diff options
Diffstat (limited to 'usr.bin/cap_mkdb/cap_mkdb.c')
| -rw-r--r-- | usr.bin/cap_mkdb/cap_mkdb.c | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/usr.bin/cap_mkdb/cap_mkdb.c b/usr.bin/cap_mkdb/cap_mkdb.c deleted file mode 100644 index f809c86..0000000 --- a/usr.bin/cap_mkdb/cap_mkdb.c +++ /dev/null @@ -1,250 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1992, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)cap_mkdb.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/stat.h> - -#include <db.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -void db_build __P((char **)); -void dounlink __P((void)); -void usage __P((void)); - -DB *capdbp; -int verbose; -char *capdb, *capname, buf[8 * 1024]; - -/* - * Mkcapdb creates a capability hash database for quick retrieval of capability - * records. The database contains 2 types of entries: records and references - * marked by the first byte in the data. A record entry contains the actual - * capability record whereas a reference contains the name (key) under which - * the correct record is stored. - */ -int -main(argc, argv) - int argc; - char *argv[]; -{ - int c; - - capname = NULL; - while ((c = getopt(argc, argv, "f:v")) != EOF) { - switch(c) { - case 'f': - capname = optarg; - break; - case 'v': - verbose = 1; - break; - case '?': - default: - usage(); - } - } - argc -= optind; - argv += optind; - - if (*argv == NULL) - usage(); - - /* - * The database file is the first argument if no name is specified. - * Make arrangements to unlink it if exit badly. - */ - (void)snprintf(buf, sizeof(buf), "%s.db", capname ? capname : *argv); - if ((capname = strdup(buf)) == NULL) - err(1, ""); - if ((capdbp = dbopen(capname, - O_CREAT | O_TRUNC | O_RDWR, DEFFILEMODE, DB_HASH, NULL)) == NULL) - err(1, "%s", buf); - - if (atexit(dounlink)) - err(1, "atexit"); - - db_build(argv); - - if (capdbp->close(capdbp) < 0) - err(1, "%s", capname); - capname = NULL; - exit(0); -} - -void -dounlink() -{ - if (capname != NULL) - (void)unlink(capname); -} - -/* - * Any changes to these definitions should be made also in the getcap(3) - * library routines. - */ -#define RECOK (char)0 -#define TCERR (char)1 -#define SHADOW (char)2 - -/* - * Db_build() builds the name and capabilty databases according to the - * details above. - */ -void -db_build(ifiles) - char **ifiles; -{ - DBT key, data; - recno_t reccnt; - size_t len, bplen; - int st; - char *bp, *p, *t; - - data.data = NULL; - key.data = NULL; - for (reccnt = 0, bplen = 0; (st = cgetnext(&bp, ifiles)) > 0;) { - - /* - * Allocate enough memory to store record, terminating - * NULL and one extra byte. - */ - len = strlen(bp); - if (bplen <= len + 2) { - bplen += MAX(256, len + 2); - if ((data.data = realloc(data.data, bplen)) == NULL) - err(1, ""); - } - - /* Find the end of the name field. */ - if ((p = strchr(bp, ':')) == NULL) { - warnx("no name field: %.*s", MIN(len, 20), bp); - continue; - } - - /* First byte of stored record indicates status. */ - switch(st) { - case 1: - ((char *)(data.data))[0] = RECOK; - break; - case 2: - ((char *)(data.data))[0] = TCERR; - warnx("Record not tc expanded: %.*s", p - bp, bp); - break; - } - - /* Create the stored record. */ - memmove(&((u_char *)(data.data))[1], bp, len + 1); - data.size = len + 2; - - /* Store the record under the name field. */ - key.data = bp; - key.size = p - bp; - - switch(capdbp->put(capdbp, &key, &data, R_NOOVERWRITE)) { - case -1: - err(1, "put"); - /* NOTREACHED */ - case 1: - warnx("ignored duplicate: %.*s", - key.size, (char *)key.data); - continue; - } - ++reccnt; - - /* If only one name, ignore the rest. */ - if ((p = strchr(bp, '|')) == NULL) - continue; - - /* The rest of the names reference the entire name. */ - ((char *)(data.data))[0] = SHADOW; - memmove(&((u_char *)(data.data))[1], key.data, key.size); - data.size = key.size + 1; - - /* Store references for other names. */ - for (p = t = bp;; ++p) { - if (p > t && (*p == ':' || *p == '|')) { - key.size = p - t; - key.data = t; - switch(capdbp->put(capdbp, - &key, &data, R_NOOVERWRITE)) { - case -1: - err(1, "put"); - /* NOTREACHED */ - case 1: - warnx("ignored duplicate: %.*s", - key.size, (char *)key.data); - } - t = p + 1; - } - if (*p == ':') - break; - } - } - - switch(st) { - case -1: - err(1, "file argument"); - /* NOTREACHED */ - case -2: - errx(1, "potential reference loop detected"); - /* NOTREACHED */ - } - - if (verbose) - (void)printf("cap_mkdb: %d capability records\n", reccnt); -} - -void -usage() -{ - (void)fprintf(stderr, - "usage: cap_mkdb [-v] [-f outfile] file1 [file2 ...]\n"); - exit(1); -} |
