diff options
Diffstat (limited to 'crypto/kerberosIV/appl/bsd/rcmd_util.c')
-rw-r--r-- | crypto/kerberosIV/appl/bsd/rcmd_util.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/crypto/kerberosIV/appl/bsd/rcmd_util.c b/crypto/kerberosIV/appl/bsd/rcmd_util.c new file mode 100644 index 0000000..1dfb46d --- /dev/null +++ b/crypto/kerberosIV/appl/bsd/rcmd_util.c @@ -0,0 +1,247 @@ +/* + * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 "bsd_locl.h" + +RCSID("$Id: rcmd_util.c,v 1.19 1999/12/02 16:58:28 joda Exp $"); + +int +get_login_port(int kerberos, int encryption) +{ + char *service="login"; + int port=htons(513); + + if(kerberos && encryption){ + service="eklogin"; + port=htons(2105); + } + + if(kerberos && !encryption){ + service="klogin"; + port=htons(543); + } + return k_getportbyname (service, "tcp", port); +} + +int +get_shell_port(int kerberos, int encryption) +{ + char *service="shell"; + int port=htons(514); + + if(kerberos && encryption){ + service="ekshell"; + port=htons(545); + } + + if(kerberos && !encryption){ + service="kshell"; + port=htons(544); + } + + return k_getportbyname (service, "tcp", port); +} + +/* + * On reasonable systems, `cf[gs]et[io]speed' use values of bit/s + * directly, and the following functions are just identity functions. + * This is however a slower way of doing those + * should-be-but-are-not-always idenity functions. + */ + +static struct { int speed; int bps; } conv[] = { +#ifdef B0 + {B0, 0}, +#endif +#ifdef B50 + {B50, 50}, +#endif +#ifdef B75 + {B75, 75}, +#endif +#ifdef B110 + {B110, 110}, +#endif +#ifdef B134 + {B134, 134}, +#endif +#ifdef B150 + {B150, 150}, +#endif +#ifdef B200 + {B200, 200}, +#endif +#ifdef B300 + {B300, 300}, +#endif +#ifdef B600 + {B600, 600}, +#endif +#ifdef B1200 + {B1200, 1200}, +#endif +#ifdef B1800 + {B1800, 1800}, +#endif +#ifdef B2400 + {B2400, 2400}, +#endif +#ifdef B4800 + {B4800, 4800}, +#endif +#ifdef B9600 + {B9600, 9600}, +#endif +#ifdef B19200 + {B19200, 19200}, +#endif +#ifdef EXTA + {EXTA, 19200}, +#endif +#ifdef B38400 + {B38400, 38400}, +#endif +#ifdef EXTB + {EXTB, 38400}, +#endif +#ifdef B57600 + {B57600, 57600}, +#endif +#ifdef B115200 + {B115200, 115200}, +#endif +#ifdef B153600 + {B153600, 153600}, +#endif +#ifdef B230400 + {B230400, 230400}, +#endif +#ifdef B307200 + {B307200, 307200}, +#endif +#ifdef B460800 + {B460800, 460800}, +#endif +}; + +#define N (sizeof(conv)/sizeof(*conv)) + +int +speed_t2int (speed_t s) +{ + int l, r, m; + + l = 0; + r = N - 1; + while(l <= r) { + m = (l + r) / 2; + if (conv[m].speed == s) + return conv[m].bps; + else if(conv[m].speed < s) + l = m + 1; + else + r = m - 1; + } + return -1; +} + +/* + * + */ + +speed_t +int2speed_t (int i) +{ + int l, r, m; + + l = 0; + r = N - 1; + while(l <= r) { + m = (l + r) / 2; + if (conv[m].bps == i) + return conv[m].speed; + else if(conv[m].bps < i) + l = m + 1; + else + r = m - 1; + } + return -1; +} + +/* + * If there are any IP options on `sock', die. + */ + +void +ip_options_and_die (int sock, struct sockaddr_in *fromp) +{ +#if defined(IP_OPTIONS) && defined(HAVE_GETSOCKOPT) + u_char optbuf[BUFSIZ/3], *cp; + char lbuf[BUFSIZ], *lp; + int optsize = sizeof(optbuf), ipproto; + struct protoent *ip; + + if ((ip = getprotobyname("ip")) != NULL) + ipproto = ip->p_proto; + else + ipproto = IPPROTO_IP; + if (getsockopt(sock, ipproto, IP_OPTIONS, + (void *)optbuf, &optsize) == 0 && + optsize != 0) { + lp = lbuf; + for (cp = optbuf; optsize > 0; cp++, optsize--, lp += 3) + snprintf(lp, sizeof(lbuf) - (lp - lbuf), " %2.2x", *cp); + syslog(LOG_NOTICE, + "Connection received from %s using IP options (dead):%s", + inet_ntoa(fromp->sin_addr), lbuf); + exit(1); + } +#endif +} + +void +warning(const char *fmt, ...) +{ + char *rstar_no_warn = getenv("RSTAR_NO_WARN"); + va_list args; + + va_start(args, fmt); + if (rstar_no_warn == NULL) + rstar_no_warn = ""; + if (strncmp(rstar_no_warn, "yes", 3) != 0) { + /* XXX */ + fprintf(stderr, "%s: warning, using standard ", __progname); + vwarnx(fmt, args); + } + va_end(args); +} |