[sgt/putty] / mac / macstore.c

/* $Id: macstore.c,v 1.16 2003/02/02 00:04:36 ben Exp $ */

/*
 * 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) {
    short sessVRefNum;
    long sessDirID;
    OSErr error;
    Str255 psessionname;
    FSSpec dstfile;
    
    error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID);
    if (error != noErr) return NULL;

    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 = smalloc(sizeof *ws);
    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);

    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 = smalloc(sizeof *handle);
    *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 = safemalloc(sizeof(*state));
    error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID);
    if (error != noErr) {
	safefree(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;
}

/*
 * Emacs magic:
 * Local Variables:
 * c-file-style: "simon"
 * End:
 */
Commit	Line	Data
a7459895	1	/* $Id: macstore.c,v 1.16 2003/02/02 00:04:36 ben Exp $ */
d082ac49	2
	3	/*
	4	* macstore.c: Macintosh-specific impementation of the interface
	5	* defined in storage.h
	6	*/
	7
	8	#include <MacTypes.h>
	9	#include <Folders.h>
	10	#include <Memory.h>
	11	#include <Resources.h>
	12	#include <TextUtils.h>
	13
b537dd42	14	#include <stdio.h>
d082ac49	15	#include <string.h>
	16
	17	#include "putty.h"
	18	#include "storage.h"
ce283213	19	#include "mac.h"
1d4cb74b	20	#include "macresid.h"
d082ac49	21
d082ac49	22
d082ac49	23	OSErr FSpGetDirID(FSSpec f, long idp, Boolean makeit);
	24
	25	/*
	26	* We store each session as a file in the "PuTTY" sub-directory of the
	27	* preferences folder. Each (key,value) pair is stored as a resource.
	28	*/
	29
0c4b7799	30	OSErr get_putty_dir(Boolean makeit, short pVRefNum, long pDirID)
0c4b7799	31	{
d082ac49	32	OSErr error = noErr;
d082ac49	33	short prefVRefNum;
0c4b7799	34	FSSpec puttydir;
0c4b7799	35	long prefDirID, puttyDirID;
d082ac49	36
	37	error = FindFolder(kOnSystemDisk, kPreferencesFolderType, makeit,
	38	&prefVRefNum, &prefDirID);
	39	if (error != noErr) goto out;
	40
	41	error = FSMakeFSSpec(prefVRefNum, prefDirID, "\pPuTTY", &puttydir);
	42	if (error != noErr && error != fnfErr) goto out;
	43	error = FSpGetDirID(&puttydir, &puttyDirID, makeit);
	44	if (error != noErr) goto out;
	45
0c4b7799	46	*pVRefNum = prefVRefNum;
	47	*pDirID = puttyDirID;
	48
	49	out:
	50	return error;
	51	}
	52
	53	OSErr get_session_dir(Boolean makeit, short pVRefNum, long pDirID) {
	54	OSErr error = noErr;
	55	short puttyVRefNum;
	56	FSSpec sessdir;
	57	long puttyDirID, sessDirID;
	58
	59	error = get_putty_dir(makeit, &puttyVRefNum, &puttyDirID);
	60	if (error != noErr) goto out;
	61	error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pSaved Sessions",
d082ac49	62	&sessdir);
	63	if (error != noErr && error != fnfErr) goto out;
	64	error = FSpGetDirID(&sessdir, &sessDirID, makeit);
	65	if (error != noErr) goto out;
	66
0c4b7799	67	*pVRefNum = puttyVRefNum;
d082ac49	68	*pDirID = sessDirID;
	69
	70	out:
	71	return error;
	72	}
	73
	74	OSErr FSpGetDirID(FSSpec f, long idp, Boolean makeit) {
	75	CInfoPBRec pb;
	76	OSErr error = noErr;
	77
	78	pb.dirInfo.ioNamePtr = f->name;
