+++ /dev/null
-/* $Id$ */
-
-/*
- * macstore.c: Macintosh-specific impementation of the interface
- * defined in storage.h
- */
-
-#include <MacTypes.h>
-#include <Folders.h>
-#include <Memory.h>
-#include <Resources.h>
-#include <TextUtils.h>
-
-#include <stdio.h>
-#include <string.h>
-
-#include "putty.h"
-#include "storage.h"
-#include "mac.h"
-#include "macresid.h"
-
-
-OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit);
-
-/*
- * We store each session as a file in the "PuTTY" sub-directory of the
- * preferences folder. Each (key,value) pair is stored as a resource.
- */
-
-OSErr get_putty_dir(Boolean makeit, short *pVRefNum, long *pDirID)
-{
- OSErr error = noErr;
- short prefVRefNum;
- FSSpec puttydir;
- long prefDirID, puttyDirID;
-
- error = FindFolder(kOnSystemDisk, kPreferencesFolderType, makeit,
- &prefVRefNum, &prefDirID);
- if (error != noErr) goto out;
-
- error = FSMakeFSSpec(prefVRefNum, prefDirID, "\pPuTTY", &puttydir);
- if (error != noErr && error != fnfErr) goto out;
- error = FSpGetDirID(&puttydir, &puttyDirID, makeit);
- if (error != noErr) goto out;
-
- *pVRefNum = prefVRefNum;
- *pDirID = puttyDirID;
-
- out:
- return error;
-}
-
-OSErr get_session_dir(Boolean makeit, short *pVRefNum, long *pDirID) {
- OSErr error = noErr;
- short puttyVRefNum;
- FSSpec sessdir;
- long puttyDirID, sessDirID;
-
- error = get_putty_dir(makeit, &puttyVRefNum, &puttyDirID);
- if (error != noErr) goto out;
- error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pSaved Sessions",
- &sessdir);
- if (error != noErr && error != fnfErr) goto out;
- error = FSpGetDirID(&sessdir, &sessDirID, makeit);
- if (error != noErr) goto out;
-
- *pVRefNum = puttyVRefNum;
- *pDirID = sessDirID;
-
- out:
- return error;
-}
-
-OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit) {
- CInfoPBRec pb;
- OSErr error = noErr;
-
- pb.dirInfo.ioNamePtr = f->name;
- pb.dirInfo.ioVRefNum = f->vRefNum;
- pb.dirInfo.ioDrDirID = f->parID;
- pb.dirInfo.ioFDirIndex = 0;
- error = PBGetCatInfoSync(&pb);
- if (error == fnfErr && makeit)
- return FSpDirCreate(f, smSystemScript, idp);
- if (error != noErr) goto out;
- if ((pb.dirInfo.ioFlAttrib & ioDirMask) == 0) {
- error = dirNFErr;
- goto out;
- }
- *idp = pb.dirInfo.ioDrDirID;
-
- out:
- return error;
-}
-
-/* Copy a resource into the current resource file */
-static OSErr copy_resource(ResType restype, short resid)
-{
- Handle h;
- Str255 resname;
-
- h = GetResource(restype, resid);
- if (h != NULL) {
- GetResInfo(h, &resid, &restype, resname);
- DetachResource(h);
- AddResource(h, restype, resid, resname);
- if (ResError() == noErr)
- WriteResource(h);
- }
- return ResError();
-}
-
-struct write_settings {
- int fd;
- FSSpec tmpfile;
- FSSpec dstfile;
-};
-
-void *open_settings_w(char const *sessionname, char **errmsg) {
- short sessVRefNum;
- long sessDirID;
- OSErr error;
- Str255 psessionname;
- FSSpec dstfile;
-
- *errmsg = NULL;
-
- error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID);
- if (error != noErr) return NULL;
-
- if (!sessionname || !*sessionname)
- sessionname = "Default Settings";
- c2pstrcpy(psessionname, sessionname);
- error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &dstfile);
- if (error == fnfErr) {
- FSpCreateResFile(&dstfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
- if ((error = ResError()) != noErr) return NULL;
- } else if (error != noErr) return NULL;
-
- return open_settings_w_fsp(&dstfile);
-}
-
-/*
- * NB: Destination file must exist.
