#include <sys/ioccom.h>
#endif /* sun */
#include <stropts.h>
-#include <kerberosIV/krb.h>
-#include <kerberosIV/des.h>
#include <afs/venus.h>
#include <afs/auth.h>
#include <rx/rxkad.h>
-#include <asm/bitops.h>
-#include <sys/shm.h>
+#define KEYTAB "/home/drh/keytab.umweb.drhtest"
+#define KEYTAB_PRINCIPAL "umweb/drhtest"
-#define KEYTAB_PATH "/home/drh/keytab.umweb.drhtest"
-#define PRINCIPAL "umweb/drhtest"
-#define AFS "afs"
-#define IN_TKT_SERVICE "krbtgt/UMICH.EDU"
+#define TKT_LIFE 10*60*60
+#define SLEEP_TIME 5*60 /* should be TKT_LIFE */
-#define K5PATH "FILE:/tmp/waklog.creds.k5"
-#define K4PATH "/tmp/waklog.creds.k4"
+#define AFS_CELL "umich.edu" /* NB: lower case */
+
+#define K5PATH "FILE:/tmp/waklog.creds.k5"
+#define K4PATH "/tmp/waklog.creds.k4"
module waklog_module;
int protect;
char *keytab;
char *keytab_principal;
- char *afs_instance;
+ char *afs_cell;
} waklog_host_config;
-typedef struct {
- krb5_timestamp endtime; /* time krbtgt expires */
- int getting_tgt; /* TAS flag, protecting above */
-} waklog_mod_config;
-waklog_mod_config *mod = NULL;
-
-int shmid = -1;
-
typedef struct {
struct ktc_token token;
} waklog_child_config;
-waklog_child_config *child = NULL;
+waklog_child_config child;
+
static void *
waklog_create_dir_config( pool *p, char *path )
cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config ));
cfg->configured = 0;
cfg->protect = 0;
- cfg->keytab = 0;
- cfg->keytab_principal = 0;
- cfg->afs_instance = 0;
+ cfg->keytab = KEYTAB;
+ cfg->keytab_principal = KEYTAB_PRINCIPAL;
+ cfg->afs_cell = AFS_CELL;
return( cfg );
}
cfg = (waklog_host_config *)ap_pcalloc( p, sizeof( waklog_host_config ));
cfg->configured = 0;
cfg->protect = 0;
- cfg->keytab = 0;
- cfg->keytab_principal = 0;
- cfg->afs_instance = 0;
+ cfg->keytab = KEYTAB;
+ cfg->keytab_principal = KEYTAB_PRINCIPAL;
+ cfg->afs_cell = AFS_CELL;
return( cfg );
}
- static void
-waklog_init( server_rec *s, pool *p )
+ static const char *
+set_waklog_protect( cmd_parms *params, void *mconfig, int flag )
{
- extern char *version;
- static key_t shmkey = IPC_PRIVATE;
- struct shmid_ds shmbuf;
+ waklog_host_config *cfg;
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s,
- "mod_waklog: version %s initialized.", version );
+ if ( params->path == NULL ) {
+ cfg = (waklog_host_config *) ap_get_module_config(
+ params->server->module_config, &waklog_module );
+ } else {
+ cfg = (waklog_host_config *)mconfig;
+ }
- if ( mod == NULL ) {
- if (( shmid = shmget( shmkey, sizeof( waklog_mod_config ),
- IPC_CREAT | SHM_R | SHM_W )) == -1 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- "mod_waklog: shmget failed" );
- exit ( -1 );
- }
+ cfg->protect = flag;
+ cfg->configured = 1;
+ return( NULL );
+}
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s,
- "mod_waklog: waklog_init: created shared memory segment %d", shmid );
-
- if (( mod = (waklog_mod_config *) shmat( shmid, 0, 0 ) ) ==
- (waklog_mod_config *) -1 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- "mod_waklog: shmat failed" );
- /* we'll exit after removing the segment */
-
- } else {
- if ( shmctl( shmid, IPC_STAT, &shmbuf ) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- "mod_waklog: shmctl failed to stat" );
-
- } else {
- shmbuf.shm_perm.uid = ap_user_id;
- shmbuf.shm_perm.gid = ap_group_id;
-
- if ( shmctl( shmid, IPC_SET, &shmbuf ) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- "mod_waklog: shmctl failed to set" );
- }
- }
-
- }
- if ( shmctl( shmid, IPC_RMID, NULL ) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, s,
