### Bug Summary

File: | builds/wireshark/wireshark/epan/color_filters.c
Warning: | line 884, column 13 File position of the stream might be 'indeterminate' after a failed operation. Can cause undefined behavior

### Annotated Source Code

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1 | /* color_filters.c
2 | * Routines for color filters
3 | *
4 | * Wireshark - Network traffic analyzer
5 | * By Gerald Combs <gerald@wireshark.org>
6 | * Copyright 1998 Gerald Combs
7 | *
8 | * SPDX-License-Identifier: GPL-2.0-or-later
9 | */
10 | /*
11 | * Updated 1 Dec 10 jjm
12 | */
13 |
14 | #include "config.h"
15 | #define WS_LOG_DOMAIN"Epan" LOG_DOMAIN_EPAN"Epan"
16 |
17 | #include <glib.h>
18 |
19 | #include <errno(*__errno_location ()).h>
20 | #include <stdio.h>
21 | #include <stdlib.h>
22 | #include <string.h>
23 |
24 | #include <wsutil/filesystem.h>
25 | #include <wsutil/file_util.h>
26 | #include <wsutil/report_message.h>
27 | #include <wsutil/wslog.h>
28 | #include <wsutil/ws_assert.h>
29 | #include <wsutil/wmem/wmem_list.h>
30 |
31 | #include <epan/packet.h>
32 | #include "color_filters.h"
33 | #include "file.h"
34 | #include <epan/dfilter/dfilter.h>
35 | #include <epan/prefs.h>
36 | #include <epan/epan_dissect.h>
37 |
38 | /*
39 | * Each line in the colorfilters file has the following format:
40 | *
41 | * @<filter name>@<filter string>@[<background>][<foreground>]
42 | * Background and foreground colors are 16-bit comma-separated RGB
43 | * triplets. Colors are 16 bits because that's what GdkColor used.
44 | * We might want to use a more standard, copy+paste-able color scheme
45 | * such as #RRGGBB instead.
46 | */
47 |
48 | static int read_filters_file(const char *path, FILE *f, void *user_data, color_filter_add_cb_func add_cb);
49 |
50 | /* the currently active filters */
51 | static GSList *color_filter_list;
52 |
53 | /* keep "old" deleted filters in this list until
54 | * the dissection no longer needs them (e.g. file is closed) */
55 | static GSList *color_filter_deleted_list;
56 | static GSList *color_filter_valid_list;
57 |
58 | /* Color Filters can en-/disabled. */
59 | static bool_Bool filters_enabled = true1;
60 |
61 | /* Session-level disabled (paused) filters */
62 | static GHashTable *session_disabled_filters;
63 |
64 | /* Remember if there are temporary coloring filters set to
65 | * add sensitivity to the "Reset Coloring 1-10" menu item
66 | */
67 | static bool_Bool tmp_colors_set;
68 |
69 | /* Create a new filter */
70 | color_filter_t *
71 | color_filter_new(const char *name, /* The name of the filter to create */
72 | const char *filter_string, /* The string representing the filter */
73 | color_t *bg_color, /* The background color */
74 | color_t *fg_color, /* The foreground color */
75 | bool_Bool disabled) /* Is the filter disabled? */
76 | {
77 | color_filter_t *colorf;
78 |
79 | colorf = g_new0(color_filter_t, 1)((color_filter_t *) g_malloc0_n ((1), sizeof (color_filter_t) ));
80 | colorf->filter_name = g_strdup(name)g_strdup_inline (name);
81 | colorf->filter_text = g_strdup(filter_string)g_strdup_inline (filter_string);
82 | colorf->bg_color = *bg_color;
83 | colorf->fg_color = *fg_color;
84 | colorf->disabled = disabled;
85 | return colorf;
86 | }
87 |
88 | /* Add ten empty (temporary) colorfilters for easy coloring */
89 | static void
90 | color_filters_add_tmp(GSList **cfl)
91 | {
92 | char *name = NULL((void*)0);
93 | uint32_t i;
94 | char** bg_colors;
95 | char** fg_colors;
96 | unsigned long cval;
97 | color_t bg_color, fg_color;
98 | color_filter_t *colorf;
99 |
100 | ws_assert(strlen(prefs.gui_colorized_fg)==69)do { if ((1) && !(strlen(prefs.gui_colorized_fg)==69) ) ws_log_fatal_full("Epan", LOG_LEVEL_ERROR, "epan/color_filters.c" , 100, __func__, "assertion failed: %s", "strlen(prefs.gui_colorized_fg)==69" ); } while (0);
101 | ws_assert(strlen(prefs.gui_colorized_bg)==69)do { if ((1) && !(strlen(prefs.gui_colorized_bg)==69) ) ws_log_fatal_full("Epan", LOG_LEVEL_ERROR, "epan/color_filters.c" , 101, __func__, "assertion failed: %s", "strlen(prefs.gui_colorized_bg)==69" ); } while (0);
102 | fg_colors = g_strsplit(prefs.gui_colorized_fg, ",", -1);
103 | bg_colors = g_strsplit(prefs.gui_colorized_bg, ",", -1);
104 |
105 | for ( i=1 ; i<=10 ; i++ ) {
106 | name = ws_strdup_printf("%s%02d",CONVERSATION_COLOR_PREFIX,i)wmem_strdup_printf(((void*)0), "%s%02d","___conversation_color_filter___" ,i);
107 |
108 | /* retrieve background and foreground colors */
109 | cval = strtoul(fg_colors[i-1], NULL((void*)0), 16);
110 | fg_color.red = RED_COMPONENT(cval)(uint16_t) (((((cval) >> 16) & 0xff) * 65535 / 255) );
111 | fg_color.green = GREEN_COMPONENT(cval)(uint16_t) (((((cval) >> 8) & 0xff) * 65535 / 255));
112 | fg_color.blue = BLUE_COMPONENT(cval)(uint16_t) ( (((cval) & 0xff) * 65535 / 255));
113 | cval = strtoul(bg_colors[i-1], NULL((void*)0), 16);
114 | bg_color.red = RED_COMPONENT(cval)(uint16_t) (((((cval) >> 16) & 0xff) * 65535 / 255) );
115 | bg_color.green = GREEN_COMPONENT(cval)(uint16_t) (((((cval) >> 8) & 0xff) * 65535 / 255));
116 | bg_color.blue = BLUE_COMPONENT(cval)(uint16_t) ( (((cval) & 0xff) * 65535 / 255));
117 | colorf = color_filter_new(name, NULL((void*)0), &bg_color, &fg_color, true1);
118 | colorf->filter_text = g_strdup("frame")g_strdup_inline ("frame");
119 | *cfl = g_slist_append(*cfl, colorf);
120 |
121 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
122 | }
123 |
124 | g_strfreev(fg_colors);
125 | g_strfreev(bg_colors);
126 | }
127 |
128 | static int