	79	pb.dirInfo.ioVRefNum = f->vRefNum;
	80	pb.dirInfo.ioDrDirID = f->parID;
	81	pb.dirInfo.ioFDirIndex = 0;
	82	error = PBGetCatInfoSync(&pb);
	83	if (error == fnfErr && makeit)
	84	return FSpDirCreate(f, smSystemScript, idp);
	85	if (error != noErr) goto out;
	86	if ((pb.dirInfo.ioFlAttrib & ioDirMask) == 0) {
	87	error = dirNFErr;
	88	goto out;
	89	}
	90	*idp = pb.dirInfo.ioDrDirID;
	91
	92	out:
	93	return error;
	94	}
	95
1d4cb74b	96	/* Copy a resource into the current resource file */
	97	static OSErr copy_resource(ResType restype, short resid)
	98	{
	99	Handle h;
	100	Str255 resname;
	101
1d4cb74b	102	h = GetResource(restype, resid);
	103	if (h != NULL) {
	104	GetResInfo(h, &resid, &restype, resname);
	105	DetachResource(h);
	106	AddResource(h, restype, resid, resname);
	107	if (ResError() == noErr)
	108	WriteResource(h);
	109	}
1d4cb74b	110	return ResError();
	111	}
	112
d082ac49	113	struct write_settings {
	114	int fd;
	115	FSSpec tmpfile;
	116	FSSpec dstfile;
	117	};
	118
f5d2d791	119	void open_settings_w(char const sessionname) {
b537dd42	120	short sessVRefNum;
b537dd42	121	long sessDirID;
d082ac49	122	OSErr error;
d082ac49	123	Str255 psessionname;
b537dd42	124	FSSpec dstfile;
d082ac49	125
d082ac49	126	error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID);
b537dd42	127	if (error != noErr) return NULL;
d082ac49	128
d082ac49	129	c2pstrcpy(psessionname, sessionname);
b537dd42	130	error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &dstfile);
d082ac49	131	if (error == fnfErr) {
b537dd42	132	FSpCreateResFile(&dstfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
	133	if ((error = ResError()) != noErr) return NULL;
	134	} else if (error != noErr) return NULL;
	135
	136	return open_settings_w_fsp(&dstfile);
	137	}
	138
	139	/*
	140	* NB: Destination file must exist.
	141	*/
	142	void open_settings_w_fsp(FSSpec dstfile)
	143	{
	144	short tmpVRefNum;
	145	long tmpDirID;
	146	struct write_settings *ws;
	147	OSErr error;
	148	Str255 tmpname;
	149
	150	ws = smalloc(sizeof *ws);
	151	ws->dstfile = *dstfile;
d082ac49	152
d082ac49	153	/* Create a temporary file to save to first. */
b537dd42	154	error = FindFolder(ws->dstfile.vRefNum, kTemporaryFolderType,
b537dd42	155	kCreateFolder, &tmpVRefNum, &tmpDirID);
d082ac49	156	if (error != noErr) goto out;
b537dd42	157	c2pstrcpy(tmpname, tmpnam(NULL));
b537dd42	158	error = FSMakeFSSpec(tmpVRefNum, tmpDirID, tmpname, &ws->tmpfile);
d082ac49	159	if (error != noErr && error != fnfErr) goto out;
	160	if (error == noErr) {
	161	error = FSpDelete(&ws->tmpfile);
	162	if (error != noErr) goto out;
	163	}
	164	FSpCreateResFile(&ws->tmpfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript);
	165	if ((error = ResError()) != noErr) goto out;
	166
	167	ws->fd = FSpOpenResFile(&ws->tmpfile, fsWrPerm);
	168	if (ws->fd == -1) {error = ResError(); goto out;}
	169
1d4cb74b	170	/* Set up standard resources. Doesn't matter if these fail. */
	171	copy_resource('STR ', -16396);
	172	copy_resource('TMPL', TMPL_Int);
	173
d082ac49	174	return ws;
	175
	176	out:
	177	safefree(ws);
	178	fatalbox("Failed to open session for write (%d)", error);
	179	}
	180
