diff options
Diffstat (limited to 'usr.sbin/sendmail/makemap')
| -rw-r--r-- | usr.sbin/sendmail/makemap/makemap.8 | 134 | ||||
| -rw-r--r-- | usr.sbin/sendmail/makemap/makemap.c | 496 |
2 files changed, 630 insertions, 0 deletions
diff --git a/usr.sbin/sendmail/makemap/makemap.8 b/usr.sbin/sendmail/makemap/makemap.8 new file mode 100644 index 0000000000000..23ac522a568fe --- /dev/null +++ b/usr.sbin/sendmail/makemap/makemap.8 @@ -0,0 +1,134 @@ +.\" Copyright (c) 1988, 1991, 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. +.\" +.\" @(#)makemap.8 8.3 (Berkeley) 7/24/94 +.\" +.Dd November 16, 1992 +.Dt MAKEMAP 8 +.Os BSD 4.4 +.Sh NAME +.Nm makemap +.Nd create database maps for sendmail +.Sh SYNOPSIS +.Nm +.Op Fl N +.Op Fl d +.Op Fl f +.Op Fl o +.Op Fl r +.Op Fl v +.Ar maptype +.Ar mapname +.Sh DESCRIPTION +.Nm +creates the database maps used by the keyed map lookups in +.Xr sendmail 8 . +It reads input from the standard input +and outputs them to the indicated +.Ar mapname . +.Pp +Depending on how it is compiled, +.Nm +handles up to three different database formats, +selected using the +.Ar maptype +parameter. +They may be +.Bl -tag -width Fl +.It Li dbm +DBM format maps. +This requires the +.Xr ndbm 3 +library. +.It Li btree +B-Tree format maps. +This requires the new Berkeley +.Xr db 3 +library. +.It Li hash +Hash format maps. +This also requires the +.Xr db 3 +library. +.El +.Pp +In all cases, +.Nm +reads lines from the standard input consisting of two +words separated by white space. +The first is the database key, +the second is the value. +The value may contain +``%\fIn\fP'' +strings to indicated parameter substitution. +Literal parentheses should be doubled +(``%%''). +Blank lines and lines beginning with ``#'' are ignored. +.Ss Flags +.Bl -tag -width Fl +.It Fl N +Include the null byte that terminates strings +in the map. +This must match the \-N flag in the sendmail.cf +``K'' line. +.It Fl d +Allow duplicate keys in the map. +This is only allowed on B-Tree format maps. +If two identical keys are read, +they will both be inserted into the map. +.It Fl f +Normally all upper case letters in the key +are folded to lower case. +This flag disables that behaviour. +This is intended to mesh with the +\-f flag in the +\fBK\fP +line in sendmail.cf. +The value is never case folded. +.It Fl o +Append to an old file. +This allows you to augment an existing file. +.It Fl r +Allow replacement of existing keys. +Normally +.Nm +complains if you repeat a key, +and does not do the insert. +.It Fl v +Verbosely print what it is doing. +.El +.Sh SEE ALSO +.Xr sendmail 8 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.4 . diff --git a/usr.sbin/sendmail/makemap/makemap.c b/usr.sbin/sendmail/makemap/makemap.c new file mode 100644 index 0000000000000..371b229a2175c --- /dev/null +++ b/usr.sbin/sendmail/makemap/makemap.c @@ -0,0 +1,496 @@ +/* + * Copyright (c) 1992 Eric P. Allman. + * 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 sccsid[] = "@(#)makemap.c 8.14 (Berkeley) 11/5/95"; +#endif /* not lint */ + +#include <stdio.h> +#include <sysexits.h> +#include <sys/types.h> +#include <ctype.h> +#include <string.h> +#include <sys/errno.h> +#ifndef ISC_UNIX +# include <sys/file.h> +#endif +#include "useful.h" +#include "conf.h" + +#ifdef NDBM +#include <ndbm.h> +#endif + +#ifdef NEWDB +#include <db.h> +#endif + +enum type { T_DBM, T_BTREE, T_HASH, T_ERR, T_UNKNOWN }; + +union dbent +{ +#ifdef NDBM + datum dbm; +#endif +#ifdef NEWDB + DBT db; +#endif + struct + { + char *data; + size_t size; + } xx; +}; + +#define BUFSIZE 1024 + +main(argc, argv) + int argc; + char **argv; +{ + char *progname; + bool inclnull = FALSE; + bool notrunc = FALSE; + bool allowreplace = FALSE; + bool allowdups = FALSE; + bool verbose = FALSE; + bool foldcase = TRUE; + int exitstat; + int opt; + char *typename; + char *mapname; + char *ext; + char *lext; + int lineno; + int st; + int mode; + enum type type; + int fd; + union + { +#ifdef NDBM + DBM *dbm; +#endif +#ifdef NEWDB + DB *db; +#endif + void *dbx; + } dbp; + union dbent key, val; +#ifdef NEWDB + BTREEINFO bti; +#endif + char ibuf[BUFSIZE]; + char fbuf[MAXNAME]; + char lbuf[MAXNAME]; + extern char *optarg; + extern int optind; + extern bool lockfile(); + + progname = argv[0]; + + while ((opt = getopt(argc, argv, "Ndforv")) != EOF) + { + switch (opt) + { + case 'N': + inclnull = TRUE; + break; + + case 'd': + allowdups = TRUE; + break; + + case 'f': + foldcase = FALSE; + break; + + case 'o': + notrunc = TRUE; + break; + + case 'r': + allowreplace = TRUE; + break; + + case 'v': + verbose = TRUE; + break; + + default: + type = T_ERR; + break; + } + } + + argc -= optind; + argv += optind; + if (argc != 2) + type = T_ERR; + else + { + typename = argv[0]; + mapname = argv[1]; + ext = NULL; + lext = NULL; + + if (strcmp(typename, "dbm") == 0) + { + type = T_DBM; + lext = ".dir"; + } + else if (strcmp(typename, "btree") == 0) + { + type = T_BTREE; + ext = ".db"; + } + else if (strcmp(typename, "hash") == 0) + { + type = T_HASH; + ext = ".db"; + } + else + type = T_UNKNOWN; + } + + switch (type) + { + case T_ERR: + fprintf(stderr, "Usage: %s [-N] [-d] [-f] [-o] [-r] [-v] type mapname\n", progname); + exit(EX_USAGE); + + case T_UNKNOWN: + fprintf(stderr, "%s: Unknown database type %s\n", + progname, typename); + exit(EX_USAGE); + +#ifndef NDBM + case T_DBM: +#endif +#ifndef NEWDB + case T_BTREE: + case T_HASH: +#endif + fprintf(stderr, "%s: Type %s not supported in this version\n", + progname, typename); + exit(EX_UNAVAILABLE); + +#ifdef NEWDB + case T_BTREE: + bzero(&bti, sizeof bti); + if (allowdups) + bti.flags |= R_DUP; + break; + + case T_HASH: +#endif +#ifdef NDBM + case T_DBM: +#endif + if (allowdups) + { + fprintf(stderr, "%s: Type %s does not support -d (allow dups)\n", + progname, typename); + exit(EX_UNAVAILABLE); + } + break; + } + + /* + ** Adjust file names. + */ + + if (ext != NULL) + { + int el, fl; + + el = strlen(ext); + fl = strlen(mapname); + if (fl < el || strcmp(&mapname[fl - el], ext) != 0) + { + strcpy(fbuf, mapname); + strcat(fbuf, ext); + mapname = fbuf; + } + } + + strcpy(lbuf, mapname); + if (lext != NULL) + strcat(lbuf, lext); + + /* + ** Create the database. + */ + + mode = O_RDWR; + if (!notrunc) + mode |= O_CREAT|O_TRUNC; +#ifdef O_EXLOCK + mode |= O_EXLOCK; +#else + /* pre-lock the database */ + fd = open(lbuf, mode & ~O_TRUNC, 0644); + if (fd < 0) + { + fprintf(stderr, "%s: cannot create type %s map %s\n", + progname, typename, mapname); + exit(EX_CANTCREAT); + } + (void) lockfile(fd); +#endif + switch (type) + { +#ifdef NDBM + case T_DBM: + dbp.dbm = dbm_open(mapname, mode, 0644); + break; +#endif + +#ifdef NEWDB + case T_HASH: + dbp.db = dbopen(mapname, mode, 0644, DB_HASH, NULL); + if (dbp.db != NULL) + { +# if OLD_NEWDB + (void) (*dbp.db->sync)(dbp.db); +# else + (void) (*dbp.db->sync)(dbp.db, 0); +# endif + } + break; + + case T_BTREE: + dbp.db = dbopen(mapname, mode, 0644, DB_BTREE, &bti); + if (dbp.db != NULL) + { +# if OLD_NEWDB + (void) (*dbp.db->sync)(dbp.db); +# else + (void) (*dbp.db->sync)(dbp.db, 0); +# endif + } + break; +#endif + + default: + fprintf(stderr, "%s: internal error: type %d\n", progname, type); + exit(EX_SOFTWARE); + } + + if (dbp.dbx == NULL) + { + fprintf(stderr, "%s: cannot open type %s map %s\n", + progname, typename, mapname); + exit(EX_CANTCREAT); + } + + /* + ** Copy the data + */ + + lineno = 0; + exitstat = EX_OK; + while (fgets(ibuf, sizeof ibuf, stdin) != NULL) + { + register char *p; + + lineno++; + + /* + ** Parse the line. + */ + + p = strchr(ibuf, '\n'); + if (p != NULL) + *p = '\0'; + else if (!feof(stdin)) + { + fprintf(stderr, "%s: %s: line %d: line too long (%d bytes max)\n", + progname, mapname, lineno, sizeof ibuf); + continue; + } + + if (ibuf[0] == '\0' || ibuf[0] == '#') + continue; + if (isspace(ibuf[0])) + { + fprintf(stderr, "%s: %s: line %d: syntax error (leading space)\n", + progname, mapname, lineno); + continue; + } + key.xx.data = ibuf; + for (p = ibuf; *p != '\0' && !isspace(*p); p++) + { + if (foldcase && isupper(*p)) + *p = tolower(*p); + } + key.xx.size = p - key.xx.data; + if (inclnull) + key.xx.size++; + if (*p != '\0') + *p++ = '\0'; + while (isspace(*p)) + p++; + if (*p == '\0') + { + fprintf(stderr, "%s: %s: line %d: no RHS for LHS %s\n", + progname, mapname, lineno, key.xx.data); + continue; + } + val.xx.data = p; + val.xx.size = strlen(p); + if (inclnull) + val.xx.size++; + + /* + ** Do the database insert. + */ + + if (verbose) + { + printf("key=`%s', val=`%s'\n", key.xx.data, val.xx.data); + } + + switch (type) + { +#ifdef NDBM + case T_DBM: + st = dbm_store(dbp.dbm, key.dbm, val.dbm, + allowreplace ? DBM_REPLACE : DBM_INSERT); + break; +#endif + +#ifdef NEWDB + case T_BTREE: + case T_HASH: + st = (*dbp.db->put)(dbp.db, &key.db, &val.db, + allowreplace ? 0 : R_NOOVERWRITE); + break; +#endif + } + + if (st < 0) + { + fprintf(stderr, "%s: %s: line %d: key %s: put error\n", + progname, mapname, lineno, key.xx.data); + perror(mapname); + exitstat = EX_IOERR; + } + else if (st > 0) + { + fprintf(stderr, "%s: %s: line %d: key %s: duplicate key\n", + progname, mapname, lineno, key.xx.data); + } + } + + /* + ** Now close the database. + */ + + switch (type) + { +#ifdef NDBM + case T_DBM: + dbm_close(dbp.dbm); + break; +#endif + +#ifdef NEWDB + case T_HASH: + case T_BTREE: + if ((*dbp.db->close)(dbp.db) < 0) + { + fprintf(stderr, "%s: %s: error on close\n", + progname, mapname); + perror(mapname); + exitstat = EX_IOERR; + } +#endif + } + +#ifndef O_EXLOCK + /* release locks */ + close(fd); +#endif + + exit (exitstat); +} + /* +** LOCKFILE -- lock a file using flock or (shudder) fcntl locking +** +** Parameters: +** fd -- the file descriptor of the file. +** +** Returns: +** TRUE if the lock was acquired. +** FALSE otherwise. +*/ + +bool +lockfile(fd) + int fd; +{ +# if !HASFLOCK + int action; + struct flock lfd; + extern int errno; + + bzero(&lfd, sizeof lfd); + lfd.l_type = F_WRLCK; + action = F_SETLKW; + + if (fcntl(fd, action, &lfd) >= 0) + return TRUE; + + /* + ** On SunOS, if you are testing using -oQ/tmp/mqueue or + ** -oA/tmp/aliases or anything like that, and /tmp is mounted + ** as type "tmp" (that is, served from swap space), the + ** previous fcntl will fail with "Invalid argument" errors. + ** Since this is fairly common during testing, we will assume + ** that this indicates that the lock is successfully grabbed. + */ + + if (errno == EINVAL) + return TRUE; + +# else /* HASFLOCK */ + + if (flock(fd, LOCK_EX) >= 0) + return TRUE; + +# endif + + return FALSE; +} |