int gtm_init()
{
rhdtyp *base_addr;
unsigned char *transfer_addr;
error_def(ERR_CITPNESTED);
error_def(ERR_CIMAXLEVELS);
if (!gtm_startup_active)
{ /* call-in invoked from C as base. GT.M hasn't been started up yet. */
image_type = GTM_IMAGE;
gtm_env_init(); /* read in all environment variables */
err_init(stop_image_conditional_core);
cli_lex_setup(0, NULL);
/* Initialize msp to the maximum so if errors occur during GT.M startup below,
* the unwind logic in gtmci_ch() will get rid of the whole stack. */
msp = (unsigned char*)-1;
}
ESTABLISH_RET(gtmci_ch, mumps_status);
if (!gtm_startup_active)
{ /* GT.M is not active yet. Create GT.M startup environment */
invocation_mode = MUMPS_CALLIN;
init_gtm();
gtm_savetraps(); /* nullify default $ZTRAP handling */
assert(gtm_startup_active);
assert(frame_pointer->flags & SFF_CI);
nested_level = 1;
}
else if (!(frame_pointer->flags & SFF_CI))
{ /* Nested call-in: setup a new CI environment (SFF_CI frame on top of base-frame) */
/* Mark the beginning of the new stack so that initialization errors in
* call-in frame do not unwind entries of the previous stack (see gtmci_ch).*/
fgncal_stack = msp;
/* Report if condition handlers stack may overrun during this callin level.
* Every underlying level can not have more than 2 active condition handlers,
* plus extra MAX_HANDLERS are reserved for this level. */
if (chnd_end - ctxt <= MAX_HANDLERS)
rts_error(VARLSTCNT(3) ERR_CIMAXLEVELS, 1, nested_level);
/* Disallow call-ins within a TP boundary since TP restarts are not supported
* currently across nested call-ins. When we implement TP restarts across call-ins,
* this error needs be changed to a Warning or Notification */
if (0 < dollar_tlevel)
rts_error(VARLSTCNT(1) ERR_CITPNESTED);
base_addr = make_cimode();
transfer_addr = PTEXT_ADR(base_addr);
gtm_init_env(base_addr, transfer_addr);
SET_CI_ENV(ci_ret_code_exit);
gtmci_isv_save();
nested_level++;
}
/* Now that GT.M is initialized. Mark the new stack pointer (msp) so that errors
* while executing an M routine do not unwind stack below this mark. It important that
* the call-in frames (SFF_CI), that hold nesting information (eg. $ECODE/$STACK data
* of the previous stack), are kept from being unwound. */
fgncal_stack = msp;
REVERT;
return 0;
}
int main (int argc, char **argv)
{
int res;
DCL_THREADGBL_ACCESS;
GTM_THREADGBL_INIT;
set_blocksig();
gtm_imagetype_init(MUPIP_IMAGE);
invocation_mode = MUMPS_UTILTRIGR;
gtm_wcswidth_fnptr = gtm_wcswidth;
gtm_env_init(); /* read in all environment variables */
err_init(util_base_ch);
UNICODE_ONLY(gtm_strToTitle_ptr = >m_strToTitle);
GTM_ICU_INIT_IF_NEEDED; /* Note: should be invoked after err_init (since it may error out) and before CLI parsing */
sig_init(generic_signal_handler, NULL, suspsigs_handler, continue_handler); /* Note: no ^C handler is defined (yet) */
atexit(mupip_exit_handler);
licensed = TRUE;
in_backup = FALSE;
op_open_ptr = mu_op_open;
mu_get_term_characterstics();
cli_lex_setup(argc,argv);
if (argc < 2) /* Interactive mode */
display_prompt();
/* this call should be after cli_lex_setup() due to S390 A/E conversion */
gtm_chk_dist(argv[0]);
INIT_GBL_ROOT(); /* Needed for GVT initialization */
init_gtm();
while (TRUE)
{ func = 0;
if ((res = parse_cmd()) == EOF)
break;
else if (res)
{
if (1 < argc)
rts_error(VARLSTCNT(4) res, 2, LEN_AND_STR(cli_err_str));
else
gtm_putmsg(VARLSTCNT(4) res, 2, LEN_AND_STR(cli_err_str));
}
if (func)
func();
if (argc > 1) /* Non-interactive mode, exit after command */
break;
display_prompt();
}
mupip_exit(SS_NORMAL);
}
int gtm_main (int argc, char **argv, char **envp)
#ifdef __osf__
# pragma pointer_size (restore)
#endif
{
char *ptr, *eq, **p;
int eof, parse_ret;
int gtmcrypt_errno;
# ifdef GTM_SOCKET_SSL_SUPPORT
int status;
char tlsid_env_name[MAX_TLSID_LEN * 2];
# endif
DCL_THREADGBL_ACCESS;
GTM_THREADGBL_INIT;
gtmenvp = envp;
gtm_dist_ok_to_use = TRUE;
common_startup_init(GTM_IMAGE);
GTMTRIG_DBG_ONLY(ch_at_trigger_init = &mdb_condition_handler);
err_init(stop_image_conditional_core);
UNICODE_ONLY(gtm_strToTitle_ptr = >m_strToTitle);
GTM_ICU_INIT_IF_NEEDED; /* Note: should be invoked after err_init (since it may error out) and before CLI parsing */
cli_lex_setup(argc, argv);
/* put the arguments into buffer, then clean up the token buffer
* cli_gettoken() copies all arguments except the first one argv[0]
* into the buffer (cli_lex_in_ptr->in_str).
