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75fc42f1 TT |
1 | /* |
2 | * quota.c --- debugfs quota commands | |
3 | * | |
4 | * Copyright (C) 2014 Theodore Ts'o. This file may be redistributed | |
5 | * under the terms of the GNU Public License. | |
6 | */ | |
7 | ||
8 | #include "config.h" | |
9 | #include <stdio.h> | |
10 | #include <unistd.h> | |
11 | #include <stdlib.h> | |
12 | #include <ctype.h> | |
13 | #include <string.h> | |
14 | #include <time.h> | |
15 | #ifdef HAVE_ERRNO_H | |
16 | #include <errno.h> | |
17 | #endif | |
18 | #include <sys/types.h> | |
19 | #ifdef HAVE_GETOPT_H | |
20 | #include <getopt.h> | |
21 | #else | |
22 | extern int optind; | |
23 | extern char *optarg; | |
24 | #endif | |
25 | ||
26 | #include "debugfs.h" | |
27 | ||
83628f38 | 28 | const char *quota_type[] = { "user", "group", "project", NULL }; |
75fc42f1 TT |
29 | |
30 | static int load_quota_ctx(char *progname) | |
31 | { | |
32 | errcode_t retval; | |
33 | ||
34 | if (check_fs_open(progname)) | |
35 | return 1; | |
36 | ||
4ee26699 | 37 | if (!ext2fs_has_feature_quota(current_fs->super)) { |
e6847693 | 38 | com_err(progname, 0, "quota feature not enabled"); |
75fc42f1 TT |
39 | return 1; |
40 | } | |
41 | ||
42 | if (current_qctx) | |
43 | return 0; | |
44 | ||
5c2a665a | 45 | retval = quota_init_context(¤t_qctx, current_fs, 0); |
75fc42f1 TT |
46 | if (retval) { |
47 | com_err(current_fs->device_name, retval, | |
48 | "while trying to load quota information"); | |
49 | return 1; | |
50 | } | |
51 | return 0; | |
52 | } | |
53 | ||
54 | static int parse_quota_type(const char *cmdname, const char *str) | |
55 | { | |
56 | errcode_t retval; | |
57 | char *t; | |
58 | int flags = 0; | |
59 | int i; | |
60 | ||
61 | for (i = 0; i < MAXQUOTAS; i++) { | |
62 | if (strcasecmp(str, quota_type[i]) == 0) | |
63 | break; | |
64 | } | |
65 | if (i >= MAXQUOTAS) { | |
66 | i = strtol(str, &t, 0); | |
67 | if (*t) | |
68 | i = -1; | |
69 | } | |
70 | if (i < 0 || i >= MAXQUOTAS) { | |
71 | com_err(0, 0, "Invalid quota type: %s", str); | |
72 | printf("Valid quota types are: "); | |
73 | for (i = 0; i < MAXQUOTAS; i++) | |
74 | printf("%s ", quota_type[i]); | |
75 | printf("\n"); | |
76 | return -1; | |
77 | } | |
78 | ||
79 | if (current_fs->flags & EXT2_FLAG_RW) | |
80 | flags |= EXT2_FILE_WRITE; | |
81 | ||
82 | retval = quota_file_open(current_qctx, NULL, 0, i, -1, flags); | |
83 | if (retval) { | |
84 | com_err(cmdname, retval, | |
85 | "while opening quota inode (type %d)", i); | |
86 | return -1; | |
87 | } | |
88 | return i; | |
89 | } | |
90 | ||
91 | ||
25f291c9 TT |
92 | static int list_quota_callback(struct dquot *dq, |
93 | void *cb_data EXT2FS_ATTR((unused))) | |
75fc42f1 | 94 | { |
83628f38 | 95 | printf("%10u %8lld %8lld %8lld %8lld %8lld %8lld\n", |
999d38d9 AD |
96 | dq->dq_id, (long long)dq->dq_dqb.dqb_curspace, |
97 | (long long)dq->dq_dqb.dqb_bsoftlimit, | |
98 | (long long)dq->dq_dqb.dqb_bhardlimit, | |
99 | (long long)dq->dq_dqb.dqb_curinodes, | |
100 | (long long)dq->dq_dqb.dqb_isoftlimit, | |
101 | (long long)dq->dq_dqb.dqb_ihardlimit); | |
75fc42f1 TT |
102 | return 0; |
103 | } | |
104 | ||
2fcbcb1b TT |
105 | void do_list_quota(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)), |
106 | void *infop EXT2FS_ATTR((unused))) | |
75fc42f1 TT |
107 | { |
108 | errcode_t retval; | |
999d38d9 | 109 | int type; |
75fc42f1 TT |
110 | struct quota_handle *qh; |
111 | ||
112 | if (load_quota_ctx(argv[0])) | |
113 | return; | |
114 | ||
115 | if (argc != 2) { | |
116 | com_err(0, 0, "Usage: list_quota <quota_type>\n"); | |
117 | return; | |
118 | } | |
119 | ||
120 | type = parse_quota_type(argv[0], argv[1]); | |
121 | if (type < 0) | |
122 | return; | |
123 | ||
83628f38 EW |
124 | printf("%7s %2s %8s %8s %8s %8s %8s %8s\n", |
125 | quota_type[type], "id", | |
75fc42f1 TT |
126 | "blocks", "quota", "limit", "inodes", "quota", "limit"); |
127 | qh = current_qctx->quota_file[type]; | |
128 | retval = qh->qh_ops->scan_dquots(qh, list_quota_callback, NULL); | |
129 | if (retval) { | |
130 | com_err(argv[0], retval, "while scanning dquots"); | |
131 | return; | |
132 | } | |
133 | } | |
134 | ||
2fcbcb1b TT |
135 | void do_get_quota(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)), |
136 | void *infop EXT2FS_ATTR((unused))) | |
75fc42f1 | 137 | { |
999d38d9 | 138 | int err, type; |
75fc42f1 TT |
139 | struct quota_handle *qh; |
140 | struct dquot *dq; | |
141 | qid_t id; | |
142 | ||
143 | if (load_quota_ctx(argv[0])) | |
144 | return; | |
145 | ||
146 | if (argc != 3) { | |
147 | com_err(0, 0, "Usage: get_quota <quota_type> <id>\n"); | |
148 | return; | |
149 | } | |
150 | ||
151 | type = parse_quota_type(argv[0], argv[1]); | |
152 | if (type < 0) | |
153 | return; | |
154 | ||
155 | id = parse_ulong(argv[2], argv[0], "id", &err); | |
156 | if (err) | |
157 | return; | |
158 | ||
83628f38 EW |
159 | printf("%7s %2s %8s %8s %8s %8s %8s %8s\n", |
160 | quota_type[type], "id", | |
75fc42f1 TT |
161 | "blocks", "quota", "limit", "inodes", "quota", "limit"); |
162 | ||
163 | qh = current_qctx->quota_file[type]; | |
164 | ||
165 | dq = qh->qh_ops->read_dquot(qh, id); | |
166 | if (dq) { | |
167 | list_quota_callback(dq, NULL); | |
168 | ext2fs_free_mem(&dq); | |
999d38d9 | 169 | } else { |
75fc42f1 | 170 | com_err(argv[0], 0, "couldn't read quota record"); |
999d38d9 | 171 | } |
75fc42f1 | 172 | } |