#include <security.h>
+#include "pgssapi.h"
#include "sshgss.h"
+#include "sshgssc.h"
+
#include "misc.h"
+/* Windows code to set up the GSSAPI library list. */
+
+struct ssh_gss_library ssh_gss_libraries[2];
+int n_ssh_gss_libraries = 0;
+static int initialised = FALSE;
+
+const int ngsslibs = 2;
+const char *const gsslibnames[2] = {
+ "GSSAPI32.DLL (MIT Kerberos)",
+ "SSPI.DLL (Microsoft SSPI)",
+};
+const struct keyval gsslibkeywords[] = {
+ { "gssapi32", 0 },
+ { "sspi", 1 },
+};
+
DECL_WINDOWS_FUNCTION(static, SECURITY_STATUS,
AcquireCredentialsHandleA,
(SEC_CHAR *, SEC_CHAR *, ULONG, PLUID,
MakeSignature,
(PCtxtHandle, ULONG, PSecBufferDesc, ULONG));
-static HMODULE security_module = NULL;
-
typedef struct winSsh_gss_ctx {
unsigned long maj_stat;
unsigned long min_stat;
const Ssh_gss_buf gss_mech_krb5={9,"\x2A\x86\x48\x86\xF7\x12\x01\x02\x02"};
-int ssh_gss_init(void)
+const char *gsslogmsg = NULL;
+
+static void ssh_sspi_bind_fns(struct ssh_gss_library *lib);
+
+void ssh_gss_init(void)
{
- if (security_module)
- return 1; /* already initialised */
-
- security_module = LoadLibrary("secur32.dll");
- if (security_module) {
- GET_WINDOWS_FUNCTION(security_module, AcquireCredentialsHandleA);
- GET_WINDOWS_FUNCTION(security_module, InitializeSecurityContextA);
- GET_WINDOWS_FUNCTION(security_module, FreeContextBuffer);
- GET_WINDOWS_FUNCTION(security_module, FreeCredentialsHandle);
- GET_WINDOWS_FUNCTION(security_module, DeleteSecurityContext);
- GET_WINDOWS_FUNCTION(security_module, QueryContextAttributesA);
- GET_WINDOWS_FUNCTION(security_module, MakeSignature);
- return 1;
+ HMODULE module;
+
+ if (initialised) return;
+ initialised = TRUE;
+
+ /* MIT Kerberos GSSAPI implementation */
+ /* TODO: For 64-bit builds, check for gssapi64.dll */
+ module = LoadLibrary("gssapi32.dll");
+ if (module) {
+ struct ssh_gss_library *lib =
+ &ssh_gss_libraries[n_ssh_gss_libraries++];
+
+ lib->id = 0;
+ lib->gsslogmsg = "Using GSSAPI from GSSAPI32.DLL";
+
+#define BIND_GSS_FN(name) \
+ lib->u.gssapi.name = (t_gss_##name) GetProcAddress(module, "gss_" #name)
+
+ BIND_GSS_FN(delete_sec_context);
+ BIND_GSS_FN(display_status);
+ BIND_GSS_FN(get_mic);
+ BIND_GSS_FN(import_name);
+ BIND_GSS_FN(init_sec_context);
+ BIND_GSS_FN(release_buffer);
+ BIND_GSS_FN(release_cred);
+ BIND_GSS_FN(release_name);
+
+#undef BIND_GSS_FN
+
+ ssh_gssapi_bind_fns(lib);
+ }
+
+ /* Microsoft SSPI Implementation */
+ module = LoadLibrary("secur32.dll");
+ if (module) {
+ struct ssh_gss_library *lib =
+ &ssh_gss_libraries[n_ssh_gss_libraries++];
+
+ lib->id = 1;
+ lib->gsslogmsg = "Using SSPI from SECUR32.DLL";
+
+ GET_WINDOWS_FUNCTION(module, AcquireCredentialsHandleA);
+ GET_WINDOWS_FUNCTION(module, InitializeSecurityContextA);
+ GET_WINDOWS_FUNCTION(module, FreeContextBuffer);
+ GET_WINDOWS_FUNCTION(module, FreeCredentialsHandle);
+ GET_WINDOWS_FUNCTION(module, DeleteSecurityContext);
+ GET_WINDOWS_FUNCTION(module, QueryContextAttributesA);
+ GET_WINDOWS_FUNCTION(module, MakeSignature);
+
+ ssh_sspi_bind_fns(lib);
}
- return 0;
}
-Ssh_gss_stat ssh_gss_indicate_mech(Ssh_gss_buf *mech)
+static Ssh_gss_stat ssh_sspi_indicate_mech(struct ssh_gss_library *lib,