f5d2d791	181	void write_setting_s(void handle, char const key, char const *value) {
d082ac49	182	int fd = (int )handle;
	183	Handle h;
	184	int id;
803efcdf	185	OSErr error;
a7459895	186	Str255 pkey;
d082ac49	187
	188	UseResFile(fd);
	189	if (ResError() != noErr)
	190	fatalbox("Failed to open saved session (%d)", ResError());
	191
	192	error = PtrToHand(value, &h, strlen(value));
	193	if (error != noErr)
	194	fatalbox("Failed to allocate memory");
	195	/* Put the data in a resource. */
	196	id = Unique1ID(FOUR_CHAR_CODE('TEXT'));
	197	if (ResError() != noErr)
	198	fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
a7459895	199	c2pstrcpy(pkey, key);
a7459895	200	AddResource(h, FOUR_CHAR_CODE('TEXT'), id, pkey);
d082ac49	201	if (ResError() != noErr)
	202	fatalbox("Failed to add resource %s (%d)", key, ResError());
	203	}
	204
f5d2d791	205	void write_setting_i(void handle, char const key, int value) {
d082ac49	206	int fd = (int )handle;
	207	Handle h;
	208	int id;
	209	OSErr error;
a7459895	210	Str255 pkey;
d082ac49	211
	212	UseResFile(fd);
	213	if (ResError() != noErr)
	214	fatalbox("Failed to open saved session (%d)", ResError());
	215
	216	/* XXX assume all systems have the same "int" format */
	217	error = PtrToHand(&value, &h, sizeof(int));
	218	if (error != noErr)
	219	fatalbox("Failed to allocate memory (%d)", error);
	220
	221	/* Put the data in a resource. */
	222	id = Unique1ID(FOUR_CHAR_CODE('Int '));
	223	if (ResError() != noErr)
	224	fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
a7459895	225	c2pstrcpy(pkey, key);
a7459895	226	AddResource(h, FOUR_CHAR_CODE('Int '), id, pkey);
d082ac49	227	if (ResError() != noErr)
	228	fatalbox("Failed to add resource %s (%d)", key, ResError());
	229	}
	230
	231	void close_settings_w(void *handle) {
	232	struct write_settings *ws = handle;
	233	OSErr error;
	234
	235	CloseResFile(ws->fd);
	236	if ((error = ResError()) != noErr)
	237	goto out;
	238	error = FSpExchangeFiles(&ws->tmpfile, &ws->dstfile);
	239	if (error != noErr) goto out;
	240	error = FSpDelete(&ws->tmpfile);
	241	if (error != noErr) goto out;
	242	return;
	243
	244	out:
	245	fatalbox("Close of saved session failed (%d)", error);
	246	safefree(handle);
	247	}
	248
f5d2d791	249	void open_settings_r(char const sessionname)
ce283213	250	{
d082ac49	251	short sessVRefNum;
	252	long sessDirID;
	253	FSSpec sessfile;
	254	OSErr error;
	255	Str255 psessionname;
d082ac49	256
	257	error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
	258
	259	c2pstrcpy(psessionname, sessionname);
	260	error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
	261	if (error != noErr) goto out;
ce283213	262	return open_settings_r_fsp(&sessfile);
	263
	264	out:
	265	return NULL;
	266	}
	267
	268	void open_settings_r_fsp(FSSpec sessfile)
	269	{
	270	OSErr error;
	271	int fd;
	272	int *handle;
	273
	274	fd = FSpOpenResFile(sessfile, fsRdPerm);
d082ac49	275	if (fd == 0) {error = ResError(); goto out;}
d082ac49	276
a7459895	277	handle = smalloc(sizeof *handle);
d082ac49	278	*handle = fd;
	279	return handle;
	280
	281	out:
	282	return NULL;
	283	}
	284
f5d2d791	285	char read_setting_s(void handle, char const key, char buffer, int buflen) {