129 | color_filters_find_by_name_cb(const void *arg1, const void *arg2)
130 | {
131 | const color_filter_t *colorf = (const color_filter_t *)arg1;
132 | const char *name = (const char *)arg2;
133 |
134 | return strcmp(colorf->filter_name, name);
135 | }
136 |
137 | /* Get the filter of a temporary color filter */
138 | char*
139 | color_filters_get_tmp(uint8_t filt_nr)
140 | {
141 | char* name = NULL((void*)0);
142 | char* filter = NULL((void*)0);
143 | GSList* cfl;
144 | color_filter_t* colorf;
145 | /* Only perform a lookup if the supplied filter number is in the expected range */
146 | if (filt_nr < 1 || filt_nr > 10)
147 | return NULL((void*)0);
148 |
149 | name = ws_strdup_printf("%s%02d", CONVERSATION_COLOR_PREFIX, filt_nr)wmem_strdup_printf(((void*)0), "%s%02d", "___conversation_color_filter___" , filt_nr);
150 | cfl = g_slist_find_custom(color_filter_list, name, color_filters_find_by_name_cb);
151 | colorf = (color_filter_t*)cfl->data;
152 |
153 | if (!colorf->disabled)
154 | filter = g_strdup(colorf->filter_text)g_strdup_inline (colorf->filter_text);
155 |
156 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
157 |
158 | return filter;
159 | }
160 |
161 | /* Set the filter off a temporary colorfilters and enable it */
162 | bool_Bool
163 | color_filters_set_tmp(uint8_t filt_nr, const char *filter, bool_Bool disabled, char **err_msg)
164 | {
165 | char *name = NULL((void*)0);
166 | const char *tmpfilter = NULL((void*)0);
167 | GSList *cfl;
168 | color_filter_t *colorf;
169 | dfilter_t *compiled_filter;
170 | uint8_t i;
171 | df_error_t *df_err = NULL((void*)0);
172 | /* Go through the temporary filters and look for the same filter string.
173 | * If found, clear it so that a filter can be "moved" up and down the list
174 | */
175 | for ( i=1 ; i<=10 ; i++ ) {
176 | /* If we need to reset the temporary filter (filter==NULL), don't look
177 | * for other rules with the same filter string
178 | */
179 | if( i!=filt_nr && filter==NULL((void*)0) )
180 | continue;
181 |
182 | name = ws_strdup_printf("%s%02d",CONVERSATION_COLOR_PREFIX,i)wmem_strdup_printf(((void*)0), "%s%02d","___conversation_color_filter___" ,i);
183 | cfl = g_slist_find_custom(color_filter_list, name, color_filters_find_by_name_cb);
184 | colorf = (color_filter_t *)cfl->data;
185 |
186 | /* Only change the filter rule if this is the rule to change or if
187 | * a matching filter string has been found
188 | */
189 | if(colorf && ( i == filt_nr || filter == NULL((void*)0) || !strcmp(filter, colorf->filter_text) ) ) {
190 | /* set filter string to "frame" if we are resetting the rules
191 | * or if we found a matching filter string which need to be cleared
192 | */
193 | tmpfilter = ( (filter==NULL((void*)0)) || (i!=filt_nr) ) ? "frame" : filter;
194 | if (!dfilter_compile(tmpfilter, &compiled_filter, &df_err)dfilter_compile_full(tmpfilter, &compiled_filter, &df_err , (1U << 1)|(1U << 2), __func__)) {
195 | *err_msg = ws_strdup_printf( "Could not compile color filter name: \"%s\" text: \"%s\".\n%s", name, filter, df_err->msg)wmem_strdup_printf(((void*)0), "Could not compile color filter name: \"%s\" text: \"%s\".\n%s" , name, filter, df_err->msg);
196 | df_error_free(&df_err);
197 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
198 | return false0;
199 | } else {
200 | g_free(colorf->filter_text)(__builtin_object_size ((colorf->filter_text), 0) != ((size_t ) - 1)) ? g_free_sized (colorf->filter_text, __builtin_object_size ((colorf->filter_text), 0)) : (g_free) (colorf->filter_text );
201 | dfilter_free(colorf->c_colorfilter);
202 | colorf->filter_text = g_strdup(tmpfilter)g_strdup_inline (tmpfilter);
203 | colorf->c_colorfilter = compiled_filter;
204 | colorf->disabled = ((i!=filt_nr) ? true1 : disabled);
205 | /* Remember that there are now temporary coloring filters set */
206 | if( filter )
207 | tmp_colors_set = true1;
208 | }
209 | }
210 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
211 | }
212 | return true1;
213 | }
214 |
215 | const color_filter_t *
216 | color_filters_tmp_color(uint8_t filter_num) {
217 | char *name;
218 | color_filter_t *colorf = NULL((void*)0);
219 | GSList *cfl;
220 |
221 | name = ws_strdup_printf("%s%02d", CONVERSATION_COLOR_PREFIX, filter_num)wmem_strdup_printf(((void*)0), "%s%02d", "___conversation_color_filter___" , filter_num);
222 | cfl = g_slist_find_custom(color_filter_list, name, color_filters_find_by_name_cb);
223 | if (cfl) {
224 | colorf = (color_filter_t *)cfl->data;
225 | }
226 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
227 |
228 | return colorf;
229 | }
230 |
231 | /* Reset the temporary colorfilters */
232 | bool_Bool
233 | color_filters_reset_tmp(char **err_msg)
234 | {
235 | uint8_t i;
236 |
237 | for ( i=1 ; i<=10 ; i++ ) {
238 | if (!color_filters_set_tmp(i, NULL((void*)0), true1, err_msg))
239 | return false0;
240 | }
241 | /* Remember that there are now *no* temporary coloring filters set */
242 | tmp_colors_set = false0;
243 | return true1;
244 | }
245 |
246 | /* delete the specified filter */
247 | void
248 | color_filter_delete(color_filter_t *colorf)
249 | {
250 | g_free(colorf->filter_name)(__builtin_object_size ((colorf->filter_name), 0) != ((size_t ) - 1)) ? g_free_sized (colorf->filter_name, __builtin_object_size ((colorf->filter_name), 0)) : (g_free) (colorf->filter_name );
251 | g_free(colorf->filter_text)(__builtin_object_size ((colorf->filter_text), 0) != ((size_t ) - 1)) ? g_free_sized (colorf->filter_text, __builtin_object_size ((colorf->filter_text), 0)) : (g_free) (colorf->filter_text );
