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1 | /* $Id: macstore.c,v 1.6 2002/12/30 18:21:17 ben Exp $ */ |
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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 | |
14 | #include <string.h> |
15 | |
16 | #include "putty.h" |
17 | #include "storage.h" |
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18 | #include "mac.h" |
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19 | |
20 | #define PUTTY_CREATOR FOUR_CHAR_CODE('pTTY') |
21 | #define SESS_TYPE FOUR_CHAR_CODE('Sess') |
22 | |
23 | |
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24 | OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit); |
25 | |
26 | /* |
27 | * We store each session as a file in the "PuTTY" sub-directory of the |
28 | * preferences folder. Each (key,value) pair is stored as a resource. |
29 | */ |
30 | |
31 | OSErr get_session_dir(Boolean makeit, short *pVRefNum, long *pDirID) { |
32 | OSErr error = noErr; |
33 | short prefVRefNum; |
34 | FSSpec puttydir, sessdir; |
35 | long prefDirID, puttyDirID, sessDirID; |
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 | |
46 | error = FSMakeFSSpec(prefVRefNum, puttyDirID, "\pSaved Sessions", |
47 | &sessdir); |
48 | if (error != noErr && error != fnfErr) goto out; |
49 | error = FSpGetDirID(&sessdir, &sessDirID, makeit); |
50 | if (error != noErr) goto out; |
51 | |
52 | *pVRefNum = prefVRefNum; |
53 | *pDirID = sessDirID; |
54 | |
55 | out: |
56 | return error; |
57 | } |
58 | |
59 | OSErr FSpGetDirID(FSSpec *f, long *idp, Boolean makeit) { |
60 | CInfoPBRec pb; |
61 | OSErr error = noErr; |
62 | |
63 | pb.dirInfo.ioNamePtr = f->name; |
64 | pb.dirInfo.ioVRefNum = f->vRefNum; |
65 | pb.dirInfo.ioDrDirID = f->parID; |
66 | pb.dirInfo.ioFDirIndex = 0; |
67 | error = PBGetCatInfoSync(&pb); |
68 | if (error == fnfErr && makeit) |
69 | return FSpDirCreate(f, smSystemScript, idp); |
70 | if (error != noErr) goto out; |
71 | if ((pb.dirInfo.ioFlAttrib & ioDirMask) == 0) { |
72 | error = dirNFErr; |
73 | goto out; |
74 | } |
75 | *idp = pb.dirInfo.ioDrDirID; |
76 | |
77 | out: |
78 | return error; |
79 | } |
80 | |
81 | struct write_settings { |
82 | int fd; |
83 | FSSpec tmpfile; |
84 | FSSpec dstfile; |
85 | }; |
86 | |
87 | void *open_settings_w(char *sessionname) { |
88 | short sessVRefNum, tmpVRefNum; |
89 | long sessDirID, tmpDirID; |
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90 | OSErr error; |
91 | Str255 psessionname; |
92 | struct write_settings *ws; |
93 | |
94 | ws = safemalloc(sizeof *ws); |
95 | error = get_session_dir(kCreateFolder, &sessVRefNum, &sessDirID); |
96 | if (error != noErr) goto out; |
97 | |
98 | c2pstrcpy(psessionname, sessionname); |
99 | error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &ws->dstfile); |
100 | if (error != noErr && error != fnfErr) goto out; |
101 | if (error == fnfErr) { |
102 | FSpCreateResFile(&ws->dstfile, PUTTY_CREATOR, SESS_TYPE, |
103 | smSystemScript); |
104 | if ((error = ResError()) != noErr) goto out; |
105 | } |
106 | |
107 | /* Create a temporary file to save to first. */ |
108 | error = FindFolder(sessVRefNum, kTemporaryFolderType, kCreateFolder, |
109 | &tmpVRefNum, &tmpDirID); |
110 | if (error != noErr) goto out; |
111 | error = FSMakeFSSpec(tmpVRefNum, tmpDirID, psessionname, &ws->tmpfile); |
112 | if (error != noErr && error != fnfErr) goto out; |
113 | if (error == noErr) { |
114 | error = FSpDelete(&ws->tmpfile); |
115 | if (error != noErr) goto out; |
116 | } |
117 | FSpCreateResFile(&ws->tmpfile, PUTTY_CREATOR, SESS_TYPE, smSystemScript); |
118 | if ((error = ResError()) != noErr) goto out; |
119 | |
120 | ws->fd = FSpOpenResFile(&ws->tmpfile, fsWrPerm); |
121 | if (ws->fd == -1) {error = ResError(); goto out;} |
122 | |
123 | return ws; |
