file_cmds/mtree/specspec.c

   1 /*-
   2  * Copyright (c) 2003 Poul-Henning Kamp
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD: src/usr.sbin/mtree/specspec.c,v 1.6 2005/03/29 11:44:17 tobez Exp $");
  29
  30 #include <sys/param.h>
  31 #include <err.h>
  32 #include <grp.h>
  33 #include <pwd.h>
  34 #include <stdio.h>
  35 #include <stdint.h>
  36 #include <unistd.h>
  37 #include "metrics.h"
  38 #include "mtree.h"
  39 #include "extern.h"
  40
  41 #define FF(a, b, c, d) \
  42         (((a)->flags & (c)) && ((b)->flags & (c)) && ((a)->d) != ((b)->d))
  43 #define FS(a, b, c, d) \
  44         (((a)->flags & (c)) && ((b)->flags & (c)) && strcmp((a)->d,(b)->d))
  45 #define FM(a, b, c, d) \
  46         (((a)->flags & (c)) && ((b)->flags & (c)) && memcmp(&(a)->d,&(b)->d, sizeof (a)->d))
  47
  48 static void
  49 shownode(NODE *n, int f, char const *path)
  50 {
  51         struct group *gr;
  52         struct passwd *pw;
  53
  54         printf("%s%s %s", path, n->name, ftype(n->type));
  55         if (f & F_CKSUM)
  56                 printf(" cksum=%lu", n->cksum);
  57         if (f & F_GID)
  58                 printf(" gid=%d", n->st_gid);
  59         if (f & F_GNAME) {
  60                 gr = getgrgid(n->st_gid);
  61                 if (gr == NULL)
  62                         printf(" gid=%d", n->st_gid);
  63                 else
  64                         printf(" gname=%s", gr->gr_name);
  65         }
  66         if (f & F_MODE)
  67                 printf(" mode=%o", n->st_mode);
  68         if (f & F_NLINK)
  69                 printf(" nlink=%d", n->st_nlink);
  70         if (f & F_SIZE)
  71                 printf(" size=%jd", (intmax_t)n->st_size);
  72         if (f & F_TIME)
  73                 printf(" time=%ld.%09ld", n->st_mtimespec.tv_sec, n->st_mtimespec.tv_nsec);
  74         if (f & F_UID)
  75                 printf(" uid=%d", n->st_uid);
  76         if (f & F_UNAME) {
  77                 pw = getpwuid(n->st_uid);
  78                 if (pw == NULL)
  79                         printf(" uid=%d", n->st_uid);
  80                 else
  81                         printf(" uname=%s", pw->pw_name);
  82         }
  83         if (f & F_MD5)
  84                 printf(" md5digest=%s", n->md5digest);
  85         if (f & F_SHA1)
  86                 printf(" sha1digest=%s", n->sha1digest);
  87         if (f & F_RMD160)
  88                 printf(" rmd160digest=%s", n->rmd160digest);
  89         if (f & F_SHA256)
  90                 printf(" sha256digest=%s", n->sha256digest);
  91         if (f & F_FLAGS)
  92                 printf(" flags=%s", flags_to_string(n->st_flags));
  93         if (f & F_BTIME)
  94                 printf(" btime=%ld.%09ld", n->st_birthtimespec.tv_sec, n->st_birthtimespec.tv_nsec);
  95         if (f & F_ATIME)
  96                 printf(" atime=%ld.%09ld", n->st_atimespec.tv_sec, n->st_atimespec.tv_nsec);
  97         if (f & F_CTIME)
  98                 printf(" ctime=%ld.%09ld", n->st_ctimespec.tv_sec, n->st_ctimespec.tv_nsec);
  99         if (f & F_PTIME)
 100                 printf(" ptime=%ld.%09ld", n->st_ptimespec.tv_sec, n->st_ptimespec.tv_nsec);
 101         if (f & F_XATTRS)
 102                 printf(" xattrsdigest=%s.%llu", n->xattrsdigest, n->xdstream_priv_id);
 103         if (f & F_INODE)
 104                 printf(" inode=%llu", n->st_ino);
 105         if (f & F_ACL)
 106                 printf(" acldigest=%s", n->acldigest);
 107         if (f & F_SIBLINGID)
 108                 printf(" siblingid=%llu", n->sibling_id);
 109
 110         printf("\n");
 111 }
 112
 113 static int
 114 mismatch(NODE *n1, NODE *n2, int differ, char const *path)
 115 {
 116
 117         if (n2 == NULL) {
 118                 shownode(n1, differ, path);
 119                 return (1);
 120         }
 121         if (n1 == NULL) {
 122                 printf("\t");
 123                 shownode(n2, differ, path);
 124                 return (1);
 125         }
 126         if (!(differ & keys))
 127                 return(0);