252 | dfilter_free(colorf->c_colorfilter);
253 | g_free(colorf)(__builtin_object_size ((colorf), 0) != ((size_t) - 1)) ? g_free_sized (colorf, __builtin_object_size ((colorf), 0)) : (g_free) (colorf );
254 | }
255 |
256 | /* delete the specified filter (called from g_slist_foreach) */
257 | static void
258 | color_filter_delete_cb(void *filter_arg)
259 | {
260 | color_filter_t *colorf = (color_filter_t *)filter_arg;
261 |
262 | color_filter_delete(colorf);
263 | }
264 |
265 | /* delete the specified list */
266 | void
267 | color_filter_list_delete(GSList **cfl)
268 | {
269 | g_slist_free_full(*cfl, color_filter_delete_cb);
270 | *cfl = NULL((void*)0);
271 | }
272 |
273 | /* clone a single list entries from normal to edit list */
274 | static color_filter_t *
275 | color_filter_clone(color_filter_t *colorf)
276 | {
277 | color_filter_t *new_colorf;
278 |
279 | new_colorf = g_new(color_filter_t, 1)((color_filter_t *) g_malloc_n ((1), sizeof (color_filter_t)) );
280 | new_colorf->filter_name = g_strdup(colorf->filter_name)g_strdup_inline (colorf->filter_name);
281 | new_colorf->filter_text = g_strdup(colorf->filter_text)g_strdup_inline (colorf->filter_text);
282 | new_colorf->bg_color = colorf->bg_color;
283 | new_colorf->fg_color = colorf->fg_color;
284 | new_colorf->disabled = colorf->disabled;
285 | new_colorf->c_colorfilter = NULL((void*)0);
286 |
287 | return new_colorf;
288 | }
289 |
290 | static void
291 | color_filter_list_clone_cb(void *filter_arg, void *cfl_arg)
292 | {
293 | GSList **cfl = (GSList **)cfl_arg;
294 | color_filter_t *new_colorf;
295 |
296 | new_colorf = color_filter_clone((color_filter_t *)filter_arg);
297 | *cfl = g_slist_append(*cfl, new_colorf);
298 | }
299 |
300 | /* clone the specified list */
301 | static GSList *
302 | color_filter_list_clone(GSList *cfl)
303 | {
304 | GSList *new_list = NULL((void*)0);
305 |
306 | g_slist_foreach(cfl, color_filter_list_clone_cb, &new_list);
307 |
308 | return new_list;
309 | }
310 |
311 | static bool_Bool
312 | color_filters_get(char** err_msg, color_filter_add_cb_func add_cb, const char* app_env_var_prefix)
313 | {
314 | char *path;
315 | FILE *f;
316 | int ret;
317 |
318 | /* start the list with the temporary colorizing rules */
319 | color_filters_add_tmp(&color_filter_list);
320 |
321 | /*
322 | * Try to get the user's filters.
323 | *
324 | * Get the path for the file that would have their filters, and
325 | * try to open it.
326 | */
327 | path = get_persconffile_path(COLORFILTERS_FILE_NAME"colorfilters", true1, app_env_var_prefix);
328 | if ((f = ws_fopenfopen(path, "r")) == NULL((void*)0)) {
329 | if (errno(*__errno_location ()) != ENOENT2) {
330 | /* Error trying to open the file; give up. */
331 | *err_msg = ws_strdup_printf("Could not open filter file\n\"%s\": %s.", path,wmem_strdup_printf(((void*)0), "Could not open filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())))
332 | g_strerror(errno))wmem_strdup_printf(((void*)0), "Could not open filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())));
333 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
334 | return false0;
335 | }
336 | /* They don't have any filters; try to read the global filters */
337 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
338 | return color_filters_read_globals(&color_filter_list, err_msg, add_cb, app_env_var_prefix);
339 | }
340 |
341 | /*
342 | * We've opened it; try to read it.
343 | */
344 | ret = read_filters_file(path, f, &color_filter_list, add_cb);
345 | if (ret != 0) {
346 | *err_msg = ws_strdup_printf("Error reading filter file\n\"%s\": %s.",wmem_strdup_printf(((void*)0), "Error reading filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())))
347 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Error reading filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())));
348 | fclose(f);
349 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
350 | return false0;
351 | }
352 |
353 | /* Success. */
354 | fclose(f);
355 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
356 | return true1;
357 | }
358 |
359 | /* Initialize the filter structures (reading from file) for general running, including app startup */
360 | bool_Bool
361 | color_filters_init(char** err_msg, color_filter_add_cb_func add_cb, const char* app_env_var_prefix)
362 | {
363 | /* delete all currently existing filters */
364 | color_filter_list_delete(&color_filter_list);
365 |
366 | /* now try to construct the filters list */
367 | bool_Bool result = color_filters_get(err_msg, add_cb, app_env_var_prefix);
368 |
369 | /* Load paused filters from profile after loading color filters */
370 | if (result) {
371 | color_filter_read_paused(app_env_var_prefix);
372 | }
373 |
374 | return result;
375 | }
376 |
377 | bool_Bool
378 | color_filters_reload(char** err_msg, color_filter_add_cb_func add_cb, const char* app_env_var_prefix)
379 | {
380 | /* "move" old entries to the deleted list
381 | * we must keep them until the dissection no longer needs them */
382 | color_filter_deleted_list = g_slist_concat(color_filter_deleted_list, color_filter_list);
383 | color_filter_list = NULL((void*)0);
384 |
385 | /* now try to construct the filters list */
386 | return color_filters_get(err_msg, add_cb, app_env_var_prefix);
387 | }
388 |
389 | void
390 | color_filters_cleanup(void)
391 | {
392 | /* delete the previously deleted filters */
393 | color_filter_list_delete(&color_filter_deleted_list);
394 |
395 | if (session_disabled_filters) {
396 | g_hash_table_destroy(session_disabled_filters);
