+#define _LARGEFILE64_SOURCE
+
#include "httpd.h"
#include "http_config.h"
-#include "http_conf_globals.h"
#include "http_log.h"
#include "http_protocol.h"
#include "http_request.h"
#include "http_core.h"
+
+#ifdef STANDARD20_MODULE_STUFF
+#include <apr_strings.h>
+#include <apr_base64.h>
+#include <apr_compat.h>
+#include <apu_compat.h>
+
+module AP_MODULE_DECLARE_DATA waklog_module;
+
+#define MK_POOL apr_pool_t
+#define MK_TABLE_GET apr_table_get
+#include "unixd.h"
+extern unixd_config_rec unixd_config;
+#define ap_user_id unixd_config.user_id
+#define ap_group_id unixd_config.group_id
+#define ap_user_name unixd_config.user_name
+#define command(name, func, var, type, usage) \
+ AP_INIT_ ## type (name, (void*) func, \
+ (void*)APR_OFFSETOF(waklog_config, var), \
+ OR_AUTHCFG | RSRC_CONF, usage)
+typedef struct {
+ int dummy;
+} child_info;
+
+const char *userdata_key = "waklog_init";
+#else
#include "ap_config.h"
+
+module waklog_module;
+#define MK_POOL pool
+#define MK_TABLE_GET ap_table_get
+#define command(name, func, var, type, usage) \
+ { name, func, \
+ (void*)XtOffsetOf(waklog_config, var), \
+ OR_AUTHCFG | RSRC_CONF, type, usage }
+#endif /* STANDARD20_MODULE_STUFF */
+
+#define getModConfig(P, X) P = (waklog_host_config *) ap_get_module_config( (X)->module_config, &waklog_module );
+
#include <krb5.h>
#if defined(sun)
#include <afs/auth.h>
#include <rx/rxkad.h>
-#define KEYTAB "/home/drh/keytab.itdwww"
-#define KEYTAB_PRINCIPAL "itdwww"
+#define KEYTAB "/etc/keytab.wwwserver"
+#define KEYTAB_PRINCIPAL "someplacewwwserver"
+#define AFS_CELL "someplace.edu"
#define TKT_LIFE 10*60*60
#define SLEEP_TIME TKT_LIFE - 5*60
+/* If there's an error, retry more aggressively */
+#define ERR_SLEEP_TIME 5*60
-#define AFS_CELL "umich.edu" /* NB: lower case */
#define K5PATH "FILE:/tmp/waklog.creds.k5"
-#define K4PATH "/tmp/waklog.creds.k4"
-
-module waklog_module;
typedef struct {
+ int forked;
int configured;
int protect;
char *keytab;
char *keytab_principal;
char *afs_cell;
+ MK_POOL *p;
} waklog_host_config;
typedef struct {
} waklog_child_config;
waklog_child_config child;
-#if 0
- static void *
-waklog_create_dir_config( pool *p, char *path )
+static void
+log_error(const char *file, int line, int level, int status,
+ const server_rec *s, const char *fmt, ...)
