diff options
Diffstat (limited to 'usr.sbin/smtpd/newaliases.c')
| -rw-r--r-- | usr.sbin/smtpd/newaliases.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/usr.sbin/smtpd/newaliases.c b/usr.sbin/smtpd/newaliases.c deleted file mode 100644 index 5634541074a..00000000000 --- a/usr.sbin/smtpd/newaliases.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Copyright (c) 2008 Gilles Chehade <gilles@openbsd.org> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/tree.h> -#include <sys/queue.h> -#include <sys/param.h> - -#include <sys/socket.h> - -#include <ctype.h> -#include <db.h> -#include <err.h> -#include <errno.h> -#include <event.h> -#include <fcntl.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <util.h> - -#include "smtpd.h" - -extern char *__progname; - -__dead void usage(void); -int parse_aliases(const char *); -int parse_entry(char *, size_t, size_t); - -DB *db; - -int -main(int argc, char *argv[]) -{ - char dbname[MAXPATHLEN]; - int ch; - - if (argc != 1) - usage(); - - if (strlcpy(dbname, PATH_ALIASESDB ".XXXXXXXXXXX", MAXPATHLEN) - >= MAXPATHLEN) - errx(1, "path truncation"); - if (mkstemp(dbname) == -1) - err(1, "mkstemp"); - - db = dbopen(dbname, O_EXLOCK|O_RDWR|O_SYNC, 0644, DB_HASH, NULL); - if (db == NULL) { - warn("dbopen: %s", dbname); - goto bad; - } - - if (! parse_aliases(PATH_ALIASES)) - goto bad; - - if (db->close(db) == -1) { - warn("dbclose: %s", dbname); - goto bad; - } - - if (chmod(dbname, 0644) == -1) { - warn("chmod: %s", dbname); - goto bad; - } - - if (rename(dbname, PATH_ALIASESDB) == -1) { - warn("rename"); - goto bad; - } - - return 0; -bad: - unlink(dbname); - return 1; -} - -int -parse_aliases(const char *filename) -{ - FILE *fp; - char *line; - size_t len; - size_t lineno = 0; - char delim[] = { '\\', '\\', '#' }; - - fp = fopen(filename, "r"); - if (fp == NULL) { - warn("%s", filename); - return 0; - } - - while ((line = fparseln(fp, &len, &lineno, delim, 0)) != NULL) { - if (len == 0) - continue; - if (! parse_entry(line, len, lineno)) { - free(line); - fclose(fp); - return 0; - } - free(line); - } - - fclose(fp); - return 1; -} - -int -parse_entry(char *line, size_t len, size_t lineno) -{ - char *name; - char *rcpt; - char *endp; - char *subrcpt; - DBT key; - DBT val; - - name = line; - rcpt = strchr(line, ':'); - if (rcpt == NULL) - goto bad; - *rcpt++ = '\0'; - - /* name: strip initial whitespace. */ - while (isspace(*name)) - ++name; - if (*name == '\0') - goto bad; - - /* name: strip trailing whitespace. */ - endp = name + strlen(name) - 1; - while (name < endp && isspace(*endp)) - *endp-- = '\0'; - - /* Check for dups. */ - key.data = name; - key.size = strlen(name) + 1; - if (db->get(db, &key, &val, 0) == 0) { - warnx("%s:%zd: duplicate entry for %s", PATH_ALIASES, lineno, - key.data); - return 0; - } - - /* At this point name and rcpt are non-zero nul-terminated strings. */ - while ((subrcpt = strsep(&rcpt, ",")) != NULL) { - struct alias alias; - void *p; - - /* subrcpt: strip initial whitespace. */ - while (isspace(*subrcpt)) - ++subrcpt; - if (*subrcpt == '\0') - goto bad; - - /* subrcpt: strip trailing whitespace. */ - endp = subrcpt + strlen(subrcpt) - 1; - while (subrcpt < endp && isspace(*endp)) - *endp-- = '\0'; - - if (! alias_parse(&alias, subrcpt)) - goto bad; - - key.data = name; - key.size = strlen(name) + 1; - val.data = NULL; - val.size = 0; - if (db->get(db, &key, &val, 0) == -1) { - warn("dbget"); - return 0; - } - - p = calloc(1, val.size + sizeof(struct alias)); - if (p == NULL) { - warn("calloc"); - return 0; - } - memcpy(p, val.data, val.size); - memcpy((u_int8_t *)p + val.size, &alias, sizeof(struct alias)); - - val.data = p; - val.size += sizeof(struct alias); - if (db->put(db, &key, &val, 0) == -1) { - warn("dbput"); - free(p); - return 0; - } - - free(p); - } - - return 1; - -bad: - /* The actual line is not printed; it may be mangled by above code. */ - warnx("%s:%zd: invalid entry", PATH_ALIASES, lineno); - return 0; -} - -void -usage(void) -{ - fprintf(stderr, "usage: %s\n", __progname); - exit(1); -} |