| 1 | /* |
| 2 | * Copyright (c) 2011-2012 The DragonFly Project. All rights reserved. |
| 3 | * |
| 4 | * This code is derived from software contributed to The DragonFly Project |
| 5 | * by Matthew Dillon <dillon@dragonflybsd.org> |
| 6 | * by Venkatesh Srinivas <vsrinivas@dragonflybsd.org> |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in |
| 16 | * the documentation and/or other materials provided with the |
| 17 | * distribution. |
| 18 | * 3. Neither the name of The DragonFly Project nor the names of its |
| 19 | * contributors may be used to endorse or promote products derived |
| 20 | * from this software without specific, prior written permission. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 23 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 25 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 26 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 27 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| 28 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 29 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| 30 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 31 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 32 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 33 | * SUCH DAMAGE. |
| 34 | */ |
| 35 | |
| 36 | /* |
| 37 | * Rollup headers for hammer2 utility |
| 38 | */ |
| 39 | #include <sys/types.h> |
| 40 | #include <sys/uio.h> |
| 41 | #include <sys/mount.h> |
| 42 | #include <sys/file.h> |
| 43 | #include <sys/socket.h> |
| 44 | #include <sys/time.h> |
| 45 | #include <sys/wait.h> |
| 46 | #include <sys/tty.h> |
| 47 | #include <sys/endian.h> |
| 48 | |
| 49 | #include <netinet/in.h> |
| 50 | #include <netinet/tcp.h> |
| 51 | #include <arpa/inet.h> |
| 52 | #include <netdb.h> |
| 53 | |
| 54 | #include <vfs/hammer2/hammer2_disk.h> |
| 55 | #include <vfs/hammer2/hammer2_mount.h> |
| 56 | #include <vfs/hammer2/hammer2_ioctl.h> |
| 57 | #include <vfs/hammer2/hammer2_network.h> |
| 58 | |
| 59 | #include <stdio.h> |
| 60 | #include <stdlib.h> |
| 61 | #include <stdarg.h> |
| 62 | #include <stddef.h> |
| 63 | |
| 64 | #include <errno.h> |
| 65 | #include <fcntl.h> |
| 66 | #include <signal.h> |
| 67 | #include <string.h> |
| 68 | #include <unistd.h> |
| 69 | #include <ctype.h> |
| 70 | #include <uuid.h> |
| 71 | #include <assert.h> |
| 72 | #include <pthread.h> |
| 73 | #include <poll.h> |
| 74 | |
| 75 | #include <libutil.h> |
| 76 | |
| 77 | #include "network.h" |
| 78 | |
| 79 | #define HAMMER2_DEFAULT_DIR "/etc/hammer2" |
| 80 | #define HAMMER2_PATH_REMOTE HAMMER2_DEFAULT_DIR "/remote" |
| 81 | |
| 82 | struct hammer2_idmap { |
| 83 | struct hammer2_idmap *next; |
| 84 | uint32_t ran_beg; /* inclusive */ |
| 85 | uint32_t ran_end; /* inclusive */ |
| 86 | }; |
| 87 | |
| 88 | typedef struct hammer2_idmap hammer2_idmap_t; |
| 89 | |
| 90 | extern int DebugOpt; |
| 91 | extern int VerboseOpt; |
| 92 | extern int QuietOpt; |
| 93 | extern int NormalExit; |
| 94 | |
| 95 | /* |
| 96 | * Hammer2 command APIs |
| 97 | */ |
| 98 | int hammer2_ioctl_handle(const char *sel_path); |
| 99 | void hammer2_demon(void *(*func)(void *), void *arg); |
| 100 | |
| 101 | int cmd_remote_connect(const char *sel_path, const char *url); |
| 102 | int cmd_remote_disconnect(const char *sel_path, const char *url); |
| 103 | int cmd_remote_status(const char *sel_path, int all_opt); |
| 104 | |
| 105 | int cmd_pfs_getid(const char *sel_path, const char *name, int privateid); |
| 106 | int cmd_pfs_list(const char *sel_path); |
| 107 | int cmd_pfs_create(const char *sel_path, const char *name, |
| 108 | uint8_t pfs_type, const char *uuid_str); |