{
- waklog_host_config *cfg;
+ char errstr[1024];
+ va_list ap;
- cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config ));
- cfg->configured = 0;
- cfg->protect = 0;
- cfg->keytab = KEYTAB;
- cfg->keytab_principal = KEYTAB_PRINCIPAL;
- cfg->afs_cell = AFS_CELL;
+ va_start(ap, fmt);
+ vsnprintf(errstr, sizeof(errstr), fmt, ap);
+ va_end(ap);
- return( cfg );
-}
-#endif /* 0 */
+#ifdef STANDARD20_MODULE_STUFF
+ ap_log_error(file, line, level | APLOG_NOERRNO, status, s, "%s", errstr);
+#else
+ ap_log_error(file, line, level | APLOG_NOERRNO, s, "%s", errstr);
+#endif
+}
static void *
-waklog_create_server_config( pool *p, server_rec *s )
+waklog_create_server_config( MK_POOL *p, server_rec *s )
{
waklog_host_config *cfg;
cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config ));
+ cfg->p = p;
+ cfg->forked = 0;
cfg->configured = 0;
cfg->protect = 0;
cfg->keytab = KEYTAB;
cfg->keytab_principal = KEYTAB_PRINCIPAL;
cfg->afs_cell = AFS_CELL;
-#if 0
- ap_set_module_config( s->module_config, &waklog_module, cfg);
-#endif /* 0 */
-
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s, "mod_waklog: server config created." );
+
return( cfg );
}
{
waklog_host_config *cfg;
-#if 0
- if ( params->path == NULL ) {
-#endif /* 0 */
- cfg = (waklog_host_config *) ap_get_module_config(
- params->server->module_config, &waklog_module );
-#if 0
- } else {
- cfg = (waklog_host_config *)mconfig;
- }
-#endif /* 0 */
+ getModConfig(cfg, params->server );
cfg->protect = flag;
cfg->configured = 1;
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, params->server, "mod_waklog: waklog_protect set" );
return( NULL );
}
static const char *
-set_waklog_use_keytab( cmd_parms *params, void *mconfig, char *file )
+set_waklog_keytab( cmd_parms *params, void *mconfig, char *file )
{
waklog_host_config *cfg;
-#if 0
- if ( params->path == NULL ) {
-#endif /* 0 */
- cfg = (waklog_host_config *) ap_get_module_config(
- params->server->module_config, &waklog_module );
-#if 0
- } else {
- cfg = (waklog_host_config *)mconfig;
- }
-#endif /* 0 */
+ getModConfig(cfg, params->server );
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
- "mod_waklog: will use keytab: %s", file );
+ log_error( APLOG_MARK, APLOG_INFO, 0, params->server,
+ "mod_waklog: will use keytab: %s", file );
cfg->keytab = ap_pstrdup ( params->pool, file );
cfg->configured = 1;
{
waklog_host_config *cfg;
-#if 0
- if ( params->path == NULL ) {
-#endif /* 0 */
- cfg = (waklog_host_config *) ap_get_module_config(
- params->server->module_config, &waklog_module );
-#if 0
- } else {
- cfg = (waklog_host_config *)mconfig;
- }
-#endif /* 0 */
+ getModConfig(cfg, params->server );
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
- "mod_waklog: will use keytab_principal: %s", file );
+ log_error( APLOG_MARK, APLOG_INFO, 0, params->server,
+ "mod_waklog: will use keytab_principal: %s", file );
cfg->keytab_principal = ap_pstrdup ( params->pool, file );
cfg->configured = 1;
{
waklog_host_config *cfg;
-#if 0
- if ( params->path == NULL ) {
-#endif /* 0 */
- cfg = (waklog_host_config *) ap_get_module_config(
- params->server->module_config, &waklog_module );
-#if 0
- } else {
- cfg = (waklog_host_config *)mconfig;
- }
-#endif /* 0 */
+ getModConfig(cfg, params->server );
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
- "mod_waklog: will use afs_cell: %s", file );
+ log_error( APLOG_MARK, APLOG_INFO, 0, params->server,
+ "mod_waklog: will use afs_cell: %s", file );
cfg->afs_cell = ap_pstrdup( params->pool, file );
cfg->configured = 1;
static void
-waklog_child_init( server_rec *s, pool *p )
+#ifdef STANDARD20_MODULE_STUFF
+waklog_child_init(MK_POOL *p, server_rec *s)
+#else
+waklog_child_init(server_rec *s, MK_POOL *p)
+#endif
{
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: child_init called" );
+
memset( &child.token, 0, sizeof( struct ktc_token ) );
setpag();
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: child_init returned" );
+
return;
}
+typedef struct {
+ int wak_protect;
+ char *wak_keytab;
+ char *wak_ktprinc;
+ char *wak_afscell;
+} waklog_config;
command_rec waklog_cmds[ ] =
{
