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-rw-r--r--src/plugins/locate/python/py-locate.c235
1 files changed, 118 insertions, 117 deletions
diff --git a/src/plugins/locate/python/py-locate.c b/src/plugins/locate/python/py-locate.c
index 6f4943a756..ca6dcba56a 100644
--- a/src/plugins/locate/python/py-locate.c
+++ b/src/plugins/locate/python/py-locate.c
@@ -1,3 +1,4 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* plugins/locate/python/py-locate.c
*
@@ -72,26 +73,26 @@
#error "Where's the Python header file?"
#endif
#include <errno.h>
-#include "k5-platform.h" /* for init/fini macros */
+#include "k5-platform.h" /* for init/fini macros */
#include "fake-addrinfo.h"
#include <krb5/locate_plugin.h>
-#define LIBDIR "/tmp" /* should be imported from configure */
-#define SCRIPT_PATH LIBDIR "/krb5/locate-service.py"
-#define LOOKUP_FUNC_NAME "locate"
+#define LIBDIR "/tmp" /* should be imported from configure */
+#define SCRIPT_PATH LIBDIR "/krb5/locate-service.py"
+#define LOOKUP_FUNC_NAME "locate"
static PyObject *locatefn;
MAKE_INIT_FUNCTION(my_init);
MAKE_FINI_FUNCTION(my_fini);
-#define F (strchr(__FILE__, '/') ? 1 + strrchr(__FILE__, '/') : __FILE__)
+#define F (strchr(__FILE__, '/') ? 1 + strrchr(__FILE__, '/') : __FILE__)
-static krb5_context sctx; /* XXX ugly hack! */
+static krb5_context sctx; /* XXX ugly hack! */
int
-my_init (void)
+my_init(void)
{
PyObject *mainmodule;
FILE *f;
@@ -100,11 +101,11 @@ my_init (void)
// fprintf(stderr, "trying to load %s\n", SCRIPT_PATH);
f = fopen(SCRIPT_PATH, "r");
if (f == NULL) {
- if (sctx)
- krb5_set_error_message(sctx, -1,
- "couldn't open Python script %s (%s)",
- SCRIPT_PATH, strerror(errno));
- return -1;
+ if (sctx)
+ krb5_set_error_message(sctx, -1,
+ "couldn't open Python script %s (%s)",
+ SCRIPT_PATH, strerror(errno));
+ return -1;
}
set_cloexec_file(f);
PyRun_SimpleFile (f, SCRIPT_PATH);
@@ -115,29 +116,29 @@ my_init (void)
if (PyErr_Occurred()) { fprintf(stderr,"%s:%d: python error\n", F, __LINE__); PyErr_Print(); return -1; }
/* Don't DECREF mainmodule, it's sometimes causing crashes. */
if (locatefn == 0)
- return -1;
+ return -1;
if (!PyCallable_Check (locatefn)) {
- Py_DECREF (locatefn);
- locatefn = 0;
- return -1;
+ Py_DECREF (locatefn);
+ locatefn = 0;
+ return -1;
}
if (PyErr_Occurred()) { fprintf(stderr,"%s:%d: python error\n", F, __LINE__); PyErr_Print(); return -1; }
return 0;
}
void
-my_fini (void)
+my_fini(void)
{
// fprintf(stderr, "%s:%d: Python module finalization\n", F, __LINE__);
if (! INITIALIZER_RAN (my_init))
- return;
+ return;
Py_DECREF (locatefn);
locatefn = 0;
Py_Finalize ();
}
static krb5_error_code
-ctxinit (krb5_context ctx, void **blobptr)
+ctxinit(krb5_context ctx, void **blobptr)
{
/* If we wanted to create a separate Python interpreter instance,
look up the pathname of the script in the config file used for
@@ -150,7 +151,7 @@ ctxinit (krb5_context ctx, void **blobptr)
}
static void
-ctxfini (void *blob)
+ctxfini(void *blob)
{
}
@@ -170,9 +171,9 @@ ctxfini (void *blob)
isn't going to be very useful to the caller.) */
static krb5_error_code
-lookup (void *blob, enum locate_service_type svc, const char *realm,
- int socktype, int family,
- int (*cbfunc)(void *, int, struct sockaddr *), void *cbdata)
+lookup(void *blob, enum locate_service_type svc, const char *realm,
+ int socktype, int family,
