diff --git a/lib/kadm5/server.c b/lib/kadm5/server.c deleted file mode 100644 index 230befe82..000000000 --- a/lib/kadm5/server.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * Copyright (c) 1997-1999 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Kungliga Tekniska - * Högskolan and its contributors. - * - * 4. Neither the name of the Institute nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "kadm5_locl.h" - -RCSID("$Id$"); - -static kadm5_ret_t -kadmind_dispatch(void *kadm_handle, krb5_data *in, krb5_data *out) -{ - kadm5_ret_t ret; - int32_t cmd, mask, tmp; - kadm5_server_context *context = kadm_handle; - char client[128], name[128], name2[128]; - char *op = ""; - krb5_principal princ, princ2; - kadm5_principal_ent_rec ent; - char *password, *exp; - krb5_keyblock *new_keys; - int n_keys; - char **princs; - int n_princs; - krb5_storage *sp; - - krb5_unparse_name_fixed(context->context, context->caller, - client, sizeof(client)); - - sp = krb5_storage_from_data(in); - - krb5_ret_int32(sp, &cmd); - switch(cmd){ - case kadm_get:{ - op = "GET"; - ret = krb5_ret_principal(sp, &princ); - if(ret) - goto fail; - ret = krb5_ret_int32(sp, &mask); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - krb5_unparse_name_fixed(context->context, princ, name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_GET); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - ret = kadm5_get_principal(kadm_handle, princ, &ent, mask); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - if(ret == 0){ - kadm5_store_principal_ent(sp, &ent); - kadm5_free_principal_ent(kadm_handle, &ent); - } - krb5_free_principal(context->context, princ); - break; - } - case kadm_delete:{ - op = "DELETE"; - ret = krb5_ret_principal(sp, &princ); - if(ret) - goto fail; - krb5_unparse_name_fixed(context->context, princ, name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_DELETE); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - ret = kadm5_delete_principal(kadm_handle, princ); - krb5_free_principal(context->context, princ); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - break; - } - case kadm_create:{ - op = "CREATE"; - ret = kadm5_ret_principal_ent(sp, &ent); - if(ret) - goto fail; - ret = krb5_ret_int32(sp, &mask); - if(ret){ - kadm5_free_principal_ent(context->context, &ent); - goto fail; - } - ret = krb5_ret_string(sp, &password); - if(ret){ - kadm5_free_principal_ent(context->context, &ent); - goto fail; - } - krb5_unparse_name_fixed(context->context, ent.principal, - name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_ADD); - if(ret){ - kadm5_free_principal_ent(context->context, &ent); - memset(password, 0, strlen(password)); - free(password); - goto fail; - } - ret = kadm5_create_principal(kadm_handle, &ent, - mask, password); - kadm5_free_principal_ent(kadm_handle, &ent); - memset(password, 0, strlen(password)); - free(password); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - break; - } - case kadm_modify:{ - op = "MODIFY"; - ret = kadm5_ret_principal_ent(sp, &ent); - if(ret) - goto fail; - ret = krb5_ret_int32(sp, &mask); - if(ret){ - kadm5_free_principal_ent(context, &ent); - goto fail; - } - krb5_unparse_name_fixed(context->context, ent.principal, - name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_MODIFY); - if(ret){ - kadm5_free_principal_ent(context, &ent); - goto fail; - } - ret = kadm5_modify_principal(kadm_handle, &ent, mask); - kadm5_free_principal_ent(kadm_handle, &ent); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - break; - } - case kadm_rename:{ - op = "RENAME"; - ret = krb5_ret_principal(sp, &princ); - if(ret) - goto fail; - ret = krb5_ret_principal(sp, &princ2); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - krb5_unparse_name_fixed(context->context, princ, name, sizeof(name)); - krb5_unparse_name_fixed(context->context, princ2, name2, sizeof(name2)); - krb5_warnx(context->context, "%s: %s %s -> %s", - client, op, name, name2); - ret = _kadm5_acl_check_permission(context, - KADM5_PRIV_ADD|KADM5_PRIV_DELETE); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - ret = kadm5_rename_principal(kadm_handle, princ, princ2); - krb5_free_principal(context->context, princ); - krb5_free_principal(context->context, princ2); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - break; - } - case kadm_chpass:{ - op = "CHPASS"; - ret = krb5_ret_principal(sp, &princ); - if(ret) - goto fail; - ret = krb5_ret_string(sp, &password); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - krb5_unparse_name_fixed(context->context, princ, name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); -#if 0 - /* anyone can change her/his own password */ - /* but not until