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Diffstat (limited to 'epan/prefs.c')
-rw-r--r-- | epan/prefs.c | 2517 |
1 files changed, 2517 insertions, 0 deletions
diff --git a/epan/prefs.c b/epan/prefs.c new file mode 100644 index 0000000000..67832e172e --- /dev/null +++ b/epan/prefs.c @@ -0,0 +1,2517 @@ +/* prefs.c + * Routines for handling preferences + * + * $Id$ + * + * Ethereal - Network traffic analyzer + * By Gerald Combs <gerald@ethereal.com> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include <glib.h> + +#include <epan/filesystem.h> +#include <epan/addr_resolv.h> +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/proto.h> +#include "column.h" +#include "print.h" + +#include "prefs-int.h" + +/* Internal functions */ +static module_t *find_module(const char *name); +static module_t *prefs_register_module_or_subtree(module_t *parent, + const char *name, const char *title, gboolean is_subtree, + void (*apply_cb)(void)); +static struct preference *find_preference(module_t *, const char *); +static int set_pref(gchar*, gchar*); +static GList *get_string_list(gchar *); +static gchar *put_string_list(GList *); +static void clear_string_list(GList *); +static void free_col_info(e_prefs *); + +#define GPF_NAME "ethereal.conf" +#define PF_NAME "preferences" + +static gboolean init_prefs = TRUE; +static gchar *gpf_path = NULL; + +/* + * XXX - variables to allow us to attempt to interpret the first + * "mgcp.{tcp,udp}.port" in a preferences file as + * "mgcp.{tcp,udp}.gateway_port" and the second as + * "mgcp.{tcp,udp}.callagent_port". + */ +static int mgcp_tcp_port_count; +static int mgcp_udp_port_count; + +e_prefs prefs; + +static gchar *gui_ptree_line_style_text[] = + { "NONE", "SOLID", "DOTTED", "TABBED", NULL }; + +static gchar *gui_ptree_expander_style_text[] = + { "NONE", "SQUARE", "TRIANGLE", "CIRCULAR", NULL }; + +static gchar *gui_hex_dump_highlight_style_text[] = + { "BOLD", "INVERSE", NULL }; + +static gchar *gui_console_open_text[] = + { "NEVER", "AUTOMATIC", "ALWAYS", NULL }; + +static gchar *gui_fileopen_style_text[] = + { "LAST_OPENED", "SPECIFIED", NULL }; + +/* GTK knows of two ways representing "both", vertical and horizontal aligned. + * as this may not work on other guis, we use only "both" in general here */ +static gchar *gui_toolbar_style_text[] = + { "ICONS", "TEXT", "BOTH", NULL }; + +static gchar *gui_layout_content_text[] = + { "NONE", "PLIST", "PDETAILS", "PBYTES", NULL }; + +/* + * List of all modules with preference settings. + */ +static GList *modules; + +/* + * List of all modules that should show up at the top level of the + * tree in the preference dialog box. + */ +static GList *top_level_modules; + +static gint +module_compare_name(gconstpointer p1_arg, gconstpointer p2_arg) +{ + const module_t *p1 = p1_arg; + const module_t *p2 = p2_arg; + + return g_strcasecmp(p1->name, p2->name); +} + +static gint +module_compare_title(gconstpointer p1_arg, gconstpointer p2_arg) +{ + const module_t *p1 = p1_arg; + const module_t *p2 = p2_arg; + + return g_strcasecmp(p1->title, p2->title); +} + +/* + * Register a module that will have preferences. + * Specify the module under which to register it or NULL to register it + * at the top level, the name used for the module in the preferences file, + * the title used in the tab for it in a preferences dialog box, and a + * routine to call back when we apply the preferences. + */ +module_t * +prefs_register_module(module_t *parent, const char *name, const char *title, + void (*apply_cb)(void)) +{ + return prefs_register_module_or_subtree(parent, name, title, FALSE, + apply_cb); +} + +/* + * Register a subtree that will have modules under it. + * Specify the module under which to register it or NULL to register it + * at the top level and the title used in the tab for it in a preferences + * dialog box. + */ +module_t * +prefs_register_subtree(module_t *parent, const char *title) +{ + return prefs_register_module_or_subtree(parent, NULL, title, TRUE, + NULL); +} + +static module_t * +prefs_register_module_or_subtree(module_t *parent, const char *name, + const char *title, gboolean is_subtree, void (*apply_cb)(void)) +{ + module_t *module; + const guchar *p; + + module = g_malloc(sizeof (module_t)); + module->name = name; + module->title = title; + module->is_subtree = is_subtree; + module->apply_cb = apply_cb; + module->prefs = NULL; /* no preferences, to start */ + module->numprefs = 0; + module->prefs_changed = FALSE; + module->obsolete = FALSE; + + /* + * Do we have a module name? + */ + if (name != NULL) { + /* + * Yes. + * Make sure that only lower-case ASCII letters, numbers, + * underscores, hyphens, and dots appear in the name. + * + * Crash if there is, as that's an error in the code; + * you can make the title a nice string with capitalization, + * white space, punctuation, etc., but the name can be used + * on the command line, and shouldn't require quoting, + * shifting, etc. + */ + for (p = name; *p != '\0'; p++) + g_assert(isascii(*p) && + (islower(*p) || isdigit(*p) || *p == '_' || + *p == '-' || *p == '.')); + + /* + * Make sure there's not already a module with that + * name. Crash if there is, as that's an error in the + * code, and the code has to be fixed not to register + * more than one module with the same name. + * + * We search the list of all modules; the subtree stuff + * doesn't require preferences in subtrees to have names + * that reflect the subtree they're in (that would require + * protocol preferences to have a bogus "protocol.", or + * something such as that, to be added to all their names). + */ + g_assert(find_module(name) == NULL); + + /* + * Insert this module in the list of all modules. + */ + modules = g_list_insert_sorted(modules, module, + module_compare_name); + } else { + /* + * This has no name, just a title; check to make sure it's a + * subtree, and crash if it's not. + */ + g_assert(is_subtree); + } + + /* + * Insert this module into the appropriate place in the display + * tree. + */ + if (parent == NULL) { + /* + * It goes at the top. + */ + top_level_modules = g_list_insert_sorted(top_level_modules, + module, module_compare_title); + } else { + /* + * It goes into the list for this module. + */ + parent->prefs = g_list_insert_sorted(parent->prefs, module, + module_compare_title); + } + + return module; +} + +/* + * Register that a protocol has preferences. + */ +module_t *protocols_module; + +module_t * +prefs_register_protocol(int id, void (*apply_cb)(void)) +{ + protocol_t *protocol; + + /* + * Have we yet created the "Protocols" subtree? + */ + if (protocols_module == NULL) { + /* + * No. Do so. + */ + protocols_module = prefs_register_subtree(NULL, "Protocols"); + } + protocol = find_protocol_by_id(id); + return prefs_register_module(protocols_module, + proto_get_protocol_filter_name(id), + proto_get_protocol_short_name(protocol), apply_cb); +} + +/* + * Register that a protocol used to have preferences but no longer does, + * by creating an "obsolete" module for it. + */ +module_t * +prefs_register_protocol_obsolete(int id) +{ + module_t *module; + protocol_t *protocol; + + /* + * Have we yet created the "Protocols" subtree? + */ + if (protocols_module == NULL) { + /* + * No. Do so. + */ + protocols_module = prefs_register_subtree(NULL, "Protocols"); + } + protocol = find_protocol_by_id(id); + module = prefs_register_module(protocols_module, + proto_get_protocol_filter_name(id), + proto_get_protocol_short_name(protocol), NULL); + module->obsolete = TRUE; + return module; +} + +/* + * Find a module, given its name. + */ +static gint +module_match(gconstpointer a, gconstpointer b) +{ + const module_t *module = a; + const char *name = b; + + return strcmp(name, module->name); +} + +static module_t * +find_module(const char *name) +{ + GList *list_entry; + + list_entry = g_list_find_custom(modules, (gpointer)name, module_match); + if (list_entry == NULL) + return NULL; /* no such module */ + return (module_t *) list_entry->data; +} + +typedef struct { + module_cb callback; + gpointer user_data; +} module_cb_arg_t; + +static void +do_module_callback(gpointer data, gpointer user_data) +{ + module_t *module = data; + module_cb_arg_t *arg = user_data; + + if (!module->obsolete) + (*arg->callback)(module, arg->user_data); +} + +/* + * Call a callback function, with a specified argument, for each module + * in a list of modules. If the list is NULL, searches the top-level + * list in the display tree of modules. + * + * Ignores "obsolete" modules; their sole purpose is to allow old + * preferences for dissectors that no longer have preferences to be + * silently ignored in preference files. Does not ignore subtrees, + * as this can be used when walking the display tree of modules. + */ +void +prefs_module_list_foreach(GList *module_list, module_cb callback, + gpointer user_data) +{ + module_cb_arg_t arg; + + if (module_list == NULL) + module_list = top_level_modules; + + arg.callback = callback; + arg.user_data = user_data; + g_list_foreach(module_list, do_module_callback, &arg); +} + +/* + * Call a callback function, with a specified argument, for each module + * in the list of all modules. (This list does not include subtrees.) + * + * Ignores "obsolete" modules; their sole purpose is to allow old + * preferences for dissectors that no longer have preferences to be + * silently ignored in preference files. + */ +void +prefs_modules_foreach(module_cb callback, gpointer user_data) +{ + prefs_module_list_foreach(modules, callback, user_data); +} + +static void +call_apply_cb(gpointer data, gpointer user_data _U_) +{ + module_t *module = data; + + if (module->obsolete) + return; + if (module->prefs_changed) { + if (module->apply_cb != NULL) + (*module->apply_cb)(); + module->prefs_changed = FALSE; + } +} + +/* + * Call the "apply" callback function for each module if any of its + * preferences have changed, and then clear the flag saying its + * preferences have changed, as the module has been notified of that + * fact. + */ +void +prefs_apply_all(void) +{ + g_list_foreach(modules, call_apply_cb, NULL); +} + +/* + * Register a preference in a module's list of preferences. + * If it has a title, give it an ordinal number; otherwise, it's a + * preference that won't show up in the UI, so it shouldn't get an + * ordinal number (the ordinal should be the ordinal in the set of + * *visible* preferences). + */ +static pref_t * +register_preference(module_t *module, const char *name, const char *title, + const char *description, pref_type_t type) +{ + pref_t *preference; + const guchar *p; + + preference = g_malloc(sizeof (pref_t)); + preference->name = name; + preference->title = title; + preference->description = description; + preference->type = type; + if (title != NULL) + preference->ordinal = module->numprefs; + else + preference->ordinal = -1; /* no ordinal for you */ + + /* + * Make sure that only lower-case ASCII letters, numbers, + * underscores, and dots appear in the preference name. + * + * Crash if there is, as that's an error in the code; + * you can make the title and description nice strings + * with capitalization, white space, punctuation, etc., + * but the name can be used on the command line, + * and shouldn't require quoting, shifting, etc. + */ + for (p = name; *p != '\0'; p++) + g_assert(isascii(*p) && + (islower(*p) || isdigit(*p) || *p == '_' || *p == '.')); + + /* + * Make sure there's not already a preference with that + * name. Crash if there is, as that's an error in the + * code, and the code has to be fixed not to register + * more than one preference with the same name. + */ + g_assert(find_preference(module, name) == NULL); + + if (type != PREF_OBSOLETE) { + /* + * Make sure the preference name doesn't begin with the + * module name, as that's redundant and Just Silly. + */ + g_assert((strncmp(name, module->name, strlen(module->name)) != 0) || + (((name[strlen(module->name)]) != '.') && ((name[strlen(module->name)]) != '_'))); + } + + /* + * There isn't already one with that name, so add the + * preference. + */ + module->prefs = g_list_append(module->prefs, preference); + if (title != NULL) + module->numprefs++; + + return preference; +} + +/* + * Find a preference in a module's list of preferences, given the module + * and the preference's name. + */ +static gint +preference_match(gconstpointer a, gconstpointer b) +{ + const pref_t *pref = a; + const char *name = b; + + return strcmp(name, pref->name); +} + +static struct preference * +find_preference(module_t *module, const char *name) +{ + GList *list_entry; + + list_entry = g_list_find_custom(module->prefs, (gpointer)name, + preference_match); + if (list_entry == NULL) + return NULL; /* no such preference */ + return (struct preference *) list_entry->data; +} + +/* + * Returns TRUE if the given protocol has registered preferences + */ +gboolean +prefs_is_registered_protocol(char *name) +{ + module_t *m = find_module(name); + + return (m != NULL && !m->obsolete); +} + +/* + * Returns the module title of a registered protocol + */ +const char * +prefs_get_title_by_name(char *name) +{ + module_t *m = find_module(name); + + return (m != NULL && !m->obsolete) ? m->title : NULL; +} + +/* + * Register a preference with an unsigned integral value. + */ +void +prefs_register_uint_preference(module_t *module, const char *name, + const char *title, const char *description, guint base, guint *var) +{ + pref_t *preference; + + preference = register_preference(module, name, title, description, + PREF_UINT); + preference->varp.uint = var; + preference->info.base = base; +} + +/* + * Register a preference with an Boolean value. + */ +void +prefs_register_bool_preference(module_t *module, const char *name, + const char *title, const char *description, gboolean *var) +{ + pref_t *preference; + + preference = register_preference(module, name, title, description, + PREF_BOOL); + preference->varp.boolp = var; +} + +/* + * Register a preference with an enumerated value. + */ +void +prefs_register_enum_preference(module_t *module, const char *name, + const char *title, const char *description, gint *var, + const enum_val_t *enumvals, gboolean radio_buttons) +{ + pref_t *preference; + + preference = register_preference(module, name, title, description, + PREF_ENUM); + preference->varp.enump = var; + preference->info.enum_info.enumvals = enumvals; + preference->info.enum_info.radio_buttons = radio_buttons; +} + +/* + * Register a preference with a character-string