397 | session_disabled_filters = NULL((void*)0);
398 | }
399 | }
400 |
401 | typedef struct _color_clone
402 | {
403 | void *user_data;
404 | color_filter_add_cb_func add_cb;
405 | } color_clone_t;
406 |
407 | static void
408 | color_filters_clone_cb(void *filter_arg, void *user_data)
409 | {
410 | color_clone_t* clone_data = (color_clone_t*)user_data;
411 | color_filter_t * new_colorf = color_filter_clone((color_filter_t *)filter_arg);
412 |
413 | clone_data->add_cb (new_colorf, clone_data->user_data);
414 | }
415 |
416 | void
417 | color_filters_clone(void *user_data, color_filter_add_cb_func add_cb)
418 | {
419 | color_clone_t clone_data;
420 |
421 | clone_data.user_data = user_data;
422 | clone_data.add_cb = add_cb;
423 | g_slist_foreach(color_filter_list, color_filters_clone_cb, &clone_data);
424 | }
425 |
426 |
427 | static void
428 | color_filter_compile_cb(void *filter_arg, void *err)
429 | {
430 | color_filter_t *colorf = (color_filter_t *)filter_arg;
431 | char **err_msg = (char**)err;
432 | df_error_t *df_err = NULL((void*)0);
433 |
434 | ws_assert(colorf->c_colorfilter == NULL)do { if ((1) && !(colorf->c_colorfilter == ((void* )0))) ws_log_fatal_full("Epan", LOG_LEVEL_ERROR, "epan/color_filters.c" , 434, __func__, "assertion failed: %s", "colorf->c_colorfilter == ((void*)0)" ); } while (0);
435 |
436 | /* If the filter is disabled it doesn't matter if it compiles or not. */
437 | if (colorf->disabled) return;
438 |
439 | if (!dfilter_compile(colorf->filter_text, &colorf->c_colorfilter, &df_err)dfilter_compile_full(colorf->filter_text, &colorf-> c_colorfilter, &df_err, (1U << 1)|(1U << 2), __func__ )) {
440 | *err_msg = ws_strdup_printf("Could not compile color filter name: \"%s\" text: \"%s\".\n%s",wmem_strdup_printf(((void*)0), "Could not compile color filter name: \"%s\" text: \"%s\".\n%s" , colorf->filter_name, colorf->filter_text, df_err-> msg)
441 | colorf->filter_name, colorf->filter_text, df_err->msg)wmem_strdup_printf(((void*)0), "Could not compile color filter name: \"%s\" text: \"%s\".\n%s" , colorf->filter_name, colorf->filter_text, df_err-> msg);
442 | df_error_free(&df_err);
443 | /* this filter was compilable before, so this should never happen */
444 | /* except if the OK button of the parent window has been clicked */
445 | /* so don't use ws_assert_not_reached() but check the filters again */
446 | }
447 | }
448 |
449 | static void
450 | color_filter_validate_cb(void *filter_arg, void *err)
451 | {
452 | color_filter_t *colorf = (color_filter_t *)filter_arg;
453 | char **err_msg = (char**)err;
454 | df_error_t *df_err = NULL((void*)0);
455 |
456 | ws_assert(colorf->c_colorfilter == NULL)do { if ((1) && !(colorf->c_colorfilter == ((void* )0))) ws_log_fatal_full("Epan", LOG_LEVEL_ERROR, "epan/color_filters.c" , 456, __func__, "assertion failed: %s", "colorf->c_colorfilter == ((void*)0)" ); } while (0);
457 |
458 | /* If the filter is disabled it doesn't matter if it compiles or not. */
459 | if (colorf->disabled) return;
460 |
461 | if (!dfilter_compile(colorf->filter_text, &colorf->c_colorfilter, &df_err)dfilter_compile_full(colorf->filter_text, &colorf-> c_colorfilter, &df_err, (1U << 1)|(1U << 2), __func__ )) {
462 | *err_msg = ws_strdup_printf("Disabling color filter name: \"%s\" filter: \"%s\".\n%s",wmem_strdup_printf(((void*)0), "Disabling color filter name: \"%s\" filter: \"%s\".\n%s" , colorf->filter_name, colorf->filter_text, df_err-> msg)
463 | colorf->filter_name, colorf->filter_text, df_err->msg)wmem_strdup_printf(((void*)0), "Disabling color filter name: \"%s\" filter: \"%s\".\n%s" , colorf->filter_name, colorf->filter_text, df_err-> msg);
464 | df_error_free(&df_err);
465 |
466 | /* Disable the color filter in the list of color filters. */
467 | colorf->disabled = true1;
468 | }
469 |
470 | /* XXX: What if the color filter tests "frame.coloring_rule.name" or
471 | * "frame.coloring_rule.string"?
472 | */
473 | }
474 |
475 | /* apply changes from the edit list */
476 | bool_Bool
477 | color_filters_apply(GSList *tmp_cfl, GSList *edit_cfl, char** err_msg)
478 | {
479 | bool_Bool ret = true1;
480 |
481 | *err_msg = NULL((void*)0);
482 |
483 | /* "move" old entries to the deleted list
484 | * we must keep them until the dissection no longer needs them */
485 | color_filter_deleted_list = g_slist_concat(color_filter_deleted_list, color_filter_list);
486 | color_filter_list = NULL((void*)0);
487 |
488 | /* clone all list entries from tmp/edit to normal list */
489 | color_filter_list_delete(&color_filter_valid_list);
490 | color_filter_valid_list = color_filter_list_clone(tmp_cfl);
491 | color_filter_valid_list = g_slist_concat(color_filter_valid_list,
492 | color_filter_list_clone(edit_cfl) );
493 |
494 | /* compile all filter */
495 | g_slist_foreach(color_filter_valid_list, color_filter_validate_cb, err_msg);
496 | if (*err_msg != NULL((void*)0)) {
497 | ret = false0;
498 | }
499 |
500 | /* clone all list entries from tmp/edit to normal list */
501 | color_filter_list = color_filter_list_clone(color_filter_valid_list);
502 |
503 | /* compile all filter */
504 | g_slist_foreach(color_filter_list, color_filter_compile_cb, err_msg);
505 | if (*err_msg != NULL((void*)0)) {
506 | ret = false0;
507 | }
508 |
509 | return ret;
510 | }
511 |
512 | bool_Bool
513 | color_filters_used(void)
514 | {
515 | return color_filter_list != NULL((void*)0) && filters_enabled;
516 | }
517 |
518 | bool_Bool
519 | tmp_color_filters_used(void)
520 | {
521 | return tmp_colors_set;
522 | }
523 |