- { "WaklogProtected", set_waklog_protect,
- NULL, RSRC_CONF | ACCESS_CONF, FLAG,
- "enable waklog on a location or directory basis" },
+ command("WaklogProtected", set_waklog_protect, wak_protect, FLAG, "enable waklog on a location or directory basis"),
- { "WaklogUseKeytabPath", set_waklog_use_keytab,
- NULL, RSRC_CONF | ACCESS_CONF, TAKE1,
- "Use the supplied keytab rather than the default" },
+ command("WaklogKeytab", set_waklog_keytab, wak_keytab, TAKE1, "Use the supplied keytab rather than the default"),
- { "WaklogUseKeytabPrincipal", set_waklog_use_keytab_principal,
- NULL, RSRC_CONF | ACCESS_CONF, TAKE1,
- "Use the supplied keytab principal rather than the default" },
+ command("WaklogUseKeytabPrincipal", set_waklog_use_keytab_principal, wak_ktprinc, TAKE1, "Use the supplied keytab principal rather than the default"),
- { "WaklogUseAFSCell", set_waklog_use_afs_cell,
- NULL, RSRC_CONF | ACCESS_CONF, TAKE1,
- "Use the supplied AFS cell rather than the default" },
+ command("WaklogUseAFSCell", set_waklog_use_afs_cell, wak_afscell, TAKE1, "Use the supplied AFS cell rather than the default"),
{ NULL }
};
- static void
+ static int
token_cleanup( void *data )
{
request_rec *r = (request_rec *)data;
ktc_ForgetAllTokens();
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() );
}
- return;
+ return 0;
}
static int
waklog_kinit( server_rec *s )
{
- krb5_error_code kerror;
+ krb5_error_code kerror = 0;
krb5_context kcontext = NULL;
krb5_principal kprinc = NULL;
krb5_get_init_creds_opt kopts;
krb5_ccache kccache = NULL;
krb5_keytab keytab = NULL;
char ktbuf[ MAX_KEYTAB_NAME_LEN + 1 ];
- waklog_host_config *cfg;
int i;
+ waklog_host_config *cfg;
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit called: pid: %d", getpid() );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: waklog_kinit called: pid: %d", getpid() );
- cfg = (waklog_host_config *) ap_get_module_config( s->module_config,
- &waklog_module );
+ getModConfig(cfg, s);
if (( kerror = krb5_init_context( &kcontext ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog: %s", (char *)error_message( kerror ));
goto cleanup;
}
/* use the path */
if (( kerror = krb5_cc_resolve( kcontext, K5PATH, &kccache )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog: %s", (char *)error_message( kerror ));
goto cleanup;
}
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: keytab_principal: %s", cfg->keytab_principal );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: keytab_principal: %s", cfg->keytab_principal );
if (( kerror = krb5_parse_name( kcontext, cfg->keytab_principal, &kprinc ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog: %s", (char *)error_message( kerror ));
goto cleanup;
}
-#if 0
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: kprinc->realm: %.*s", kprinc->realm.length, kprinc->realm.data );
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: kprinc->length: %d", kprinc->length );
- for ( i = 0; i < kprinc->length; i++ ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: kprinc->data[%d].data: %.*s", i, kprinc->data[i].length, kprinc->data[i].data );
- }
-#endif /* 0 */
-
krb5_get_init_creds_opt_init( &kopts );
krb5_get_init_creds_opt_set_tkt_life( &kopts, TKT_LIFE );
krb5_get_init_creds_opt_set_renew_life( &kopts, 0 );
/* keytab from config */
strncpy( ktbuf, cfg->keytab, sizeof( ktbuf ) - 1 );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit using: %s", ktbuf );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: waklog_kinit using: %s", ktbuf );
if (( kerror = krb5_kt_resolve( kcontext, ktbuf, &keytab )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog:krb5_kt_resolve %s", (char *)error_message( kerror ));
goto cleanup;
}
if (( kerror = krb5_get_init_creds_keytab( kcontext, &v5creds,
kprinc, keytab, 0, NULL, &kopts ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog:krb5_get_init_creds_keytab %s", (char *)error_message( kerror ));
goto cleanup;
}
-#if 0
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.client->realm: %.*s", v5creds.client->realm.length, v5creds.client->realm.data );
