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/*
* Copyright (c) 1998 Sendmail, Inc. All rights reserved.
* Copyright (c) 1983 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1988, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)praliases.c 8.17 (Berkeley) 6/25/98";
#endif /* not lint */
#if !defined(NDBM) && !defined(NEWDB)
ERROR README: You must define one of NDBM or NEWDB in order to compile
ERROR README: praliases.
#endif
#ifdef NDBM
# include <ndbm.h>
#endif
#ifndef NOT_SENDMAIL
# define NOT_SENDMAIL
#endif
#include <sendmail.h>
#ifdef NEWDB
# include <db.h>
# ifndef DB_VERSION_MAJOR
# define DB_VERSION_MAJOR 1
# endif
#endif
#if defined(IRIX64) || defined(IRIX5) || defined(IRIX6) || \
defined(BSD4_4) || defined(__osf__) || defined(__GNU_LIBRARY__)
# ifndef HASSTRERROR
# define HASSTRERROR 1 /* has strerror(3) */
# endif
#endif
#if !HASSTRERROR
extern char *strerror __P((int));
#endif
int
main(argc, argv)
int argc;
char **argv;
{
extern char *optarg;
extern int optind;
#ifdef NDBM
DBM *dbp;
datum content, key;
#endif
char *filename;
int ch;
#ifdef NEWDB
DB *db;
DBT newdbkey, newdbcontent;
char buf[MAXNAME];
#endif
filename = "/etc/aliases";
while ((ch = getopt(argc, argv, "f:")) != EOF)
switch((char)ch) {
case 'f':
filename = optarg;
break;
case '?':
default:
(void)fprintf(stderr, "usage: praliases [-f file]\n");
exit(EX_USAGE);
}
argc -= optind;
argv += optind;
#ifdef NEWDB
if (strlen(filename) + 4 >= sizeof buf)
{
fprintf(stderr, "Alias filename too long: %.30s...\n", filename);
exit(EX_USAGE);
}
(void) strcpy(buf, filename);
(void) strcat(buf, ".db");
# if DB_VERSION_MAJOR < 2
db = dbopen(buf, O_RDONLY, 0444, DB_HASH, NULL);
# else
db = NULL;
errno = db_open(buf, DB_HASH, DB_RDONLY, 0444, NULL, NULL, &db);
# endif
if (db != NULL)
{
if (!argc) {
# if DB_VERSION_MAJOR > 1
DBC *dbc;
# endif
bzero(&newdbkey, sizeof newdbkey);
bzero(&newdbcontent, sizeof newdbcontent);
# if DB_VERSION_MAJOR < 2
while(!db->seq(db, &newdbkey, &newdbcontent, R_NEXT))
# else
if ((errno = db->cursor(db, NULL, &dbc)) == 0)
{
while ((errno = dbc->c_get(dbc, &newdbkey,
&newdbcontent,
DB_NEXT)) == 0)
# endif
printf("%.*s:%.*s\n",
(int) newdbkey.size,
(char *) newdbkey.data,
(int) newdbcontent.size,
(char *) newdbcontent.data);
# if DB_VERSION_MAJOR > 1
(void) dbc->c_close(dbc);
}
else
{
fprintf(stderr,
"praliases: %s: Could not set cursor: %s\n",
buf, strerror(errno));
exit(EX_DATAERR);
}
# endif
}
else for (; *argv; ++argv) {
bzero(&newdbkey, sizeof newdbkey);
bzero(&newdbcontent, sizeof newdbcontent);
newdbkey.data = *argv;
newdbkey.size = strlen(*argv) + 1;
# if DB_VERSION_MAJOR < 2
if (!db->get(db, &newdbkey, &newdbcontent, 0))
# else
if ((errno = db->get(db, NULL, &newdbkey,
&newdbcontent, 0)) == 0)
# endif
printf("%s:%.*s\n", (char *) newdbkey.data,
(int) newdbcontent.size,
(char *) newdbcontent.data);
else
printf("%s: No such key\n",
(char *) newdbkey.data);
}
# if DB_VERSION_MAJOR < 2
(void)db->close(db);
# else
errno = db->close(db, 0);
# endif
}
else {
#endif
#ifdef NDBM
if ((dbp = dbm_open(filename, O_RDONLY, 0)) == NULL) {
(void)fprintf(stderr,
"praliases: %s: %s\n", filename, strerror(errno));
exit(EX_OSFILE);
}
if (!argc)
for (key = dbm_firstkey(dbp);
key.dptr != NULL; key = dbm_nextkey(dbp)) {
content = dbm_fetch(dbp, key);
(void)printf("%.*s:%.*s\n",
(int) key.dsize, key.dptr,
(int) content.dsize, content.dptr);
}
else for (; *argv; ++argv) {
key.dptr = *argv;
key.dsize = strlen(*argv) + 1;
content = dbm_fetch(dbp, key);
if (!content.dptr)
(void)printf("%s: No such key\n", key.dptr);
else
(void)printf("%s:%.*s\n", key.dptr,
(int) content.dsize, content.dptr);
}
dbm_close(dbp);
#endif
#ifdef NEWDB
}
#endif
exit(EX_OK);
}
#if !HASSTRERROR
char *
strerror(eno)
int eno;
{
extern int sys_nerr;
extern char *sys_errlist[];
static char ebuf[60];
if (eno >= 0 && eno < sys_nerr)
return sys_errlist[eno];
(void) sprintf(ebuf, "Error %d", eno);
return ebuf;
}
#endif /* !HASSTRERROR */
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