- */
-void *open_settings_w_fsp(FSSpec *dstfile)
-{
- short tmpVRefNum;
- long tmpDirID;
- struct write_settings *ws;
- OSErr error;
- Str255 tmpname;
-
- ws = snew(struct write_settings);
- ws->dstfile = *dstfile;
-
- /* Create a temporary file to save to first. */
- error = FindFolder(ws->dstfile.vRefNum, kTemporaryFolderType,
- kCreateFolder, &tmpVRefNum, &tmpDirID);
- if (error != noErr) goto out;
- c2pstrcpy(tmpname, tmpnam(NULL));
- error = FSMakeFSSpec(tmpVRefNum, tmpDirID, tmpname, &ws->tmpfile);
- if (error != noErr && error != fnfErr) goto out;
- if (error == noErr) {
- error = FSpDelete(&ws->tmpfile);
- if (error != noErr) goto out;
- }
- FSpCreateResFile(&ws->tmpfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
- if ((error = ResError()) != noErr) goto out;
-
- ws->fd = FSpOpenResFile(&ws->tmpfile, fsWrPerm);
- if (ws->fd == -1) {error = ResError(); goto out;}
-
- /* Set up standard resources. Doesn't matter if these fail. */
- copy_resource('STR ', -16396);
- copy_resource('TMPL', TMPL_Int);
-
- return ws;
-
- out:
- safefree(ws);
- fatalbox("Failed to open session for write (%d)", error);
-}
-
-void write_setting_s(void *handle, char const *key, char const *value) {
- int fd = *(int *)handle;
- Handle h;
- int id;
- OSErr error;
- Str255 pkey;
-
- UseResFile(fd);
- if (ResError() != noErr)
- fatalbox("Failed to open saved session (%d)", ResError());
-
- error = PtrToHand(value, &h, strlen(value));
- if (error != noErr)
- fatalbox("Failed to allocate memory");
- /* Put the data in a resource. */
- id = Unique1ID(FOUR_CHAR_CODE('TEXT'));
- if (ResError() != noErr)
- fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
- c2pstrcpy(pkey, key);
- AddResource(h, FOUR_CHAR_CODE('TEXT'), id, pkey);
- if (ResError() != noErr)
- fatalbox("Failed to add resource %s (%d)", key, ResError());
-}
-
-void write_setting_i(void *handle, char const *key, int value) {
- int fd = *(int *)handle;
- Handle h;
- int id;
- OSErr error;
- Str255 pkey;
-
- UseResFile(fd);
- if (ResError() != noErr)
- fatalbox("Failed to open saved session (%d)", ResError());
-
- /* XXX assume all systems have the same "int" format */
- error = PtrToHand(&value, &h, sizeof(int));
- if (error != noErr)
- fatalbox("Failed to allocate memory (%d)", error);
-
- /* Put the data in a resource. */
- id = Unique1ID(FOUR_CHAR_CODE('Int '));
- if (ResError() != noErr)
- fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
- c2pstrcpy(pkey, key);
- AddResource(h, FOUR_CHAR_CODE('Int '), id, pkey);
- if (ResError() != noErr)
- fatalbox("Failed to add resource %s (%d)", key, ResError());
-}
-
-void close_settings_w(void *handle) {
- struct write_settings *ws = handle;
- OSErr error;
-
- CloseResFile(ws->fd);
- if ((error = ResError()) != noErr)
- goto out;
- error = FSpExchangeFiles(&ws->tmpfile, &ws->dstfile);
- if (error != noErr) goto out;
- error = FSpDelete(&ws->tmpfile);
- if (error != noErr) goto out;
- return;
-
- out:
- fatalbox("Close of saved session failed (%d)", error);
- safefree(handle);
-}
-
-void *open_settings_r(char const *sessionname)
-{
- short sessVRefNum;
- long sessDirID;
- FSSpec sessfile;
- OSErr error;
- Str255 psessionname;
-
- error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
-
- if (!sessionname || !*sessionname)
- sessionname = "Default Settings";
- c2pstrcpy(psessionname, sessionname);
- error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
- if (error != noErr) goto out;
- return open_settings_r_fsp(&sessfile);
-
- out:
- return NULL;
-}
-
-void *open_settings_r_fsp(FSSpec *sessfile)
-{
- OSErr error;
- int fd;
- int *handle;
-
- fd = FSpOpenResFile(sessfile, fsRdPerm);
- if (fd == 0) {error = ResError(); goto out;}
-
- handle = snew(int);
- *handle = fd;
- return handle;
-
- out:
- return NULL;
-}
-
-char *read_setting_s(void *handle, char const *key, char *buffer, int buflen) {
- int fd;
- Handle h;
- size_t len;
- Str255 pkey;
-
- if (handle == NULL) goto out;
- fd = *(int *)handle;
- UseResFile(fd);
- if (ResError() != noErr) goto out;
- c2pstrcpy(pkey, key);
- h = Get1NamedResource(FOUR_CHAR_CODE('TEXT'), pkey);
- if (h == NULL) goto out;
-
- len = GetHandleSize(h);
- if (len + 1 > buflen) goto out;
- memcpy(buffer, *h, len);
- buffer[len] = '\0';
-
- ReleaseResource(h);
- if (ResError() != noErr) goto out;
- return buffer;
-
- out:
- return NULL;
-}
-
-int read_setting_i(void *handle, char const *key, int defvalue) {
- int fd;
- Handle h;
- int value;
- Str255 pkey;
-
- if (handle == NULL) goto out;
- fd = *(int *)handle;
- UseResFile(fd);
- if (ResError() != noErr) goto out;
- c2pstrcpy(pkey, key);
- h = Get1NamedResource(FOUR_CHAR_CODE('Int '), pkey);
- if (h == NULL) goto out;
- value = *(int *)*h;
- ReleaseResource(h);
- if (ResError() != noErr) goto out;
- return value;
-
- out:
- return defvalue;
-}
-
-int read_setting_fontspec(void *handle, const char *name, FontSpec *result)
-{
- char *settingname;
- FontSpec ret;
- char tmp[256];
-
- if (!read_setting_s(handle, name, tmp, sizeof(tmp)))
- return 0;
- c2pstrcpy(ret.name, tmp);
- settingname = dupcat(name, "Face", NULL);
- ret.face = read_setting_i(handle, settingname, 0);
- sfree(settingname);
- settingname = dupcat(name, "Height", NULL);
- ret.size = read_setting_i(handle, settingname, 0);
- sfree(settingname);
- if (ret.size == 0) return 0;
- *result = ret;
- return 1;
-}
-
-void write_setting_fontspec(void *handle, const char *name, FontSpec font)
-{
- char *settingname;
- char tmp[256];
-
- p2cstrcpy(tmp, font.name);
- write_setting_s(handle, name, tmp);
- settingname = dupcat(name, "Face", NULL);
- write_setting_i(handle, settingname, font.face);
- sfree(settingname);
- settingname = dupcat(name, "Size", NULL);
- write_setting_i(handle, settingname, font.size);
- sfree(settingname);
-}
-
-int read_setting_filename(void *handle, const char *key, Filename *result)
-{
- int fd;
- AliasHandle h;
- Boolean changed;
- OSErr err;
- Str255 pkey;
-
- if (handle == NULL) goto out;
- fd = *(int *)handle;
- UseResFile(fd);
- if (ResError() != noErr) goto out;
- c2pstrcpy(pkey, key);
- h = (AliasHandle)Get1NamedResource(rAliasType, pkey);
- if (h == NULL) goto out;
- if ((*h)->userType == 'pTTY' && (*h)->aliasSize == sizeof(**h))
- memset(result, 0, sizeof(*result));
- else {
- err = ResolveAlias(NULL, h, &result->fss, &changed);
- if (err != noErr && err != fnfErr) goto out;
- if ((*h)->userType == 'pTTY') {
- long dirid;
- StrFileName fname;
-
- /* Tail of record is pascal string contaning leafname */
- if (FSpGetDirID(&result->fss, &dirid, FALSE) != noErr) goto out;
- memcpy(fname, (char *)*h + (*h)->aliasSize,
- GetHandleSize((Handle)h) - (*h)->aliasSize);
- err = FSMakeFSSpec(result->fss.vRefNum, dirid, fname,
- &result->fss);
- if (err != noErr && err != fnfErr) goto out;
- }
- }
- ReleaseResource((Handle)h);
- if (ResError() != noErr) goto out;
- return 1;
-
- out:
- return 0;
-}
-
-void write_setting_filename(void *handle, const char *key, Filename fn)
-{
- int fd = *(int *)handle;
- AliasHandle h;
- int id;
- OSErr error;
- Str255 pkey;
-
- UseResFile(fd);
- if (ResError() != noErr)
- fatalbox("Failed to open saved session (%d)", ResError());
-
- if (filename_is_null(fn)) {
- /* Generate a special "null" alias */
- h = (AliasHandle)NewHandle(sizeof(**h));
- if (h == NULL)
- fatalbox("Failed to create fake alias");
- (*h)->userType = 'pTTY';
- (*h)->aliasSize = sizeof(**h);
- } else {
- error = NewAlias(NULL, &fn.fss, &h);
- if (error == fnfErr) {
- /*
- * NewAlias can't create an alias for a nonexistent file.
