Annotation of embedaddon/mpd/src/contrib/libpdel/http/servlet/http_servlet_basicauth.c, revision 1.1
1.1 ! misho 1:
! 2: /*
! 3: * Copyright (c) 2001-2002 Packet Design, LLC.
! 4: * All rights reserved.
! 5: *
! 6: * Subject to the following obligations and disclaimer of warranty,
! 7: * use and redistribution of this software, in source or object code
! 8: * forms, with or without modifications are expressly permitted by
! 9: * Packet Design; provided, however, that:
! 10: *
! 11: * (i) Any and all reproductions of the source or object code
! 12: * must include the copyright notice above and the following
! 13: * disclaimer of warranties; and
! 14: * (ii) No rights are granted, in any manner or form, to use
! 15: * Packet Design trademarks, including the mark "PACKET DESIGN"
! 16: * on advertising, endorsements, or otherwise except as such
! 17: * appears in the above copyright notice or in the software.
! 18: *
! 19: * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
! 20: * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
! 21: * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
! 22: * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
! 23: * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
! 24: * OR NON-INFRINGEMENT. PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
! 25: * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
! 26: * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
! 27: * RELIABILITY OR OTHERWISE. IN NO EVENT SHALL PACKET DESIGN BE
! 28: * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
! 29: * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
! 30: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
! 31: * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
! 32: * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
! 33: * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 34: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
! 35: * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
! 36: * THE POSSIBILITY OF SUCH DAMAGE.
! 37: *
! 38: * Author: Archie Cobbs <archie@freebsd.org>
! 39: */
! 40:
! 41: #include <sys/types.h>
! 42: #include <sys/param.h>
! 43: #include <sys/stat.h>
! 44:
! 45: #include <netinet/in_systm.h>
! 46: #include <netinet/in.h>
! 47:
! 48: #include <stdlib.h>
! 49: #include <stdio.h>
! 50: #include <string.h>
! 51: #include <stdarg.h>
! 52: #include <syslog.h>
! 53: #include <errno.h>
! 54: #include <assert.h>
! 55:
! 56: #include <openssl/ssl.h>
! 57:
! 58: #include "structs/structs.h"
! 59: #include "structs/type/array.h"
! 60:
! 61: #include "http/http_defs.h"
! 62: #include "http/http_server.h"
! 63: #include "http/http_servlet.h"
! 64: #include "http/servlet/basicauth.h"
! 65: #include "util/typed_mem.h"
! 66:
! 67: #define MEM_TYPE "http_servlet_basicauth"
! 68:
! 69: static http_servlet_run_t http_servlet_basicauth_run;
! 70: static http_servlet_destroy_t http_servlet_basicauth_destroy;
! 71:
! 72: struct http_servlet_basicauth {
! 73: http_servlet_basicauth_t *auth;
! 74: void (*destroy)(void *);
! 75: void *arg;
! 76: };
! 77:
! 78: /*
! 79: * Create a new auth servlet.
! 80: */
! 81: struct http_servlet *
! 82: http_servlet_basicauth_create(http_servlet_basicauth_t *auth,
! 83: void *arg, void (*destroy)(void *))
! 84: {
! 85: struct http_servlet_basicauth *info;
! 86: struct http_servlet *servlet;
! 87:
! 88: /* Sanity check */
! 89: if (auth == NULL) {
! 90: errno = EINVAL;
! 91: return (NULL);
! 92: }
! 93:
! 94: /* Create servlet */
! 95: if ((servlet = MALLOC(MEM_TYPE, sizeof(*servlet))) == NULL)
! 96: return (NULL);
! 97: memset(servlet, 0, sizeof(*servlet));
! 98: servlet->run = http_servlet_basicauth_run;
! 99: servlet->destroy = http_servlet_basicauth_destroy;
! 100:
! 101: /* Add info */
! 102: if ((info = MALLOC(MEM_TYPE, sizeof(*info))) == NULL) {
! 103: FREE(MEM_TYPE, servlet);
! 104: return (NULL);
! 105: }
! 106: memset(info, 0, sizeof(*info));
! 107: info->auth = auth;
! 108: info->arg = arg;
! 109: info->destroy = destroy;
! 110: servlet->arg = info;
! 111:
! 112: /* Done */
! 113: return (servlet);
! 114: }
! 115:
! 116: /*
! 117: * Execute authorization servlet.
! 118: */
! 119: static int
! 120: http_servlet_basicauth_run(struct http_servlet *servlet,
! 121: struct http_request *req, struct http_response *resp)
! 122: {
! 123: struct http_servlet_basicauth *const info = servlet->arg;
! 124: const char *username;
! 125: const char *password;
! 126: const char *realm;
! 127:
! 128: /* Get username and password */
! 129: if ((username = http_request_get_username(req)) == NULL)
! 130: username = "";
! 131: if ((password = http_request_get_password(req)) == NULL)
! 132: password = "";
! 133:
! 134: /* Check authorization and return error if it fails */
! 135: if ((realm = (*info->auth)(info->arg,
! 136: req, username, password)) != NULL) {
! 137: http_response_send_basic_auth(resp, realm);
! 138: return (1);
! 139: }
! 140:
! 141: /* Continue */
! 142: return (0);
! 143: }
! 144:
! 145: /*
! 146: * Destroy an auth servlet.
! 147: */
! 148: static void
! 149: http_servlet_basicauth_destroy(struct http_servlet *servlet)
! 150: {
! 151: struct http_servlet_basicauth *const info = servlet->arg;
! 152:
! 153: if (info->destroy != NULL)
! 154: (*info->destroy)(info->arg);
! 155: FREE(MEM_TYPE, servlet->arg);
! 156: FREE(MEM_TYPE, servlet);
! 157: }
! 158:
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