int
omi_prc_qry(omi_conn *cptr, char *xend, char *buff, char *bend)
{
char *bptr, *eptr;
int rv;
omi_li len;
mval v;
uns_char *bgn1, *bgn2, *sbsp;
char *grp;
int grl;
bptr = buff;
/* Global Ref */
OMI_LI_READ(&len, cptr->xptr);
/* Condition handler for DBMS operations */
ESTABLISH_RET(omi_dbms_ch,0);
rv = omi_gvextnam(cptr, len.value, cptr->xptr);
/* If true, there was an error finding the global reference in the DBMS */
if (rv < 0) {
REVERT;
return rv;
}
eptr = cptr->xptr;
cptr->xptr += len.value;
/* Bounds checking */
if (cptr->xptr > xend) {
REVERT;
return -OMI_ER_PR_INVMSGFMT;
}
op_gvquery(&v);
REVERT;
if (v.str.len == 0) {
OMI_LI_WRIT(0, bptr);
return bptr - buff;
}
/* Put a global reference into the reply */
bgn1 = (uns_char *)bptr;
bptr += OMI_LI_SIZ;
/* Environment (we give back the request environment) */
OMI_LI_READ(&len, eptr);
OMI_LI_WRIT(len.value, bptr);
(void) memcpy(bptr, eptr, len.value);
bptr += len.value;
/* Global name */
bgn2 = (uns_char *)bptr++;
*bptr++ = '^';
grp = (char *)gv_altkey->base;
grl = strlen(grp);
OMI_SI_WRIT(grl + 1, bgn2);
(void) strcpy(bptr, grp);
bptr += grl;
/* Subscripts */
for (grp += grl + 1; *grp; grp += strlen(grp) + 1) {
bgn2 = (uns_char *)bptr++;
sbsp = gvsub2str((uchar_ptr_t)grp, (uchar_ptr_t)bptr, FALSE);
grl = sbsp - (uns_char *)bptr;
OMI_SI_WRIT(grl, bgn2);
bptr += grl;
sbsp += grl + 1;
}
/* Length of the global reference */
grl = (uns_char *)bptr - bgn1;
OMI_LI_WRIT(grl - OMI_LI_SIZ, bgn1);
return bptr - buff;
}
int omi_prc_conn(omi_conn *cptr, char *xend, char *buff, char *bend)
{
omi_si si, eightbit, chartran, ss_len, ext_cnt;
omi_li li_min, li_max, ext;
uns_short li_val;
int len, i;
char *bptr, *eptr;
char *ag_name, *ag_pass, *s;
bptr = buff;
/* Version numbers */
OMI_SI_READ(&si, cptr->xptr);
if (si.value != OMI_PROTO_MAJOR)
return -OMI_ER_SE_VRSNOTSUPP;
OMI_SI_WRIT(OMI_PROTO_MAJOR, bptr);
/* XXX minor version numbers */
OMI_SI_READ(&si, cptr->xptr);
OMI_SI_WRIT(OMI_PROTO_MINOR, bptr);
/* Minimum and maximum parameters */
/* Data */
OMI_LI_READ(&li_min, cptr->xptr);
if (OMI_MAX_DATA < li_min.value)
{
cptr->state = OMI_ST_CLOS;
return -OMI_ER_SE_LENMIN;
}
OMI_LI_READ(&li_max, cptr->xptr);
li_val = MIN(li_max.value, OMI_MAX_DATA);
OMI_LI_WRIT(li_val, bptr);
/* Subscript */
OMI_LI_READ(&li_min, cptr->xptr);
if (OMI_MAX_SUBSCR < li_min.value)
{
cptr->state = OMI_ST_CLOS;
return -OMI_ER_SE_LENMIN;
}
OMI_LI_READ(&li_max, cptr->xptr);
li_val = MIN(li_max.value, OMI_MAX_SUBSCR);
OMI_LI_WRIT(li_val, bptr);
/* Reference */
OMI_LI_READ(&li_min, cptr->xptr);
if (OMI_MAX_REF < li_min.value)
{
cptr->state = OMI_ST_CLOS;
return -OMI_ER_SE_LENMIN;
}
OMI_LI_READ(&li_max, cptr->xptr);
li_val = MIN(li_max.value, OMI_MAX_REF);
OMI_LI_WRIT(li_val, bptr);
/* Message */
OMI_LI_READ(&li_min, cptr->xptr);
if (cptr->bsiz < li_min.value)
{
cptr->state = OMI_ST_CLOS;
return -OMI_ER_SE_LENMIN;
}
OMI_LI_READ(&li_max, cptr->xptr);
li_val = MIN(li_max.value, cptr->bsiz);
OMI_LI_WRIT(li_val, bptr);