d082ac49	286	int fd;
d082ac49	287	Handle h;
086efcde	288	size_t len;
a7459895	289	Str255 pkey;
d082ac49	290
	291	if (handle == NULL) goto out;
	292	fd = (int )handle;
	293	UseResFile(fd);
	294	if (ResError() != noErr) goto out;
a7459895	295	c2pstrcpy(pkey, key);
a7459895	296	h = Get1NamedResource(FOUR_CHAR_CODE('TEXT'), pkey);
d082ac49	297	if (h == NULL) goto out;
d082ac49	298
086efcde	299	len = GetHandleSize(h);
	300	if (len + 1 > buflen) goto out;
	301	memcpy(buffer, *h, len);
	302	buffer[len] = '\0';
	303
d082ac49	304	ReleaseResource(h);
	305	if (ResError() != noErr) goto out;
	306	return buffer;
	307
	308	out:
	309	return NULL;
	310	}
	311
f5d2d791	312	int read_setting_i(void handle, char const key, int defvalue) {
d082ac49	313	int fd;
d082ac49	314	Handle h;
d082ac49	315	int value;
a7459895	316	Str255 pkey;
d082ac49	317
	318	if (handle == NULL) goto out;
	319	fd = (int )handle;
	320	UseResFile(fd);
	321	if (ResError() != noErr) goto out;
a7459895	322	c2pstrcpy(pkey, key);
a7459895	323	h = Get1NamedResource(FOUR_CHAR_CODE('Int '), pkey);
d082ac49	324	if (h == NULL) goto out;
	325	value = (int )*h;
	326	ReleaseResource(h);
	327	if (ResError() != noErr) goto out;
	328	return value;
	329
	330	out:
	331	return defvalue;
	332	}
	333
9a30e26b	334	int read_setting_fontspec(void handle, const char name, FontSpec *result)
	335	{
	336	char *settingname;
	337	FontSpec ret;
e3c5b245	338	char tmp[256];
9a30e26b	339
e3c5b245	340	if (!read_setting_s(handle, name, tmp, sizeof(tmp)))
9a30e26b	341	return 0;
e3c5b245	342	c2pstrcpy(ret.name, tmp);
	343	settingname = dupcat(name, "Face", NULL);
	344	ret.face = read_setting_i(handle, settingname, 0);
9a30e26b	345	sfree(settingname);
9a30e26b	346	settingname = dupcat(name, "Height", NULL);
e3c5b245	347	ret.size = read_setting_i(handle, settingname, 0);
9a30e26b	348	sfree(settingname);
e3c5b245	349	if (ret.size == 0) return 0;
9a30e26b	350	*result = ret;
	351	return 1;
	352	}
	353
	354	void write_setting_fontspec(void handle, const char name, FontSpec font)
	355	{
	356	char *settingname;
e3c5b245	357	char tmp[256];
9a30e26b	358
e3c5b245	359	p2cstrcpy(tmp, font.name);
	360	write_setting_s(handle, name, tmp);
	361	settingname = dupcat(name, "Face", NULL);
	362	write_setting_i(handle, settingname, font.face);
9a30e26b	363	sfree(settingname);
e3c5b245	364	settingname = dupcat(name, "Size", NULL);
e3c5b245	365	write_setting_i(handle, settingname, font.size);
9a30e26b	366	sfree(settingname);
	367	}
	368
a7459895	369	int read_setting_filename(void handle, const char key, Filename *result)
9a30e26b	370	{
02cf4001	371	int fd;
	372	AliasHandle h;
	373	Boolean changed;
	374	OSErr err;
a7459895	375	Str255 pkey;
02cf4001	376
	377	if (handle == NULL) goto out;
	378	fd = (int )handle;
	379	UseResFile(fd);
	380	if (ResError() != noErr) goto out;
a7459895	381	c2pstrcpy(pkey, key);
a7459895	382	h = (AliasHandle)Get1NamedResource(rAliasType, pkey);
02cf4001	383	if (h == NULL) goto out;
	384	if ((h)->userType == 'pTTY' && (h)->aliasSize == sizeof(**h))
	385	memset(result, 0, sizeof(*result));
	386	else {
	387	err = ResolveAlias(NULL, h, &result->fss, &changed);
	388	if (err != noErr && err != fnfErr) goto out;