value. + */ +void +prefs_register_string_preference(module_t *module, const char *name, + const char *title, const char *description, char **var) +{ + pref_t *preference; + + preference = register_preference(module, name, title, description, + PREF_STRING); + + /* + * String preference values should be non-null (as you can't + * keep them null after using the preferences GUI, you can at best + * have them be null strings) and freeable (as we free them + * if we change them. + * + * If the value is a null pointer, make it a copy of a null + * string, otherwise make it a copy of the value. + */ + if (*var == NULL) + *var = g_strdup(""); + else + *var = g_strdup(*var); + preference->varp.string = var; + preference->saved_val.string = NULL; +} + +/* + * Register a preference that used to be supported but no longer is. + */ +void +prefs_register_obsolete_preference(module_t *module, const char *name) +{ + register_preference(module, name, NULL, NULL, PREF_OBSOLETE); +} + +/* + * Call a callback function, with a specified argument, for each preference + * in a given module. + * + * If any of the callbacks return a non-zero value, stop and return that + * value, otherwise return 0. + */ +guint +prefs_pref_foreach(module_t *module, pref_cb callback, gpointer user_data) +{ + GList *elem; + pref_t *pref; + guint ret; + + for (elem = g_list_first(module->prefs); elem != NULL; + elem = g_list_next(elem)) { + pref = elem->data; + if (pref->type == PREF_OBSOLETE) { + /* + * This preference is no longer supported; it's + * not a real preference, so we don't call the + * callback for it (i.e., we treat it as if it + * weren't found in the list of preferences, + * and we weren't called in the first place). + */ + continue; + } + + ret = (*callback)(pref, user_data); + if (ret != 0) + return ret; + } + return 0; +} + +/* + * Register all non-dissector modules' preferences. + */ +void +prefs_register_modules(void) +{ +} + +/* Parse through a list of comma-separated, possibly quoted strings. + Return a list of the string data. */ +static GList * +get_string_list(gchar *str) +{ + enum { PRE_STRING, IN_QUOT, NOT_IN_QUOT }; + + gint state = PRE_STRING, i = 0, j = 0; + gboolean backslash = FALSE; + guchar cur_c; + gchar *slstr = NULL; + GList *sl = NULL; + + /* Allocate a buffer for the first string. */ + slstr = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN); + j = 0; + + for (;;) { + cur_c = str[i]; + if (cur_c == '\0') { + /* It's the end of the input, so it's the end of the string we + were working on, and there's no more input. */ + if (state == IN_QUOT || backslash) { + /* We were in the middle of a quoted string or backslash escape, + and ran out of characters; that's an error. */ + g_free(slstr); + clear_string_list(sl); + return NULL; + } + slstr[j] = '\0'; + sl = g_list_append(sl, slstr); + break; + } + if (cur_c == '"' && ! backslash) { + switch (state) { + case PRE_STRING: + /* We hadn't yet started processing a string; this starts the + string, and we're now quoting. */ + state = IN_QUOT; + break; + case IN_QUOT: + /* We're in the middle of a quoted string, and we saw a quotation + mark; we're no longer quoting. */ + state = NOT_IN_QUOT; + break; + case NOT_IN_QUOT: + /* We're working on a string, but haven't seen a quote; we're + now quoting. */ + state = IN_QUOT; + break; + default: + break; + } + } else if (cur_c == '\\' && ! backslash) { + /* We saw a backslash, and the previous character wasn't a + backslash; escape the next character. + + This also means we've started a new string. */ + backslash = TRUE; + if (state == PRE_STRING) + state = NOT_IN_QUOT; + } else if (cur_c == ',' && state != IN_QUOT && ! backslash) { + /* We saw a comma, and we're not in the middle of a quoted string + and it wasn't preceded by a backslash; it's the end of + the string we were working on... */ + slstr[j] = '\0'; + sl = g_list_append(sl, slstr); + + /* ...and the beginning of a new string. */ + state = PRE_STRING; + slstr = (gchar *) g_malloc(sizeof(gchar) * COL_MAX_LEN); + j = 0; + } else if (!isspace(cur_c) || state != PRE_STRING) { + /* Either this isn't a white-space character, or we've started a + string (i.e., already seen a non-white-space character for that + string and put it into the string). + + The character is to be put into the string; do so if there's + room. */ + if (j < COL_MAX_LEN) { + slstr[j] = cur_c; + j++; + } + + /* If it was backslash-escaped, we're done with the backslash escape. */ + backslash = FALSE; + } + i++; + } + return(sl); +} + +#define MAX_FMT_PREF_LEN 1024 +#define MAX_FMT_PREF_LINE_LEN 60 +static gchar * +put_string_list(GList *sl) +{ + static gchar pref_str[MAX_FMT_PREF_LEN] = ""; + GList *clp = g_list_first(sl); + gchar *str; + int cur_pos = 0, cur_len = 0; + gchar *quoted_str; + int str_len; + gchar *strp, *quoted_strp, c; + int fmt_len; + + while (clp) { + str = clp->data; + + /* Allocate a buffer big enough to hold the entire string, with each + character quoted (that's the worst case). */ + str_len = strlen(str); + quoted_str = g_malloc(str_len*2 + 1); + + /* Now quote any " or \ characters in it. */ + strp = str; + quoted_strp = quoted_str; + while ((c = *strp++) != '\0') { + if (c == '"' || c == '\\') { + /* It has to be backslash-quoted. */ + *quoted_strp++ = '\\'; + } + *quoted_strp++ = c; + } + *quoted_strp = '\0'; + + fmt_len = strlen(quoted_str) + 4; + if ((fmt_len + cur_len) < (MAX_FMT_PREF_LEN - 1)) { + if ((fmt_len + cur_pos) > MAX_FMT_PREF_LINE_LEN) { + /* Wrap the line. */ + cur_len--; + cur_pos = 0; + pref_str[cur_len] = '\n'; cur_len++; + pref_str[cur_len] = '\t'; cur_len++; + } + sprintf(&pref_str[cur_len], "\"%s\", ", quoted_str); + cur_pos += fmt_len; + cur_len += fmt_len; + } + g_free(quoted_str); + clp = clp->next; + } + + /* If the string is at least two characters long, the last two characters + are ", ", and should be discarded, as there are no more items in the + string. */ + if (cur_len >= 2) + pref_str[cur_len - 2] = '\0'; + + return(pref_str); +} + +static void +clear_string_list(GList *sl) +{ + GList *l = sl; + + while (l) { + g_free(l->data); + l = g_list_remove_link(l, l); + } +} + +/* + * Takes a string, a pointer to an array of "enum_val_t"s, and a default gint + * value. + * The array must be terminated by an entry with a null "name" string. + * + * If the string matches a "name" string in an entry, the value from that + * entry is returned. + * + * Otherwise, if a string matches a "desctiption" string in an entry, the + * value from that entry is returned; we do that for backwards compatibility, + * as we used to have only a "name" string that was used both for command-line + * and configuration-file values and in the GUI (which meant either that + * the GUI had what might be somewhat cryptic values to select from or that + * the "-o" flag took long strings, often with spaces in them). + * + * Otherwise, the default value that was passed as the third argument is + * returned. + */ +gint +find_val_for_string(const char *needle, const enum_val_t *haystack, + gint default_value) +{ + int i; + + for (i = 0; haystack[i].name != NULL; i++) { + if (strcasecmp(needle, haystack[i].name) == 0) { + return haystack[i].value; + } + } + for (i = 0; haystack[i].name != NULL; i++) { + if (strcasecmp(needle, haystack[i].description) == 0) { + return haystack[i].value; + } + } + return default_value; +} + +/* Takes an string and a pointer to an array of strings, and a default int value. + * The array must be terminated by a NULL string. If the string is found in the array + * of strings, the index of that string in the array is returned. Otherwise, the + * default value that was passed as the third argument is returned. + */ +static int +find_index_from_string_array(char *needle, char **haystack, int default_value) +{ + int i = 0; + + while (haystack[i] != NULL) { + if (strcmp(needle, haystack[i]) == 0) { + return i; + } + i++; + } + return default_value; +} + +/* Preferences file format: + * - Configuration directives start at the beginning of the line, and + * are terminated with a colon. + * - Directives can be continued on the next line by preceding them with + * whitespace. + * + * Example: + +# This is a comment line +print.command: lpr +print.file: /a/very/long/path/ + to/ethereal-out.ps + * + */ + +#define MAX_VAR_LEN 48 + +#define DEF_NUM_COLS 6 + + +/* Read the preferences file, fill in "prefs", and return a pointer to it. + + If we got an error (other than "it doesn't exist") trying to read + the global preferences file, stuff the errno into "*gpf_errno_return" + and a pointer to the path of the file into "*gpf_path_return", and + return NULL. + + If we got an error (other than "it doesn't exist") trying to read + the user's preferences file, stuff the errno into "*pf_errno_return" + and a pointer to the path of the file into "*pf_path_return", and + return NULL. */ +e_prefs * +read_prefs(int *gpf_errno_return, int *gpf_read_errno_return, + char **gpf_path_return, int *pf_errno_return, + int *pf_read_errno_return, char **pf_path_return) +{ + int i; + int err; + char *pf_path; + FILE *pf; + fmt_data *cfmt; + gchar *col_fmt[] = {"No.", "%m", "Time", "%t", + "Source", "%s", "Destination", "%d", + "Protocol", "%p", "Info", "%i"}; + + if (init_prefs) { + /* Initialize preferences to wired-in default values. + They may be overridden by the global preferences file or the + user's preferences file. */ + init_prefs = FALSE; + prefs.pr_format = PR_FMT_TEXT; + prefs.pr_dest = PR_DEST_CMD; + prefs.pr_file = g_strdup("ethereal.out"); + prefs.pr_cmd = g_strdup("lpr"); + prefs.col_list = NULL; + for (i = 0; i < DEF_NUM_COLS; i++) { + cfmt = (fmt_data *) g_malloc(sizeof(fmt_data)); + cfmt->title = g_strdup(col_fmt[i * 2]); + cfmt->fmt = g_strdup(col_fmt[(i * 2) + 1]); + prefs.col_list = g_list_append(prefs.col_list, cfmt); + } + prefs.num_cols = DEF_NUM_COLS; + prefs.st_client_fg.pixel = 0; + prefs.st_client_fg.red = 32767; + prefs.st_client_fg.green = 0; + prefs.st_client_fg.blue = 0; + prefs.st_client_bg.pixel = 0; + prefs.st_client_bg.red = 64507; + prefs.st_client_bg.green = 60909; + prefs.st_client_bg.blue = 60909; + prefs.st_server_fg.pixel = 0; + prefs.st_server_fg.red = 0; + prefs.st_server_fg.green = 0; + prefs.st_server_fg.blue = 32767; + prefs.st_server_bg.pixel = 0; + prefs.st_server_bg.red = 60909; + prefs.st_server_bg.green = 60909; + prefs.st_server_bg.blue = 64507; + prefs.gui_scrollbar_on_right = TRUE; + prefs.gui_plist_sel_browse = FALSE; + prefs.gui_ptree_sel_browse = FALSE; + prefs.gui_altern_colors = FALSE; + prefs.gui_ptree_line_style = 0; + prefs.gui_ptree_expander_style = 1; + prefs.gui_hex_dump_highlight_style = 1; + prefs.filter_toolbar_show_in_statusbar = FALSE; + prefs.gui_toolbar_main_style = TB_STYLE_ICONS; +#ifdef _WIN32 + prefs.gui_font_name1 = g_strdup("-*-lucida console-medium-r-*-*-*-100-*-*-*-*-*-*"); + prefs.gui_font_name2 = g_strdup("Lucida Console 10"); +#else + /* + * XXX - for now, we make the initial font name a pattern that matches + * only ISO 8859/1 fonts, so that we don't match 2-byte fonts such + * as ISO 10646 fonts. + * + * Users in locales using other one-byte fonts will have to choose + * a different font from the preferences dialog - or put the font + * selection in the global preferences file to make that font the + * default for all users who don't explicitly specify a different + * font. + * + * Making this a font set rather than a font has two problems: + * + * 1) as far as I know, you can't select font sets with the + * font selection dialog; + * + * 2) if you use a font set, the text to be drawn must be a + * multi-byte string in the appropriate locale, but + * Ethereal does *NOT* guarantee that's the case - in + * the hex-dump window, each character in the text portion + * of the display must be a *single* byte, and in the + * packet-list and protocol-tree windows, text extracted + * from the packet is not necessarily in the right format. + * + * "Doing this right" may, for the packet-list and protocol-tree + * windows, require that dissectors know what the locale is + * *AND* know what locale and text representation is used in + * the packets they're dissecting, and may be impossible in + * the hex-dump window (except by punting and displaying only + * ASCII characters). + * + * GTK+ 2.0 may simplify part of the problem, as it will, as I + * understand it, use UTF-8-encoded Unicode as its internal + * character set; however, we'd still have to know whatever + * character set and encoding is used in the packet (which + * may differ for different protocols, e.g. SMB might use + * PC code pages for some strings and Unicode for others, whilst + * NFS might use some UNIX character set encoding, e.g. ISO 8859/x, + * or one of the EUC character sets for Asian languages, or one + * of the other multi-byte character sets, or UTF-8, or...). + * + * I.e., as far as I can tell, "internationalizing" the packet-list, + * protocol-tree, and hex-dump windows involves a lot more than, say, + * just using font sets rather than fonts. + */ + prefs.gui_font_name1 = g_strdup("-misc-fixed-medium-r-semicondensed-*-*-120-*-*-*-*-iso8859-1"); + /* XXX- is this the correct default font name for GTK2 none win32? */ + prefs.gui_font_name2 = g_strdup("fixed medium 12"); +#endif + prefs.gui_marked_fg.pixel = 65535; + prefs.gui_marked_fg.red = 65535; + prefs.gui_marked_fg.green = 65535; + prefs.gui_marked_fg.blue = 65535; + prefs.gui_marked_bg.pixel = 0; + prefs.gui_marked_bg.red = 0; + prefs.gui_marked_bg.green = 0; + prefs.gui_marked_bg.blue = 0; + prefs.gui_geometry_save_position = 0; + prefs.gui_geometry_save_size = 1; + prefs.gui_geometry_save_maximized= 1; + prefs.gui_console_open = console_open_never; + prefs.gui_fileopen_style = FO_STYLE_LAST_OPENED; + prefs.gui_recent_files_count_max = 10; + prefs.gui_fileopen_dir = g_strdup(""); + prefs.gui_fileopen_preview = 3; + prefs.gui_ask_unsaved = TRUE; + prefs.gui_find_wrap = TRUE; + prefs.gui_webbrowser = g_strdup("mozilla %s"); + prefs.gui_layout_type = layout_type_5; + prefs.gui_layout_content_1 = layout_pane_content_plist; + prefs.gui_layout_content_2 = layout_pane_content_pdetails; + prefs.gui_layout_content_3 = layout_pane_content_pbytes; + +/* set the default values for the capture dialog box */ + prefs.capture_device = NULL; + prefs.capture_devices_descr = NULL; + prefs.capture_devices_hide = NULL; + prefs.capture_prom_mode = TRUE; + prefs.capture_real_time = FALSE; + prefs.capture_auto_scroll = FALSE; + prefs.capture_show_info = TRUE; + prefs.name_resolve = RESOLV_ALL ^ RESOLV_NETWORK; + prefs.name_resolve_concurrency = 500; + } + + /* Construct the pathname of the global preferences file. */ + if (! gpf_path) + gpf_path = get_datafile_path(GPF_NAME); + + /* Read the global preferences file, if it exists. */ + *gpf_path_return = NULL; + if ((pf = fopen(gpf_path, "r")) != NULL) { + /* + * Start out the counters of "mgcp.