122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
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#include <string.h>
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#include <appletalk.h>
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#include "aspinterface.h"
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#include "asmglue.h"
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/*
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* This code is responsible for saving away the server name and zone at
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* the time of an FILogin(2) call, and then writing them into the result
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* records returned by FIListSessions2.
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*
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* This code is needed because FIListSessions2 has a bug that will cause
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* these fields of its result records to contain garbage for AFP-over-TCP
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* connections and in some cases also wrong values for concurrent
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* AFP-over-AppleTalk sessions.
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*/
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#define SERVER_NAME_SIZE 32
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#define ZONE_NAME_SIZE 33
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typedef struct NameRec {
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unsigned char serverName[SERVER_NAME_SIZE];
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unsigned char zoneName[ZONE_NAME_SIZE];
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} NameRec;
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#define MAX_ASP_SESSION_NUM 8
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NameRec aspSessionNames[MAX_ASP_SESSION_NUM + 1];
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NameRec dsiSessionNames[MAX_SESSIONS];
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static unsigned char emptyStr[1] = {0};
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typedef struct ListSessions2Buffer {
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Byte refNum;
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Byte slotDrive;
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char volName[28];
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Word volID;
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char serverName[32];
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char zoneName[33];
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} ListSessions2Buffer;
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/*
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* This is called following an FILogin or FILogin2 call, to save the names.
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*/
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#pragma databank 1
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void SaveNames(PFILogin2Rec *commandRec) {
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unsigned char *serverName, *zoneName;
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unsigned int i;
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unsigned int strLen;
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NameRec *nameRec;
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Word stateReg;
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stateReg = ForceRomIn();
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/* Don't save names for failed connections */
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if (commandRec->result != 0 && commandRec->result != pfiLoginContErr)
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goto ret;
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if (commandRec->sessRefID <= MAX_ASP_SESSION_NUM) {
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nameRec = &aspSessionNames[commandRec->sessRefID];
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} else if (commandRec->sessRefID >= SESSION_NUM_START) {
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nameRec = &dsiSessionNames[commandRec->sessRefID - SESSION_NUM_START];
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} else {
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goto ret;
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}
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/* Get the names (or default to empty strings if not provided) */
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if (commandRec->command == pfiLogin2Command) {
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serverName = commandRec->serverName;
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zoneName = commandRec->zoneName;
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} else {
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serverName = emptyStr;
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zoneName = emptyStr;
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}
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memset(nameRec, 0, sizeof(*nameRec));
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strLen = serverName[0];
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if (strLen >= SERVER_NAME_SIZE)
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strLen = SERVER_NAME_SIZE - 1;
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memcpy(&nameRec->serverName, serverName, strLen + 1);
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nameRec->serverName[0] = strLen;
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strLen = zoneName[0];
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if (strLen >= ZONE_NAME_SIZE)
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strLen = ZONE_NAME_SIZE - 1;
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memcpy(&nameRec->zoneName, zoneName, strLen + 1);
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nameRec->zoneName[0] = strLen;
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ret:
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RestoreStateReg(stateReg);
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}
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#pragma databank 0
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#pragma databank 1
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void InsertCorrectNames(PFIListSessions2Rec *commandRec) {
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unsigned int i;
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ListSessions2Buffer *resultBuf;
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NameRec *nameRec;
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Word stateReg;
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stateReg = ForceRomIn();
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if (commandRec->result != 0 && commandRec->result != pfiBufferToSmallErr)
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goto ret;
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resultBuf = (ListSessions2Buffer *)commandRec->bufferPtr;
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for (i = 0; i < commandRec->entriesRtn; i++) {
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if (resultBuf[i].refNum <= MAX_ASP_SESSION_NUM) {
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nameRec = &aspSessionNames[resultBuf[i].refNum];
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} else if (resultBuf[i].refNum >= SESSION_NUM_START) {
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nameRec = &dsiSessionNames[resultBuf[i].refNum - SESSION_NUM_START];
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} else {
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continue;
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}
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memcpy(&resultBuf[i].serverName, nameRec, sizeof(*nameRec));
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}
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ret:
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RestoreStateReg(stateReg);
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}
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#pragma databank 0
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