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.client->length: %d", v5creds.client->length );
- for ( i = 0; i < v5creds.client->length; i++ ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.client->data[%d].data: %.*s",
- i, v5creds.client->data[i].length, v5creds.client->data[i].data );
- }
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.server->realm: %.*s", v5creds.server->realm.length, v5creds.server->realm.data );
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.server->length: %d", v5creds.server->length );
- for ( i = 0; i < v5creds.server->length; i++ ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: v5creds.server->data[%d].data: %.*s",
- i, v5creds.server->data[i].length, v5creds.server->data[i].data );
- }
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit #4" );
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit kprinc==v5creds.server: %s",
- krb5_principal_compare( kcontext, kprinc, v5creds.server ) ? "true" : "false" );
-#endif /* 0 */
-
-#if 0
-#error the proof of the pudding is in the eating
- if (( kerror = krb5_verify_init_creds( kcontext, &v5creds,
- v5creds.server, keytab, NULL, &vopts )) != 0 ) {
-
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
-
- goto cleanup;
- }
-#endif /* 0 */
-
if (( kerror = krb5_cc_initialize( kcontext, kccache, kprinc )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog:krb5_cc_initialize %s", (char *)error_message( kerror ));
goto cleanup;
}
kerror = krb5_cc_store_cred( kcontext, kccache, &v5creds );
krb5_free_cred_contents( kcontext, &v5creds );
if ( kerror != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, s,
+ "mod_waklog: %s", (char *)error_message( kerror ));
goto cleanup;
}
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit success" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: waklog_kinit success" );
cleanup:
if ( keytab )
if ( kcontext )
krb5_free_context( kcontext );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
- "mod_waklog: waklog_kinit: exiting" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: waklog_kinit: exiting" );
- return( 0 );
+ return( kerror );
}
waklog_aklog( request_rec *r )
{
int rc;
- char buf[ 2048 ];
- const char *k4path = NULL;
+ char buf[ MAXKTCTICKETLEN ];
const char *k5path = NULL;
krb5_error_code kerror;
krb5_context kcontext = NULL;
waklog_host_config *cfg;
int buflen;
- k5path = ap_table_get( r->subprocess_env, "KRB5CCNAME" );
- k4path = ap_table_get( r->subprocess_env, "KRBTKFILE" );
+ k5path = MK_TABLE_GET( r->subprocess_env, "KRB5CCNAME" );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: waklog_aklog called: k5path: %s, k4path: %s", k5path, k4path );
+ log_error( APLOG_MARK, APLOG_INFO, 0, r->server,
+ "mod_waklog: waklog_aklog called: k5path: %s", k5path );
- if ( !k5path || !k4path ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: waklog_aklog giving up" );
+ if ( k5path == NULL ) {
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: waklog_aklog giving up" );
goto cleanup;
}
if (( kerror = krb5_init_context( &kcontext ))) {
/* Authentication Required ( kerberos error ) */
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ (char *)error_message( kerror ));
+
goto cleanup;
}
memset( (char *)&increds, 0, sizeof(increds));
- cfg = (waklog_host_config *) ap_get_module_config(
- r->server->module_config, &waklog_module );
+ getModConfig(cfg, r->server );
/* afs/<cell> or afs */
strncpy( buf, "afs", sizeof( buf ) - 1 );
/* set server part */
if (( kerror = krb5_parse_name( kcontext, buf, &increds.server ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ (char *)error_message( kerror ));
goto cleanup;
}
if (( kerror = krb5_cc_resolve( kcontext, k5path, &kccache )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ (char *)error_message( kerror ));
goto cleanup;
}
/* get the V5 credentials */
if (( kerror = krb5_get_credentials( kcontext, 0, kccache,
&increds, &v5credsp ) ) ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- "mod_waklog: krb5_get_credentials: %s", error_message( kerror ));
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ "mod_waklog: krb5_get_credentials: %s", error_message( kerror ));
goto cleanup;