{tcp,udp}.port" entries we've + * seen. + */ + mgcp_tcp_port_count = 0; + mgcp_udp_port_count = 0; + + /* We succeeded in opening it; read it. */ + err = read_prefs_file(gpf_path, pf, set_pref); + if (err != 0) { + /* We had an error reading the file; return the errno and the + pathname, so our caller can report the error. */ + *gpf_errno_return = 0; + *gpf_read_errno_return = err; + *gpf_path_return = gpf_path; + } + fclose(pf); + } else { + /* We failed to open it. If we failed for some reason other than + "it doesn't exist", return the errno and the pathname, so our + caller can report the error. */ + if (errno != ENOENT) { + *gpf_errno_return = errno; + *gpf_read_errno_return = 0; + *gpf_path_return = gpf_path; + } + } + + /* Construct the pathname of the user's preferences file. */ + pf_path = get_persconffile_path(PF_NAME, FALSE); + + /* Read the user's preferences file, if it exists. */ + *pf_path_return = NULL; + if ((pf = fopen(pf_path, "r")) != NULL) { + /* + * Start out the counters of "mgcp.{tcp,udp}.port" entries we've + * seen. + */ + mgcp_tcp_port_count = 0; + mgcp_udp_port_count = 0; + + /* We succeeded in opening it; read it. */ + err = read_prefs_file(pf_path, pf, set_pref); + if (err != 0) { + /* We had an error reading the file; return the errno and the + pathname, so our caller can report the error. */ + *pf_errno_return = 0; + *pf_read_errno_return = err; + *pf_path_return = pf_path; + } else + g_free(pf_path); + fclose(pf); + } else { + /* We failed to open it. If we failed for some reason other than + "it doesn't exist", return the errno and the pathname, so our + caller can report the error. */ + if (errno != ENOENT) { + *pf_errno_return = errno; + *pf_read_errno_return = 0; + *pf_path_return = pf_path; + } + } + + return &prefs; +} + +/* read the preferences file (or similiar) and call the callback + * function to set each key/value pair found */ +int +read_prefs_file(const char *pf_path, FILE *pf, pref_set_pair_cb pref_set_pair_fct) +{ + enum { START, IN_VAR, PRE_VAL, IN_VAL, IN_SKIP }; + gchar cur_var[MAX_VAR_LEN], cur_val[MAX_VAL_LEN]; + int got_c, state = START; + gboolean got_val = FALSE; + gint var_len = 0, val_len = 0, fline = 1, pline = 1; + gchar hint[] = "(saving your preferences once should remove this warning)"; + + + while ((got_c = getc(pf)) != EOF) { + if (got_c == '\n') { + state = START; + fline++; + continue; + } + if (var_len >= MAX_VAR_LEN) { + g_warning ("%s line %d: Variable too long %s", pf_path, fline, hint); + state = IN_SKIP; + var_len = 0; + continue; + } + if (val_len >= MAX_VAL_LEN) { + g_warning ("%s line %d: Value too long %s", pf_path, fline, hint); + state = IN_SKIP; + var_len = 0; + continue; + } + + switch (state) { + case START: + if (isalnum(got_c)) { + if (var_len > 0) { + if (got_val) { + cur_var[var_len] = '\0'; + cur_val[val_len] = '\0'; + switch (pref_set_pair_fct(cur_var, cur_val)) { + + case PREFS_SET_SYNTAX_ERR: + g_warning ("%s line %d: Syntax error %s", pf_path, pline, hint); + break; + + case PREFS_SET_NO_SUCH_PREF: + g_warning ("%s line %d: No such preference \"%s\" %s", pf_path, + pline, cur_var, hint); + break; + + case PREFS_SET_OBSOLETE: + /* We silently ignore attempts to set these; it's + probably not the user's fault that it's in there - + they may have saved preferences with a release that + supported them. */ + break; + } + } else { + g_warning ("%s line %d: Incomplete preference %s", pf_path, pline, hint); + } + } + state = IN_VAR; + got_val = FALSE; + cur_var[0] = got_c; + var_len = 1; + pline = fline; + } else if (isspace(got_c) && var_len > 0 && got_val) { + state = PRE_VAL; + } else if (got_c == '#') { + state = IN_SKIP; + } else { + g_warning ("%s line %d: Malformed line %s", pf_path, fline, hint); + } + break; + case IN_VAR: + if (got_c != ':') { + cur_var[var_len] = got_c; + var_len++; + } else { + state = PRE_VAL; + val_len = 0; + got_val = TRUE; + } + break; + case PRE_VAL: + if (!isspace(got_c)) { + state = IN_VAL; + cur_val[val_len] = got_c; + val_len++; + } + break; + case IN_VAL: + if (got_c != '#') { + cur_val[val_len] = got_c; + val_len++; + } else { + while (isspace((guchar)cur_val[val_len]) && val_len > 0) + val_len--; + state = IN_SKIP; + } + break; + } + } + if (var_len > 0) { + if (got_val) { + cur_var[var_len] = '\0'; + cur_val[val_len] = '\0'; + switch (pref_set_pair_fct(cur_var, cur_val)) { + + case PREFS_SET_SYNTAX_ERR: + g_warning ("%s line %d: Syntax error %s", pf_path, pline, hint); + break; + + case PREFS_SET_NO_SUCH_PREF: + g_warning ("%s line %d: No such preference \"%s\" %s", pf_path, + pline, cur_var, hint); + break; + + case PREFS_SET_OBSOLETE: + /* We silently ignore attempts to set these; it's probably not + the user's fault that it's in there - they may have saved + preferences with a release that supported it. */ + break; + } + } else { + g_warning ("%s line %d: Incomplete preference %s", pf_path, pline, hint); + } + } + if (ferror(pf)) + return errno; + else + return 0; +} + +/* + * Given a string of the form "<pref name>:<pref value>", as might appear + * as an argument to a "-o" option, parse it and set the preference in + * question. Return an indication of whether it succeeded or failed + * in some fashion. + */ +int +prefs_set_pref(char *prefarg) +{ + guchar *p, *colonp; + int ret; + + /* + * Set the counters of "mgcp.{tcp,udp}.port" entries we've + * seen to values that keep us from trying to interpret tham + * as "mgcp.{tcp,udp}.gateway_port" or "mgcp.{tcp,udp}.callagent_port", + * as, from the command line, we have no way of guessing which + * the user had in mind. + */ + mgcp_tcp_port_count = -1; + mgcp_udp_port_count = -1; + + colonp = strchr(prefarg, ':'); + if (colonp == NULL) + return PREFS_SET_SYNTAX_ERR; + + p = colonp; + *p++ = '\0'; + + /* + * Skip over any white space (there probably won't be any, but + * as we allow it in the preferences file, we might as well + * allow it here). + */ + while (isspace(*p)) + p++; + if (*p == '\0') { + /* + * Put the colon back, so if our caller uses, in an + * error message, the string they passed us, the message + * looks correct. + */ + *colonp = ':'; + return PREFS_SET_SYNTAX_ERR; + } + + ret = set_pref(prefarg, p); + *colonp = ':'; /* put the colon back */ + return ret; +} + +#define PRS_PRINT_FMT "print.format" +#define PRS_PRINT_DEST "print.destination" +#define PRS_PRINT_FILE "print.file" +#define PRS_PRINT_CMD "print.command" +#define PRS_COL_FMT "column.format" +#define PRS_STREAM_CL_FG "stream.client.fg" +#define PRS_STREAM_CL_BG "stream.client.bg" +#define PRS_STREAM_SR_FG "stream.server.fg" +#define PRS_STREAM_SR_BG "stream.server.bg" +#define PRS_GUI_SCROLLBAR_ON_RIGHT "gui.scrollbar_on_right" +#define PRS_GUI_PLIST_SEL_BROWSE "gui.packet_list_sel_browse" +#define PRS_GUI_PTREE_SEL_BROWSE "gui.protocol_tree_sel_browse" +#define PRS_GUI_ALTERN_COLORS "gui.tree_view_altern_colors" +#define PRS_GUI_FILTER_TOOLBAR_IN_STATUSBAR "gui.filter_toolbar_show_in_statusbar" +#define PRS_GUI_PTREE_LINE_STYLE "gui.protocol_tree_line_style" +#define PRS_GUI_PTREE_EXPANDER_STYLE "gui.protocol_tree_expander_style" +#define PRS_GUI_HEX_DUMP_HIGHLIGHT_STYLE "gui.hex_dump_highlight_style" +#define PRS_GUI_FONT_NAME_1 "gui.font_name" +#define PRS_GUI_FONT_NAME_2 "gui.gtk2.font_name" +#define PRS_GUI_MARKED_FG "gui.marked_frame.fg" +#define PRS_GUI_MARKED_BG "gui.marked_frame.bg" +#define PRS_GUI_CONSOLE_OPEN "gui.console_open" +#define PRS_GUI_FILEOPEN_STYLE "gui.fileopen.style" +#define PRS_GUI_RECENT_COUNT_MAX "gui.recent_files_count.max" +#define PRS_GUI_FILEOPEN_DIR "gui.fileopen.dir" +#define PRS_GUI_FILEOPEN_REMEMBERED_DIR "gui.fileopen.remembered_dir" +#define PRS_GUI_FILEOPEN_PREVIEW "gui.fileopen.preview" +#define PRS_GUI_ASK_UNSAVED "gui.ask_unsaved" +#define PRS_GUI_FIND_WRAP "gui.find_wrap" +#define PRS_GUI_GEOMETRY_SAVE_POSITION "gui.geometry.save.position" +#define PRS_GUI_GEOMETRY_SAVE_SIZE "gui.geometry.save.size" +#define PRS_GUI_GEOMETRY_SAVE_MAXIMIZED "gui.geometry.save.maximized" +#define PRS_GUI_GEOMETRY_MAIN_X "gui.geometry.main.x" +#define PRS_GUI_GEOMETRY_MAIN_Y "gui.geometry.main.y" +#define PRS_GUI_GEOMETRY_MAIN_WIDTH "gui.geometry.main.width" +#define PRS_GUI_GEOMETRY_MAIN_HEIGHT "gui.geometry.main.height" +#define PRS_GUI_TOOLBAR_MAIN_SHOW "gui.toolbar_main_show" +#define PRS_GUI_TOOLBAR_MAIN_STYLE "gui.toolbar_main_style" +#define PRS_GUI_WEBBROWSER "gui.webbrowser" +#define PRS_GUI_LAYOUT_TYPE "gui.layout_type" +#define PRS_GUI_LAYOUT_CONTENT_1 "gui.layout_content_1" +#define PRS_GUI_LAYOUT_CONTENT_2 "gui.layout_content_2" +#define PRS_GUI_LAYOUT_CONTENT_3 "gui.layout_content_3" + +/* + * This applies to more than just captures, so it's not "capture.name_resolve"; + * "capture.name_resolve" is supported on input for backwards compatibility. + * + * It's not a preference for a particular part of Ethereal, it's used all + * over the place, so its name doesn't have two components. + */ +#define PRS_NAME_RESOLVE "name_resolve" +#define PRS_NAME_RESOLVE_CONCURRENCY "name_resolve_concurrency" +#define PRS_CAP_NAME_RESOLVE "capture.name_resolve" + +/* values for the capture dialog box */ +#define PRS_CAP_DEVICE "capture.device" +#define PRS_CAP_DEVICES_DESCR "capture.devices_descr" +#define PRS_CAP_DEVICES_HIDE "capture.devices_hide" +#define PRS_CAP_PROM_MODE "capture.prom_mode" +#define PRS_CAP_REAL_TIME "capture.real_time_update" +#define PRS_CAP_AUTO_SCROLL "capture.auto_scroll" +#define PRS_CAP_SHOW_INFO "capture.show_info" + +#define RED_COMPONENT(x) (guint16) (((((x) >> 16) & 0xff) * 65535 / 255)) +#define GREEN_COMPONENT(x) (guint16) (((((x) >> 8) & 0xff) * 65535 / 255)) +#define BLUE_COMPONENT(x) (guint16) ( (((x) & 0xff) * 65535 / 255)) + +static gchar *pr_formats[] = { "text", "postscript" }; +static gchar *pr_dests[] = { "command", "file" }; + +typedef struct { + char letter; + guint32 value; +} name_resolve_opt_t; + +static name_resolve_opt_t name_resolve_opt[] = { + { 'm', RESOLV_MAC }, + { 'n', RESOLV_NETWORK }, + { 't', RESOLV_TRANSPORT }, + { 'C', RESOLV_CONCURRENT }, +}; + +#define N_NAME_RESOLVE_OPT (sizeof name_resolve_opt / sizeof name_resolve_opt[0]) + +static char * +name_resolve_to_string(guint32 name_resolve) +{ + static char string[N_NAME_RESOLVE_OPT+1]; + char *p; + unsigned int i; + gboolean all_opts_set = TRUE; + + if (name_resolve == RESOLV_NONE) + return "FALSE"; + p = &string[0]; + for (i = 0; i < N_NAME_RESOLVE_OPT; i++) { + if (name_resolve & name_resolve_opt[i].value) + *p++ = name_resolve_opt[i].letter; + else + all_opts_set = FALSE; + } + *p = '\0'; + if (all_opts_set) + return "TRUE"; + return string; +} + +char +string_to_name_resolve(char *string, guint32 *name_resolve) +{ + char c; + unsigned int i; + + *name_resolve = 0; + while ((c = *string++) != '\0') { + for (i = 0; i < N_NAME_RESOLVE_OPT; i++) { + if (c == name_resolve_opt[i].letter) { + *name_resolve |= name_resolve_opt[i].value; + break; + } + } + if (i == N_NAME_RESOLVE_OPT) { + /* + * Unrecognized letter. + */ + return c; + } + } + return '\0'; +} + +static int +set_pref(gchar *pref_name, gchar *value) +{ + GList *col_l, *col_l_elt; + gint llen; + fmt_data *cfmt; + unsigned long int cval; + guint uval; + gboolean bval; + gint enum_val; + char *p; + gchar *dotp, *last_dotp; + module_t *module; + pref_t *pref; + gboolean had_a_dot; + + if (strcmp(pref_name, PRS_PRINT_FMT) == 0) { + if (strcmp(value, pr_formats[PR_FMT_TEXT]) == 0) { + prefs.pr_format = PR_FMT_TEXT; + } else if (strcmp(value, pr_formats[PR_FMT_PS]) == 0) { + prefs.pr_format = PR_FMT_PS; + } else { + return PREFS_SET_SYNTAX_ERR; + } + } else if (strcmp(pref_name, PRS_PRINT_DEST) == 0) { + if (strcmp(value, pr_dests[PR_DEST_CMD]) == 0) { + prefs.pr_dest = PR_DEST_CMD; + } else if (strcmp(value, pr_dests[PR_DEST_FILE]) == 0) { + prefs.pr_dest = PR_DEST_FILE; + } else { + return PREFS_SET_SYNTAX_ERR; + } + } else if (strcmp(pref_name, PRS_PRINT_FILE) == 0) { + if (prefs.pr_file) g_free(prefs.pr_file); + prefs.pr_file = g_strdup(value); + } else if (strcmp(pref_name, PRS_PRINT_CMD) == 0) { + if (prefs.pr_cmd) g_free(prefs.pr_cmd); + prefs.pr_cmd = g_strdup(value); + } else if (strcmp(pref_name, PRS_COL_FMT) == 0) { + col_l = get_string_list(value); + if (col_l == NULL) + return PREFS_SET_SYNTAX_ERR; + if ((g_list_length(col_l) % 2) != 0) { + /* A title didn't have a matching format. */ + clear_string_list(col_l); + return PREFS_SET_SYNTAX_ERR; + } + /* Check to make sure all column formats are valid. */ + col_l_elt = g_list_first(col_l); + while(col_l_elt) { + /* Make sure the title isn't empty. */ + if (strcmp(col_l_elt->data, "") == 0) { + /* It is. */ + clear_string_list(col_l); + return PREFS_SET_SYNTAX_ERR; + } + + /* Go past the title. */ + col_l_elt = col_l_elt->next; + + /* Check the format. */ + if (get_column_format_from_str(col_l_elt->data) == -1) { + /* It's not a valid column format. */ + clear_string_list(col_l); + return PREFS_SET_SYNTAX_ERR; + } + + /* Go past the format. */ + col_l_elt = col_l_elt->next; + } + free_col_info(&prefs); + prefs.col_list = NULL; + llen = g_list_length(col_l); + prefs.num_cols = llen / 2; + col_l_elt = g_list_first(col_l); + while(col_l_elt) { + cfmt = (fmt_data *) g_malloc(sizeof(fmt_data)); + cfmt->title = g_strdup(col_l_elt->data); + col_l_elt = col_l_elt->next; + cfmt->fmt = g_strdup(col_l_elt->data); + col_l_elt = col_l_elt->next; + prefs.col_list = g_list_append(prefs.col_list, cfmt); + } + clear_string_list(col_l); + } else if (strcmp(pref_name, PRS_STREAM_CL_FG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.st_client_fg.pixel = 0; + prefs.st_client_fg.red = RED_COMPONENT(cval); + prefs.st_client_fg.green = GREEN_COMPONENT(cval); + prefs.st_client_fg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_STREAM_CL_BG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.st_client_bg.pixel = 0; + prefs.st_client_bg.red = RED_COMPONENT(cval); + prefs.st_client_bg.green = GREEN_COMPONENT(cval); + prefs.st_client_bg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_STREAM_SR_FG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.st_server_fg.pixel = 