- * Create an alias for the directory, and record the
- * filename as well.
- */
- FSSpec tmpfss;
-
- FSMakeFSSpec(fn.fss.vRefNum, fn.fss.parID, NULL, &tmpfss);
- error = NewAlias(NULL, &tmpfss, &h);
- if (error != noErr)
- fatalbox("Failed to create alias");
- (*h)->userType = 'pTTY';
- SetHandleSize((Handle)h, (*h)->aliasSize + fn.fss.name[0] + 1);
- if (MemError() != noErr)
- fatalbox("Failed to create alias");
- memcpy((char *)*h + (*h)->aliasSize, fn.fss.name,
- fn.fss.name[0] + 1);
- }
- if (error != noErr)
- fatalbox("Failed to create alias");
- }
- /* Put the data in a resource. */
- id = Unique1ID(rAliasType);
- if (ResError() != noErr)
- fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
- c2pstrcpy(pkey, key);
- AddResource((Handle)h, rAliasType, id, pkey);
- if (ResError() != noErr)
- fatalbox("Failed to add resource %s (%d)", key, ResError());
-}
-
-void close_settings_r(void *handle) {
- int fd;
-
- if (handle == NULL) return;
- fd = *(int *)handle;
- CloseResFile(fd);
- if (ResError() != noErr)
- fatalbox("Close of saved session failed (%d)", ResError());
- sfree(handle);
-}
-
-void del_settings(char const *sessionname) {
- OSErr error;
- FSSpec sessfile;
- short sessVRefNum;
- long sessDirID;
- Str255 psessionname;
-
- error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
-
- c2pstrcpy(psessionname, sessionname);
- error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
- if (error != noErr) goto out;
-
- error = FSpDelete(&sessfile);
- return;
- out:
- fatalbox("Delete session failed (%d)", error);
-}
-
-struct enum_settings_state {
- short vRefNum;
- long dirID;
- int index;
-};
-
-void *enum_settings_start(void) {
- OSErr error;
- struct enum_settings_state *state;
-
- state = snew(struct enum_settings_state);
- error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID);
- if (error != noErr) {
- sfree(state);
- return NULL;
- }
- state->index = 1;
- return state;
-}
-
-char *enum_settings_next(void *handle, char *buffer, int buflen) {
- struct enum_settings_state *e = handle;
- CInfoPBRec pb;
- OSErr error = noErr;
- Str255 name;
-
- if (e == NULL) return NULL;
- do {
- pb.hFileInfo.ioNamePtr = name;
- pb.hFileInfo.ioVRefNum = e->vRefNum;
- pb.hFileInfo.ioDirID = e->dirID;
- pb.hFileInfo.ioFDirIndex = e->index++;
- error = PBGetCatInfoSync(&pb);
- if (error != noErr) return NULL;
- } while (!((pb.hFileInfo.ioFlAttrib & ioDirMask) == 0 &&
- pb.hFileInfo.ioFlFndrInfo.fdCreator == PUTTY_CREATOR &&
- pb.hFileInfo.ioFlFndrInfo.fdType == SESS_TYPE &&
- name[0] < buflen));
-
- p2cstrcpy(buffer, name);
- return buffer;
-}
-
-void enum_settings_finish(void *handle) {
-
- safefree(handle);
-}
-
-#define SEED_SIZE 512
-
-void read_random_seed(noise_consumer_t consumer)
-{
- short puttyVRefNum;
- long puttyDirID;
- OSErr error;
- char buf[SEED_SIZE];
- short refnum;
- long count = SEED_SIZE;
-
- if (get_putty_dir(kDontCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
- return;
- if (HOpenDF(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed", fsRdPerm,
- &refnum) != noErr)
- return;
- error = FSRead(refnum, &count, buf);
- if (error != noErr && error != eofErr)
- return;
- (*consumer)(buf, count);
- FSClose(refnum);
-}
-
-/*
- * We don't bother with the usual FSpExchangeFiles dance here because
- * it doesn't really matter if the old random seed gets lost.