there is a way to ensure that the - authentication was done via an initial ticket request */ - if(!krb5_principal_compare(context->context, context->caller, princ)) - ret = KADM5_AUTH_INSUFFICIENT; - if(ret) -#endif - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_CPW); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - ret = kadm5_chpass_principal(kadm_handle, princ, password); - krb5_free_principal(context->context, princ); - memset(password, 0, strlen(password)); - free(password); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - break; - } - case kadm_randkey:{ - op = "RANDKEY"; - ret = krb5_ret_principal(sp, &princ); - if(ret) - goto fail; - krb5_unparse_name_fixed(context->context, princ, name, sizeof(name)); - krb5_warnx(context->context, "%s: %s %s", client, op, name); -#if 0 - /* anyone can change her/his own password */ - /* but not until there is a way to ensure that the - authentication was done via an initial ticket request */ - if(!krb5_principal_compare(context->context, context->caller, princ)) - ret = KADM5_AUTH_INSUFFICIENT; - if(ret) -#endif - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_CPW); - if(ret){ - krb5_free_principal(context->context, princ); - goto fail; - } - ret = kadm5_randkey_principal(kadm_handle, princ, - &new_keys, &n_keys); - krb5_free_principal(context->context, princ); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - if(ret == 0){ - int i; - krb5_store_int32(sp, n_keys); - for(i = 0; i < n_keys; i++){ - krb5_store_keyblock(sp, new_keys[i]); - krb5_free_keyblock_contents(context->context, &new_keys[i]); - } - } - break; - } - case kadm_get_privs:{ - ret = kadm5_get_privs(kadm_handle, &mask); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - if(ret == 0) - krb5_store_int32(sp, mask); - break; - } - case kadm_get_princs:{ - op = "LIST"; - ret = krb5_ret_int32(sp, &tmp); - if(ret) - goto fail; - if(tmp){ - ret = krb5_ret_string(sp, &exp); - if(ret) - goto fail; - }else - exp = NULL; - krb5_warnx(context->context, "%s: %s %s", client, op, exp ? exp : "*"); - ret = _kadm5_acl_check_permission(context, KADM5_PRIV_LIST); - if(ret){ - free(exp); - goto fail; - } - ret = kadm5_get_principals(kadm_handle, exp, &princs, &n_princs); - free(exp); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, ret); - if(ret == 0){ - int i; - krb5_store_int32(sp, n_princs); - for(i = 0; i < n_princs; i++) - krb5_store_string(sp, princs[i]); - kadm5_free_name_list(kadm_handle, princs, &n_princs); - } - break; - } - default: - krb5_warnx(context->context, "%s: UNKNOWN OP %d", client, cmd); - krb5_storage_free(sp); - sp = krb5_storage_emem(); - krb5_store_int32(sp, KADM5_FAILURE); - break; - } - krb5_storage_to_data(sp, out); - krb5_storage_free(sp); - return 0; -fail: - krb5_warn(context->context, ret, "%s", op); - sp->seek(sp, 0, SEEK_SET); - krb5_store_int32(sp, ret); - krb5_storage_to_data(sp, out); - krb5_storage_free(sp); - return 0; -} - -krb5_error_code -kadmind_loop(krb5_context context, - krb5_auth_context ac, - const char *client, - int fd) -{ - krb5_error_code ret; - void *kadm_handle; - ret = kadm5_init_with_password_ctx(context, - client, - NULL, - KADM5_ADMIN_SERVICE, - NULL, 0, 0, - &kadm_handle); - if(ret) { - abort(); - } - - while(1){ - krb5_data in, out, msg, reply; - unsigned char tmp[4]; - unsigned long len; - ssize_t n; - struct iovec iov[2]; - krb5_boolean krb4_packet = 0; - - n = krb5_net_read(context, &fd, tmp, 4); - if(n == 0) - exit(0); - if(n < 0) - krb5_errx(context, 1, "read error: %d", errno); - if(n < 4) - krb5_errx(context, 1, "short read (%ld)", (long int)n); - _krb5_get_int(tmp, &len, 4); - if(len > 0xffff && (len & 0xffff) == ('K' << 8) + 'A') { - len = len << 16; - krb4_packet = 1; - krb5_errx(context, 1, "packet appears to be version 4"); - } - in.length = len; - in.data = malloc(in.length); - n = krb5_net_read(context, &fd, in.data, in.length); - if(n < 0) - krb5_errx(context, 1, "read error: %d", errno); - if(n < in.length) - krb5_errx(context, 1, "short read (%ld)", (long int)n); - if(!krb4_packet) { - ret = krb5_rd_priv(context, ac, &in, &out, NULL); - krb5_data_free(&in); - kadmind_dispatch(kadm_handle, &out, &msg); - krb5_data_free(&out); - } - ret = krb5_mk_priv(context, ac, &msg, &reply, NULL); - krb5_data_free(&msg); - if(ret) - krb5_err(context, 1, ret, "krb5_mk_priv"); - - _krb5_put_int(tmp, reply.length, 4); - - iov[0].iov_base = tmp; - iov[0].iov_len = 4; - iov[1].iov_base = reply.data; - iov[1].iov_len = reply.length; - n = writev(fd, iov, 2); - krb5_data_free(&reply); - if(n < 0) - krb5_err(context, 1, errno, "writev"); - if(n < iov[0].iov_len + iov[1].iov_len) - krb5_errx(context, 1, "short write"); - } -}