524 | /* prepare the epan_dissect_t for the filter */
525 | static void
526 | prime_edt(void *data, void *user_data)
527 | {
528 | color_filter_t *colorf = (color_filter_t *)data;
529 | epan_dissect_t *edt = (epan_dissect_t *)user_data;
530 |
531 | if (colorf->c_colorfilter != NULL((void*)0))
532 | epan_dissect_prime_with_dfilter(edt, colorf->c_colorfilter);
533 | }
534 |
535 | /* Prime the epan_dissect_t with all the compiler
536 | * color filters in 'color_filter_list'. */
537 | void
538 | color_filters_prime_edt(epan_dissect_t *edt)
539 | {
540 | if (color_filters_used())
541 | g_slist_foreach(color_filter_list, prime_edt, edt);
542 | }
543 |
544 | static int
545 | find_hfid(const void *data, const void *user_data)
546 | {
547 | color_filter_t *colorf = (color_filter_t *)data;
548 | int hfid = GPOINTER_TO_INT(user_data)((gint) (glong) (user_data));
549 |
550 | if ((!colorf->disabled) && colorf->c_colorfilter != NULL((void*)0)) {
551 | if (dfilter_interested_in_field(colorf->c_colorfilter, hfid)) {
552 | return 0;
553 | }
554 | }
555 | return -1;
556 | }
557 |
558 | bool_Bool
559 | color_filters_use_hfid(int hfid)
560 | {
561 | GSList *item = NULL((void*)0);
562 | if (color_filters_used())
563 | item = g_slist_find_custom(color_filter_list, GINT_TO_POINTER(hfid)((gpointer) (glong) (hfid)), find_hfid);
564 | return (item != NULL((void*)0));
565 | }
566 |
567 | static int
568 | find_proto(const void *data, const void *user_data)
569 | {
570 | color_filter_t *colorf = (color_filter_t *)data;
571 | int proto_id = GPOINTER_TO_INT(user_data)((gint) (glong) (user_data));
572 |
573 | if ((!colorf->disabled) && colorf->c_colorfilter != NULL((void*)0)) {
574 | if (dfilter_interested_in_proto(colorf->c_colorfilter, proto_id)) {
575 | return 0;
576 | }
577 | }
578 | return -1;
579 | }
580 |
581 | bool_Bool
582 | color_filters_use_proto(int proto_id)
583 | {
584 | GSList *item = NULL((void*)0);
585 | if (color_filters_used())
586 | item = g_slist_find_custom(color_filter_list, GINT_TO_POINTER(proto_id)((gpointer) (glong) (proto_id)), find_proto);
587 | return (item != NULL((void*)0));
588 | }
589 |
590 | /* * Return the color_t for later use */
591 | const color_filter_t *
592 | color_filters_colorize_packet(epan_dissect_t *edt)
593 | {
594 | GSList *curr;
595 | color_filter_t *colorf;
596 |
597 | /* If we have color filters, "search" for the matching one. */
598 | if ((edt->tree != NULL((void*)0)) && (color_filters_used())) {
599 | curr = color_filter_list;
600 |
601 | while(curr != NULL((void*)0)) {
602 | colorf = (color_filter_t *)curr->data;
603 | if ( (!colorf->disabled) &&
604 | (colorf->c_colorfilter != NULL((void*)0)) &&
605 | dfilter_apply_edt(colorf->c_colorfilter, edt) &&
606 | !color_filter_is_session_disabled(colorf->filter_name)) {
607 | return colorf;
608 | }
609 | curr = g_slist_next(curr)((curr) ? (((GSList *)(curr))->next) : ((void*)0));
610 | }
611 | }
612 |
613 | return NULL((void*)0);
614 | }
615 |
616 | const color_filter_t *
617 | color_filters_colorize_packet_all(epan_dissect_t *edt,
618 | wmem_allocator_t *scope, wmem_list_t **matches)
619 | {
620 | const color_filter_t *first_match = NULL((void*)0);
621 |
622 | if (matches) {
623 | *matches = NULL((void*)0);
624 | }
625 |
626 | /* If we have color filters, collect ALL matching ones. */
627 | if ((edt->tree != NULL((void*)0)) && (color_filters_used())) {
628 | for (GSList *curr = color_filter_list; curr != NULL((void*)0); curr = g_slist_next(curr)((curr) ? (((GSList *)(curr))->next) : ((void*)0))) {
629 | color_filter_t *colorf = (color_filter_t *)curr->data;
630 | if ((!colorf->disabled) &&
631 | (colorf->c_colorfilter != NULL((void*)0)) &&
632 | dfilter_apply_edt(colorf->c_colorfilter, edt)) {
633 |
634 | bool_Bool is_session_disabled = color_filter_is_session_disabled(colorf->filter_name);
635 |
636 | /* Add to matches list even if paused (for Frame tree display) */
637 | if (matches) {
638 | if (*matches == NULL((void*)0)) {
639 | *matches = wmem_list_new(scope);
640 | }
641 | wmem_list_append(*matches, colorf);
642 | }
643 |
644 | /* Only use non-paused filters for first_match */
645 | if (!first_match && !is_session_disabled) {
646 | first_match = colorf; /* Backward compatibility */
647 | }
648 | }
649 | }
650 | }
651 |
652 | return first_match;
653 | }
654 |
655 | void
656 | color_filter_set_session_disabled(const char *filter_name, bool_Bool disabled)
657 | {
658 | if (!filter_name) return;
659 |
660 | if (!session_disabled_filters) {
661 | session_disabled_filters = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL((void*)0));
662 | }
663 |
664 | if (disabled) {
665 | g_hash_table_insert(session_disabled_filters, g_strdup(filter_name)g_strdup_inline (filter_name), GINT_TO_POINTER(1)((gpointer) (glong) (1)));
666 | } else {
667 | g_hash_table_remove(session_disabled_filters, filter_name);
668 | }
669 |
670 | /* Auto-save to profile directory after every change */
671 | color_filter_write_paused(NULL((void*)0)); /* NULL uses default env prefix */
672 | }
673 |
674 | bool_Bool
675 | color_filter_is_session_disabled(const char *filter_name)
676 | {
677 | if (!filter_name || !session_disabled_filters) {
678 | return false0;
679 | }
680 | return g_hash_table_contains(session_disabled_filters, filter_name);
681 | }
682 |
683 | void
684 | color_filter_clear_session_disabled(void)
685 | {
686 | if (session_disabled_filters) {
687 | g_hash_table_remove_all(session_disabled_filters);
688 | }
689 | /* Restore from profile directory after clearing (workaround for rescan) */