	389	if ((*h)->userType == 'pTTY') {
	390	long dirid;
	391	StrFileName fname;
	392
	393	/* Tail of record is pascal string contaning leafname */
	394	if (FSpGetDirID(&result->fss, &dirid, FALSE) != noErr) goto out;
	395	memcpy(fname, (char )h + (*h)->aliasSize,
	396	GetHandleSize((Handle)h) - (*h)->aliasSize);
	397	err = FSMakeFSSpec(result->fss.vRefNum, dirid, fname,
	398	&result->fss);
	399	if (err != noErr && err != fnfErr) goto out;
	400	}
	401	}
	402	ReleaseResource((Handle)h);
	403	if (ResError() != noErr) goto out;
	404	return 1;
	405
	406	out:
	407	return 0;
9a30e26b	408	}
9a30e26b	409
a7459895	410	void write_setting_filename(void handle, const char key, Filename fn)
9a30e26b	411	{
02cf4001	412	int fd = (int )handle;
	413	AliasHandle h;
	414	int id;
	415	OSErr error;
a7459895	416	Str255 pkey;
02cf4001	417
	418	UseResFile(fd);
	419	if (ResError() != noErr)
	420	fatalbox("Failed to open saved session (%d)", ResError());
	421
	422	if (filename_is_null(fn)) {
	423	/* Generate a special "null" alias */
	424	h = (AliasHandle)NewHandle(sizeof(**h));
	425	if (h == NULL)
	426	fatalbox("Failed to create fake alias");
	427	(*h)->userType = 'pTTY';
	428	(h)->aliasSize = sizeof(*h);
	429	} else {
	430	error = NewAlias(NULL, &fn.fss, &h);
	431	if (error == fnfErr) {
	432	/*
	433	* NewAlias can't create an alias for a nonexistent file.
	434	* Create an alias for the directory, and record the
	435	* filename as well.
	436	*/
	437	FSSpec tmpfss;
	438
	439	FSMakeFSSpec(fn.fss.vRefNum, fn.fss.parID, NULL, &tmpfss);
	440	error = NewAlias(NULL, &tmpfss, &h);
	441	if (error != noErr)
	442	fatalbox("Failed to create alias");
	443	(*h)->userType = 'pTTY';
	444	SetHandleSize((Handle)h, (*h)->aliasSize + fn.fss.name[0] + 1);
	445	if (MemError() != noErr)
	446	fatalbox("Failed to create alias");
	447	memcpy((char )h + (*h)->aliasSize, fn.fss.name,
	448	fn.fss.name[0] + 1);
	449	}
	450	if (error != noErr)
	451	fatalbox("Failed to create alias");
	452	}
	453	/* Put the data in a resource. */
	454	id = Unique1ID(rAliasType);
	455	if (ResError() != noErr)
a7459895	456	fatalbox("Failed to get ID for resource %s (%d)", key, ResError());
	457	c2pstrcpy(pkey, key);
	458	AddResource((Handle)h, rAliasType, id, pkey);
02cf4001	459	if (ResError() != noErr)
a7459895	460	fatalbox("Failed to add resource %s (%d)", key, ResError());
9a30e26b	461	}
9a30e26b	462
d082ac49	463	void close_settings_r(void *handle) {
	464	int fd;
	465
	466	if (handle == NULL) return;
	467	fd = (int )handle;
	468	CloseResFile(fd);
	469	if (ResError() != noErr)
	470	fatalbox("Close of saved session failed (%d)", ResError());
a7459895	471	sfree(handle);
d082ac49	472	}
d082ac49	473
f5d2d791	474	void del_settings(char const *sessionname) {
d082ac49	475	OSErr error;
	476	FSSpec sessfile;
	477	short sessVRefNum;
	478	long sessDirID;
	479	Str255 psessionname;
	480
	481	error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID);
	482
	483	c2pstrcpy(psessionname, sessionname);
	484	error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile);
	485	if (error != noErr) goto out;
	486
	487	error = FSpDelete(&sessfile);
	488	return;
	489	out:
	490	fatalbox("Delete session failed (%d)", error);
