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compare.c revision 1.1
      1 /*-
      2  * Copyright (c) 1989 The Regents of the University of California.
      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  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 static char sccsid[] = "@(#)compare.c	5.7 (Berkeley) 5/25/90";
     36 #endif /* not lint */
     37 
     38 #include <sys/param.h>
     39 #include <sys/stat.h>
     40 #include <fts.h>
     41 #include <errno.h>
     42 #include <stdio.h>
     43 #include <time.h>
     44 #include "mtree.h"
     45 
     46 #define	LABEL \
     47 	if (!label++) \
     48 		(void)printf("%s: ", RP(p)); \
     49 
     50 compare(name, s, p)
     51 	char *name;
     52 	register NODE *s;
     53 	register FTSENT *p;
     54 {
     55 	extern int exitval, uflag;
     56 	int label;
     57 	char *ftype(), *inotype(), *rlink();
     58 
     59 	label = 0;
     60 	switch(s->type) {
     61 	case F_BLOCK:
     62 		if (!S_ISBLK(p->fts_statb.st_mode))
     63 			goto typeerr;
     64 		break;
     65 	case F_CHAR:
     66 		if (!S_ISCHR(p->fts_statb.st_mode))
     67 			goto typeerr;
     68 		break;
     69 	case F_DIR:
     70 		if (!S_ISDIR(p->fts_statb.st_mode))
     71 			goto typeerr;
     72 		break;
     73 	case F_FIFO:
     74 		if (!S_ISFIFO(p->fts_statb.st_mode))
     75 			goto typeerr;
     76 		break;
     77 	case F_FILE:
     78 		if (!S_ISREG(p->fts_statb.st_mode))
     79 			goto typeerr;
     80 		break;
     81 	case F_LINK:
     82 		if (!S_ISLNK(p->fts_statb.st_mode))
     83 			goto typeerr;
     84 		break;
     85 	case F_SOCK:
     86 		if (!S_ISFIFO(p->fts_statb.st_mode)) {
     87 typeerr:		LABEL;
     88 			(void)printf("\n\ttype (%s, %s)",
     89 			    ftype(s->type), inotype(p->fts_statb.st_mode));
     90 		}
     91 		break;
     92 	}
     93 	if (s->flags & F_MODE && s->st_mode != (p->fts_statb.st_mode & MBITS)) {
     94 		LABEL;
     95 		(void)printf("\n\tpermissions (%#o, %#o%s",
     96 		    s->st_mode, p->fts_statb.st_mode & MBITS, uflag ? "" : ")");
     97 		if (uflag)
     98 			if (chmod(p->fts_accpath, s->st_mode))
     99 				(void)printf(", not modified: %s)",
    100 				    strerror(errno));
    101 			else
    102 				(void)printf(", modified)");
    103 	}
    104 	if (s->flags & F_OWNER && s->st_uid != p->fts_statb.st_uid) {
    105 		LABEL;
    106 		(void)printf("\n\towner (%u, %u%s",
    107 		    s->st_uid, p->fts_statb.st_uid, uflag ? "" : ")");
    108 		if (uflag)
    109 			if (chown(p->fts_accpath, s->st_uid, -1))
    110 				(void)printf(", not modified: %s)",
    111 				    strerror(errno));
    112 			else
    113 				(void)printf(", modified)");
    114 	}
    115 	if (s->flags & F_GROUP && s->st_gid != p->fts_statb.st_gid) {
    116 		LABEL;
    117 		(void)printf("\n\tgroup (%u, %u%s",
    118 		    s->st_gid, p->fts_statb.st_gid, uflag ? "" : ")");
    119 		if (uflag)
    120 			if (chown(p->fts_accpath, -1, s->st_gid))
    121 				(void)printf(", not modified: %s)",
    122 				    strerror(errno));
    123 			else
    124 				(void)printf(", modified)");
    125 	}
    126 	if (s->flags & F_NLINK && s->type != F_DIR &&
    127 	    s->st_nlink != p->fts_statb.st_nlink) {
    128 		LABEL;
    129 		(void)printf("\n\tlink count (%u, %u)",
    130 		    s->st_nlink, p->fts_statb.st_nlink);
    131 	}
    132 	if (s->flags & F_SIZE && s->st_size != p->fts_statb.st_size) {
    133 		LABEL;
    134 		(void)printf("\n\tsize (%ld, %ld)",
    135 		    s->st_size, p->fts_statb.st_size);
    136 	}
    137 	if (s->flags & F_SLINK) {
    138 		char *cp;
    139 
    140 		if (strcmp(cp = rlink(name), s->slink)) {
    141 			LABEL;
    142 			(void)printf("\n\tlink ref (%s, %s)", cp, s->slink);
    143 		}
    144 	}
    145 	if (s->flags & F_TIME && s->st_mtime != p->fts_statb.st_mtime) {
    146 		LABEL;
    147 		(void)printf("\n\tmodification time (%.24s, ",
    148 		    ctime(&s->st_mtime));
    149 		(void)printf("%.24s)", ctime(&p->fts_statb.st_mtime));
    150 	}
    151 	if (label) {
    152 		exitval = 2;
    153 		putchar('\n');
    154 	}
    155 }
    156 
    157 char *
    158 inotype(type)
    159 	mode_t type;
    160 {
    161 	switch(type & S_IFMT) {
    162 	case S_IFBLK:
    163 		return("block");
    164 	case S_IFCHR:
    165 		return("char");
    166 	case S_IFDIR:
    167 		return("dir");
    168 	case S_IFREG:
    169 		return("file");
    170 	case S_IFLNK:
    171 		return("link");
    172 	case S_IFSOCK:
    173 		return("socket");
    174 	default:
    175 		return("unknown");
    176 	}
    177 	/* NOTREACHED */
    178 }
    179 
    180 char *
    181 ftype(type)
    182 	u_int type;
    183 {
    184 	switch(type) {
    185 	case F_BLOCK:
    186 		return("block");
    187 	case F_CHAR:
    188 		return("char");
    189 	case F_DIR:
    190 		return("dir");
    191 	case F_FIFO:
    192 		return("fifo");
    193 	case F_FILE:
    194 		return("file");
    195 	case F_LINK:
    196 		return("link");
    197 	case F_SOCK:
    198 		return("socket");
    199 	default:
    200 		return("unknown");
    201 	}
    202 	/* NOTREACHED */
    203 }
    204 
    205 char *
    206 rlink(name)
    207 	char *name;
    208 {
    209 	register int len;
    210 	static char lbuf[MAXPATHLEN];
    211 
    212 	len = readlink(name, lbuf, sizeof(lbuf));
    213 	if (len == -1) {
    214 		(void)fprintf(stderr, "mtree: %s: %s.\n",
    215 		    name, strerror(errno));
    216 		exit(1);
    217 	}
    218 	lbuf[len] = '\0';
    219 	return(lbuf);
    220 }
    221