690 | color_filter_read_paused(NULL((void*)0));
691 | }
692 |
693 | #define PAUSED_FILTERS_FILE"paused_filters" "paused_filters"
694 |
695 | /* Get profile-specific paused filters file path */
696 | static char *
697 | get_paused_filters_path(const char *app_env_var_prefix)
698 | {
699 | /* Use profile-specific path (true = use profile directory) */
700 | return get_persconffile_path(PAUSED_FILTERS_FILE"paused_filters", true1, app_env_var_prefix);
701 | }
702 |
703 | /* Save paused filters to profile directory */
704 | void
705 | color_filter_write_paused(const char *app_env_var_prefix)
706 | {
707 | if (!session_disabled_filters) return;
708 |
709 | char *path = get_paused_filters_path(app_env_var_prefix);
710 | if (!path) return;
711 |
712 | FILE *f = ws_fopenfopen(path, "w");
713 | if (!f) {
714 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
715 | return;
716 | }
717 |
718 | /* Write each paused filter name, one per line */
719 | GHashTableIter iter;
720 | gpointer key, value;
721 | g_hash_table_iter_init(&iter, session_disabled_filters);
722 | while (g_hash_table_iter_next(&iter, &key, &value)) {
723 | fprintf(f, "%s\n", (const char*)key);
724 | }
725 |
726 | fclose(f);
727 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
728 | }
729 |
730 | /* Read paused filters from profile directory */
731 | void
732 | color_filter_read_paused(const char *app_env_var_prefix)
733 | {
734 | char *path = get_paused_filters_path(app_env_var_prefix);
735 | if (!path) return;
736 |
737 | FILE *f = ws_fopenfopen(path, "r");
738 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
739 |
740 | if (!f) return; /* File doesn't exist yet - that's OK */
741 |
742 | char line[1024];
743 | while (fgets(line, sizeof(line), f)) {
744 | /* Remove trailing newline/whitespace */
745 | line[strcspn(line, "\r\n")] = 0;
746 | g_strstrip(line)g_strchomp (g_strchug (line)); /* GLib function to trim whitespace */
747 |
748 | if (line[0] && line[0] != '#') { /* Skip empty lines and comments */
749 | /* Add to session_disabled_filters without triggering auto-save */
750 | if (!session_disabled_filters) {
751 | session_disabled_filters = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL((void*)0));
752 | }
753 | g_hash_table_insert(session_disabled_filters, g_strdup(line)g_strdup_inline (line), GINT_TO_POINTER(1)((gpointer) (glong) (1)));
754 | }
755 | }
756 |
757 | fclose(f);
758 | }
759 |
760 | /* Resume all paused filters (clears all and saves empty file) */
761 | void
762 | color_filter_resume_all(const char *app_env_var_prefix)
763 | {
764 | /* Clear the hash table */
765 | if (session_disabled_filters) {
766 | g_hash_table_remove_all(session_disabled_filters);
767 | }
768 |
769 | /* Write empty file to profile directory */
770 | char *path = get_paused_filters_path(app_env_var_prefix);
771 | if (!path) return;
772 |
773 | FILE *f = ws_fopenfopen(path, "w");
774 | if (f) {
775 | /* Write empty file (or just close it) */
776 | fclose(f);
777 | }
778 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
779 | }
780 |
781 | /* read filters from the given file */
782 | /* XXX - Would it make more sense to use GStrings here instead of reallocing
783 | our buffers? */
784 | static int
785 | read_filters_file(const char *path, FILE *f, void *user_data, color_filter_add_cb_func add_cb)
786 | {
787 | #define INIT_BUF_SIZE128 128
788 | char *name;
789 | char *filter_exp;
790 | uint32_t name_len = INIT_BUF_SIZE128;
791 | uint32_t filter_exp_len = INIT_BUF_SIZE128;
792 | uint32_t i = 0;
793 | int c;
794 | uint16_t fg_r, fg_g, fg_b, bg_r, bg_g, bg_b;
795 | bool_Bool disabled = false0;
796 | bool_Bool skip_end_of_line = false0;
797 | int ret = 0;
798 |
799 | name = (char *)g_malloc(name_len + 1);
800 | filter_exp = (char *)g_malloc(filter_exp_len + 1);
801 |
802 | while (1) {
3 | ← | Loop condition is true. Entering loop body | →
37 | ← | Loop condition is true. Entering loop body | →
803 |
804 | if (skip_end_of_line
3.1 | 'skip_end_of_line' is false
37.1 | 'skip_end_of_line' is true
) {
38 | ← | Taking true branch | →
805 | do {
41 | ← | Loop condition is false. Exiting loop | →
806 | c = ws_getc_unlockedgetc_unlocked(f);
807 | } while (c != EOF(-1) && c != '\n');
39 | ← | Assuming the condition is true | →
40 | ← | Assuming the condition is false | →
808 | if (c == EOF(-1))
42 | ← | Taking false branch | →
809 | break;
810 | disabled = false0;
811 | skip_end_of_line = false0;
812 | }
813 |
814 | while ((c = ws_getc_unlockedgetc_unlocked(f)) != EOF(-1) && g_ascii_isspace(c)((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0)) {
4 | ← | Assuming the condition is true | →
5 | ← | Loop condition is false. Execution continues on line 820 | →
43 | ← | Assuming the condition is true | →
44 | ← | Loop condition is false. Execution continues on line 820 | →
815 | if (c == '\n') {
816 | continue;
817 | }
818 | }
819 |
820 | if (c == EOF(-1))
6 | ← | Taking false branch | →
45 | ← | Taking false branch | →
821 | break;
822 |
823 | if (c == '!') {
7 | ← | Assuming the condition is false | →
8 | ← | Taking false branch | →
46 | ← | Assuming the condition is false | →
47 | ← | Taking false branch | →
824 | disabled = true1;
825 | continue;
826 | }
827 |
828 | /* skip # comments and invalid lines */
829 | if (c != '@') {
9 | ← | Assuming the condition is false | →
10 | ← | Taking false branch | →
48 | ← | Assuming the condition is false | →
49 | ← | Taking false branch | →
830 | skip_end_of_line = true1;
831 | continue;
832 | }
833 |
834 | /* we get the @ delimiter.
