130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
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/****************************************************************
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* *
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* Copyright 2001, 2011 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#ifndef _GTMSECSHR
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#define _GTMSECSHR
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#define GTMSECSHR_MESG_TIMEOUT 30
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#define GTMSECSHR_PERMS 0666
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/* Exit codes from gtmsecshr */
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#define NORMALEXIT 0
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#define SETUIDROOT 1
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#define SETGIDROOT 2
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#define UNABLETOOPNLOGFILE 3
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#define UNABLETODUPLOG 4
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#define INVTRANSGTMSECSHR 5
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#define UNABLETOEXECGTMSECSHR 6
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#define GNDCHLDFORKFLD 7
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#define UNABLETOOPNLOGFILEFTL 8
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#define SEMGETERROR 9
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#define SEMAPHORETAKEN 10
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#define SYSLOGHASERRORDETAIL 11
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#define UNABLETOCHDIR 12
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/* return codes with gtmsecshr*/
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#define INVLOGNAME 20
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#define BINDERR 21
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#define SOCKETERR 22
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#define UNLINKERR 23
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#define FTOKERR 24
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/* special flag from gtmsecshr_sock_init for client if could not get normal socket name */
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#define ONETIMESOCKET -1
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/* arguments for gtmsecshr_sock_init */
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#define SERVER 0
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#define CLIENT 1
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#define GTMSECSHR_LOG_DIR GTM_LOG_ENV
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#define DEFAULT_GTMSECSHR_LOG_DIR DEFAULT_GTM_TMP
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#define GTMSECSHR_LOG_PREFIX "gtm_secshr_log"
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#define GTMSECSHR_SOCK_DIR GTM_TMP_ENV
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#define DEFAULT_GTMSECSHR_SOCK_DIR DEFAULT_GTM_TMP
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#define GTMSECSHR_SOCK_PREFIX "gtm_secshr"
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#define GTMSECSHR_PATH GTM_DIST_LOG "/gtmsecshr"
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#define ROOTUID 0
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#define ROOTGID 0
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#define ABSOLUTE_PATH(X) (X[0] == '/')
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#ifdef SHORT_GTMSECSHR_TIMEOUT
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#define MAX_TIMEOUT_VALUE 30
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#else
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#define MAX_TIMEOUT_VALUE 6000
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#endif
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#define MAX_ID_LEN 8
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#define MAX_MESG 2048
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#define MAX_GTMSECSHR_FAIL_MESG_LEN 70
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#define MAX_SOCKFILE_NAME_LEN 25
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typedef struct ipcs_mesg_struct {
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int semid;
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int shmid;
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time_t gt_sem_ctime;
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time_t gt_shm_ctime;
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unsigned int fn_len;
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char fn[MAX_TRANS_NAME_LEN];
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} ipcs_mesg;
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typedef struct gtmsecshr_mesg_struct {
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int len; /* this is the whole hdr (4 ints) plus the mesg data */
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int code;
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int ack;
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int pid;
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unsigned long seqno;
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union
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{
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long id;
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char path[MAX_TRANS_NAME_LEN];
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ipcs_mesg db_ipcs;
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}mesg;
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}gtmsecshr_mesg;
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/* include <stddef.h> for offsetof() */
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#define GTM_MESG_HDR_SIZE offsetof(gtmsecshr_mesg, mesg.id)
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/* There should be NO deletions of messages types. Only replacements with the UNUSED_ prefix to signal disuse.
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* This is because we want to maintain a static mapping between a given command and its corresponding message
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* type number across all versions of GT.M (old and new). This way there is no chance of misinterpreting a command
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* in case there is a version mismatch between the GT.M client and GTMSECSHR server processes.
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*/
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enum gtmsecshr_mesg_type{
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WAKE_MESSAGE = 1,
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UNUSED_CHECK_PROCESS_ALIVE,
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REMOVE_SEM,
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REMOVE_SHMMEM,
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UNUSED_PING_MESSAGE,
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REMOVE_FILE,
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CONTINUE_PROCESS,
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UNUSED_PING_MESG_RECVD,
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FLUSH_DB_IPCS_INFO,
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GTMSECSHR_MESG_COUNT
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};
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enum gtmsecshr_ack_type{
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ACK_NOT_REQUIRED,
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ACK_REQUIRED
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};
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void gtmsecshr_log(char *, int), gtmsecshr_exit(int, boolean_t), gtmsecshr_init(void), gtmsecshr_sig_init(void);
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void gtmsecshr_switch_log_file(int);
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int gtmsecshr_open_log_file(void), gtmsecshr_getenv(char *, char **);
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int service_request(gtmsecshr_mesg *);
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int4 gtmsecshr_sock_init(int caller);
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void gtmsecshr_sock_cleanup(int);
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int4 gtmsecshr_pathname_init(int caller);
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int continue_proc(pid_t pid);
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#endif
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