+ int (*cbfunc)(void *, int, struct sockaddr *), void *cbdata)
{
PyObject *py_result, *svcarg, *realmarg, *arglist;
int listsize, i, x;
@@ -180,17 +181,17 @@ lookup (void *blob, enum locate_service_type svc, const char *realm,
int thissocktype;
// fprintf(stderr, "%s:%d: lookup(%d,%s,%d,%d)\n", F, __LINE__,
-// svc, realm, socktype, family);
- sctx = blob; /* XXX: Not thread safe! */
+// svc, realm, socktype, family);
+ sctx = blob; /* XXX: Not thread safe! */
i = CALL_INIT_FUNCTION (my_init);
if (i) {
#if 0
- fprintf(stderr, "%s:%d: module initialization failed\n", F, __LINE__);
+ fprintf(stderr, "%s:%d: module initialization failed\n", F, __LINE__);
#endif
- return i;
+ return i;
}
if (locatefn == 0)
- return KRB5_PLUGIN_NO_HANDLE;
+ return KRB5_PLUGIN_NO_HANDLE;
svcarg = PyInt_FromLong (svc);
/* error? */
realmarg = PyString_FromString ((char *) realm);
@@ -207,24 +208,24 @@ lookup (void *blob, enum locate_service_type svc, const char *realm,
py_result = PyObject_CallObject (locatefn, arglist);
Py_DECREF (arglist);
if (PyErr_Occurred()) {
- fprintf(stderr,"%s:%d: python error\n", F, __LINE__);
- PyErr_Print();
- krb5_set_error_message(blob, -1,
- "Python evaluation error, see stderr");
- return -1;
+ fprintf(stderr,"%s:%d: python error\n", F, __LINE__);
+ PyErr_Print();
+ krb5_set_error_message(blob, -1,
+ "Python evaluation error, see stderr");
+ return -1;
}
if (py_result == 0) {
- fprintf(stderr, "%s:%d: returned null object\n", F, __LINE__);
- return -1;
+ fprintf(stderr, "%s:%d: returned null object\n", F, __LINE__);
+ return -1;
}
if (py_result == Py_False)
- return KRB5_PLUGIN_NO_HANDLE;
+ return KRB5_PLUGIN_NO_HANDLE;
if (! PyList_Check (py_result)) {
- Py_DECREF (py_result);
- fprintf(stderr, "%s:%d: returned non-list, non-False\n", F, __LINE__);
- krb5_set_error_message(blob, -1,
- "Python script error -- returned non-list, non-False result");
- return -1;
+ Py_DECREF (py_result);
+ fprintf(stderr, "%s:%d: returned non-list, non-False\n", F, __LINE__);
+ krb5_set_error_message(blob, -1,
+ "Python script error -- returned non-list, non-False result");
+ return -1;
}
listsize = PyList_Size (py_result);
/* allocate */
@@ -232,83 +233,83 @@ lookup (void *blob, enum locate_service_type svc, const char *realm,
aihints.ai_flags = AI_NUMERICHOST;
aihints.ai_family = family;
for (i = 0; i < listsize; i++) {
- PyObject *answer, *field;
- char *hoststr, *portstr, portbuf[3*sizeof(long) + 4];
- int cbret;
+ PyObject *answer, *field;
+ char *hoststr, *portstr, portbuf[3*sizeof(long) + 4];
+ int cbret;
- answer = PyList_GetItem (py_result, i);
- if (! PyTuple_Check (answer)) {
- krb5_set_error_message(blob, -1,
- "Python script error -- returned item %d not a tuple", i);
- /* leak? */
- return -1;
- }
- if (PyTuple_Size (answer) != 3) {
- krb5_set_error_message(blob, -1,
- "Python script error -- returned tuple %d size %d should be 3",
- i, PyTuple_Size (answer));
- /* leak? */
- return -1;
- }
- field = PyTuple_GetItem (answer, 0);
- if (! PyString_Check (field)) {
- /* leak? */
- krb5_set_error_message(blob, -1,
- "Python script error -- first component of tuple %d is not a string",
- i);
- return -1;
- }
- hoststr = PyString_AsString (field);
- field = PyTuple_GetItem (answer, 1);
- if (PyString_Check (field)) {
- portstr = PyString_AsString (field);
- } else if (PyInt_Check (field)) {
