| 1 | /*
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| 2 | * Copyright (c) 2015 Jiri Svoboda
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup volsrv
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file Filesystem creation
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| 34 | * @brief
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| 35 | */
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| 36 |
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| 37 | #include <errno.h>
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| 38 | #include <io/log.h>
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| 39 | #include <loc.h>
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| 40 | #include <stdarg.h>
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| 41 | #include <stdlib.h>
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| 42 | #include <str.h>
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| 43 | #include <str_error.h>
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| 44 | #include <task.h>
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| 45 | #include <types/vol.h>
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| 46 |
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| 47 | #include "mkfs.h"
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| 48 |
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| 49 | static errno_t cmd_runl(const char *path, ...)
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| 50 | {
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| 51 | va_list ap;
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| 52 | const char *arg;
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| 53 | int cnt = 0;
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| 54 |
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| 55 | va_start(ap, path);
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| 56 | do {
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| 57 | arg = va_arg(ap, const char *);
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| 58 | cnt++;
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| 59 | } while (arg != NULL);
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| 60 | va_end(ap);
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| 61 |
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| 62 | va_start(ap, path);
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| 63 | task_id_t id;
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| 64 | task_wait_t wait;
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| 65 | errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
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| 66 | va_end(ap);
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| 67 |
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| 68 | if (rc != EOK) {
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| 69 | log_msg(LOG_DEFAULT, LVL_ERROR, "Error spawning %s (%s)",
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| 70 | path, str_error(rc));
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| 71 | return rc;
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| 72 | }
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| 73 |
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| 74 | if (!id) {
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| 75 | log_msg(LOG_DEFAULT, LVL_ERROR, "Error spawning %s "
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| 76 | "(invalid task ID)", path);
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| 77 | return EINVAL;
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| 78 | }
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| 79 |
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| 80 | task_exit_t texit;
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| 81 | int retval;
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| 82 | rc = task_wait(&wait, &texit, &retval);
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| 83 | if (rc != EOK) {
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| 84 | log_msg(LOG_DEFAULT, LVL_ERROR, "Error waiting for %s (%s)",
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| 85 | path, str_error(rc));
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| 86 | return rc;
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| 87 | }
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| 88 |
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| 89 | if (texit != TASK_EXIT_NORMAL) {
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| 90 | log_msg(LOG_DEFAULT, LVL_ERROR, "Command %s unexpectedly "
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| 91 | "terminated", path);
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| 92 | return EINVAL;
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| 93 | }
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| 94 |
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| 95 | if (retval != 0) {
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| 96 | log_msg(LOG_DEFAULT, LVL_ERROR, "Command %s returned non-zero "
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| 97 | "exit code %d)", path, retval);
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| 98 | }
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| 99 |
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| 100 | return retval == 0 ? EOK : EPARTY;
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| 101 | }
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| 102 |
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| 103 | errno_t volsrv_part_mkfs(service_id_t sid, vol_fstype_t fstype, const char *label)
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| 104 | {
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| 105 | const char *cmd;
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| 106 | char *svc_name;
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| 107 | errno_t rc;
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| 108 |
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| 109 | cmd = NULL;
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| 110 | switch (fstype) {
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| 111 | case fs_exfat:
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| 112 | cmd = "/app/mkexfat";
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| 113 | break;
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| 114 | case fs_fat:
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| 115 | cmd = "/app/mkfat";
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| 116 | break;
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| 117 | case fs_minix:
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| 118 | cmd = "/app/mkmfs";
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| 119 | break;
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| 120 | case fs_ext4:
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| 121 | cmd = "/app/mkext4";
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| 122 | break;
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| 123 | case fs_cdfs:
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| 124 | cmd = NULL;
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| 125 | break;
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| 126 | }
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| 127 |
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| 128 | if (cmd == NULL)
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| 129 | return ENOTSUP;
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| 130 |
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| 131 | rc = loc_service_get_name(sid, &svc_name);
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| 132 | if (rc != EOK)
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| 133 | return rc;
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| 134 |
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| 135 | if (str_size(label) > 0)
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| 136 | rc = cmd_runl(cmd, cmd, "--label", label, svc_name, NULL);
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| 137 | else
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| 138 | rc = cmd_runl(cmd, cmd, svc_name, NULL);
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| 139 |
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| 140 | free(svc_name);
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| 141 | return rc;
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| 142 | }
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| 143 |
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| 144 | void volsrv_part_get_lsupp(vol_fstype_t fstype, vol_label_supp_t *vlsupp)
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| 145 | {
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| 146 | vlsupp->supported = false;
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| 147 |
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| 148 | switch (fstype) {
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| 149 | case fs_exfat:
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| 150 | case fs_ext4:
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| 151 | case fs_fat:
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| 152 | vlsupp->supported = true;
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| 153 | break;
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| 154 | case fs_minix:
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| 155 | case fs_cdfs:
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| 156 | break;
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| 157 | }
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| 158 | }
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| 159 |
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| 160 | /** @}
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| 161 | */
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