1 /* $OpenBSD: queue_null.c,v 1.6 2015/01/20 17:37:54 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2012 Eric Faurot <eric@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 #include <sys/queue.h> 21 #include <sys/tree.h> 22 #include <sys/socket.h> 23 #include <sys/stat.h> 24 25 #include <ctype.h> 26 #include <err.h> 27 #include <errno.h> 28 #include <event.h> 29 #include <fcntl.h> 30 #include <imsg.h> 31 #include <inttypes.h> 32 #include <libgen.h> 33 #include <pwd.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <string.h> 37 #include <time.h> 38 #include <unistd.h> 39 #include <limits.h> 40 41 #include "smtpd.h" 42 #include "log.h" 43 44 static int 45 queue_null_message_create(uint32_t *msgid) 46 { 47 *msgid = queue_generate_msgid(); 48 return (1); 49 } 50 51 static int 52 queue_null_message_commit(uint32_t msgid, const char *path) 53 { 54 return (1); 55 } 56 57 static int 58 queue_null_message_delete(uint32_t msgid) 59 { 60 return (1); 61 } 62 63 static int 64 queue_null_message_fd_r(uint32_t msgid) 65 { 66 return (-1); 67 } 68 69 static int 70 queue_null_message_corrupt(uint32_t msgid) 71 { 72 return (0); 73 } 74 75 static int 76 queue_null_envelope_create(uint32_t msgid, const char *buf, size_t len, 77 uint64_t *evpid) 78 { 79 *evpid = queue_generate_evpid(msgid); 80 return (1); 81 } 82 83 static int 84 queue_null_envelope_delete(uint64_t evpid) 85 { 86 return (1); 87 } 88 89 static int 90 queue_null_envelope_update(uint64_t evpid, const char *buf, size_t len) 91 { 92 return (1); 93 } 94 95 static int 96 queue_null_envelope_load(uint64_t evpid, char *buf, size_t len) 97 { 98 return (0); 99 } 100 101 static int 102 queue_null_envelope_walk(uint64_t *evpid, char *buf, size_t len) 103 { 104 return (-1); 105 } 106 107 static int 108 queue_null_init(struct passwd *pw, int server, const char *conf) 109 { 110 queue_api_on_message_create(queue_null_message_create); 111 queue_api_on_message_commit(queue_null_message_commit); 112 queue_api_on_message_delete(queue_null_message_delete); 113 queue_api_on_message_fd_r(queue_null_message_fd_r); 114 queue_api_on_message_corrupt(queue_null_message_corrupt); 115 queue_api_on_envelope_create(queue_null_envelope_create); 116 queue_api_on_envelope_delete(queue_null_envelope_delete); 117 queue_api_on_envelope_update(queue_null_envelope_update); 118 queue_api_on_envelope_load(queue_null_envelope_load); 119 queue_api_on_envelope_walk(queue_null_envelope_walk); 120 121 return (1); 122 } 123 124 struct queue_backend queue_backend_null = { 125 queue_null_init, 126 }; 127