835 | * Format is:
836 | * @name@filter expression@[background r,g,b][foreground r,g,b]
837 | */
838 |
839 | /* retrieve name */
840 | i = 0;
841 | while (1) {
11 | ← | Loop condition is true. Entering loop body | →
16 | ← | Loop condition is true. Entering loop body | →
50 | ← | Loop condition is true. Entering loop body | →
55 | ← | Loop condition is true. Entering loop body | →
842 | c = ws_getc_unlockedgetc_unlocked(f);
843 | if (c == EOF(-1) || c == '@')
12 | ← | Assuming the condition is false | →
13 | ← | Assuming the condition is false | →
14 | ← | Taking false branch | →
17 | ← | Assuming the condition is false | →
18 | ← | Assuming the condition is true | →
19 | ← | Taking true branch | →
51 | ← | Assuming the condition is false | →
52 | ← | Assuming the condition is false | →
53 | ← | Taking false branch | →
56 | ← | Assuming the condition is false | →
57 | ← | Assuming the condition is true | →
58 | ← | Taking true branch | →
844 | break;
20 | ← | Execution continues on line 852 | →
59 | ← | Execution continues on line 852 | →
845 | if (i
14.1 | 'i' is < 'name_len'
53.1 | 'i' is < 'name_len'
>= name_len) {
15 | ← | Taking false branch | →
54 | ← | Taking false branch | →
846 | /* buffer isn't long enough; double its length.*/
847 | name_len *= 2;
848 | name = (char *)g_realloc(name, name_len + 1);
849 | }
850 | name[i++] = c;
851 | }
852 | name[i] = '\0';
853 |
854 | if (c == EOF(-1)) {
21 | ← | Taking false branch | →
60 | ← | Taking false branch | →
855 | break;
856 | } else if (i
21.1 | 'i' is not equal to 0
60.1 | 'i' is not equal to 0
== 0) {
22 | ← | Taking false branch | →
61 | ← | Taking false branch | →
857 | skip_end_of_line = true1;
858 | continue;
859 | }
860 |
861 | /* retrieve filter expression */
862 | i = 0;
863 | while (1) {
23 | ← | Loop condition is true. Entering loop body | →
28 | ← | Loop condition is true. Entering loop body | →
62 | ← | Loop condition is true. Entering loop body | →
67 | ← | Loop condition is true. Entering loop body | →
864 | c = ws_getc_unlockedgetc_unlocked(f);
865 | if (c == EOF(-1) || c == '@')
24 | ← | Assuming the condition is false | →
25 | ← | Assuming the condition is false | →
26 | ← | Taking false branch | →
29 | ← | Assuming the condition is false | →
30 | ← | Assuming the condition is true | →
31 | ← | Taking true branch | →
63 | ← | Assuming the condition is false | →
64 | ← | Assuming the condition is false | →
65 | ← | Taking false branch | →
68 | ← | Assuming the condition is false | →
69 | ← | Assuming the condition is true | →
70 | ← | Taking true branch | →
866 | break;
32 | ← | Execution continues on line 874 | →
71 | ← | Execution continues on line 874 | →
867 | if (i
26.1 | 'i' is < 'filter_exp_len'
65.1 | 'i' is < 'filter_exp_len'
>= filter_exp_len) {
27 | ← | Taking false branch | →
66 | ← | Taking false branch | →
868 | /* buffer isn't long enough; double its length.*/
869 | filter_exp_len *= 2;
870 | filter_exp = (char *)g_realloc(filter_exp, filter_exp_len + 1);
871 | }
872 | filter_exp[i++] = c;
873 | }
874 | filter_exp[i] = '\0';
875 |
876 | if (c == EOF(-1)) {
33 | ← | Taking false branch | →
72 | ← | Taking false branch | →
877 | break;
878 | } else if (i
33.1 | 'i' is not equal to 0
72.1 | 'i' is not equal to 0
== 0) {
34 | ← | Taking false branch | →
73 | ← | Taking false branch | →
879 | skip_end_of_line = true1;
880 | continue;
881 | }
882 |
883 | /* retrieve background and foreground colors */
884 | if (fscanf(f,"[%hu,%hu,%hu][%hu,%hu,%hu]",
35 | ← | Assuming this stream operation fails | →
36 | ← | Taking false branch | →
74 | ← | File position of the stream might be 'indeterminate' after a failed operation. Can cause undefined behavior
885 | &bg_r, &bg_g, &bg_b, &fg_r, &fg_g, &fg_b) == 6) {
886 |
887 | /* we got a complete color filter */
888 |
889 | color_t bg_color, fg_color;
890 | color_filter_t *colorf;
891 | dfilter_t *temp_dfilter = NULL((void*)0);
892 | df_error_t *df_err = NULL((void*)0);
893 |
894 | if (!disabled && !dfilter_compile(filter_exp, &temp_dfilter, &df_err)dfilter_compile_full(filter_exp, &temp_dfilter, &df_err , (1U << 1)|(1U << 2), __func__)) {
895 | report_warning("Disabling color filter: Could not compile \"%s\" in colorfilters file \"%s\".\n%s", name, path, df_err->msg);
896 | df_error_free(&df_err);
897 |
898 | /* skip_end_of_line = true; */
899 | disabled = true1;
900 | }
901 |
902 | fg_color.red = fg_r;
903 | fg_color.green = fg_g;
904 | fg_color.blue = fg_b;
905 |
906 | bg_color.red = bg_r;
907 | bg_color.green = bg_g;
908 | bg_color.blue = bg_b;
909 |
910 | colorf = color_filter_new(name, filter_exp, &bg_color,
911 | &fg_color, disabled);
912 | if(user_data == &color_filter_list) {
913 | GSList **cfl = (GSList **)user_data;
914 |
915 | /* internal call */
916 | colorf->c_colorfilter = temp_dfilter;
917 | *cfl = g_slist_append(*cfl, colorf);
918 | } else {
919 | /* external call */
920 | /* just editing, don't need the compiled filter */
921 | dfilter_free(temp_dfilter);
922 | add_cb(colorf, user_data);
923 | }
924 | } /* if sscanf */
925 |
926 | skip_end_of_line = true1;
927 | }
928 |
929 | if (ferror(f))
930 | ret = errno(*__errno_location ());
931 |
932 | g_free(name)(__builtin_object_size ((name), 0) != ((size_t) - 1)) ? g_free_sized (name, __builtin_object_size ((name), 0)) : (g_free) (name);
933 | g_free(filter_exp)(__builtin_object_size ((filter_exp), 0) != ((size_t) - 1)) ? g_free_sized (filter_exp, __builtin_object_size ((filter_exp ), 0)) : (g_free) (filter_exp);
934 | return ret;
935 | }
936 |
937 | /* read filters from the filter file */
938 | bool_Bool
939 | color_filters_read_globals(void *user_data, char** err_msg, color_filter_add_cb_func add_cb, const char* app_env_var_prefix)
940 | {
941 | char *path;
942 | FILE *f;
943 | int ret;
944 |
945 | /*
946 | * Try to get the global filters.
947 | *
948 | * Get the path for the file that would have the global filters, and
949 | * try to open it.
950 | */
951 | path = get_datafile_path(COLORFILTERS_FILE_NAME"colorfilters", app_env_var_prefix);
952 | if ((f = ws_fopenfopen(path, "r")) == NULL((void*)0)) {
953 | if (errno(*__errno_location ()) != ENOENT2) {
954 | /* Error trying to open the file; give up. */
955 | *err_msg = ws_strdup_printf("Could not open global filter file\n\"%s\": %s.", path,wmem_strdup_printf(((void*)0), "Could not open global filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())))
956 | g_strerror(errno))wmem_strdup_printf(((void*)0), "Could not open global filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())));
957 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
958 | return false0;
959 | }
960 |
961 | /*
962 | * There is no global filter file; treat that as equivalent to
963 | * that file existing bug being empty, and say we succeeded.
