diff options
Diffstat (limited to 'src/lib/krb5/os/def_realm.c')
| -rw-r--r-- | src/lib/krb5/os/def_realm.c | 49 |
1 files changed, 41 insertions, 8 deletions
diff --git a/src/lib/krb5/os/def_realm.c b/src/lib/krb5/os/def_realm.c index 247d161c70..809ee44051 100644 --- a/src/lib/krb5/os/def_realm.c +++ b/src/lib/krb5/os/def_realm.c @@ -51,24 +51,57 @@ static char rcsid_def_realm_c[] = extern char *krb5_config_file; /* extern so can be set at load/runtime */ + +/* + * In case the program wants to override this. + */ +extern char *krb5_override_default_realm; + +char *krb5_override_default_realm = 0; + krb5_error_code krb5_get_default_realm(lrealm) char **lrealm; { FILE *config_file; char realmbuf[BUFSIZ]; + static char *saved_realm = 0; + char *realm; char *cp; - if (!(config_file = fopen(krb5_config_file, "r"))) - /* can't open */ - return KRB5_CONFIG_CANTOPEN; + if (krb5_override_default_realm) + realm = krb5_override_default_realm; + else if (saved_realm) + realm = saved_realm; + else { + if (!(config_file = fopen(krb5_config_file, "r"))) + /* can't open */ + return KRB5_CONFIG_CANTOPEN; + + if (fgets(realmbuf, sizeof(realmbuf), config_file) == NULL) { + fclose(config_file); + return(KRB5_CONFIG_BADFORMAT); + } + fclose(config_file); + + realmbuf[BUFSIZ-1] = '0'; + cp = strchr(realmbuf, '\n'); + if (cp) + *cp = '\0'; + cp = strchr(realmbuf, ' '); + if (cp) + *cp = '\0'; + + saved_realm = malloc(strlen (realmbuf) + 1); + if (!saved_realm) + return ENOMEM; + + strcpy(saved_realm, realmbuf); - if (fscanf(config_file, "%s", realmbuf) != 1) { - fclose(config_file); - return( KRB5_CONFIG_BADFORMAT); + realm = saved_realm; } - fclose(config_file); - if (!(*lrealm = cp = malloc((unsigned int) strlen(realmbuf) + 1))) + + if (!(*lrealm = cp = malloc((unsigned int) strlen(realm) + 1))) return ENOMEM; strcpy(cp, realmbuf); return(0); |