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1.1 root 1: /* ssapexec.c - SPM: exec */
2:
3: #ifndef lint
4: static char *rcsid = "$Header: /f/osi/ssap/RCS/ssapexec.c,v 7.0 89/11/23 22:25:26 mrose Rel $";
5: #endif
6:
7: /*
8: * $Header: /f/osi/ssap/RCS/ssapexec.c,v 7.0 89/11/23 22:25:26 mrose Rel $
9: *
10: *
11: * $Log: ssapexec.c,v $
12: * Revision 7.0 89/11/23 22:25:26 mrose
13: * Release 6.0
14: *
15: */
16:
17: /*
18: * NOTICE
19: *
20: * Acquisition, use, and distribution of this module and related
21: * materials are subject to the restrictions of a license agreement.
22: * Consult the Preface in the User's Manual for the full terms of
23: * this agreement.
24: *
25: */
26:
27:
28: /* LINTLIBRARY */
29:
30: #include <stdio.h>
31: #include "spkt.h"
32: #include "isoservent.h"
33: #include "tailor.h"
34:
35: /* SERVER only */
36:
37: int SExec (ts, si, hook, setperms)
38: struct TSAPstart *ts;
39: struct SSAPindication *si;
40: IFP hook,
41: setperms;
42: {
43: int sd;
44: char *cp;
45: register struct isoservent *is;
46: register struct ssapkt *s;
47: struct TSAPdata txs;
48: register struct TSAPdata *tx = &txs;
49: struct TSAPdisconnect tds;
50: register struct TSAPdisconnect *td = &tds;
51:
52: if (TReadRequest (sd = ts -> ts_sd, tx, NOTOK, td) == NOTOK)
53: return ts2sslose (si, "TReadRequest", td);
54:
55: s = tsdu2spkt (&tx -> tx_qbuf, tx -> tx_cc, NULLIP);
56: TXFREE (tx);
57:
58: if (s == NULL || s -> s_errno != SC_ACCEPT) {
59: (void) spktlose (sd, si, (s ? s -> s_errno : SC_CONGEST) | SC_REFUSE,
60: NULLCP, NULLCP);
61: goto out1;
62: }
63:
64: switch (s -> s_code) {
65: case SPDU_CN:
66: if ((s -> s_mask & SMASK_CN_VRSN)
67: && !(s -> s_cn_version & SB_ALLVRSNS)) {
68: (void) spktlose (sd, si, SC_VERSION | SC_REFUSE, NULLCP,
69: "version mismatch: expecting 0x%x, got 0x%x",
70: SB_ALLVRSNS, s -> s_cn_version);
71: break;
72: }
73:
74: if ((s -> s_mask & SMASK_CN_CALLED) && s -> s_calledlen > 0) {
75: if ((is = getisoserventbyselector ("ssap", s -> s_called,
76: s -> s_calledlen)) == NULL) {
77: char buffer[BUFSIZ];
78:
79: buffer[explode (buffer, (u_char *) s -> s_called,
80: s -> s_calledlen)] = NULL;
81: (void) spktlose (sd, si, SC_SSAPID | SC_REFUSE, NULLCP,
82: "ISO service ssap/%s not found", buffer);
83: break;
84: }
85: }
86: else
87: if ((is = getisoserventbyname ("presentation", "ssap"))
88: == NULL) {
89: (void) spktlose (sd, si, SC_SSUSER | SC_REFUSE, NULLCP,
90: "default presentation service not found");
91: break;
92: }
93:
94: if (TSaveState (sd, is -> is_tail, td) == NOTOK) {
95: (void) spktlose (sd, si, SC_CONGEST | SC_REFUSE, NULLCP,
96: NULLCP);
97: break;
98: }
99: cp = *is -> is_tail++;
100: if ((*is -> is_tail++ = spkt2str (s)) == NULL) {
101: (void) spktlose (sd, si, SC_CONGEST | SC_REFUSE, NULLCP,
102: NULLCP);
103: break;
104: }
105: *is -> is_tail = NULL;
106:
107: switch (hook ? (*hook) (is, si) : OK) {
108: case NOTOK:
109: return NOTOK;
110:
111: case DONE:
112: return OK;
113:
114: case OK:
115: default:
116: if (setperms)
117: (void) (*setperms) (is);
118: (void) execv (*is -> is_vec, is -> is_vec);
119: SLOG (ssap_log, LLOG_FATAL, *is -> is_vec,
120: ("unable to exec"));
121: (void) TRestoreState (cp, ts, td);
122: (void) spktlose (ts -> ts_sd, si, SC_CONGEST | SC_REFUSE,
123: *is -> is_vec, "unable to exec");
124: break;
125: }
126: break;
127:
128: default:
129: (void) spktlose (sd, si, SC_PROTOCOL | SC_REFUSE, NULLCP,
130: "session protocol mangled: expecting 0x%x, got 0x%x",
131: SPDU_CN, s -> s_code);
132: break;
133: }
134:
135: out1: ;
136: freespkt (s);
137:
138: return NOTOK;
139: }
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