- snprintf(portbuf, sizeof(portbuf), "%ld", PyInt_AsLong (field));
- portstr = portbuf;
- } else {
- krb5_set_error_message(blob, -1,
- "Python script error -- second component of tuple %d neither a string nor an integer",
- i);
- /* leak? */
- return -1;
- }
- field = PyTuple_GetItem (answer, 2);
- if (! PyInt_Check (field)) {
- krb5_set_error_message(blob, -1,
- "Python script error -- third component of tuple %d not an integer",
- i);
- /* leak? */
- return -1;
- }
- thissocktype = PyInt_AsLong (field);
- switch (thissocktype) {
- case SOCK_STREAM:
- case SOCK_DGRAM:
- /* okay */
- if (socktype != 0 && socktype != thissocktype) {
- krb5_set_error_message(blob, -1,
- "Python script error -- tuple %d has socket type %d, should only have %d",
- i, thissocktype, socktype);
- /* leak? */
- return -1;
- }
- break;
- default:
- /* 0 is not acceptable */
- krb5_set_error_message(blob, -1,
- "Python script error -- tuple %d has invalid socket type %d",
- i, thissocktype);
- /* leak? */
- return -1;
- }
- aihints.ai_socktype = thissocktype;
- x = getaddrinfo (hoststr, portstr, &aihints, &airesult);
- if (x != 0)
- continue;
- cbret = cbfunc(cbdata, airesult->ai_socktype, airesult->ai_addr);
- freeaddrinfo(airesult);
- if (cbret != 0)
- break;
+ answer = PyList_GetItem (py_result, i);
+ if (! PyTuple_Check (answer)) {
+ krb5_set_error_message(blob, -1,
+ "Python script error -- returned item %d not a tuple", i);
+ /* leak? */
+ return -1;
+ }
+ if (PyTuple_Size (answer) != 3) {
+ krb5_set_error_message(blob, -1,
+ "Python script error -- returned tuple %d size %d should be 3",
+ i, PyTuple_Size (answer));
+ /* leak? */
+ return -1;
+ }
+ field = PyTuple_GetItem (answer, 0);
+ if (! PyString_Check (field)) {
+ /* leak? */
+ krb5_set_error_message(blob, -1,
+ "Python script error -- first component of tuple %d is not a string",
+ i);
+ return -1;
+ }
+ hoststr = PyString_AsString (field);
+ field = PyTuple_GetItem (answer, 1);
+ if (PyString_Check (field)) {
+ portstr = PyString_AsString (field);
+ } else if (PyInt_Check (field)) {
+ snprintf(portbuf, sizeof(portbuf), "%ld", PyInt_AsLong (field));
+ portstr = portbuf;
+ } else {
+ krb5_set_error_message(blob, -1,
+ "Python script error -- second component of tuple %d neither a string nor an integer",
+ i);
+ /* leak? */
+ return -1;
+ }
+ field = PyTuple_GetItem (answer, 2);
+ if (! PyInt_Check (field)) {
+ krb5_set_error_message(blob, -1,
+ "Python script error -- third component of tuple %d not an integer",
+ i);
+ /* leak? */
+ return -1;
+ }
+ thissocktype = PyInt_AsLong (field);
+ switch (thissocktype) {
+ case SOCK_STREAM:
+ case SOCK_DGRAM:
+ /* okay */
+ if (socktype != 0 && socktype != thissocktype) {
+ krb5_set_error_message(blob, -1,
+ "Python script error -- tuple %d has socket type %d, should only have %d",
+ i, thissocktype, socktype);
+ /* leak? */
+ return -1;
+ }
+ break;
+ default:
+ /* 0 is not acceptable */
+ krb5_set_error_message(blob, -1,
+ "Python script error -- tuple %d has invalid socket type %d",
+ i, thissocktype);
+ /* leak? */
+ return -1;
+ }
+ aihints.ai_socktype = thissocktype;
+ x = getaddrinfo (hoststr, portstr, &aihints, &airesult);
+ if (x != 0)
+ continue;
+ cbret = cbfunc(cbdata, airesult->ai_socktype, airesult->ai_addr);
+ freeaddrinfo(airesult);
+ if (cbret != 0)
+ break;
}
Py_DECREF (py_result);
return 0;
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