/* Oustanding */
OMI_LI_READ(&li_min, cptr->xptr);
if (1 < li_min.value)
{
cptr->state = OMI_ST_CLOS;
return -OMI_ER_SE_LENMIN;
}
OMI_LI_READ(&li_max, cptr->xptr);
li_val = MIN(li_max.value, 1);
OMI_LI_WRIT(li_val, bptr);
/* Other parameters */
OMI_SI_READ(&eightbit, cptr->xptr);
OMI_SI_WRIT(eightbit.value, bptr);
OMI_SI_READ(&chartran, cptr->xptr);
OMI_SI_WRIT(chartran.value, bptr);
/* Bounds checking */
if (cptr->xptr > xend || bptr >= bend)
return -OMI_ER_PR_INVMSGFMT;
/* Implementation ID (in) */
OMI_SI_READ(&ss_len, cptr->xptr);
cptr->xptr += ss_len.value;
/* Agent name (in) */
OMI_SI_READ(&ss_len, cptr->xptr);
if ((ag_name = (char *) malloc(ss_len.value + 1)) == NULL)
{
OMI_DBG((omi_debug, "%s: memory allocation error (insufficient resources) while\n", SRVR_NAME));
OMI_DBG((omi_debug, "processing connect request from connection %d, %s.\n",
cptr->stats.id, gtcm_hname(&cptr->stats.ai)));
return -OMI_ER_DB_UNRECOVER;
}
assert(ss_len.value < MAX_USER_NAME && ss_len.value > 0);
memcpy(ag_name, cptr->xptr, ss_len.value);
ag_name[ss_len.value] = '\0';
strcpy(cptr->ag_name, ag_name);
cptr->xptr += ss_len.value;
/* Agent password (in) */
OMI_SI_READ(&ss_len, cptr->xptr);
if ((ag_pass = (char *) malloc(ss_len.value + 1)) == NULL)
{
OMI_DBG((omi_debug, "%s: memory allocation error (insufficient resources) while\n", SRVR_NAME));
OMI_DBG((omi_debug, "processing connect request from connection %d, %s.\n",
cptr->stats.id, gtcm_hname(&cptr->stats.ai)));
return -OMI_ER_DB_UNRECOVER;
}
memcpy(ag_pass, cptr->xptr, ss_len.value);
ag_pass[ss_len.value] = '\0';
cptr->xptr += ss_len.value;
/* No support for authentication on SCO, Linux, Cygwin, or z/OS at the moment...*/
#if !(defined(SCO) || defined(__linux__) || defined(__CYGWIN__) || defined(__MVS__))
if (authenticate) /* verify password and user name */
{
#ifdef SHADOWPW
struct spwd *spass, *getspnam();
struct stat buf;
#endif
struct passwd *pass;
char *pw, *syspw;
/* lowercase agent name */
for(s = ag_name; *s; s++)
if (ISUPPER_ASCII(*s))
*s = TOLOWER(*s);
#ifdef SHADOWPW
if (!Stat("/etc/shadow", &buf))
{
if ((spass = getspnam(ag_name)) == NULL)
{
if (errno)
{
OMI_DBG((omi_debug, "%s: error opening /etc/shadow for input\n",
SRVR_NAME, ag_name));
PERROR("/etc/shadow");
return -OMI_ER_DB_USERNOAUTH;
}
OMI_DBG((omi_debug, "%s: user %s not found in /etc/shadow\n",
SRVR_NAME, ag_name));
return -OMI_ER_DB_USERNOAUTH;
}
syspw = spass->sp_pwdp;
} else if ((pass = getpwnam(ag_name)) == NULL)
{
OMI_DBG((omi_debug, "%s: user %s not found in /etc/passwd\n",
SRVR_NAME, ag_name));
return -OMI_ER_DB_USERNOAUTH;
} else
syspw = pass->pw_passwd;
#else /* ndef SHADOWPW */
if ((pass = getpwnam(ag_name)) == NULL)
{
OMI_DBG((omi_debug, "%s: user %s not found in /etc/passwd\n",
SRVR_NAME, ag_name));
return -OMI_ER_DB_USERNOAUTH;
} else
syspw = pass->pw_passwd;
#endif /* SHADOWPW */
pw = (char *) crypt(ag_pass, syspw);
if (strcmp(pw, syspw) != 0)
{
OMI_DBG((omi_debug, "%s: login attempt for user %s failed.\n",
