diff options
Diffstat (limited to 'usr.sbin/mailwrapper/mailwrapper.c')
| -rw-r--r-- | usr.sbin/mailwrapper/mailwrapper.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/usr.sbin/mailwrapper/mailwrapper.c b/usr.sbin/mailwrapper/mailwrapper.c deleted file mode 100644 index 4d7d67d1a8dff..0000000000000 --- a/usr.sbin/mailwrapper/mailwrapper.c +++ /dev/null @@ -1,165 +0,0 @@ -/* $NetBSD: mailwrapper.c,v 1.3 1999/05/29 18:18:15 christos Exp $ */ - -/* - * Copyright (c) 1998 - * Perry E. Metzger. 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 acknowledgment: - * This product includes software developed for the NetBSD Project - * by Perry E. Metzger. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -#include <err.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#include <util.h> - -#define _PATH_MAILERCONF "/etc/mailer.conf" - -struct arglist { - size_t argc, maxc; - char **argv; -}; - -int main __P((int, char *[], char *[])); - -static void initarg __P((struct arglist *)); -static void addarg __P((struct arglist *, const char *, int)); -static void freearg __P((struct arglist *, int)); - -extern const char *__progname; /* from crt0.o */ - -static void -initarg(al) - struct arglist *al; -{ - al->argc = 0; - al->maxc = 10; - if ((al->argv = malloc(al->maxc * sizeof(char *))) == NULL) - err(1, "mailwrapper"); -} - -static void -addarg(al, arg, copy) - struct arglist *al; - const char *arg; - int copy; -{ - if (al->argc == al->maxc) { - al->maxc <<= 1; - if ((al->argv = realloc(al->argv, - al->maxc * sizeof(char *))) == NULL) - err(1, "mailwrapper"); - } - if (copy) { - if ((al->argv[al->argc++] = strdup(arg)) == NULL) - err(1, "mailwrapper:"); - } else - al->argv[al->argc++] = (char *)arg; -} - -static void -freearg(al, copy) - struct arglist *al; - int copy; -{ - size_t i; - if (copy) - for (i = 0; i < al->argc; i++) - free(al->argv[i]); - free(al->argv); -} - -int -main(argc, argv, envp) - int argc; - char *argv[]; - char *envp[]; -{ - FILE *config; - char *line, *cp, *from, *to, *ap; - size_t len, lineno = 0; - struct arglist al; - - initarg(&al); - for (len = 0; len < argc; len++) - addarg(&al, argv[len], 0); - - if ((config = fopen(_PATH_MAILERCONF, "r")) == NULL) - err(1, "mailwrapper: can't open %s", _PATH_MAILERCONF); - - for (;;) { - if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL) { - if (feof(config)) - errx(1, "mailwrapper: no mapping in %s", - _PATH_MAILERCONF); - err(1, "mailwrapper"); - } - -#define WS " \t\n" - cp = line; - - cp += strspn(cp, WS); - if (cp[0] == '\0') { - /* empty line */ - free(line); - continue; - } - - if ((from = strsep(&cp, WS)) == NULL) - goto parse_error; - - cp += strspn(cp, WS); - - if ((to = strsep(&cp, WS)) == NULL) - goto parse_error; - - if (strcmp(from, __progname) == 0) { - for (ap = strsep(&cp, WS); ap != NULL; - ap = strsep(&cp, WS)) - if (*ap) - addarg(&al, ap, 0); - break; - } - - free(line); - } - - (void)fclose(config); - - execve(to, al.argv, envp); - freearg(&al, 0); - free(line); - err(1, "mailwrapper: execing %s", to); - /*NOTREACHED*/ -parse_error: - freearg(&al, 0); - free(line); - errx(1, "mailwrapper: parse error in %s at line %lu", - _PATH_MAILERCONF, (u_long)lineno); - /*NOTREACHED*/ -} |