int
main(int argc, char **argv, char **envp)
{
FILE *config;
char *line, *cp, *from, *to, *ap;
const char *progname;
size_t len, lineno = 0;
int i;
struct arglist al;
/* change progname to mailwrapper so we get sensible error messages */
progname = getprogname();
setprogname("mailwrapper");
if ((config = fopen(_PATH_MAILERCONF, "r")) == NULL) {
openlog("mailwrapper", LOG_PID, LOG_MAIL);
syslog(LOG_INFO, "can't open %s, using %s as default MTA",
_PATH_MAILERCONF, _PATH_DEFAULTMTA);
closelog();
execve(_PATH_DEFAULTMTA, argv, envp);
err(1, "cannot exec %s", _PATH_DEFAULTMTA);
/*NOTREACHED*/
}
initarg(&al);
addarg(&al, argv[0], 0);
for (;;) {
if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL) {
if (feof(config))
errx(1, "no mapping in %s", _PATH_MAILERCONF);
err(1, NULL);
}
#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);
}
fclose(config);
for (i = 1; i < argc; i++)
addarg(&al, argv[i], 0);
addarg(&al, NULL, 0);
execve(to, al.argv, envp);
err(1, "cannot exec %s", to);
/*NOTREACHED*/
parse_error:
errx(1, "parse error in %s at line %lu",
_PATH_MAILERCONF, (u_long)lineno);
/*NOTREACHED*/
}
void start_login(const char *host, int autologin, const char *name) {
struct argv_stuff avs;
char *const *argvfoo;
(void)autologin;
initarg(&avs);
/*
* -h : pass on name of host.
* WARNING: -h is accepted by login if and only if
* getuid() == 0.
* -p : don't clobber the environment (so terminal type stays set).
*
* -f : force this login, he has already been authenticated
*/
addarg(&avs, loginprg);
addarg(&avs, "-h");
addarg(&avs, host);
#if !defined(NO_LOGIN_P)
addarg(&avs, "-p");
#endif
#ifdef BFTPDAEMON
/*
* Are we working as the bftp daemon? If so, then ask login
* to start bftp instead of shell.
*/
if (bftpd) {
addarg(&avs, "-e");
addarg(&avs, BFTPPATH);
}
else
#endif
{
#if defined (SecurID)
/*
* don't worry about the -f that might get sent.
* A -s is supposed to override it anyhow.
*/
if (require_SecurID) addarg(&avs, "-s");
#endif
if (*name=='-') {
syslog(LOG_ERR, "Attempt to login with an option!");
name = "";
}
#if defined (AUTHENTICATE)
if (auth_level >= 0 && autologin == AUTH_VALID) {
# if !defined(NO_LOGIN_F)
addarg(&avs, "-f");
# endif
addarg(&avs, name);
}
else
#endif
{
if (getenv("USER")) {
addarg(&avs, getenv("USER"));
if (*getenv("USER") == '-') {
write(1,"I don't hear you!\r\n",19);
syslog(LOG_ERR,"Attempt to login with an option!");
exit(1);
}
}
}
}
closelog();
/* execv() should really take char const* const *, but it can't */
/*argvfoo = argv*/;
memcpy(&argvfoo, &avs.argv, sizeof(argvfoo));
execv(loginprg, argvfoo);
openlog("telnetd", LOG_PID | LOG_ODELAY, LOG_DAEMON);
syslog(LOG_ERR, "%s: %m\n", loginprg);
closelog();
fatalperror(net, loginprg);
}
void
main(int argc, char *argv[])
{
int i, err;
Arg *ap;
Binit(&bout, 1, OWRITE);
err = 0;
ap = 0;
while(argc>1 && argv[1][0]=='-' && argv[1][1]){
--argc;
argv++;
argv[0]++;
if(argv[0][0] == 'r'){
repeats = 1;
if(argv[0][1])
goto Usage;
continue;
}