964 | */
965 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
966 | return true1;
967 | }
968 |
969 | ret = read_filters_file(path, f, user_data, add_cb);
970 | if (ret != 0) {
971 | *err_msg = ws_strdup_printf("Error reading global filter file\n\"%s\": %s.",wmem_strdup_printf(((void*)0), "Error reading global filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())))
972 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Error reading global filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())));
973 | fclose(f);
974 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
975 | return false0;
976 | }
977 |
978 | fclose(f);
979 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
980 | return true1;
981 | }
982 |
983 | /* read filters from some other filter file (import) */
984 | bool_Bool
985 | color_filters_import(const char *path, void *user_data, char **err_msg, color_filter_add_cb_func add_cb)
986 | {
987 | FILE *f;
988 | int ret;
989 |
990 | if ((f = ws_fopenfopen(path, "r")) == NULL((void*)0)) {
1 | Taking false branch | →
991 | *err_msg = ws_strdup_printf("Could not open filter file\n%s\nfor reading: %s.",wmem_strdup_printf(((void*)0), "Could not open filter file\n%s\nfor reading: %s." , path, g_strerror((*__errno_location ())))
992 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Could not open filter file\n%s\nfor reading: %s." , path, g_strerror((*__errno_location ())));
993 | return false0;
994 | }
995 |
996 | ret = read_filters_file(path, f, user_data, add_cb);
2 | ← | Calling 'read_filters_file' | →
997 | if (ret != 0) {
998 | *err_msg = ws_strdup_printf("Error reading filter file\n\"%s\": %s.",wmem_strdup_printf(((void*)0), "Error reading filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())))
999 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Error reading filter file\n\"%s\": %s." , path, g_strerror((*__errno_location ())));
1000 | fclose(f);
1001 | return false0;
1002 | }
1003 |
1004 | fclose(f);
1005 | return true1;
1006 | }
1007 |
1008 | struct write_filter_data
1009 | {
1010 | FILE *f;
1011 | bool_Bool only_selected;
1012 | };
1013 |
1014 | /* save a single filter */
1015 | static void
1016 | write_filter(void *filter_arg, void *data_arg)
1017 | {
1018 | struct write_filter_data *data = (struct write_filter_data *)data_arg;
1019 | color_filter_t *colorf = (color_filter_t *)filter_arg;
1020 | FILE *f = data->f;
1021 |
1022 | if ( (!data->only_selected) &&
1023 | (strstr(colorf->filter_name,CONVERSATION_COLOR_PREFIX"___conversation_color_filter___")==NULL((void*)0)) ) {
1024 | fprintf(f,"%s@%s@%s@[%u,%u,%u][%u,%u,%u]\n",
1025 | colorf->disabled ? "!" : "",
1026 | colorf->filter_name,
1027 | colorf->filter_text,
1028 | colorf->bg_color.red,
1029 | colorf->bg_color.green,
1030 | colorf->bg_color.blue,
1031 | colorf->fg_color.red,
1032 | colorf->fg_color.green,
1033 | colorf->fg_color.blue);
1034 | }
1035 | }
1036 |
1037 | /* save filters in a filter file */
1038 | static bool_Bool
1039 | write_filters_file(GSList *cfl, FILE *f, bool_Bool only_selected, const char* app_name)
1040 | {
1041 | struct write_filter_data data;
1042 |
1043 | data.f = f;
1044 | data.only_selected = only_selected;
1045 |
1046 | fprintf(f,"# This file was created by %s. Edit with care.\n", app_name);
1047 | g_slist_foreach(cfl, write_filter, &data);
1048 | return true1;
1049 | }
1050 |
1051 | /* save filters in users filter file */
1052 | bool_Bool
1053 | color_filters_write(GSList *cfl, const char* app_name, const char* app_env_var_prefix, char** err_msg)
1054 | {
1055 | char *pf_dir_path;
1056 | char *path;
1057 | FILE *f;
1058 |
1059 | /* Create the directory that holds personal configuration files,
1060 | if necessary. */
1061 | if (create_persconffile_dir(app_env_var_prefix, &pf_dir_path) == -1) {
1062 | *err_msg = ws_strdup_printf("Can't create directory\n\"%s\"\nfor color files: %s.",wmem_strdup_printf(((void*)0), "Can't create directory\n\"%s\"\nfor color files: %s." , pf_dir_path, g_strerror((*__errno_location ())))
1063 | pf_dir_path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Can't create directory\n\"%s\"\nfor color files: %s." , pf_dir_path, g_strerror((*__errno_location ())));
1064 | g_free(pf_dir_path)(__builtin_object_size ((pf_dir_path), 0) != ((size_t) - 1)) ? g_free_sized (pf_dir_path, __builtin_object_size ((pf_dir_path ), 0)) : (g_free) (pf_dir_path);
1065 | return false0;
1066 | }
1067 |
1068 | path = get_persconffile_path(COLORFILTERS_FILE_NAME"colorfilters", true1, app_env_var_prefix);
1069 | if ((f = ws_fopenfopen(path, "w+")) == NULL((void*)0)) {
1070 | *err_msg = ws_strdup_printf("Could not open\n%s\nfor writing: %s.",wmem_strdup_printf(((void*)0), "Could not open\n%s\nfor writing: %s." , path, g_strerror((*__errno_location ())))
1071 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Could not open\n%s\nfor writing: %s." , path, g_strerror((*__errno_location ())));
1072 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
1073 | return false0;
1074 | }
1075 | g_free(path)(__builtin_object_size ((path), 0) != ((size_t) - 1)) ? g_free_sized (path, __builtin_object_size ((path), 0)) : (g_free) (path);
1076 | write_filters_file(cfl, f, false0, app_name);
1077 | fclose(f);
1078 | return true1;
1079 | }
1080 |
1081 | /* save filters in some other filter file (export) */
1082 | bool_Bool
1083 | color_filters_export(const char *path, GSList *cfl, bool_Bool only_marked, const char* app_name, char** err_msg)
1084 | {
1085 | FILE *f;
1086 |
1087 | if ((f = ws_fopenfopen(path, "w+")) == NULL((void*)0)) {
1088 | *err_msg = ws_strdup_printf("Could not open\n%s\nfor writing: %s.",wmem_strdup_printf(((void*)0), "Could not open\n%s\nfor writing: %s." , path, g_strerror((*__errno_location ())))
1089 | path, g_strerror(errno))wmem_strdup_printf(((void*)0), "Could not open\n%s\nfor writing: %s." , path, g_strerror((*__errno_location ())));
1090 | return false0;
1091 | }
1092 | write_filters_file(cfl, f, only_marked, app_name);
1093 | fclose(f);
1094 | return true1;
1095 | }
1096 |
1097 | /*
1098 | * Editor modelines - https://www.wireshark.org/tools/modelines.html
1099 | *
1100 | * Local variables:
1101 | * c-basic-offset: 4
1102 | * tab-width: 8
1103 | * indent-tabs-mode: nil
1104 | * End:
1105 | *
1106 | * vi: set shiftwidth=4 tabstop=8 expandtab:
1107 | * :indentSize=4:tabSize=8:noTabs=true:
1108 | */