- "mod_waklog: shmctl failed to remove" );
- }
+ static const char *
+set_waklog_use_keytab( cmd_parms *params, void *mconfig, char *file )
+{
+ waklog_host_config *cfg;
- if ( mod == (waklog_mod_config *) -1 ) {
- exit ( -1 );
- }
+ if ( params->path == NULL ) {
+ cfg = (waklog_host_config *) ap_get_module_config(
+ params->server->module_config, &waklog_module );
+ } else {
+ cfg = (waklog_host_config *)mconfig;
}
- mod->endtime = 0;
- mod->getting_tgt = 0;
+ ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
+ "mod_waklog: using keytab: %s", file );
- return;
+ cfg->keytab = file;
+ cfg->configured = 1;
+ return( NULL );
}
static const char *
-set_waklog_protect( cmd_parms *params, void *mconfig, int flag )
+set_waklog_use_keytab_principal( cmd_parms *params, void *mconfig, char *file )
{
waklog_host_config *cfg;
cfg = (waklog_host_config *)mconfig;
}
- cfg->protect = flag;
+ ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
+ "mod_waklog: using keytab_principal: %s", file );
+
+ cfg->keytab_principal = file;
cfg->configured = 1;
return( NULL );
}
static const char *
-set_waklog_use_keytab( cmd_parms *params, void *mconfig, char *file )
+set_waklog_use_afs_cell( cmd_parms *params, void *mconfig, char *file )
{
waklog_host_config *cfg;
}
ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, params->server,
- "mod_waklog: using keytab: %s", file );
+ "mod_waklog: using afs_cell: %s", file );
- cfg->keytab = file;
+ cfg->afs_cell = file;
cfg->configured = 1;
return( NULL );
}
waklog_child_init( server_rec *s, pool *p )
{
- if ( child == NULL ) {
- child = (waklog_child_config *) ap_palloc( p, sizeof( waklog_child_config ) );
- }
-
- memset( &child->token, 0, sizeof( struct ktc_token ) );
+ memset( &child.token, 0, sizeof( struct ktc_token ) );
setpag();
- ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, s,
- "mod_waklog: waklog_child_init: child: 0x%08x", child );
-
return;
}
NULL, RSRC_CONF | ACCESS_CONF, FLAG,
"enable waklog on a location or directory basis" },
- { "WaklogUseKeytab", set_waklog_use_keytab,
+ { "WaklogUseKeytabPath", set_waklog_use_keytab,
+ NULL, RSRC_CONF, TAKE1,
+ "Use the supplied keytab rather than the default" },
+
+ { "WaklogUseKeytabPrincipal", set_waklog_use_keytab_principal,
NULL, RSRC_CONF, TAKE1,
- "Use the supplied keytab file rather than the user's TGT" },
+ "Use the supplied keytab principal rather than the default" },
+
+ { "WaklogUseAFSCell", set_waklog_use_afs_cell,
+ NULL, RSRC_CONF, TAKE1,
+ "Use the supplied AFS cell rather than the default" },
{ NULL }
};
static void
-pioctl_cleanup( void *data )
+token_cleanup( void *data )
{
request_rec *r = (request_rec *)data;
- if ( child->token.ticketLen ) {
- memset( &child->token, 0, sizeof( struct ktc_token ) );
+ if ( child.token.ticketLen ) {
+ memset( &child.token, 0, sizeof( struct ktc_token ) );
ktc_ForgetAllTokens();
ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: ktc_ForgetAllTokens succeeded" );
+ "mod_waklog: ktc_ForgetAllTokens succeeded: pid: %d", getpid() );
}
return;
}
static int
-waklog_ktinit( request_rec *r, char *keytab_path )
+waklog_kinit( server_rec *s )
{
krb5_error_code kerror;
- krb5_context kcontext;
- krb5_principal kprinc;
+ krb5_context kcontext = NULL;
+ krb5_principal kprinc = NULL;
krb5_get_init_creds_opt kopts;
krb5_creds v5creds;
- CREDENTIALS v4creds;
- krb5_ccache kccache;
- krb5_keytab keytab = 0;
+ krb5_ccache kccache = NULL;
+ krb5_keytab keytab = NULL;
char ktbuf[ MAX_KEYTAB_NAME_LEN + 1 ];
- krb5_timestamp now;
+ waklog_host_config *cfg;
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: waklog_ktinit called" );
+ ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
+ "mod_waklog: waklog_kinit called" );
- /* set our environment variables */
- ap_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH );
- ap_table_set( r->subprocess_env, "KRBTKFILE", K4PATH );
+ cfg = (waklog_host_config *) ap_get_module_config( s->module_config,
+ &waklog_module );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: KRB5CCNAME: %s, KRBTKFILE: %s", K5PATH, K4PATH );
-
-#define SOON 300
-
- /* will we need another tgt soon? */
- now = time( NULL );
- if ( !mod->getting_tgt && mod->endtime < now + SOON ) {
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: mod->endtime: %u, now: %u", mod->endtime, now );
+ if (( kerror = krb5_init_context( &kcontext ))) {
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- /*
- ** Only one process will get into the critical region below and
- ** replace the soon-to-be-expired credential; the rest will just
- ** use the still-good credential until the new one shows up.
- **
- ** The TAS flag will stop other processes from entering the
- ** first half of the conditional above, and the critical region
- ** below will not exit until mod->endtime has been updated to
- ** reflect that of the new credentials (or fail).
- **
- ** (While it is possible for all child processes to get past the
- ** first half of the conditional above, and then for one
- ** process to get into the critical region below and run to the
- ** end (clearing the TAS flag), a fair scheduler would not
- ** do this; but even so, it really wouldn't kill us if ALL of
- ** the child processes got credentials, anyway.
- */
- if ( !test_and_set_bit( 0, &mod->getting_tgt ) ) {
+ goto cleanup;
+ }
- if (( kerror = krb5_init_context( &kcontext ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ /* use the path */
+ if (( kerror = krb5_cc_resolve( kcontext, K5PATH, &kccache )) != 0 ) {
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- goto cleanup1;
- }
+ goto cleanup;
+ }
- /* use the path */
- if (( kerror = krb5_cc_resolve( kcontext, K5PATH, &kccache )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ if (( kerror = krb5_parse_name( kcontext, cfg->keytab_principal, &kprinc ))) {
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- goto cleanup2;
- }
+ goto cleanup;
+ }
- if (( kerror = krb5_parse_name( kcontext, PRINCIPAL, &kprinc ))) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup3;
- }
+ 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 );
+ krb5_get_init_creds_opt_set_forwardable( &kopts, 1 );
+ krb5_get_init_creds_opt_set_proxiable( &kopts, 0 );
- krb5_get_init_creds_opt_init( &kopts );
- krb5_get_init_creds_opt_set_tkt_life( &kopts, 10*60*60 );
- krb5_get_init_creds_opt_set_renew_life( &kopts, 0 );
- krb5_get_init_creds_opt_set_forwardable( &kopts, 1 );
- krb5_get_init_creds_opt_set_proxiable( &kopts, 0 );
+ /* keytab from config */
+ strncpy( ktbuf, cfg->keytab, sizeof( ktbuf ) - 1 );
- /* which keytab should we use? */
- strcpy( ktbuf, keytab_path ? keytab_path : KEYTAB_PATH );
-
- if ( strlen( ktbuf ) > MAX_KEYTAB_NAME_LEN ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- "server configuration error" );
-
- goto cleanup4;
- }
-
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: waklog_ktinit using: %s", ktbuf );
-
- if (( kerror = krb5_kt_resolve( kcontext, ktbuf, &keytab )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup4;
- }
-
- /* get the krbtgt */
- if (( kerror = krb5_get_init_creds_keytab( kcontext, &v5creds,
- kprinc, keytab, 0, IN_TKT_SERVICE, &kopts ))) {
-
