diff options
Diffstat (limited to 'crypto/kerberosIV/appl/bsd/sysv_environ.c')
| -rw-r--r-- | crypto/kerberosIV/appl/bsd/sysv_environ.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/crypto/kerberosIV/appl/bsd/sysv_environ.c b/crypto/kerberosIV/appl/bsd/sysv_environ.c deleted file mode 100644 index f5e782d0da38..000000000000 --- a/crypto/kerberosIV/appl/bsd/sysv_environ.c +++ /dev/null @@ -1,192 +0,0 @@ -/* Author: Wietse Venema <wietse@wzv.win.tue.nl> */ - -#include "bsd_locl.h" - -RCSID("$Id: sysv_environ.c,v 1.21 1997/05/14 17:34:15 joda Exp $"); - -#ifdef HAVE_ULIMIT_H -#include <ulimit.h> -#endif - -#ifndef UL_SETFSIZE -#define UL_SETFSIZE 2 -#endif - -#include "sysv_default.h" - -/* - * Set - */ - -static void -read_etc_environment (void) -{ - FILE *f; - char buf[BUFSIZ]; - - f = fopen(_PATH_ETC_ENVIRONMENT, "r"); - if (f) { - char *val; - - while (fgets (buf, sizeof(buf), f) != NULL) { - if (buf[0] == '\n' || buf[0] == '#') - continue; - buf[strlen(buf) - 1] = '\0'; - val = strchr (buf, '='); - if (val == NULL) - continue; - *val = '\0'; - setenv(buf, val + 1, 1); - } - fclose (f); - } -} - - /* - * Environment variables that are preserved (but may still be overruled by - * other means). Only TERM and TZ appear to survive (SunOS 5.1). These are - * typically inherited from the ttymon process. - */ - -static struct preserved { - char *name; - char *value; -} preserved[] = { - {"TZ", 0}, - {"TERM", 0}, - {0}, -}; - - /* - * Environment variables that are not preserved and that cannot be specified - * via commandline or stdin. Except for the LD_xxx (runtime linker) stuff, - * the list applies to most SYSV systems. The manpage mentions only that - * SHELL and PATH are censored. HOME, LOGNAME and MAIL are always - * overwritten; they are in the list to make the censoring explicit. - */ - -static struct censored { - char *prefix; - int length; -} censored[] = { - {"SHELL=", sizeof("SHELL=") - 1}, - {"HOME=", sizeof("HOME=") - 1}, - {"LOGNAME=", sizeof("LOGNAME=") - 1}, - {"MAIL=", sizeof("MAIL=") - 1}, - {"CDPATH=", sizeof("CDPATH=") - 1}, - {"IFS=", sizeof("IFS=") - 1}, - {"PATH=", sizeof("PATH=") - 1}, - {"LD_", sizeof("LD_") - 1}, - {0}, -}; - -/* sysv_newenv - set up final environment after logging in */ - -void sysv_newenv(int argc, char **argv, struct passwd *pwd, - char *term, int pflag) -{ - unsigned umask_val; - long limit_val; - char buf[BUFSIZ]; - int count = 0; - struct censored *cp; - struct preserved *pp; - - /* Preserve a selection of the environment. */ - - for (pp = preserved; pp->name; pp++) - pp->value = getenv(pp->name); - - /* - * Note: it is a bad idea to assign a static array to the global environ - * variable. Reason is that putenv() can run into problems when it tries - * to realloc() the environment table. Instead, we just clear environ[0] - * and let putenv() work things out. - */ - - if (!pflag && environ) - environ[0] = 0; - - /* Restore preserved environment variables. */ - - for (pp = preserved; pp->name; pp++) - if (pp->value) - setenv(pp->name, pp->value, 1); - - /* The TERM definition from e.g. rlogind can override an existing one. */ - - if (term[0]) - setenv("TERM", term, 1); - - /* - * Environment definitions from the command line overrule existing ones, - * but can be overruled by definitions from stdin. Some variables are - * censored. - * - * Omission: we do not support environment definitions from stdin. - */ - -#define STREQN(x,y,l) (x[0] == y[0] && strncmp(x,y,l) == 0) - - while (argc && *argv) { - if (strchr(*argv, '=') == 0) { - snprintf(buf, sizeof(buf), "L%d", count++); - setenv(buf, *argv, 1); - } else { - for (cp = censored; cp->prefix; cp++) - if (STREQN(*argv, cp->prefix, cp->length)) - break; - if (cp->prefix == 0) - putenv(*argv); - } - argc--, argv++; - } - - /* PATH is always reset. */ - - setenv("PATH", pwd->pw_uid ? default_path : default_supath, 1); - - /* Undocumented: HOME, MAIL and LOGNAME are always reset (SunOS 5.1). */ - - setenv("HOME", pwd->pw_dir, 1); - { - char *sep = "/"; - if(KRB4_MAILDIR[strlen(KRB4_MAILDIR) - 1] == '/') - sep = ""; - k_concat(buf, sizeof(buf), KRB4_MAILDIR, sep, pwd->pw_name, NULL); - } - setenv("MAIL", buf, 1); - setenv("LOGNAME", pwd->pw_name, 1); - setenv("USER", pwd->pw_name, 1); - - /* - * Variables that may be set according to specifications in the defaults - * file. HZ and TZ are set only if they are still uninitialized. - * - * Extension: when ALTSHELL=YES, we set the SHELL variable even if it is - * /bin/sh. - */ - - if (strcasecmp(default_altsh, "YES") == 0) - setenv("SHELL", pwd->pw_shell, 1); - if (default_hz) - setenv("HZ", default_hz, 0); - if (default_timezone) - setenv("TZ", default_timezone, 0); - - /* Non-environment stuff. */ - - if (default_umask) { - if (sscanf(default_umask, "%o", &umask_val) == 1 && umask_val) - umask(umask_val); - } -#ifdef HAVE_ULIMIT - if (default_ulimit) { - if (sscanf(default_ulimit, "%ld", &limit_val) == 1 && limit_val) - if (ulimit(UL_SETFSIZE, limit_val) < 0) - warn ("ulimit(UL_SETFSIZE, %ld)", limit_val); - } -#endif - read_etc_environment(); -} - |