oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

implement gss_localname

Browse Source
This commit is contained in:
Luke Howard
2011-10-08 12:15:09 +11:00
parent 1b03abb250
commit 07777511d1
8 changed files with 119 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/gssapi/mech/gss_mech_switch.c
View File

@@ -381,7 +381,7 @@ _gss_load_mech(void)
OPTSYM(set_name_attribute);
OPTSYM(delete_name_attribute);
OPTSYM(export_name_composite);
OPTSYM(pname_to_uid);
OPTSYM(localname);
OPTSPISYM(authorize_localname);
mi = dlsym(so, "gss_mo_init");

168
lib/gssapi/mech/gss_pname_to_uid.c
View File

@@ -33,21 +33,21 @@
#include "mech_locl.h"
static OM_uint32
mech_pname_to_uid(OM_uint32 *minor_status,
struct _gss_mechanism_name *mn,
uid_t *uidp)
mech_localname(OM_uint32 *minor_status,
struct _gss_mechanism_name *mn,
gss_buffer_t localname)
{
OM_uint32 major_status = GSS_S_UNAVAILABLE;
*minor_status = 0;
if (mn->gmn_mech->gm_pname_to_uid == NULL)
if (mn->gmn_mech->gm_localname == NULL)
return GSS_S_UNAVAILABLE;
major_status = mn->gmn_mech->gm_pname_to_uid(minor_status,
mn->gmn_name,
mn->gmn_mech_oid,
uidp);
major_status = mn->gmn_mech->gm_localname(minor_status,
mn->gmn_name,
mn->gmn_mech_oid,
localname);
if (GSS_ERROR(major_status))
_gss_mg_error(mn->gmn_mech, major_status, *minor_status);
@@ -55,86 +55,45 @@ mech_pname_to_uid(OM_uint32 *minor_status,
}
static OM_uint32
attr_pname_to_uid(OM_uint32 *minor_status,
struct _gss_mechanism_name *mn,
uid_t *uidp)
attr_localname(OM_uint32 *minor_status,
struct _gss_mechanism_name *mn,
gss_buffer_t localname)
{
#ifdef NO_LOCALNAME
return GSS_S_UNAVAILABLE;
#else
OM_uint32 major_status = GSS_S_UNAVAILABLE;
OM_uint32 tmpMinor;
gss_buffer_desc display_value = GSS_C_EMPTY_BUFFER;
int authenticated = 0, complete = 0;
int more = -1;
*minor_status = 0;
localname->length = 0;
localname->value = NULL;
if (mn->gmn_mech->gm_get_name_attribute == NULL)
return GSS_S_UNAVAILABLE;
while (more != 0) {
gss_buffer_desc value;
gss_buffer_desc display_value;
int authenticated = 0, complete = 0;
#ifdef POSIX_GETPWNAM_R
char pwbuf[2048];
struct passwd pw, *pwd;
#else
struct passwd *pwd;
#endif
char *localname;
major_status = mn->gmn_mech->gm_get_name_attribute(minor_status,
mn->gmn_name,
GSS_C_ATTR_LOCAL_LOGIN_USER,
&authenticated,
&complete,
&value,
&display_value,
&more);
if (GSS_ERROR(major_status)) {
_gss_mg_error(mn->gmn_mech, major_status, *minor_status);
break;
}
localname = malloc(value.length + 1);
if (localname == NULL) {
major_status = GSS_S_FAILURE;
*minor_status = ENOMEM;
break;
}
memcpy(localname, value.value, value.length);
localname[value.length] = '\0';
#ifdef POSIX_GETPWNAM_R
if (getpwnam_r(localname, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0)
pwd = NULL;
#else
pwd = getpwnam(localname);
#endif
free(localname);
gss_release_buffer(&tmpMinor, &value);
major_status = mn->gmn_mech->gm_get_name_attribute(minor_status,
mn->gmn_name,
GSS_C_ATTR_LOCAL_LOGIN_USER,
&authenticated,
&complete,
localname,
&display_value,
&more);
if (GSS_ERROR(major_status))
_gss_mg_error(mn->gmn_mech, major_status, *minor_status);
else
gss_release_buffer(&tmpMinor, &display_value);
if (pwd != NULL) {
*uidp = pwd->pw_uid;
major_status = GSS_S_COMPLETE;
*minor_status = 0;
break;
} else
major_status = GSS_S_UNAVAILABLE;
}
return major_status;
#endif /* NO_LOCALNAME */
}
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_pname_to_uid(OM_uint32 *minor_status,
const gss_name_t pname,
const gss_OID mech_type,
uid_t *uidp)
gss_localname(OM_uint32 *minor_status,
const gss_name_t pname,
const gss_OID mech_type,
gss_buffer_t localname)
{
OM_uint32 major_status = GSS_S_UNAVAILABLE;
struct _gss_name *name = (struct _gss_name *) pname;
@@ -147,14 +106,14 @@ gss_pname_to_uid(OM_uint32 *minor_status,
if (GSS_ERROR(major_status))
return major_status;
major_status = mech_pname_to_uid(minor_status, mn, uidp);
major_status = mech_localname(minor_status, mn, localname);
if (major_status != GSS_S_COMPLETE)
major_status = attr_pname_to_uid(minor_status, mn, uidp);
major_status = attr_localname(minor_status, mn, localname);
} else {
HEIM_SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
major_status = mech_pname_to_uid(minor_status, mn, uidp);
major_status = mech_localname(minor_status, mn, localname);
if (major_status != GSS_S_COMPLETE)
major_status = attr_pname_to_uid(minor_status, mn, uidp);
major_status = attr_localname(minor_status, mn, localname);
if (major_status != GSS_S_UNAVAILABLE)
break;
}
@@ -165,3 +124,60 @@ gss_pname_to_uid(OM_uint32 *minor_status,
return major_status;
}
GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
gss_pname_to_uid(OM_uint32 *minor_status,
const gss_name_t pname,
const gss_OID mech_type,
uid_t *uidp)
{
#ifdef NO_LOCALNAME
return GSS_S_UNAVAILABLE;
#else
OM_uint32 major, tmpMinor;
gss_buffer_desc localname = GSS_C_EMPTY_BUFFER;
char *szLocalname;
#ifdef POSIX_GETPWNAM_R
char pwbuf[2048];
struct passwd pw, *pwd;
#else
struct passwd *pwd;
#endif
major = gss_localname(minor_status, pname, mech_type, &localname);
if (GSS_ERROR(major))
return major;
szLocalname = malloc(localname.length + 1);
if (szLocalname == NULL) {
gss_release_buffer(&tmpMinor, &localname);
*minor_status = ENOMEM;
return GSS_S_FAILURE;
}
memcpy(szLocalname, localname.value, localname.length);
szLocalname[localname.length] = '\0';
#ifdef POSIX_GETPWNAM_R
if (getpwnam_r(szLocalname, &pw, pwbuf, sizeof(pwbuf), &pwd) != 0)
pwd = NULL;
#else
pwd = getpwnam(szLocalname);
#endif
gss_release_buffer(&tmpMinor, &localname);
free(szLocalname);
*minor_status = 0;
if (pwd != NULL) {
*uidp = pwd->pw_uid;
major = GSS_S_COMPLETE;
} else {
major = GSS_S_UNAVAILABLE;
}
return major;
#endif
}