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup5;
- }
-
- if (( kerror = krb5_verify_init_creds( kcontext, &v5creds,
- kprinc, keytab, NULL, NULL )) != 0 ) {
-
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup6;
- }
-
- if (( kerror = krb5_cc_initialize( kcontext, kccache, kprinc )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup6;
- }
-
- if (( kerror = krb5_cc_store_cred( kcontext, kccache, &v5creds )) != 0 ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
-
- goto cleanup6;
- }
-
- /* convert K5 => K4 */
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: before krb524_convert_creds" );
-
- if (( kerror = krb524_convert_creds_kdc( kcontext,
- &v5creds, &v4creds )) != 0 ) {
+ ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
+ "mod_waklog: waklog_kinit using: %s", ktbuf );
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ if (( kerror = krb5_kt_resolve( kcontext, ktbuf, &keytab )) != 0 ) {
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- goto cleanup6;
- }
+ goto cleanup;
+ }
- /* use the path */
- krb_set_tkt_string( (char *)K4PATH );
+ /* get the krbtgt */
+ if (( kerror = krb5_get_init_creds_keytab( kcontext, &v5creds,
+ kprinc, keytab, 0, NULL, &kopts ))) {
- /* initialize ticket cache */
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: before in_tkt" );
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- if (( kerror = in_tkt( v4creds.pname, v4creds.pinst )) != KSUCCESS ) {
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ goto cleanup;
+ }
- goto cleanup6;
- }
+ if (( kerror = krb5_verify_init_creds( kcontext, &v5creds,
+ kprinc, keytab, NULL, NULL )) != 0 ) {
- /* stash, ticket, session key, etc for future use */
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: before krb_save_credentials" );
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- if (( kerror = krb_save_credentials( v4creds.service,
- v4creds.instance,
- v4creds.realm,
- v4creds.session,
- v4creds.lifetime,
- v4creds.kvno,
- &(v4creds.ticket_st),
- v4creds.issue_date )) != 0 ) {
+ goto cleanup;
+ }
- ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
- (char *)error_message( kerror ));
+ if (( kerror = krb5_cc_initialize( kcontext, kccache, kprinc )) != 0 ) {
+ ap_log_error( APLOG_MARK, APLOG_ERR, s,
+ (char *)error_message( kerror ));
- goto cleanup6;
- }
+ goto cleanup;
+ }
- /* save this */
- mod->endtime = v5creds.times.endtime;
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: mod->endtime: %u, mod->getting_tgt: %d",
- mod->endtime, mod->getting_tgt );
+ 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 ));
-cleanup6: krb5_free_cred_contents( kcontext, &v5creds );
-cleanup5: (void)krb5_kt_close( kcontext, keytab );
-cleanup4: krb5_free_principal( kcontext, kprinc );
-cleanup3: krb5_cc_close( kcontext, kccache );
-cleanup2: krb5_free_context( kcontext );
+ goto cleanup;
+ }
- /* exit the critical region */
-cleanup1: mod->getting_tgt = 0;
- }
+ ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
+ "mod_waklog: waklog_kinit success" );
- }
+cleanup:
+ if ( keytab )
+ (void)krb5_kt_close( kcontext, keytab );
+ if ( kprinc )
+ krb5_free_principal( kcontext, kprinc );
+ if ( kccache )
+ krb5_cc_close( kcontext, kccache );
+ if ( kcontext )
+ krb5_free_context( kcontext );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: waklog_ktinit: exiting" );
+ ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, s,
+ "mod_waklog: waklog_kinit: exiting" );
return( 0 );
}
waklog_aklog( request_rec *r )
{
int rc;
- char buf[ 1024 ];
+ char buf[ 2048 ];
const char *k4path = NULL;