124 | |
125 | out: |
126 | safefree(ws); |
127 | fatalbox("Failed to open session for write (%d)", error); |
128 | } |
129 | |
130 | void write_setting_s(void *handle, char *key, char *value) { |
131 | int fd = *(int *)handle; |
132 | Handle h; |
133 | int id; |
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134 | OSErr error; |
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135 | |
136 | UseResFile(fd); |
137 | if (ResError() != noErr) |
138 | fatalbox("Failed to open saved session (%d)", ResError()); |
139 | |
140 | error = PtrToHand(value, &h, strlen(value)); |
141 | if (error != noErr) |
142 | fatalbox("Failed to allocate memory"); |
143 | /* Put the data in a resource. */ |
144 | id = Unique1ID(FOUR_CHAR_CODE('TEXT')); |
145 | if (ResError() != noErr) |
146 | fatalbox("Failed to get ID for resource %s (%d)", key, ResError()); |
147 | addresource(h, FOUR_CHAR_CODE('TEXT'), id, key); |
148 | if (ResError() != noErr) |
149 | fatalbox("Failed to add resource %s (%d)", key, ResError()); |
150 | } |
151 | |
152 | void write_setting_i(void *handle, char *key, int value) { |
153 | int fd = *(int *)handle; |
154 | Handle h; |
155 | int id; |
156 | OSErr error; |
157 | |
158 | UseResFile(fd); |
159 | if (ResError() != noErr) |
160 | fatalbox("Failed to open saved session (%d)", ResError()); |
161 | |
162 | /* XXX assume all systems have the same "int" format */ |
163 | error = PtrToHand(&value, &h, sizeof(int)); |
164 | if (error != noErr) |
165 | fatalbox("Failed to allocate memory (%d)", error); |
166 | |
167 | /* Put the data in a resource. */ |
168 | id = Unique1ID(FOUR_CHAR_CODE('Int ')); |
169 | if (ResError() != noErr) |
170 | fatalbox("Failed to get ID for resource %s (%d)", key, ResError()); |
171 | addresource(h, FOUR_CHAR_CODE('Int '), id, key); |
172 | if (ResError() != noErr) |
173 | fatalbox("Failed to add resource %s (%d)", key, ResError()); |
174 | } |
175 | |
176 | void close_settings_w(void *handle) { |
177 | struct write_settings *ws = handle; |
178 | OSErr error; |
179 | |
180 | CloseResFile(ws->fd); |
181 | if ((error = ResError()) != noErr) |
182 | goto out; |
183 | error = FSpExchangeFiles(&ws->tmpfile, &ws->dstfile); |
184 | if (error != noErr) goto out; |
185 | error = FSpDelete(&ws->tmpfile); |
186 | if (error != noErr) goto out; |
187 | return; |
188 | |
189 | out: |
190 | fatalbox("Close of saved session failed (%d)", error); |
191 | safefree(handle); |
192 | } |
193 | |
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194 | void *open_settings_r(char *sessionname) |
195 | { |
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196 | short sessVRefNum; |
197 | long sessDirID; |
198 | FSSpec sessfile; |
199 | OSErr error; |
200 | Str255 psessionname; |
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201 | |
202 | error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID); |
203 | |
204 | c2pstrcpy(psessionname, sessionname); |
205 | error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile); |
206 | if (error != noErr) goto out; |
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207 | return open_settings_r_fsp(&sessfile); |
208 | |
209 | out: |
210 | return NULL; |
211 | } |
212 | |
213 | void *open_settings_r_fsp(FSSpec *sessfile) |
214 | { |
215 | OSErr error; |
216 | int fd; |
217 | int *handle; |
218 | |
219 | fd = FSpOpenResFile(sessfile, fsRdPerm); |
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220 | if (fd == 0) {error = ResError(); goto out;} |
221 | |
222 | handle = safemalloc(sizeof *handle); |
223 | *handle = fd; |
224 | return handle; |
225 | |
226 | out: |
227 | return NULL; |
228 | } |
229 | |
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230 | char *read_setting_s(void *handle, char *key, char *buffer, int buflen) { |
231 | int fd; |
232 | Handle h; |