- */
-void write_random_seed(void *data, int len)
-{
- short puttyVRefNum;
- long puttyDirID;
- OSErr error;
- FSSpec dstfile;
- short refnum;
- long count = len;
-
- if (get_putty_dir(kCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
- return;
-
- error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed",
- &dstfile);
- if (error == fnfErr) {
- /* Set up standard resources */
- FSpCreateResFile(&dstfile, INTERNAL_CREATOR, SEED_TYPE, smRoman);
- refnum = FSpOpenResFile(&dstfile, fsWrPerm);
- if (ResError() == noErr) {
- copy_resource('STR ', -16397);
- CloseResFile(refnum);
- }
- } else if (error != noErr) return;
-
- if (FSpOpenDF(&dstfile, fsWrPerm, &refnum) != noErr) return;
- FSWrite(refnum, &count, data);
- FSClose(refnum);
-
- return;
-}
-
-/*
- * This host key cache uses a file in the PuTTY Preferences folder and
- * stores keys as individual TEXT resources in the resource fork of
- * that file. This has two problems. Firstly, a resource fork can
- * contain no more than 2727 resources. Secondly, the Resource
- * Manager uses a linear search to find a particular resource, which
- * could make having lots of host keys quite slow.
- */
-
-int verify_host_key(const char *hostname, int port,
- const char *keytype, const char *key)
-{
- short puttyVRefNum;
- long puttyDirID;
- OSErr error;
- FSSpec keyfile;
- short refnum;
- char *resname;
- Str255 presname;
- char *resvalue;
- Handle reshandle;
- int len, compare;
-
- if (get_putty_dir(kCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
- return 1;
-
- error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pSSH Host Keys",
- &keyfile);
- if (error == fnfErr) {
- /* Keys file doesn't exist yet, so we can't match the key */
- return 1;
- }
-
- refnum = FSpOpenResFile(&keyfile, fsRdPerm);
-
- if (refnum == -1) {
- /* We couldn't open the resource fork, so we can't match the key */
- return 1;
- }
-
- UseResFile(refnum);
-
- resname = dupprintf("%s@%d:%s", keytype, port, hostname);
- c2pstrcpy(presname, resname);
- reshandle = Get1NamedResource(FOUR_CHAR_CODE('TEXT'), presname);
- if (ResError() != noErr) {
- /* Couldn't open the specific resource */
- return 1;
- }
-
- len = GetHandleSize(reshandle);
- resvalue = snewn(len+1, char);
- memcpy(resvalue, *reshandle, len);
- resvalue[len]='\0';
- ReleaseResource(reshandle);
- CloseResFile(refnum);
-
- compare = strncmp(resvalue, key, strlen(resvalue));
- sfree(resname);
- sfree(resvalue);
-
- if (compare) {
- /* Key different */
- return 2;
- } else {
- /* Key matched */
- return 0;
- }
-}
-
-void store_host_key(const char *hostname, int port,
- const char *keytype, const char *key)
-{
- short puttyVRefNum;
- long puttyDirID;
- OSErr error;
- FSSpec keyfile;
- short keyrefnum;
- char *resname;
- Str255 presname;
- Handle resvalue;
- Handle reshandle;
- int id;
-
- /* Open the host key file */
-
- if (get_putty_dir(~kCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
- goto out;
-
- error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pSSH Host Keys",
- &keyfile);
- if (error == fnfErr) {
- /* It doesn't exist, so create it */
- FSpCreateResFile(&keyfile, INTERNAL_CREATOR, HKYS_TYPE, smRoman);
- keyrefnum = FSpOpenResFile(&keyfile, fsWrPerm);
- if (ResError() == noErr) {
- copy_resource('STR', -16397); /* XXX: wtf is this? */
- CloseResFile(keyrefnum);
- }
- } else if (error != noErr) goto out;
-
- keyrefnum = FSpOpenResFile(&keyfile, fsWrPerm);
- if (keyrefnum == -1) goto out;
-
- UseResFile(keyrefnum);
- resname = dupprintf("%s@%d:%s", keytype, port, hostname);
- c2pstrcpy(presname, resname);
-
- reshandle = Get1NamedResource(FOUR_CHAR_CODE('TEXT'), presname);
- if (reshandle != NULL) {
- /* The resource exists, we're replacing a host key */
- RemoveResource(reshandle);
- }
- error = PtrToHand(key, &resvalue, strlen(key));
- if (error != noErr) goto out;
-
- id = Unique1ID(FOUR_CHAR_CODE('TEXT'));
- if (ResError() != noErr) goto out;
- AddResource(resvalue, FOUR_CHAR_CODE('TEXT'), id, presname);
- if (ResError() != noErr) goto out;
-
- CloseResFile(keyrefnum);
- return;
-
- out:
- fatalbox("Writing host key failed (%d)", error);
- sfree(resname);
-}
-
-/*
- * Emacs magic:
- * Local Variables:
- * c-file-style: "simon"
- * End:
- */
~mdw / sgt / putty / blobdiff