const char *k5path = NULL;
krb5_error_code kerror;
- krb5_context kcontext;
+ krb5_context kcontext = NULL;
krb5_creds increds;
krb5_creds *v5credsp = NULL;
- CREDENTIALS v4creds;
- krb5_ccache kccache;
- struct ktc_principal server = { "afs", "", "umich.edu" };
+ krb5_ccache kccache = NULL;
+ struct ktc_principal server = { "afs", "", "" };
struct ktc_principal client;
struct ktc_token token;
+ waklog_host_config *cfg;
+ int buflen;
k5path = ap_table_get( r->subprocess_env, "KRB5CCNAME" );
k4path = ap_table_get( r->subprocess_env, "KRBTKFILE" );
if ( !k5path || !k4path ) {
ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
"mod_waklog: waklog_aklog giving up" );
- return;
+ goto cleanup;
}
/*
ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
(char *)error_message( kerror ));
- return;
+ goto cleanup;
}
memset( (char *)&increds, 0, sizeof(increds));
+ cfg = (waklog_host_config *) ap_get_module_config(
+ r->server->module_config, &waklog_module );
+
+ /* afs/<cell> or afs */
+ strncpy( buf, "afs", sizeof( buf ) - 1 );
+ if ( strcmp( cfg->afs_cell, AFS_CELL ) ) {
+ strncat( buf, "/" , sizeof( buf ) - strlen( buf ) - 1 );
+ strncat( buf, cfg->afs_cell, sizeof( buf ) - strlen( buf ) - 1 );
+ }
+
/* set server part */
- if (( kerror = krb5_parse_name( kcontext, AFS, &increds.server ))) {
+ if (( kerror = krb5_parse_name( kcontext, buf, &increds.server ))) {
ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
(char *)error_message( kerror ));
- return;
+ goto cleanup;
}
if (( kerror = krb5_cc_resolve( kcontext, k5path, &kccache )) != 0 ) {
ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
(char *)error_message( kerror ));
- return;
+ goto cleanup;
}
/* set client part */
/* get the V5 credentials */
if (( kerror = krb5_get_credentials( kcontext, 0, kccache,
&increds, &v5credsp ) ) ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: krb5_get_credentials: %s", krb_err_txt[ kerror ] );
- return;
+ ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
+ "mod_waklog: krb5_get_credentials: %s", error_message( kerror ));
+ goto cleanup;
}
- /* get the V4 credentials */
- if (( kerror = krb524_convert_creds_kdc( kcontext, v5credsp, &v4creds ) ) ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: krb524_convert_creds_kdc: %s", krb_err_txt[ kerror ] );
- return;
+ /* 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 );
+ goto cleanup;
}
/* assemble the token */
- token.kvno = v4creds.kvno;
- token.startTime = v4creds.issue_date;
+ memset( &token, 0, sizeof( struct ktc_token ) );
+
+ token.startTime = v5credsp->times.starttime ? v5credsp->times.starttime : v5credsp->times.authtime;
token.endTime = v5credsp->times.endtime;
- memmove( &token.sessionKey, v4creds.session, 8 );
- token.ticketLen = v4creds.ticket_st.length ;
- memmove( token.ticket, v4creds.ticket_st.dat, token.ticketLen );
+ memmove( &token.sessionKey, v5credsp->keyblock.contents, v5credsp->keyblock.length );
+ token.kvno = RXKAD_TKT_TYPE_KERBEROS_V5;
+ token.ticketLen = v5credsp->ticket.length;
+ memmove( token.ticket, v5credsp->ticket.data, token.ticketLen );
/* make sure we have to do this */
- if ( child->token.kvno != token.kvno ||
- child->token.ticketLen != token.ticketLen ||
- memcmp( &child->token.sessionKey, &token.sessionKey,
- sizeof( token.sessionKey ) ) ||
- memcmp( child->token.ticket, token.ticket, token.ticketLen ) ) {
+ if ( child.token.kvno != token.kvno ||
+ child.token.ticketLen != token.ticketLen ||
+ (memcmp( &child.token.sessionKey, &token.sessionKey,
+ sizeof( token.sessionKey ) )) ||
+ (memcmp( child.token.ticket, token.ticket, token.ticketLen )) ) {
ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: %s.%s@%s", v4creds.service, v4creds.instance,
- v4creds.realm );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: %d %d %d", v4creds.lifetime, v4creds.kvno,
- v4creds.issue_date );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: %s %s", v4creds.pname, v4creds.pinst );
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
- "mod_waklog: %d", v4creds.ticket_st.length );
+ "mod_waklog: client: %s", buf );
/* build the name */
- strcpy( buf, v4creds.pname );
- if ( v4creds.pinst[ 0 ] ) {
- strcat( buf, "." );
- strcat( buf, v4creds.pinst );
+ memmove( buf, v5credsp->client->data[0].data, v5credsp->client->data[0].length );
+ 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 );
+ buf[ buflen + v5credsp->client->data[1].length ] = '\0';
}
/* assemble the client */
- strncpy( client.name, buf, MAXKTCNAMELEN - 1 );
- strcpy( client.instance, "" );
- strncpy( client.cell, v4creds.realm, MAXKTCNAMELEN - 1 );
+ 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 );
+ 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",
write( 2, "", 0 );
if ( ( rc = ktc_SetToken( &server, &token, &client, 0 ) ) ) {
- ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
+ ap_log_error( APLOG_MARK, APLOG_ERR, r->server,
"mod_waklog: settoken returned %d", rc );
+ goto cleanup;
}
/* save this */
- memmove( &child->token, &token, sizeof( struct ktc_token ) );
+ memmove( &child.token, &token, sizeof( struct ktc_token ) );
/* we'll need to unlog when this connection is done. */
- ap_register_cleanup( r->pool, (void *)r, pioctl_cleanup, ap_null_cleanup );
+ ap_register_cleanup( r->pool, (void *)r, token_cleanup, ap_null_cleanup );
}
- krb5_free_cred_contents( kcontext, v5credsp );
- krb5_free_principal( kcontext, increds.client );
- krb5_cc_close( kcontext, kccache );
- krb5_free_context( kcontext );
+cleanup:
+ if ( v5credsp )
+ krb5_free_cred_contents( kcontext, v5credsp );
+ if ( increds.client )
+ krb5_free_principal( kcontext, increds.client );
+ if ( increds.server )
+ krb5_free_principal( kcontext, increds.server );
+ if ( kccache )
+ krb5_cc_close( kcontext, kccache );
+ if ( kcontext )
+ krb5_free_context( kcontext );
ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, r->server,
"mod_waklog: finished with waklog_aklog" );
+ return;
+
+}
+
+ static int
+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" );
+
+ /* this was causing the credential file to get owned by root */
+ setgid(ap_group_id);
+ setuid(ap_user_id);
+ }
+
+ while( 1 ) {
+ waklog_kinit( s );
+ sleep( SLEEP_TIME );
+ }
+
+}
+
+
+ static void
+waklog_init( server_rec *s, pool *p )
+{
+ extern char *version;
+ int pid;
+
+ ap_log_error( APLOG_MARK, APLOG_INFO|APLOG_NOERRNO, 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 );
}
}
/* do this only if we are still unauthenticated */
- if ( !child->token.ticketLen ) {
+ if ( !child.token.ticketLen ) {
- /* authenticate using keytab file */
- waklog_ktinit( r , cfg->keytab );
+ /* set our environment variables */
+ ap_table_set( r->subprocess_env, "KRB5CCNAME", K5PATH );
+ ap_table_set( r->subprocess_env, "KRBTKFILE", K4PATH );
/* stuff the credentials into the kernel */
waklog_aklog( r );
static void
waklog_new_connection( conn_rec *c ) {
ap_log_error( APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, c->server,
- "mod_waklog: new_connection called: conn_rec: 0x%08x pid: %d", c, getpid() );
+ "mod_waklog: new_connection called: pid: %d", getpid() );
return;
}
HCoop / hcoop / debian / libapache-mod-waklog.git / blobdiff