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233 | size_t len; |
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234 | |
235 | if (handle == NULL) goto out; |
236 | fd = *(int *)handle; |
237 | UseResFile(fd); |
238 | if (ResError() != noErr) goto out; |
239 | h = get1namedresource(FOUR_CHAR_CODE('TEXT'), key); |
240 | if (h == NULL) goto out; |
241 | |
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242 | len = GetHandleSize(h); |
243 | if (len + 1 > buflen) goto out; |
244 | memcpy(buffer, *h, len); |
245 | buffer[len] = '\0'; |
246 | |
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247 | ReleaseResource(h); |
248 | if (ResError() != noErr) goto out; |
249 | return buffer; |
250 | |
251 | out: |
252 | return NULL; |
253 | } |
254 | |
255 | int read_setting_i(void *handle, char *key, int defvalue) { |
256 | int fd; |
257 | Handle h; |
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258 | int value; |
259 | |
260 | if (handle == NULL) goto out; |
261 | fd = *(int *)handle; |
262 | UseResFile(fd); |
263 | if (ResError() != noErr) goto out; |
264 | h = get1namedresource(FOUR_CHAR_CODE('Int '), key); |
265 | if (h == NULL) goto out; |
266 | value = *(int *)*h; |
267 | ReleaseResource(h); |
268 | if (ResError() != noErr) goto out; |
269 | return value; |
270 | |
271 | out: |
272 | return defvalue; |
273 | } |
274 | |
275 | void close_settings_r(void *handle) { |
276 | int fd; |
277 | |
278 | if (handle == NULL) return; |
279 | fd = *(int *)handle; |
280 | CloseResFile(fd); |
281 | if (ResError() != noErr) |
282 | fatalbox("Close of saved session failed (%d)", ResError()); |
283 | safefree(handle); |
284 | } |
285 | |
286 | void del_settings(char *sessionname) { |
287 | OSErr error; |
288 | FSSpec sessfile; |
289 | short sessVRefNum; |
290 | long sessDirID; |
291 | Str255 psessionname; |
292 | |
293 | error = get_session_dir(kDontCreateFolder, &sessVRefNum, &sessDirID); |
294 | |
295 | c2pstrcpy(psessionname, sessionname); |
296 | error = FSMakeFSSpec(sessVRefNum, sessDirID, psessionname, &sessfile); |
297 | if (error != noErr) goto out; |
298 | |
299 | error = FSpDelete(&sessfile); |
300 | return; |
301 | out: |
302 | fatalbox("Delete session failed (%d)", error); |
303 | } |
304 | |
305 | struct enum_settings_state { |
306 | short vRefNum; |
307 | long dirID; |
308 | int index; |
309 | }; |
310 | |
311 | void *enum_settings_start(void) { |
312 | OSErr error; |
313 | struct enum_settings_state *state; |
314 | |
315 | state = safemalloc(sizeof(*state)); |
316 | error = get_session_dir(kDontCreateFolder, &state->vRefNum, &state->dirID); |
317 | if (error != noErr) { |
318 | safefree(state); |
319 | return NULL; |
320 | } |
321 | state->index = 1; |
322 | return state; |
323 | } |
324 | |
325 | char *enum_settings_next(void *handle, char *buffer, int buflen) { |
326 | struct enum_settings_state *e = handle; |
327 | CInfoPBRec pb; |
328 | OSErr error = noErr; |
329 | Str255 name; |
330 | |
331 | if (e == NULL) return NULL; |
332 | do { |
333 | pb.hFileInfo.ioNamePtr = name; |
334 | pb.hFileInfo.ioVRefNum = e->vRefNum; |
335 | pb.hFileInfo.ioDirID = e->dirID; |
336 | pb.hFileInfo.ioFDirIndex = e->index++; |
337 | error = PBGetCatInfoSync(&pb); |
338 | if (error != noErr) return NULL; |
339 | } while (!((pb.hFileInfo.ioFlAttrib & ioDirMask) == 0 && |
340 | pb.hFileInfo.ioFlFndrInfo.fdCreator == PUTTY_CREATOR && |
341 | pb.hFileInfo.ioFlFndrInfo.fdType == SESS_TYPE && |
342 | name[0] < buflen)); |
343 | |
344 | p2cstrcpy(buffer, name); |
345 | return buffer; |
346 | } |
347 | |
348 | void enum_settings_finish(void *handle) { |
349 | |
350 | safefree(handle); |
351 | } |
352 | |
353 | |
354 | /* |
355 | * Emacs magic: |
356 | * Local Variables: |
357 | * c-file-style: "simon" |
358 | * End: |
359 | */ |