 128         printf("\t\t");
 129         shownode(n1, differ, path);
 130         printf("\t\t");
 131         shownode(n2, differ, path);
 132         return (1);
 133 }
 134
 135 static int
 136 compare_nodes(NODE *n1, NODE *n2, char const *path)
 137 {
 138         int differs;
 139
 140         if (n1 != NULL && n1->type == F_LINK)
 141                 n1->flags &= ~F_MODE;
 142         if (n2 != NULL && n2->type == F_LINK)
 143                 n2->flags &= ~F_MODE;
 144         differs = 0;
 145         if ((n1 == NULL) && (n2 == NULL)) {
 146                 return 0;
 147         } else if (n1 == NULL) {
 148                 differs = n2->flags;
 149                 RECORD_FAILURE(111, WARN_MISMATCH);
 150                 mismatch(n1, n2, differs, path);
 151                 return (1);
 152         } else if (n2 == NULL) {
 153                 differs = n1->flags;
 154                 RECORD_FAILURE(112, WARN_MISMATCH);
 155                 mismatch(n1, n2, differs, path);
 156                 return (1);
 157         } else if (n1->type != n2->type) {
 158                 differs = 0;
 159                 RECORD_FAILURE(113, WARN_MISMATCH);
 160                 mismatch(n1, n2, differs, path);
 161                 return (1);
 162         }
 163         if (FF(n1, n2, F_CKSUM, cksum))
 164                 differs |= F_CKSUM;
 165         if (FF(n1, n2, F_GID, st_gid))
 166                 differs |= F_GID;
 167         if (FF(n1, n2, F_GNAME, st_gid))
 168                 differs |= F_GNAME;
 169         if (FF(n1, n2, F_MODE, st_mode))
 170                 differs |= F_MODE;
 171         if (FF(n1, n2, F_NLINK, st_nlink))
 172                 differs |= F_NLINK;
 173         if (FF(n1, n2, F_SIZE, st_size))
 174                 differs |= F_SIZE;
 175         if (FS(n1, n2, F_SLINK, slink))
 176                 differs |= F_SLINK;
 177         if (FM(n1, n2, F_TIME, st_mtimespec))
 178                 differs |= F_TIME;
 179         if (FF(n1, n2, F_UID, st_uid))
 180                 differs |= F_UID;
 181         if (FF(n1, n2, F_UNAME, st_uid))
 182                 differs |= F_UNAME;
 183         if (FS(n1, n2, F_MD5, md5digest))
 184                 differs |= F_MD5;
 185         if (FS(n1, n2, F_SHA1, sha1digest))
 186                 differs |= F_SHA1;
 187         if (FS(n1, n2, F_RMD160, rmd160digest))
 188                 differs |= F_RMD160;
 189         if (FS(n1, n2, F_SHA256, sha256digest))
 190                 differs |= F_SHA256;
 191         if (FF(n1, n2, F_FLAGS, st_flags))
 192                 differs |= F_FLAGS;
 193         if (FM(n1, n2, F_BTIME, st_birthtimespec))
 194                 differs |= F_BTIME;
 195         if (FM(n1, n2, F_ATIME, st_atimespec))
 196                 differs |= F_ATIME;
 197         if (FM(n1, n2, F_CTIME, st_ctimespec))
 198                 differs |= F_CTIME;
 199         if (FM(n1, n2, F_PTIME, st_ptimespec))
 200                 differs |= F_PTIME;
 201         if (FS(n1, n2, F_XATTRS, xattrsdigest))
 202                 differs |= F_XATTRS;
 203         if (FF(n1, n2, F_INODE, st_ino))
 204                 differs |= F_INODE;
 205         if (FS(n1, n2, F_ACL, acldigest))
 206                 differs |= F_ACL;
 207         if (FF(n1, n2, F_SIBLINGID, sibling_id))
 208                 differs |= F_SIBLINGID;
 209
 210         if (differs) {
 211                 RECORD_FAILURE(114, WARN_MISMATCH);
 212                 mismatch(n1, n2, differs, path);
 213                 return (1);
 214         }
 215         return (0);
 216 }
 217 static int
 218 walk_in_the_forest(NODE *t1, NODE *t2, char const *path)
 219 {
 220         int r, i, c;
 221         NODE *c1, *c2, *n1, *n2;
 222         char *np;
 223
 224         r = 0;
 225
 226         if (t1 != NULL)
 227                 c1 = t1->child;
 228         else
 229                 c1 = NULL;
 230         if (t2 != NULL)
 231                 c2 = t2->child;
 232         else
 233                 c2 = NULL;
 234         while (c1 != NULL || c2 != NULL) {
 235                 n1 = n2 = NULL;