if(argv[0][0] == 's'){
swizzle = 1;
if(argv[0][1])
goto Usage;
continue;
}
if(argv[0][0] == 'u'){
flush = 1;
if(argv[0][1])
goto Usage;
continue;
}
if(argv[0][0] == 'a'){
argv[0]++;
switch(argv[0][0]){
case 'o':
abase = 0;
break;
case 'd':
abase = 1;
break;
case 'x':
abase = 2;
break;
default:
goto Usage;
}
if(argv[0][1])
goto Usage;
continue;
}
ap = &arg[narg];
initarg();
while(argv[0][0]){
switch(argv[0][0]){
case 'c':
ap->chartype = TAscii;
ap->loglen = 0;
if(argv[0][1] || argv[0][-1]!='-')
goto Usage;
break;
case 'R':
ap->chartype = TRune;
ap->loglen = 0;
if(argv[0][1] || argv[0][-1]!='-')
goto Usage;
break;
case 'o':
ap->base = 0;
break;
case 'd':
ap->base = 1;
break;
case 'x':
ap->base = 2;
break;
case 'b':
case '1':
ap->loglen = 0;
break;
case 'w':
case '2':
ap->loglen = 1;
break;
case 'l':
case '4':
ap->loglen = 2;
break;
case 'v':
case '8':
ap->loglen = 3;
break;
default:
Usage:
fprint(2, "usage: xd [-u] [-r] [-s] [-a{odx}] [-c|{b1w2l4v8}{odx}] ... file ...\n");
exits("usage");
}
argv[0]++;
}
if(ap->chartype == TRune)
ap->fn = fmtr;
else if(ap->chartype == TAscii)
ap->fn = fmtc;
else
ap->fn = fmt[ap->loglen];
ap->fmt = dfmt[ap->loglen][ap->base];
ap->afmt = afmt[ap>arg][abase];
}
if(narg == 0)
initarg();
if(argc == 1)
err = xd(0, 0);
else if(argc == 2)
err = xd(argv[1], 0);
else for(i=1; i<argc; i++)
err |= xd(argv[i], 1);
exits(err? "error" : 0);
}
int
main(int argc, char *argv[], char *envp[])
{
FILE *config;
char *line, *cp, *from, *to, *ap;
const char *progname;
char localmailerconf[MAXPATHLEN];
const char *mailerconf;
size_t len, lineno = 0;
int i;
struct arglist al;
/* change __progname to mailwrapper so we get sensible error messages */
progname = getprogname();
setprogname("mailwrapper");
initarg(&al);
addarg(&al, argv[0]);
snprintf(localmailerconf, MAXPATHLEN, "%s/etc/mail/mailer.conf",
getenv("LOCALBASE") ? getenv("LOCALBASE") : "/usr/local");
mailerconf = localmailerconf;
if ((config = fopen(localmailerconf, "r")) == NULL)
mailerconf = _PATH_MAILERCONF;
if (config == NULL && ((config = fopen(mailerconf, "r")) == NULL)) {
addarg(&al, NULL);
openlog(getprogname(), LOG_PID, LOG_MAIL);
syslog(LOG_INFO, "cannot open %s, using %s as default MTA",
mailerconf, _PATH_DEFAULTMTA);
closelog();
execve(_PATH_DEFAULTMTA, al.argv, envp);
err(EX_OSERR, "cannot exec %s", _PATH_DEFAULTMTA);
/*NOTREACHED*/
}
for (;;) {
if ((line = fparseln(config, &len, &lineno, NULL, 0)) == NULL) {
if (feof(config))
errx(EX_CONFIG, "no mapping in %s", mailerconf);
err(EX_CONFIG, "cannot parse line %lu", (u_long)lineno);
}
#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 || cp == 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);
}
break;
}
free(line);
}
(void)fclose(config);
for (i = 1; i < argc; i++)
addarg(&al, argv[i]);
addarg(&al, NULL);
execve(to, al.argv, envp);
err(EX_OSERR, "cannot exec %s", to);
/*NOTREACHED*/
parse_error:
errx(EX_CONFIG, "parse error in %s at line %lu",
mailerconf, (u_long)lineno);
/*NOTREACHED*/
}