+ Ssh_gss_buf *mech)
{
*mech = gss_mech_krb5;
return SSH_GSS_OK;
}
-Ssh_gss_stat ssh_gss_import_name(char *host, Ssh_gss_name *srv_name)
+static Ssh_gss_stat ssh_sspi_import_name(struct ssh_gss_library *lib,
+ char *host, Ssh_gss_name *srv_name)
{
char *pStr;
return SSH_GSS_OK;
}
-Ssh_gss_stat ssh_gss_acquire_cred(Ssh_gss_ctx *ctx)
+static Ssh_gss_stat ssh_sspi_acquire_cred(struct ssh_gss_library *lib,
+ Ssh_gss_ctx *ctx)
{
winSsh_gss_ctx *winctx = snew(winSsh_gss_ctx);
memset(winctx, 0, sizeof(winSsh_gss_ctx));
}
-Ssh_gss_stat ssh_gss_init_sec_context(Ssh_gss_ctx *ctx,
- Ssh_gss_name srv_name,
- int to_deleg,
- Ssh_gss_buf *recv_tok,
- Ssh_gss_buf *send_tok)
+static Ssh_gss_stat ssh_sspi_init_sec_context(struct ssh_gss_library *lib,
+ Ssh_gss_ctx *ctx,
+ Ssh_gss_name srv_name,
+ int to_deleg,
+ Ssh_gss_buf *recv_tok,
+ Ssh_gss_buf *send_tok)
{
winSsh_gss_ctx *winctx = (winSsh_gss_ctx *) *ctx;
SecBuffer wsend_tok = {send_tok->length,SECBUFFER_TOKEN,send_tok->value};
return SSH_GSS_FAILURE;
}
-Ssh_gss_stat ssh_gss_free_tok(Ssh_gss_buf *send_tok)
+static Ssh_gss_stat ssh_sspi_free_tok(struct ssh_gss_library *lib,
+ Ssh_gss_buf *send_tok)
{
/* check input */
if (send_tok == NULL) return SSH_GSS_FAILURE;
return SSH_GSS_OK;
}
-Ssh_gss_stat ssh_gss_release_cred(Ssh_gss_ctx *ctx)
+static Ssh_gss_stat ssh_sspi_release_cred(struct ssh_gss_library *lib,
+ Ssh_gss_ctx *ctx)
{
winSsh_gss_ctx *winctx= (winSsh_gss_ctx *) *ctx;
}
-Ssh_gss_stat ssh_gss_release_name(Ssh_gss_name *srv_name)
+static Ssh_gss_stat ssh_sspi_release_name(struct ssh_gss_library *lib,
+ Ssh_gss_name *srv_name)
{
char *pStr= (char *) *srv_name;
return SSH_GSS_OK;
}
-Ssh_gss_stat ssh_gss_display_status(Ssh_gss_ctx ctx, Ssh_gss_buf *buf)
+static Ssh_gss_stat ssh_sspi_display_status(struct ssh_gss_library *lib,
+ Ssh_gss_ctx ctx, Ssh_gss_buf *buf)
{
winSsh_gss_ctx *winctx = (winSsh_gss_ctx *) ctx;
char *msg;
return SSH_GSS_OK;
}
-Ssh_gss_stat ssh_gss_get_mic(Ssh_gss_ctx ctx, Ssh_gss_buf *buf,
- Ssh_gss_buf *hash)
+static Ssh_gss_stat ssh_sspi_get_mic(struct ssh_gss_library *lib,
+ Ssh_gss_ctx ctx, Ssh_gss_buf *buf,
+ Ssh_gss_buf *hash)
{
winSsh_gss_ctx *winctx= (winSsh_gss_ctx *) ctx;
SecPkgContext_Sizes ContextSizes;
return winctx->maj_stat;
}
-Ssh_gss_stat ssh_gss_free_mic(Ssh_gss_buf *hash)
+static Ssh_gss_stat ssh_sspi_free_mic(struct ssh_gss_library *lib,
+ Ssh_gss_buf *hash)
{
sfree(hash->value);
return SSH_GSS_OK;
}
+static void ssh_sspi_bind_fns(struct ssh_gss_library *lib)
+{
+ lib->indicate_mech = ssh_sspi_indicate_mech;
+ lib->import_name = ssh_sspi_import_name;
+ lib->release_name = ssh_sspi_release_name;
+ lib->init_sec_context = ssh_sspi_init_sec_context;
+ lib->free_tok = ssh_sspi_free_tok;
+ lib->acquire_cred = ssh_sspi_acquire_cred;
+ lib->release_cred = ssh_sspi_release_cred;
+ lib->get_mic = ssh_sspi_get_mic;
+ lib->free_mic = ssh_sspi_free_mic;
+ lib->display_status = ssh_sspi_display_status;
+}
+
#else
/* Dummy function so this source file defines something if NO_GSSAPI
is defined. */
-int ssh_gss_init(void)
+void ssh_gss_init(void)
{
- return 0;
}
#endif
projects / u / mdw / putty / blobdiff