socat/xioparam.c
2023-11-06 21:42:11 +01:00

94 lines
2.5 KiB
C

/* source: xioparam.c */
/* Copyright Gerhard Rieger and contributors (see file CHANGES) */
/* Published under the GNU General Public License V.2, see file COPYING */
/* this file contains the source for xio options handling */
#include "xiosysincludes.h"
#include "xioopen.h"
/*#include "xioparam.h" are all in xio.h */
/* options that can be applied to this module */
xioparms_t xioparms = {
false, /* strictopts */
"!!", /* pipesep */
":", /* paramsep */
",", /* optionsep */
':', /* ip4portsep */
':', /* ip6portsep */
'\0', /* logopt */
NULL, /* syslogfac */
WITH_DEFAULT_IPV, /* default_ip */
WITH_DEFAULT_IPV, /* preferred_ip */
false, /* experimental */
NULL, /* sniffleft_name */
NULL, /* sniffright_name */
8192 /* bufsiz */
} ;
/* allow application to set xioopen options */
int xiosetopt(char what, const char *arg) {
switch (what) {
case 's': xioparms.strictopts = true; break;
case 'p': if ((xioparms.pipesep = strdup(arg)) == NULL) {
Error1("strdup("F_Zu"): out of memory", strlen(arg)+1);
return -1;
}
break;
case 'o': xioparms.ip4portsep = arg[0];
if (arg[1] != '\0') {
Error2("xiosetopt('%c', \"%s\"): port separator must be single character",
what, arg);
return -1;
}
break;
case 'l': xioparms.logopt = *arg; break;
case 'y': xioparms.syslogfac = arg; break;
case 'r': xioparms.sniffleft_name = arg; break;
case 'R': xioparms.sniffright_name = arg; break;
default:
Error2("xiosetopt('%c', \"%s\"): unknown option",
what, arg?arg:"NULL");
return -1;
}
return 0;
}
int xioinqopt(char what, char *arg, size_t n) {
switch (what) {
case 's': return xioparms.strictopts;
case 'p':
arg[0] = '\0'; strncat(arg, xioparms.pipesep, n-1);
return 0;
case 'o': return xioparms.ip4portsep;
case 'l': return xioparms.logopt;
case 'r':
if (xioparms.sniffleft_name == NULL) {
return 1;
}
if (n < strlen(xioparms.sniffleft_name)+1) {
return -1;
}
arg[0] = '\0';
strncat(arg, xioparms.sniffleft_name, n-1);
return 0;
case 'R':
if (xioparms.sniffright_name == NULL) {
return 1;
}
if (n < strlen(xioparms.sniffright_name)+1) {
return -1;
}
arg[0] = '\0';
strncat(arg, xioparms.sniffright_name, n-1);
return 0;
default:
Error3("xioinqopt('%c', \"%s\", "F_Zu"): unknown option",
what, arg, n);
return -1;
}
return 0;
}