-/* $Id: macstore.c,v 1.7 2003/01/08 22:46:12 ben Exp $ */
+/* $Id$ */
/*
* macstore.c: Macintosh-specific impementation of the interface
#include <Resources.h>
#include <TextUtils.h>
+#include <stdio.h>
#include <string.h>
#include "putty.h"
#include "storage.h"
#include "mac.h"
-
-#define PUTTY_CREATOR FOUR_CHAR_CODE('pTTY')
-#define SESS_TYPE FOUR_CHAR_CODE('Sess')
-#define SEED_TYPE FOUR_CHAR_CODE('Seed')
+#include "macresid.h"
OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit);
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 *sessionname) {
- short sessVRefNum, tmpVRefNum;
- long sessDirID, tmpDirID;
+void *open_settings_w(char const *sessionname, char **errmsg) {
+ short sessVRefNum;
+ long sessDirID;
OSErr error;
Str255 psessionname;
- struct write_settings *ws;
-
- ws = safemalloc(sizeof *ws);
+ FSSpec dstfile;
+
+ *errmsg = NULL;
+
error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID);
- if (error != noErr) goto out;
+ if (error != noErr) return NULL;
+ if (!sessionname || !*sessionname)
+ sessionname = "Default Settings";
c2pstrcpy(psessionname, sessionname);
- error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &ws->dstfile);
- if (error != noErr && error != fnfErr) goto out;
+ error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &dstfile);
if (error == fnfErr) {
- FSpCreateResFile(&ws->dstfile, PUTTY_CREATOR, SESS_TYPE,
- smSystemScript);
- if ((error = ResError()) != noErr) goto out;
- }
+ 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(sessVRefNum, kTemporaryFolderType, kCreateFolder,
- &tmpVRefNum, &tmpDirID);
+ error = FindFolder(ws->dstfile.vRefNum, kTemporaryFolderType,
+ kCreateFolder, &tmpVRefNum, &tmpDirID);
if (error != noErr) goto out;
- error = FSMakeFSSpec(tmpVRefNum, tmpDirID, psessionname, &ws->tmpfile);
+ 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);
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:
fatalbox("Failed to open session for write (%d)", error);
}
-void write_setting_s(void *handle, char *key, char *value) {
+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)
id = Unique1ID(FOUR_CHAR_CODE('TEXT'));
if (ResError() != noErr)
fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
- addresource(h, FOUR_CHAR_CODE('TEXT'), id, key);
+ 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 *key, int value) {
+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)
id = Unique1ID(FOUR_CHAR_CODE('Int '));
if (ResError() != noErr)
fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
- addresource(h, FOUR_CHAR_CODE('Int '), id, key);
+ c2pstrcpy(pkey, key);
+ AddResource(h, FOUR_CHAR_CODE('Int '), id, pkey);
if (ResError() != noErr)
fatalbox("Failed to add resource %s (%d)", key, ResError());
}
safefree(handle);
}
-void *open_settings_r(char *sessionname)
+void *open_settings_r(char const *sessionname)
{
short sessVRefNum;
long sessDirID;
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;
fd = FSpOpenResFile(sessfile, fsRdPerm);
if (fd == 0) {error = ResError(); goto out;}
- handle = safemalloc(sizeof *handle);
+ handle = snew(int);
*handle = fd;
return handle;
return NULL;
}
-char *read_setting_s(void *handle, char *key, char *buffer, int buflen) {
+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;
- h = get1namedresource(FOUR_CHAR_CODE('TEXT'), key);
+ c2pstrcpy(pkey, key);
+ h = Get1NamedResource(FOUR_CHAR_CODE('TEXT'), pkey);
if (h == NULL) goto out;
len = GetHandleSize(h);
return NULL;
}
-int read_setting_i(void *handle, char *key, int defvalue) {
+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;
- h = get1namedresource(FOUR_CHAR_CODE('Int '), key);
+ c2pstrcpy(pkey, key);
+ h = Get1NamedResource(FOUR_CHAR_CODE('Int '), pkey);
if (h == NULL) goto out;
value = *(int *)*h;
ReleaseResource(h);
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;
CloseResFile(fd);
if (ResError() != noErr)
fatalbox("Close of saved session failed (%d)", ResError());
- safefree(handle);
+ sfree(handle);
}
-void del_settings(char *sessionname) {
+void del_settings(char const *sessionname) {
OSErr error;
FSSpec sessfile;
short sessVRefNum;
OSErr error;
struct enum_settings_state *state;
- state = safemalloc(sizeof(*state));
+ state = snew(struct enum_settings_state);
error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID);
if (error != noErr) {
- safefree(state);
+ sfree(state);
return NULL;
}
state->index = 1;
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, tmpVRefNum;
- long puttyDirID, tmpDirID;
+ short puttyVRefNum;
+ long puttyDirID;
OSErr error;
- FSSpec dstfile, tmpfile;
+ FSSpec dstfile;
short refnum;
long count = len;
error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed",
&dstfile);
- if (error != noErr && error != fnfErr) return;
+ 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);
- /* Create a temporary file to save to first. */
- error = FindFolder(puttyVRefNum, kTemporaryFolderType, kCreateFolder,
- &tmpVRefNum, &tmpDirID);
- if (error != noErr) return;
- error = FSMakeFSSpec(tmpVRefNum, tmpDirID, "\pPuTTY Random Seed",
- &tmpfile);
- if (error != noErr && error != fnfErr) return;
- if (error == noErr) {
- error = FSpDelete(&tmpfile);
- if (error != noErr) return;
+ 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;
}
- error = FSpCreate(&tmpfile, PUTTY_CREATOR, SEED_TYPE, smRoman);
- if (error != noErr) return;
- if (FSpOpenDF(&tmpfile, fsWrPerm, &refnum) != noErr) goto fail;
+ refnum = FSpOpenResFile(&keyfile, fsRdPerm);
- if (FSWrite(refnum, &count, data) != noErr) goto fail2;
- if (FSClose(refnum) != noErr) goto fail;
+ if (refnum == -1) {
+ /* We couldn't open the resource fork, so we can't match the key */
+ return 1;
+ }
- if (FSpExchangeFiles(&tmpfile, &dstfile) != noErr) goto fail;
- if (FSpDelete(&tmpfile) != noErr) return;
+ UseResFile(refnum);
- return;
-
- fail2:
- FSClose(refnum);
- fail:
- FSpDelete(&tmpfile);
+ 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:
~mdw / sgt / putty / blobdiff