	491	}
	492
	493	struct enum_settings_state {
	494	short vRefNum;
	495	long dirID;
	496	int index;
	497	};
	498
	499	void *enum_settings_start(void) {
	500	OSErr error;
	501	struct enum_settings_state *state;
	502
	503	state = safemalloc(sizeof(*state));
	504	error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID);
	505	if (error != noErr) {
	506	safefree(state);
	507	return NULL;
	508	}
	509	state->index = 1;
	510	return state;
	511	}
	512
	513	char enum_settings_next(void handle, char *buffer, int buflen) {
	514	struct enum_settings_state *e = handle;
	515	CInfoPBRec pb;
	516	OSErr error = noErr;
	517	Str255 name;
	518
	519	if (e == NULL) return NULL;
	520	do {
	521	pb.hFileInfo.ioNamePtr = name;
	522	pb.hFileInfo.ioVRefNum = e->vRefNum;
	523	pb.hFileInfo.ioDirID = e->dirID;
	524	pb.hFileInfo.ioFDirIndex = e->index++;
	525	error = PBGetCatInfoSync(&pb);
	526	if (error != noErr) return NULL;
	527	} while (!((pb.hFileInfo.ioFlAttrib & ioDirMask) == 0 &&
	528	pb.hFileInfo.ioFlFndrInfo.fdCreator == PUTTY_CREATOR &&
	529	pb.hFileInfo.ioFlFndrInfo.fdType == SESS_TYPE &&
	530	name[0] < buflen));
	531
	532	p2cstrcpy(buffer, name);
	533	return buffer;
	534	}
	535
	536	void enum_settings_finish(void *handle) {
	537
	538	safefree(handle);
539	}
540
0c4b7799	541	#define SEED_SIZE 512
	542
	543	void read_random_seed(noise_consumer_t consumer)
	544	{
	545	short puttyVRefNum;
	546	long puttyDirID;
	547	OSErr error;
	548	char buf[SEED_SIZE];
	549	short refnum;
	550	long count = SEED_SIZE;
	551
	552	if (get_putty_dir(kDontCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
	553	return;
	554	if (HOpenDF(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed", fsRdPerm,
	555	&refnum) != noErr)
	556	return;
	557	error = FSRead(refnum, &count, buf);
	558	if (error != noErr && error != eofErr)
	559	return;
	560	(*consumer)(buf, count);
	561	FSClose(refnum);
	562	}
	563
604379f1	564	/*
	565	* We don't bother with the usual FSpExchangeFiles dance here because
	566	* it doesn't really matter if the old random seed gets lost.
	567	*/
0c4b7799	568	void write_random_seed(void *data, int len)
0c4b7799	569	{
604379f1	570	short puttyVRefNum;
604379f1	571	long puttyDirID;
0c4b7799	572	OSErr error;
604379f1	573	FSSpec dstfile;
0c4b7799	574	short refnum;
	575	long count = len;
	576
	577	if (get_putty_dir(kCreateFolder, &puttyVRefNum, &puttyDirID) != noErr)
	578	return;
	579
	580	error = FSMakeFSSpec(puttyVRefNum, puttyDirID, "\pPuTTY Random Seed",
	581	&dstfile);
1d4cb74b	582	if (error == fnfErr) {
	583	/* Set up standard resources */
	584	FSpCreateResFile(&dstfile, INTERNAL_CREATOR, SEED_TYPE, smRoman);
	585	refnum = FSpOpenResFile(&dstfile, fsWrPerm);
	586	if (ResError() == noErr) {
	587	copy_resource('STR ', -16397);
	588	CloseResFile(refnum);
	589	}
	590	} else if (error != noErr) return;
0c4b7799	591
604379f1	592	if (FSpOpenDF(&dstfile, fsWrPerm, &refnum) != noErr) return;
604379f1	593	FSWrite(refnum, &count, data);
0c4b7799	594	FSClose(refnum);
1d4cb74b	595
604379f1	596	return;
0c4b7799	597	}
d082ac49	598
	599	/*
	600	* Emacs magic:
	601	* Local Variables:
	602	* c-file-style: "simon"
	603	* End:
	604	*/