* i.e. command line: "/usr/library/V990/mumps -run somefile"
* the buffer cli_lex_in_ptr->in_str == "-run somefile"
*/
if (1 < argc)
cli_gettoken(&eof);
/* cli_gettoken() extracts the first token into cli_token_buf (in tok_extract())
* which should be done in parse_cmd(), So, reset the token buffer here to make
* parse_cmd() starts from the first token
*/
cli_token_buf[0] = '\0';
/* insert the "MUMPS " in the parsing buffer the buffer is now:
* cli_lex_in_ptr->in_str == "MUMPS -run somefile"
* we didnot change argv[0]
*/
ptr = cli_lex_in_ptr->in_str;
memmove(strlen("MUMPS ") + ptr, ptr, strlen(ptr) + 1); /* BYPASSOK */
MEMCPY_LIT(ptr, "MUMPS ");
/* reset the argument buffer pointer, it's changed in cli_gettoken() call above
* do NOT reset to 0(NULL) to avoid fetching cmd line args into buffer again
* cli_lex_in_ptr->tp is the pointer to indicate current position in the buffer
* cli_lex_in_ptr->in_str
*/
cli_lex_in_ptr->tp = cli_lex_in_ptr->in_str;
parse_ret = parse_cmd();
if (parse_ret && (EOF != parse_ret))
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(4) parse_ret, 2, LEN_AND_STR(cli_err_str));
if (cli_present("DIRECT_MODE"))
invocation_mode = MUMPS_DIRECT;
else if (cli_present("RUN"))
invocation_mode = MUMPS_RUN;
gtm_chk_dist(argv[0]);
/* this should be after cli_lex_setup() due to S390 A/E conversion in cli_lex_setup */
init_gtm();
# ifdef GTM_TLS
if (MUMPS_COMPILE != invocation_mode)
{
if ((NULL != (ptr = (char *)getenv(GTM_PASSWD_ENV))) && (0 == strlen(ptr)))
{
INIT_PROC_ENCRYPTION(NULL, gtmcrypt_errno);
if (0 != gtmcrypt_errno)
{
CLEAR_CRYPTERR_MASK(gtmcrypt_errno);
assert(!IS_REPEAT_MSG_MASK(gtmcrypt_errno));
assert((ERR_CRYPTDLNOOPEN == gtmcrypt_errno) || (ERR_CRYPTINIT == gtmcrypt_errno));
if (ERR_CRYPTDLNOOPEN == gtmcrypt_errno)
gtmcrypt_errno = ERR_CRYPTDLNOOPEN2;
else if (ERR_CRYPTINIT == gtmcrypt_errno)
gtmcrypt_errno = ERR_CRYPTINIT2;
gtmcrypt_errno = SET_CRYPTERR_MASK(gtmcrypt_errno);
GTMCRYPT_REPORT_ERROR(gtmcrypt_errno, rts_error, SIZEOF(GTMCRYPT_ERRLIT) - 1, GTMCRYPT_ERRLIT); /* BYPASSOK */
}
}
# ifdef GTM_SOCKET_SSL_SUPPORT
/* The below logic is for prefetching the password for TLS identifiers that may have been set in the environment.
* But, since SSL support for Socket devices is not yet implemented, this logic need not be enabled as of this
* writing. When SSL support for socket devices is implemented, the surrounding #ifdef can be removed.
*/
if (NULL != getenv("gtmcrypt_config"))
{ /* Environment is configured for SSL/TLS (and/or encryption). Check if any environment variable of the form
* `gtmtls_passwd_*' is set to NULL string. If so, nudge the SSL/TLS library to read password(s) from the
* user.
*/
for (p = envp; *p; p++)
{
ptr = *p;
if (0 == MEMCMP_LIT(ptr, GTMTLS_PASSWD_ENV_PREFIX))
{ /* At least one environment variable of $gtmtls_passwd_* is found. */
eq = strchr(ptr, '=');
if (0 != strlen(eq + 1))
break; /* Set to non-empty string. No need to initialize the library now. */
/* Set to empty string. */
if (NULL == tls_ctx)
{
if (SS_NORMAL != (status = gtm_tls_loadlibrary()))
{
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_TLSDLLNOOPEN, 0,
ERR_TEXT, 2, LEN_AND_STR(dl_err));
}
if (NULL == (tls_ctx = gtm_tls_init(GTM_TLS_API_VERSION,
GTMTLS_OP_INTERACTIVE_MODE)))
{
rts_error_csa(CSA_ARG(NULL) VARLSTCNT(6) ERR_TLSINIT, 0,
ERR_TEXT, 2, LEN_AND_STR(gtm_tls_get_error()));
}
}
assert(NULL != tls_ctx);
assert((MAX_TLSID_LEN * 2) > (int)(eq - ptr));
memcpy(tlsid_env_name, ptr, (int)(eq - ptr));
tlsid_env_name[(int)(eq - ptr)] = '\0';
gtm_tls_prefetch_passwd(tls_ctx, tlsid_env_name);
}
}
}
# endif
}
# endif
dm_start();
return 0;
}