}
- /* don't overflor */
- if ( v5credsp->ticket.length >= 344 ) { /* from krb524d.c */
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- "mod_waklog: ticket size (%d) to big to fake", v5credsp->ticket.length );
+ /* don't overflow */
+ if ( v5credsp->ticket.length >= MAXKTCTICKETLEN ) { /* from krb524d.c */
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ "mod_waklog: ticket size (%d) too big to fake", v5credsp->ticket.length );
goto cleanup;
}
sizeof( token.sessionKey ) )) ||
(memcmp( child.token.ticket, token.ticket, token.ticketLen )) ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: client: %s", buf );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: client: %s", buf );
/* build the name */
- memmove( buf, v5credsp->client->data[0].data, v5credsp->client->data[0].length );
+ memmove( buf, v5credsp->client->data[0].data,
+ min( v5credsp->client->data[0].length, MAXKTCNAMELEN - 1 ) );
buf[ v5credsp->client->data[0].length ] = '\0';
if ( v5credsp->client->length > 1 ) {
strncat( buf, ".", sizeof( buf ) - strlen( buf ) - 1 );
buflen = strlen( buf );
- memmove( buf + buflen, v5credsp->client->data[1].data, v5credsp->client->data[1].length );
+ memmove( buf + buflen, v5credsp->client->data[1].data,
+ min( v5credsp->client->data[1].length, MAXKTCNAMELEN - strlen( buf ) - 1 ) );
buf[ buflen + v5credsp->client->data[1].length ] = '\0';
}
/* assemble the client */
strncpy( client.name, buf, sizeof( client.name ) - 1 );
strncpy( client.instance, "", sizeof( client.instance) - 1 );
- memmove( buf, v5credsp->client->realm.data, v5credsp->client->realm.length );
+ memmove( buf, v5credsp->client->realm.data,
+ min( v5credsp->client->realm.length, MAXKTCNAMELEN - 1 ) );
buf[ v5credsp->client->realm.length ] = '\0';
strncpy( client.cell, buf, sizeof( client.cell ) - 1 );
/* assemble the server's cell */
strncpy( server.cell, cfg->afs_cell , sizeof( server.cell ) - 1 );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: server: name=%s, instance=%s, cell=%s",
- server.name, server.instance, server.cell );
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: client: name=%s, instance=%s, cell=%s",
- client.name, client.instance, client.cell );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: server: name=%s, instance=%s, cell=%s",
+ server.name, server.instance, server.cell );
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: client: name=%s, instance=%s, cell=%s",
+ client.name, client.instance, client.cell );
/* use the path */
- krb_set_tkt_string( (char *)k4path );
/* rumor: we have to do this for AIX 4.1.4 with AFS 3.4+ */
write( 2, "", 0 );
if ( ( rc = ktc_SetToken( &server, &token, &client, 0 ) ) ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- "mod_waklog: settoken returned %d", rc );
+ log_error( APLOG_MARK, APLOG_ERR, 0, r->server,
+ "mod_waklog: settoken returned %d", rc );
goto cleanup;
}
if ( kcontext )
krb5_free_context( kcontext );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: finished with waklog_aklog" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: finished with waklog_aklog" );
return;
waklog_child_routine( void *s, child_info *pinfo )
{
if ( !getuid() ) {
- ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s,
- "mod_waklog: waklog_child_routine called as root" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: waklog_child_routine called as root" );
/* this was causing the credential file to get owned by root */
setgid(ap_group_id);
while( 1 ) {
waklog_kinit( s );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: child_routine sleeping" );
sleep( SLEEP_TIME );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: slept, calling waklog_kinit" );
}
}
+#ifdef STANDARD20_MODULE_STUFF
+static int
+waklog_init_handler(apr_pool_t *p, apr_pool_t *plog,
+ apr_pool_t *ptemp, server_rec *s)
+{
+ int rv;
+ extern char *version;
+ apr_proc_t *proc;
+ waklog_host_config *cfg;
+ void *data;
+
+ getModConfig(cfg, s);
+ /* initialize_module() will be called twice, and if it's a DSO
+ * then all static data from the first call will be lost. Only
+ * set up our static data on the second call.
