diff options
Diffstat (limited to 'source4/heimdal/lib/krb5/cache.c')
| -rw-r--r-- | source4/heimdal/lib/krb5/cache.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/source4/heimdal/lib/krb5/cache.c b/source4/heimdal/lib/krb5/cache.c index 5be3935f2b..59aae40d28 100644 --- a/source4/heimdal/lib/krb5/cache.c +++ b/source4/heimdal/lib/krb5/cache.c @@ -33,7 +33,7 @@ #include "krb5_locl.h" -RCSID("$Id: cache.c 20503 2007-04-21 22:03:56Z lha $"); +RCSID("$Id: cache.c 21498 2007-07-11 09:41:43Z lha $"); /* * Add a new ccache type with operations `ops', overwriting any @@ -339,6 +339,35 @@ _krb5_expand_default_cc_name(krb5_context context, const char *str, char **res) } /* + * Return non-zero if envirnoment that will determine default krb5cc + * name has changed. + */ + +static int +environment_changed(krb5_context context) +{ + const char *e; + + if(issuid()) + return 0; + + e = getenv("KRB5CCNAME"); + if (e == NULL) { + if (context->default_cc_name_env) { + free(context->default_cc_name_env); + context->default_cc_name_env = NULL; + return 1; + } + } else { + if (context->default_cc_name_env == NULL) + return 1; + if (strcmp(e, context->default_cc_name_env) != 0) + return 1; + } + return 0; +} + +/* * Set the default cc name for `context' to `name'. */ @@ -353,8 +382,12 @@ krb5_cc_set_default_name(krb5_context context, const char *name) if(!issuid()) { e = getenv("KRB5CCNAME"); - if (e) + if (e) { p = strdup(e); + if (context->default_cc_name_env) + free(context->default_cc_name_env); + context->default_cc_name_env = strdup(e); + } } if (e == NULL) { e = krb5_config_get_string(context, NULL, "libdefaults", @@ -389,7 +422,7 @@ krb5_cc_set_default_name(krb5_context context, const char *name) const char* KRB5_LIB_FUNCTION krb5_cc_default_name(krb5_context context) { - if (context->default_cc_name == NULL) + if (context->default_cc_name == NULL || environment_changed(context)) krb5_cc_set_default_name(context, NULL); return context->default_cc_name; |