freebsd-dev/crypto/kerberosIV/appl/bsd/sysv_default.c

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/* Author: Wietse Venema <wietse@wzv.win.tue.nl> */
#include "bsd_locl.h"
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RCSID("$Id: sysv_default.c,v 1.11 1999/03/13 21:15:24 assar Exp $");
#include "sysv_default.h"
/*
* Default values for stuff that can be read from the defaults file. The
* SunOS 5.1 documentation is incomplete and often disagrees with reality.
*/
static char default_umask_value[] = "022";
char *default_console = 0;
char *default_altsh = "YES";
char *default_passreq = "NO";
char *default_timezone= 0;
char *default_hz = 0;
char *default_path = _PATH_DEFPATH;
char *default_supath = _PATH_DEFSUPATH;
char *default_ulimit = 0;
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char *default_timeout = "180";
char *default_umask = default_umask_value;
char *default_sleep = "4";
char *default_maxtrys = "5";
static struct sysv_default {
char **valptr;
char *prefix;
int prefix_len;
} defaults[] = {
{&default_console, "CONSOLE=", sizeof("CONSOLE=") -1},
{&default_altsh, "ALTSHELL=", sizeof("ALTSHELL=") -1},
{&default_passreq, "PASSREQ=", sizeof("PASSREQ=") -1},
{&default_timezone, "TIMEZONE=", sizeof("TIMEZONE=") -1},
{&default_hz, "HZ=", sizeof("HZ=") -1},
{&default_path, "PATH=", sizeof("PATH=") -1},
{&default_supath, "SUPATH=", sizeof("SUPATH=") -1},
{&default_ulimit, "ULIMIT=", sizeof("ULIMIT=") -1},
{&default_timeout, "TIMEOUT=", sizeof("TIMEOUT=") -1},
{&default_umask, "UMASK=", sizeof("UMASK=") -1},
{&default_sleep, "SLEEPTIME=", sizeof("SLEEPTIME=") -1},
{&default_maxtrys, "MAXTRYS=", sizeof("MAXTRYS=") -1},
{0},
};
#define trim(s) { \
char *cp = s + strlen(s); \
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while (cp > s && isspace((unsigned char)cp[-1])) \
cp--; \
*cp = 0; \
}
/* sysv_defaults - read login defaults file */
void
sysv_defaults()
{
struct sysv_default *dp;
FILE *fp;
char buf[BUFSIZ];
if ((fp = fopen(_PATH_ETC_DEFAULT_LOGIN, "r"))) {
/* Stupid quadratic algorithm. */
while (fgets(buf, sizeof(buf), fp)) {
/* Skip comments and blank lines. */
if (buf[0] == '#')
continue;
trim(buf);
if (buf[0] == 0)
continue;
/* Assign defaults from file. */
#define STREQN(x,y,l) (x[0] == y[0] && strncmp(x,y,l) == 0)
for (dp = defaults; dp->valptr; dp++) {
if (STREQN(buf, dp->prefix, dp->prefix_len)) {
if ((*(dp->valptr) = strdup(buf + dp->prefix_len)) == 0) {
warnx("Insufficient memory resources - try later.");
sleepexit(1);
}
break;
}
}
}
fclose(fp);
}
}