+ * see http://issues.apache.org/bugzilla/show_bug.cgi?id=37519 */
+ apr_pool_userdata_get(&data, userdata_key, s->process->pool);
+
+ if (!data) {
+ apr_pool_userdata_set((const void *)1, userdata_key,
+ apr_pool_cleanup_null, s->process->pool);
+ } else {
+ log_error( APLOG_MARK, APLOG_INFO, 0, s,
+ "mod_waklog: version %s initialized.", version );
+
+ proc = (apr_proc_t *)ap_pcalloc( s->process->pool, sizeof(apr_proc_t));
+
+ rv = apr_proc_fork(proc, s->process->pool);
+
+ if (rv == APR_INCHILD) {
+ waklog_child_routine(s, NULL);
+ } else {
+ apr_pool_note_subprocess(s->process->pool, proc, APR_KILL_ALWAYS);
+ }
+ /* parent and child */
+ cfg->forked = proc->pid;
+ }
+ return 0;
+}
+#else
static void
-waklog_init( server_rec *s, pool *p )
+waklog_init( server_rec *s, MK_POOL *p )
{
extern char *version;
int pid;
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s,
- "mod_waklog: version %s initialized.", version );
+ log_error( APLOG_MARK, APLOG_INFO, 0, s,
+ "mod_waklog: version %s initialized.", version );
pid = ap_bspawn_child( p, waklog_child_routine, s, kill_always,
NULL, NULL, NULL );
- ap_log_error( APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, s,
- "mod_waklog: ap_bspawn_child: %d.", pid );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, s,
+ "mod_waklog: ap_bspawn_child: %d.", pid );
}
-
+#endif
static int
waklog_phase0( request_rec *r )
{
waklog_host_config *cfg;
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: phase0 called" );
-
-#if 0
- /* directory config? */
- cfg = (waklog_host_config *)ap_get_module_config(
- r->per_dir_config, &waklog_module);
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0 called" );
+ getModConfig(cfg, r->server );
- /* server config? */
- if ( !cfg->configured ) {
-#endif /* 0 */
- cfg = (waklog_host_config *)ap_get_module_config(
- r->server->module_config, &waklog_module);
-#if 0
- }
-#endif /* 0 */
-
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0, checking cfg->protect" );
if ( !cfg->protect ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: phase0 declining" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0 declining" );
return( DECLINED );
}
- /* set our environment variables */
- ap_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH );
- ap_table_set( r->subprocess_env, "KRBTKFILE", K4PATH );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0, NOT setting environment variable" );
+ /* set our environment variable */
+ apr_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0, checking child.token.ticketLen" );
/* do this only if we are still unauthenticated */
if ( !child.token.ticketLen ) {
-
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0, calling waklog_aklog" );
/* stuff the credentials into the kernel */
waklog_aklog( r );
}
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: phase0 returning" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase0 returning" );
return DECLINED;
}
{
waklog_host_config *cfg;
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: phase7 called" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase7 called" );
-#if 0
- /* directory config? */
- cfg = (waklog_host_config *)ap_get_module_config(
- r->per_dir_config, &waklog_module);
-
