++){
num++;
if(strcmp(argv[i], ".") == 0 ||
strcmp(argv[i], "..") == 0 ||
strchr(argv[i], '/') ||
access(argv[i], F_OK) == 0)
afslog_file(argv[i]);
else
afslog_cell(argv[i], 1);
}
if(num == 0) {
if(do_afslog(NULL))
failed++;
} else
for(p = cell_list; p; p = p->next) {
if(verbose)
warnx("Getting tokens for cell \"%s\"", p->cell);
if(do_afslog(p->cell))
failed++;
}
return failed;
}