SRVR_NAME, ag_name));
return -OMI_ER_DB_USERNOAUTH;
}
}
#endif /* SCO or linux or cygwin or z/OS */
/* Server name (in) */
OMI_SI_READ(&ss_len, cptr->xptr);
cptr->xptr += ss_len.value;
/* Implementation ID (out) */
len = SIZEOF(GTM_RELEASE_NAME) - 1;
OMI_SI_WRIT(len, bptr);
(void) memcpy(bptr, GTM_RELEASE_NAME, len);
bptr += len;
/* Server name (out) */
OMI_SI_WRIT(0, bptr);
/* Server password (out) */
OMI_SI_WRIT(0, bptr);
/* Bounds checking */
if (cptr->xptr > xend || bptr >= bend)
return -OMI_ER_PR_INVMSGFMT;
/* Extensions (in) -- count through them */
OMI_SI_READ(&ext_cnt, cptr->xptr);
for (i = 0; i < ext_cnt.value; i++)
{
OMI_LI_READ(&ext, cptr->xptr);
cptr->exts |= (1 << (ext.value - 1));
}
/* Mask off extensions we don't support */
cptr->exts &= OMI_EXTENSIONS;
/* Negotiate extension combinations */
if (cptr->exts & OMI_XTF_RC && cptr->exts & OMI_XTF_BUNCH)
cptr->exts &= ~OMI_XTF_BUNCH;
#ifdef GTCM_RC
if (cptr->exts & OMI_XTF_RC)
cptr->of = rc_oflow_alc();
#endif /* defined(GTCM_RC) */
/* Extensions (out) */
eptr = bptr;
bptr += OMI_SI_SIZ;
i = 0;
if (cptr->exts & OMI_XTF_BUNCH)
{
OMI_LI_WRIT(OMI_XTN_BUNCH, bptr);
i++;
}
if (cptr->exts & OMI_XTF_GGR)
{
OMI_LI_WRIT(OMI_XTN_GGR, bptr);
i++;
}
if (cptr->exts & OMI_XTF_NEWOP)
{
OMI_LI_WRIT(OMI_XTN_NEWOP, bptr);
i++;
}
if (cptr->exts & OMI_XTF_RC)
{
OMI_LI_WRIT(OMI_XTN_RC, bptr);
i++;
}
/* Number of extensions */
OMI_SI_WRIT(i, eptr);
/* Bounds checking */
if (cptr->xptr > xend || bptr >= bend)
return -OMI_ER_PR_INVMSGFMT;
/* Change the state of the connection */
cptr->state = OMI_ST_CONN;
return (int)(bptr - buff);
}
int
omi_prc_def(omi_conn *cptr, char *xend, char *buff, char *bend)
{
GBLREF bool undef_inhibit;
char *bptr;
omi_li len;
int rv;
mval vo, vd, vg;
bptr = buff;
/* Global Ref */
OMI_LI_READ(&len, cptr->xptr);
/* Set up a condition handler */
ESTABLISH_RET(omi_dbms_ch,0);
rv = omi_gvextnam(cptr, len.value, cptr->xptr);
/* If true, there was an error finding the global reference in the DBMS */
if (rv < 0)
{
REVERT;
return rv;
}
cptr->xptr += len.value;
/* Bounds checking */
if (cptr->xptr > xend)
{
REVERT;
return -OMI_ER_PR_INVMSGFMT;
}
/* We want to make sure there is plenty of space in the string pool
* for all three operations ($ORDER, $GET, $DATA) */
if (cptr->exts & OMI_XTF_NEWOP)
stp_gcol(0);
/* $DATA */
op_gvdata(&vd);
if (!(vd.mvtype & MV_INT))
{
REVERT;
return -OMI_ER_DB_UNRECOVER;
}
if (cptr->exts & OMI_XTF_NEWOP)
{
/* $GET */
undef_inhibit = TRUE;
rv = op_gvget(&vg);
/* $ORDER */
op_gvorder(&vo);
OMI_SI_WRIT(vo.str.len, bptr);
if (vo.str.len)
{
memcpy(bptr, vo.str.addr, vo.str.len);
bptr += vo.str.len;
}
}
/* $DATA (buffer write) */
OMI_SI_WRIT(vd.m[1] / MV_BIAS, bptr);
if (cptr->exts & OMI_XTF_NEWOP)
{
/* $GET (buffer write) */
OMI_SI_WRIT((rv ? 1 : 0), bptr);
if (!rv || !vg.str.len)
OMI_LI_WRIT(0, bptr);
else
{
OMI_LI_WRIT(vg.str.len, bptr);
memcpy(bptr, vg.str.addr, vg.str.len);
bptr += vg.str.len;
}
}
REVERT;
return (int)(bptr - buff);
}