- /* server config? */
- if ( !cfg->configured ) {
-#endif /* 0 */
- cfg = (waklog_host_config *)ap_get_module_config(
- r->server->module_config, &waklog_module);
-#if 0
- }
-#endif /* 0 */
+ getModConfig(cfg, r->server );
if ( !cfg->protect ) {
return( DECLINED );
}
/* stuff the credentials into the kernel */
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase7, calling waklog_aklog" );
waklog_aklog( r );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: phase7 returning" );
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase7 returning" );
return DECLINED;
}
- static void
-waklog_new_connection( conn_rec *c ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, c->server,
- "mod_waklog: new_connection called: pid: %d", getpid() );
- return;
+static
+#ifdef STANDARD20_MODULE_STUFF
+int
+#else
+void
+#endif
+waklog_new_connection( conn_rec *c
+#ifdef STANDARD20_MODULE_STUFF
+ , void *dummy
+#endif
+ ) {
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, c->base_server,
+ "mod_waklog: new_connection called: pid: %d", getpid() );
+ return
+#ifdef STANDARD20_MODULE_STUFF
+ 0
+#endif
+ ;
+}
+
+
+/*
+** Here's a quick explaination for phase0 and phase2:
+** Apache does a stat() on the path between phase0 and
+** phase2, and must by ACLed rl to succeed. So, at
+** phase0 we acquire credentials for umweb:servers from
+** a keytab, and at phase2 we must ensure we remove them.
+**
+** Failure to "unlog" would be a security risk.
+*/
+ static int
+waklog_phase2( request_rec *r )
+{
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase2 called" );
+
+ if ( child.token.ticketLen ) {
+ memset( &child.token, 0, sizeof( struct ktc_token ) );
+
+ ktc_ForgetAllTokens();
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() );
+ }
+
+ log_error( APLOG_MARK, APLOG_DEBUG, 0, r->server,
+ "mod_waklog: phase2 returning" );
+
+ return DECLINED;
}
+#ifndef STANDARD20_MODULE_STUFF
module MODULE_VAR_EXPORT waklog_module = {
STANDARD_MODULE_STUFF,
waklog_init, /* module initializer */
NULL, /* [#6] determine MIME type */
waklog_phase7, /* [#7] pre-run fixups */
NULL, /* [#9] log a transaction */
- NULL, /* [#2] header parser */
+ waklog_phase2, /* [#2] header parser */
waklog_child_init, /* child_init */
NULL, /* child_exit */
waklog_phase0 /* [#0] post read-request */
waklog_new_connection /* EAPI: new_connection */
#endif
};
+#else
+static void
+waklog_register_hooks(apr_pool_t *p)
+{
+ ap_hook_fixups(waklog_phase7, NULL, NULL, APR_HOOK_FIRST);
+ ap_hook_header_parser(waklog_phase2, NULL, NULL, APR_HOOK_FIRST);
+ ap_hook_child_init(waklog_child_init, NULL, NULL, APR_HOOK_FIRST);
+ ap_hook_post_read_request(waklog_phase0, NULL, NULL, APR_HOOK_FIRST);
+ ap_hook_pre_connection(waklog_new_connection, NULL, NULL, APR_HOOK_FIRST);
+ ap_hook_post_config(waklog_init_handler, NULL, NULL, APR_HOOK_MIDDLE);
+}
+
+
+module AP_MODULE_DECLARE_DATA waklog_module =
+{
+ STANDARD20_MODULE_STUFF,
+ NULL, /* create per-dir conf structures */
+ NULL, /* merge per-dir conf structures */
+ waklog_create_server_config, /* create per-server conf structures */
+ NULL, /* merge per-server conf structures */
+ waklog_cmds, /* table of configuration directives */
+ waklog_register_hooks /* register hooks */
+};
+#endif
+