 236                 if (c1 != NULL)
 237                         n1 = c1->next;
 238                 if (c2 != NULL)
 239                         n2 = c2->next;
 240                 if (c1 != NULL && c2 != NULL) {
 241                         if (c1->type != F_DIR && c2->type == F_DIR) {
 242                                 n2 = c2;
 243                                 c2 = NULL;
 244                         } else if (c1->type == F_DIR && c2->type != F_DIR) {
 245                                 n1 = c1;
 246                                 c1 = NULL;
 247                         } else {
 248                                 i = strcmp(c1->name, c2->name);
 249                                 if (i > 0) {
 250                                         n1 = c1;
 251                                         c1 = NULL;
 252                                 } else if (i < 0) {
 253                                         n2 = c2;
 254                                         c2 = NULL;
 255                                 }
 256                         }
 257                 }
 258                 if (c1 == NULL && c2->type == F_DIR) {
 259                         asprintf(&np, "%s%s/", path, c2->name);
 260                         i = walk_in_the_forest(c1, c2, np);
 261                         if (i) {
 262                                 RECORD_FAILURE(115, WARN_MISMATCH);
 263                         }
 264                         free(np);
 265                         c = compare_nodes(c1, c2, path);
 266                         if (c) {
 267                                 RECORD_FAILURE(116, WARN_MISMATCH);
 268                         }
 269                         i += c;
 270                 } else if (c2 == NULL && c1->type == F_DIR) {
 271                         asprintf(&np, "%s%s/", path, c1->name);
 272                         i = walk_in_the_forest(c1, c2, np);
 273                         if (i) {
 274                                 RECORD_FAILURE(117, WARN_MISMATCH);
 275                         }
 276                         free(np);
 277                         c = compare_nodes(c1, c2, path);
 278                         if (c) {
 279                                 RECORD_FAILURE(118, WARN_MISMATCH);
 280                         }
 281                         i += c;
 282                 } else if (c1 == NULL || c2 == NULL) {
 283                         i = compare_nodes(c1, c2, path);
 284                         if (i) {
 285                                 RECORD_FAILURE(119, WARN_MISMATCH);
 286                         }
 287                 } else if (c1->type == F_DIR && c2->type == F_DIR) {
 288                         asprintf(&np, "%s%s/", path, c1->name);
 289                         i = walk_in_the_forest(c1, c2, np);
 290                         if (i) {
 291                                 RECORD_FAILURE(120, WARN_MISMATCH);
 292                         }
 293                         free(np);
 294                         c = compare_nodes(c1, c2, path);
 295                         if (c) {
 296                                 RECORD_FAILURE(121, WARN_MISMATCH);
 297                         }
 298                         i += c;
 299                 } else {
 300                         i = compare_nodes(c1, c2, path);
 301                         if (i) {
 302                                 RECORD_FAILURE(122, WARN_MISMATCH);
 303                         }
 304                 }
 305                 r += i;
 306                 c1 = n1;
 307                 c2 = n2;
 308         }
 309         return (r);
 310 }
 311
 312 int
 313 mtree_specspec(FILE *fi, FILE *fj)
 314 {
 315         int rval;
 316         NODE *root1, *root2;
 317
 318         root1 = mtree_readspec(fi);
 319         root2 = mtree_readspec(fj);
 320         rval = walk_in_the_forest(root1, root2, "");
 321         rval += compare_nodes(root1, root2, "");
 322         if (rval > 0) {
 323                 RECORD_FAILURE(123, WARN_MISMATCH);
 324                 return (MISMATCHEXIT);
 325         }
 326         return (0);
 327 }