| 109 | int cmd_pfs_delete(const char *sel_path, const char *name); |
| 110 | |
| 111 | int cmd_service(void); |
| 112 | int cmd_stat(int ac, const char **av); |
| 113 | int cmd_leaf(const char *sel_path); |
| 114 | int cmd_shell(const char *hostname); |
| 115 | int cmd_show(const char *devpath); |
| 116 | int cmd_rsainit(const char *dir_path); |
| 117 | int cmd_rsaenc(const char **keys, int nkeys); |
| 118 | int cmd_rsadec(const char **keys, int nkeys); |
| 119 | |
| 120 | /* |
| 121 | * Msg support functions |
| 122 | */ |
| 123 | void hammer2_bswap_head(hammer2_msg_hdr_t *head); |
| 124 | void hammer2_ioq_init(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq); |
| 125 | void hammer2_ioq_done(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq); |
| 126 | void hammer2_iocom_init(hammer2_iocom_t *iocom, int sock_fd, int alt_fd); |
| 127 | void hammer2_iocom_done(hammer2_iocom_t *iocom); |
| 128 | hammer2_msg_t *hammer2_msg_alloc(hammer2_iocom_t *iocom, size_t aux_size, |
| 129 | uint32_t cmd); |
| 130 | void hammer2_msg_reply(hammer2_iocom_t *iocom, hammer2_msg_t *msg, |
| 131 | uint32_t error); |
| 132 | void hammer2_msg_result(hammer2_iocom_t *iocom, hammer2_msg_t *msg, |
| 133 | uint32_t error); |
| 134 | void hammer2_state_reply(hammer2_state_t *state, uint32_t error); |
| 135 | |
| 136 | void hammer2_msg_free(hammer2_iocom_t *iocom, hammer2_msg_t *msg); |
| 137 | |
| 138 | void hammer2_iocom_core(hammer2_iocom_t *iocom, |
| 139 | void (*iocom_recvmsg)(hammer2_iocom_t *), |
| 140 | void (*iocom_sendmsg)(hammer2_iocom_t *), |
| 141 | void (*iocom_altmsg)(hammer2_iocom_t *)); |
| 142 | hammer2_msg_t *hammer2_ioq_read(hammer2_iocom_t *iocom); |
| 143 | void hammer2_msg_write(hammer2_iocom_t *iocom, hammer2_msg_t *msg, |
| 144 | void (*func)(hammer2_state_t *, hammer2_msg_t *), |
| 145 | void *data, hammer2_state_t **statep); |
| 146 | |
| 147 | void hammer2_iocom_drain(hammer2_iocom_t *iocom); |
| 148 | void hammer2_iocom_flush1(hammer2_iocom_t *iocom); |
| 149 | void hammer2_iocom_flush2(hammer2_iocom_t *iocom); |
| 150 | |
| 151 | void hammer2_state_cleanuprx(hammer2_iocom_t *iocom, hammer2_msg_t *msg); |
| 152 | void hammer2_state_free(hammer2_state_t *state); |
| 153 | |
| 154 | /* |
| 155 | * Msg protocol functions |
| 156 | */ |
| 157 | void hammer2_msg_lnk(hammer2_iocom_t *iocom, hammer2_msg_t *msg); |
| 158 | void hammer2_msg_dbg(hammer2_iocom_t *iocom, hammer2_msg_t *msg); |
| 159 | |
| 160 | /* |
| 161 | * Crypto functions |
| 162 | */ |
| 163 | void hammer2_crypto_negotiate(hammer2_iocom_t *iocom); |
| 164 | void hammer2_crypto_decrypt(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq); |
| 165 | void hammer2_crypto_decrypt_aux(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq, |
| 166 | hammer2_msg_t *msg, int already); |
| 167 | int hammer2_crypto_encrypt(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq, |
| 168 | struct iovec *iov, int n); |
| 169 | void hammer2_crypto_encrypt_wrote(hammer2_iocom_t *iocom, hammer2_ioq_t *ioq, |
| 170 | int nact); |
| 171 | |
| 172 | /* |
| 173 | * Misc functions |
| 174 | */ |
| 175 | const char *hammer2_time64_to_str(uint64_t htime64, char **strp); |
| 176 | const char *hammer2_uuid_to_str(uuid_t *uuid, char **strp); |
| 177 | const char *hammer2_iptype_to_str(uint8_t type); |
| 178 | const char *hammer2_pfstype_to_str(uint8_t type); |
| 179 | const char *sizetostr(hammer2_off_t size); |
| 180 | |
| 181 | void hammer2_msg_debug(hammer2_iocom_t *iocom, hammer2_msg_t *msg); |
| 182 | void iocom_printf(hammer2_iocom_t *iocom, uint32_t cmd, const char *ctl, ...); |
| 183 | void *hammer2_alloc(size_t bytes); |
| 184 | void hammer2_free(void *ptr); |