2 * Sherlock Library -- Bucket Manipulation Tool
4 * (c) 2001 Martin Mares <mj@ucw.cz>
6 * This software may be freely distributed and used according to the terms
7 * of the GNU Lesser General Public License.
11 #include "lib/bucket.h"
12 #include "lib/fastbuf.h"
28 Usage: buckettool [<options>] <command>\n\
33 -l\t\tlist all buckets\n\
34 -L\t\tlist all buckets including deleted ones\n\
35 -d <obj>\tdelete bucket\n\
36 -x <obj>\textract bucket\n\
37 -i\t\tinsert buckets separated by blank lines\n\
38 -c\t\tconcatenate and dump all buckets\n\
39 -f\t\taudit bucket file structure\n\
40 -F\t\taudit and fix bucket file structure\n\
41 -q\t\tquick check of bucket file consistency\n\
42 -s\t\tshake down bucket file (without updating other structures!!!)\n\
52 oid_t o = strtoul(c, &e, 16);
54 die("Invalid object ID: %s", c);
61 struct obuck_header h;
64 if (obuck_find_first(&h, full))
67 if (h.oid == OBUCK_OID_DELETED)
68 printf("DELETED %6d\n", h.length);
70 printf("%08x %6d %6d\n", h.oid, h.length, h.orig_length);
72 while (obuck_find_next(&h, full));
79 oid_t oid = parse_id(id);
91 struct obuck_header h;
95 obuck_find_by_oid(&h);
97 while ((l = bread(b, buf, sizeof(buf))))
98 fwrite(buf, 1, l, stdout);
106 struct fastbuf *b, *in;
108 struct obuck_header h;
111 in = bfdopen(0, 4096);
116 while ((e = bgets(in, buf, sizeof(buf))) && buf[0])
119 bwrite(b, buf, e-buf);
121 obuck_create_end(b, &h);
122 printf("%08x %d %d\n", h.oid, h.length, h.orig_length);
126 /* bclose(in) not done, we don't want fd 0 closed */
132 struct obuck_header h;
138 if (obuck_find_first(&h, 0))
141 printf("### %08x %6d %6d\n", h.oid, h.length, h.orig_length);
144 while ((l = bread(b, buf, sizeof(buf))))
146 fwrite(buf, 1, l, stdout);
147 lf = (buf[l-1] == '\n');
151 printf("\n# <missing EOL>\n");
153 while (obuck_find_next(&h, 0));
161 struct obuck_header h, nh;
167 int fatal_errors = 0;
169 fd = sh_open(obuck_name, O_RDWR);
171 die("Unable to open the bucket file %s: %m", obuck_name);
174 oid = pos >> OBUCK_SHIFT;
175 i = sh_pread(fd, &h, sizeof(h), pos);
179 printf("%08x incomplete header\n", oid);
180 else if (h.magic == OBUCK_INCOMPLETE_MAGIC)
181 printf("%08x incomplete file\n", oid);
182 else if (h.magic != OBUCK_MAGIC)
183 printf("%08x invalid header magic\n", oid);
184 else if (h.oid != oid && h.oid != OBUCK_OID_DELETED)
185 printf("%08x invalid header backlink\n", oid);
188 end = (pos + sizeof(h) + h.length + 4 + OBUCK_ALIGN - 1) & ~(sh_off_t)(OBUCK_ALIGN - 1);
189 if (sh_pread(fd, &chk, 4, end-4) != 4)
190 printf("%08x missing trailer\n", oid);
191 else if (chk != OBUCK_TRAILER)
192 printf("%08x mismatched trailer\n", oid);
204 if (pos - end > 0x10000000)
206 printf("*** skipped for too long, giving up\n");
211 if (sh_pread(fd, &nh, sizeof(nh), end) != sizeof(nh))
213 printf("*** unable to find next header\n");
216 printf("*** truncating file\n");
217 sh_ftruncate(fd, pos);
220 printf("*** would truncate the file here\n");
224 while (nh.magic != OBUCK_MAGIC ||
225 (nh.oid != (oid_t)(end >> OBUCK_SHIFT) && nh.oid != OBUCK_OID_DELETED));
226 printf("*** match at oid %08x\n", (uns)(end >> OBUCK_SHIFT));
229 h.magic = OBUCK_MAGIC;
230 h.oid = OBUCK_OID_DELETED;
231 h.length = h.orig_length = end - pos - sizeof(h) - 4;
232 sh_pwrite(fd, &h, sizeof(h), pos);
234 sh_pwrite(fd, &chk, 4, end-4);
235 printf("*** replaced the invalid chunk by a DELETED bucket of size %d\n", (uns)(end - pos));
238 printf("*** would mark %d bytes as DELETED\n", (uns)(end - pos));
243 if (!fix && errors || fatal_errors)
248 shake_kibitz(struct obuck_header *old, oid_t new, byte *buck UNUSED)
252 printf("%08x -> ", old->oid);
253 if (new == OBUCK_OID_DELETED)
256 printf("%08x\n", new);
265 obuck_shakedown(shake_kibitz);
277 main(int argc, char **argv)
284 while ((i = cf_getopt(argc, argv, CF_SHORT_OPTS "lLd:x:icfFqsv", CF_NO_LONG_OPTS, NULL)) != -1)