0; + prefs.st_server_fg.red = RED_COMPONENT(cval); + prefs.st_server_fg.green = GREEN_COMPONENT(cval); + prefs.st_server_fg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_STREAM_SR_BG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.st_server_bg.pixel = 0; + prefs.st_server_bg.red = RED_COMPONENT(cval); + prefs.st_server_bg.green = GREEN_COMPONENT(cval); + prefs.st_server_bg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_GUI_SCROLLBAR_ON_RIGHT) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_scrollbar_on_right = TRUE; + } + else { + prefs.gui_scrollbar_on_right = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_PLIST_SEL_BROWSE) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_plist_sel_browse = TRUE; + } + else { + prefs.gui_plist_sel_browse = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_PTREE_SEL_BROWSE) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_ptree_sel_browse = TRUE; + } + else { + prefs.gui_ptree_sel_browse = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_ALTERN_COLORS) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_altern_colors = TRUE; + } + else { + prefs.gui_altern_colors = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_PTREE_LINE_STYLE) == 0) { + prefs.gui_ptree_line_style = + find_index_from_string_array(value, gui_ptree_line_style_text, 0); + } else if (strcmp(pref_name, PRS_GUI_PTREE_EXPANDER_STYLE) == 0) { + prefs.gui_ptree_expander_style = + find_index_from_string_array(value, gui_ptree_expander_style_text, 1); + } else if (strcmp(pref_name, PRS_GUI_HEX_DUMP_HIGHLIGHT_STYLE) == 0) { + prefs.gui_hex_dump_highlight_style = + find_index_from_string_array(value, gui_hex_dump_highlight_style_text, 1); + } else if (strcmp(pref_name, PRS_GUI_FILTER_TOOLBAR_IN_STATUSBAR) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.filter_toolbar_show_in_statusbar = TRUE; + } + else { + prefs.filter_toolbar_show_in_statusbar = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_TOOLBAR_MAIN_SHOW) == 0) { + /* obsoleted by recent setting */ + } else if (strcmp(pref_name, PRS_GUI_TOOLBAR_MAIN_STYLE) == 0) { + /* see toolbar.c for details, "icons only" is default */ + prefs.gui_toolbar_main_style = + find_index_from_string_array(value, gui_toolbar_style_text, + TB_STYLE_ICONS); + } else if (strcmp(pref_name, PRS_GUI_FONT_NAME_1) == 0) { + if (prefs.gui_font_name1 != NULL) + g_free(prefs.gui_font_name1); + prefs.gui_font_name1 = g_strdup(value); + } else if (strcmp(pref_name, PRS_GUI_FONT_NAME_2) == 0) { + if (prefs.gui_font_name2 != NULL) + g_free(prefs.gui_font_name2); + prefs.gui_font_name2 = g_strdup(value); + } else if (strcmp(pref_name, PRS_GUI_MARKED_FG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.gui_marked_fg.pixel = 0; + prefs.gui_marked_fg.red = RED_COMPONENT(cval); + prefs.gui_marked_fg.green = GREEN_COMPONENT(cval); + prefs.gui_marked_fg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_GUI_MARKED_BG) == 0) { + cval = strtoul(value, NULL, 16); + prefs.gui_marked_bg.pixel = 0; + prefs.gui_marked_bg.red = RED_COMPONENT(cval); + prefs.gui_marked_bg.green = GREEN_COMPONENT(cval); + prefs.gui_marked_bg.blue = BLUE_COMPONENT(cval); + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_SAVE_POSITION) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_geometry_save_position = TRUE; + } + else { + prefs.gui_geometry_save_position = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_SAVE_SIZE) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_geometry_save_size = TRUE; + } + else { + prefs.gui_geometry_save_size = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_SAVE_MAXIMIZED) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_geometry_save_maximized = TRUE; + } + else { + prefs.gui_geometry_save_maximized = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_X) == 0) { /* deprecated */ + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_Y) == 0) { /* deprecated */ + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_WIDTH) == 0) { /* deprecated */ + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_HEIGHT) == 0) { /* deprecated */ + } else if (strcmp(pref_name, PRS_GUI_CONSOLE_OPEN) == 0) { + prefs.gui_console_open = + find_index_from_string_array(value, gui_console_open_text, + console_open_never); + } else if (strcmp(pref_name, PRS_GUI_RECENT_COUNT_MAX) == 0) { + prefs.gui_recent_files_count_max = strtoul(value, NULL, 10); + if (prefs.gui_recent_files_count_max == 0) { + /* We really should put up a dialog box here ... */ + prefs.gui_recent_files_count_max = 10; + } + } else if (strcmp(pref_name, PRS_GUI_FILEOPEN_STYLE) == 0) { + prefs.gui_fileopen_style = + find_index_from_string_array(value, gui_fileopen_style_text, + FO_STYLE_LAST_OPENED); + } else if (strcmp(pref_name, PRS_GUI_FILEOPEN_DIR) == 0) { + if (prefs.gui_fileopen_dir != NULL) + g_free(prefs.gui_fileopen_dir); + prefs.gui_fileopen_dir = g_strdup(value); + } else if (strcmp(pref_name, PRS_GUI_FILEOPEN_REMEMBERED_DIR) == 0) { /* deprecated */ + } else if (strcmp(pref_name, PRS_GUI_FILEOPEN_PREVIEW) == 0) { + prefs.gui_fileopen_preview = strtoul(value, NULL, 10); + } else if (strcmp(pref_name, PRS_GUI_ASK_UNSAVED) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_ask_unsaved = TRUE; + } + else { + prefs.gui_ask_unsaved = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_FIND_WRAP) == 0) { + if (strcasecmp(value, "true") == 0) { + prefs.gui_find_wrap = TRUE; + } + else { + prefs.gui_find_wrap = FALSE; + } + } else if (strcmp(pref_name, PRS_GUI_WEBBROWSER) == 0) { + g_free(prefs.gui_webbrowser); + prefs.gui_webbrowser = g_strdup(value); + } else if (strcmp(pref_name, PRS_GUI_LAYOUT_TYPE) == 0) { + prefs.gui_layout_type = strtoul(value, NULL, 10); + if (prefs.gui_layout_type == layout_unused || + prefs.gui_layout_type >= layout_type_max) { + /* XXX - report an error? It's not a syntax error - we'd need to + add a way of reporting a *semantic* error. */ + prefs.gui_layout_type = layout_type_5; + } + } else if (strcmp(pref_name, PRS_GUI_LAYOUT_CONTENT_1) == 0) { + prefs.gui_layout_content_1 = + find_index_from_string_array(value, gui_layout_content_text, 0); + } else if (strcmp(pref_name, PRS_GUI_LAYOUT_CONTENT_2) == 0) { + prefs.gui_layout_content_2 = + find_index_from_string_array(value, gui_layout_content_text, 0); + } else if (strcmp(pref_name, PRS_GUI_LAYOUT_CONTENT_3) == 0) { + prefs.gui_layout_content_3 = + find_index_from_string_array(value, gui_layout_content_text, 0); + +/* handle the capture options */ + } else if (strcmp(pref_name, PRS_CAP_DEVICE) == 0) { + if (prefs.capture_device != NULL) + g_free(prefs.capture_device); + prefs.capture_device = g_strdup(value); + } else if (strcmp(pref_name, PRS_CAP_DEVICES_DESCR) == 0) { + if (prefs.capture_devices_descr != NULL) + g_free(prefs.capture_devices_descr); + prefs.capture_devices_descr = g_strdup(value); + } else if (strcmp(pref_name, PRS_CAP_DEVICES_HIDE) == 0) { + if (prefs.capture_devices_hide != NULL) + g_free(prefs.capture_devices_hide); + prefs.capture_devices_hide = g_strdup(value); + } else if (strcmp(pref_name, PRS_CAP_PROM_MODE) == 0) { + prefs.capture_prom_mode = ((strcasecmp(value, "true") == 0)?TRUE:FALSE); + } else if (strcmp(pref_name, PRS_CAP_REAL_TIME) == 0) { + prefs.capture_real_time = ((strcasecmp(value, "true") == 0)?TRUE:FALSE); + } else if (strcmp(pref_name, PRS_CAP_AUTO_SCROLL) == 0) { + prefs.capture_auto_scroll = ((strcasecmp(value, "true") == 0)?TRUE:FALSE); + } else if (strcmp(pref_name, PRS_CAP_SHOW_INFO) == 0) { + prefs.capture_show_info = ((strcasecmp(value, "true") == 0)?TRUE:FALSE); + +/* handle the global options */ + } else if (strcmp(pref_name, PRS_NAME_RESOLVE) == 0 || + strcmp(pref_name, PRS_CAP_NAME_RESOLVE) == 0) { + /* + * "TRUE" and "FALSE", for backwards compatibility, are synonyms for + * RESOLV_ALL and RESOLV_NONE. + * + * Otherwise, we treat it as a list of name types we want to resolve. + */ + if (strcasecmp(value, "true") == 0) + prefs.name_resolve = RESOLV_ALL; + else if (strcasecmp(value, "false") == 0) + prefs.name_resolve = RESOLV_NONE; + else { + prefs.name_resolve = RESOLV_NONE; /* start out with none set */ + if (string_to_name_resolve(value, &prefs.name_resolve) != '\0') + return PREFS_SET_SYNTAX_ERR; + } + } else if (strcmp(pref_name, PRS_NAME_RESOLVE_CONCURRENCY) == 0) { + prefs.name_resolve_concurrency = strtol(value, NULL, 10); + } else { + /* To which module does this preference belong? */ + module = NULL; + last_dotp = pref_name; + had_a_dot = FALSE; + while (!module) { + dotp = strchr(last_dotp, '.'); + if (dotp == NULL) { + if (had_a_dot) { + /* no such module */ + return PREFS_SET_NO_SUCH_PREF; + } + else { + /* no ".", so no module/name separator */ + return PREFS_SET_SYNTAX_ERR; + } + } + else { + had_a_dot = TRUE; + } + *dotp = '\0'; /* separate module and preference name */ + module = find_module(pref_name); + + /* + * XXX - "Diameter" rather than "diameter" was used in earlier + * versions of Ethereal; if we didn't find the module, and its name + * was "Diameter", look for "diameter" instead. + * + * In addition, the BEEP protocol used to be the BXXP protocol, + * so if we didn't find the module, and its name was "bxxp", + * look for "beep" instead. + * + * Also, the preferences for GTP v0 and v1 were combined under + * a single "gtp" heading, and the preferences for SMPP were + * moved to "smpp-gsm-sms" and then moved to "gsm-sms-ud". + * However, SMPP now has its own preferences, so we just map + * "smpp-gsm-sms" to "gsm-sms-ud", and then handle SMPP below. + */ + if (module == NULL) { + if (strcmp(pref_name, "Diameter") == 0) + module = find_module("diameter"); + else if (strcmp(pref_name, "bxxp") == 0) + module = find_module("beep"); + else if (strcmp(pref_name, "gtpv0") == 0 || + strcmp(pref_name, "gtpv1") == 0) + module = find_module("gtp"); + else if (strcmp(pref_name, "smpp-gsm-sms") == 0) + module = find_module("gsm-sms-ud"); + } + *dotp = '.'; /* put the preference string back */ + dotp++; /* skip past separator to preference name */ + last_dotp = dotp; + } + + pref = find_preference(module, dotp); + + if (pref == NULL) { + if (strcmp(module->name, "mgcp") == 0) { + /* + * XXX - "mgcp.display raw text toggle" and "mgcp.display dissect tree" + * rather than "mgcp.display_raw_text" and "mgcp.display_dissect_tree" + * were used in earlier versions of Ethereal; if we didn't find the + * preference, it was an MGCP preference, and its name was + * "display raw text toggle" or "display dissect tree", look for + * "display_raw_text" or "display_dissect_tree" instead. + * + * "mgcp.tcp.port" and "mgcp.udp.port" are harder to handle, as both + * the gateway and callagent ports were given those names; we interpret + * the first as "mgcp.{tcp,udp}.gateway_port" and the second as + * "mgcp.{tcp,udp}.callagent_port", as that's the order in which + * they were registered by the MCCP dissector and thus that's the + * order in which they were written to the preferences file. (If + * we're not reading the preferences file, but are handling stuff + * from a "-o" command-line option, we have no clue which the user + * had in mind - they should have used "mgcp.{tcp,udp}.gateway_port" + * or "mgcp.{tcp,udp}.callagent_port" instead.) + */ + if (strcmp(dotp, "display raw text toggle") == 0) + pref = find_preference(module, "display_raw_text"); + else if (strcmp(dotp, "display dissect tree") == 0) + pref = find_preference(module, "display_dissect_tree"); + else if (strcmp(dotp, "tcp.port") == 0) { + mgcp_tcp_port_count++; + if (mgcp_tcp_port_count == 1) { + /* It's the first one */ + pref = find_preference(module, "tcp.gateway_port"); + } else if (mgcp_tcp_port_count == 2) { + /* It's the second one */ + pref = find_preference(module, "tcp.callagent_port"); + } + /* Otherwise it's from the command line, and we don't bother + mapping it. */ + } else if (strcmp(dotp, "udp.port") == 0) { + mgcp_udp_port_count++; + if (mgcp_udp_port_count == 1) { + /* It's the first one */ + pref = find_preference(module, "udp.gateway_port"); + } else if (mgcp_udp_port_count == 2) { + /* It's the second one */ + pref = find_preference(module, "udp.callagent_port"); + } + /* Otherwise it's from the command line, and we don't bother + mapping it. */ + } + } else if (strcmp(module->name, "smb") == 0) { + /* Handle old names for SMB preferences. */ + if (strcmp(dotp, "smb.trans.reassembly") == 0) + pref = find_preference(module, "trans_reassembly"); + else if (strcmp(dotp, "smb.dcerpc.reassembly") == 0) + pref = find_preference(module, "dcerpc_reassembly"); + } else if (strcmp(module->name, "ndmp") == 0) { + /* Handle old names for NDMP preferences. */ + if (strcmp(dotp, "ndmp.desegment") == 0) + pref = find_preference(module, "desegment"); + } else if (strcmp(module->name, "diameter") == 0) { + /* Handle old names for Diameter preferences. */ + if (strcmp(dotp, "diameter.desegment") == 0) + pref = find_preference(module, "desegment"); + } else if (strcmp(module->name, "pcli") == 0) { + /* Handle old names for PCLI preferences. */ + if (strcmp(dotp, "pcli.udp_port") == 0) + pref = find_preference(module, "udp_port"); + } else if (strcmp(module->name, "artnet") == 0) { + /* Handle old names for ARTNET preferences. */ + if (strcmp(dotp, "artnet.udp_port") == 0) + pref = find_preference(module, "udp_port"); + } else if (strcmp(module->name, "mapi") == 0) { + /* Handle old names for MAPI preferences. */ + if (strcmp(dotp, "mapi_decrypt") == 0) + pref = find_preference(module, "decrypt"); + } else if (strcmp(module->name, "fc") == 0) { + /* Handle old names for Fibre Channel preferences. */ + if (strcmp(dotp, "reassemble_fc") == 0) + pref = find_preference(module, "reassemble"); + else if (strcmp(dotp, "fc_max_frame_size") == 0) + pref = find_preference(module, "max_frame_size"); + } else if (strcmp(module->name, "fcip") == 0) { + /* Handle old names for Fibre Channel-over-IP preferences. */ + if (strcmp(dotp, "desegment_fcip_messages") == 0) + pref = find_preference(module, "desegment"); + else if (strcmp(dotp, "fcip_port") == 0) + pref = find_preference(module, "target_port"); + } else if (strcmp(module->name, "gtp") == 0) { + /* Handle old names for GTP preferences. */ + if (strcmp(dotp, "gtpv0_port") == 0) + pref = find_preference(module, "v0_port"); + else if (strcmp(dotp, "gtpv1c_port") == 0) + pref = find_preference(module, "v1c_port"); + else if (strcmp(dotp, "gtpv1u_port") == 0) + pref = find_preference(module, "v1u_port"); + else if (strcmp(dotp, "gtp_dissect_tpdu") == 0) + pref = find_preference(module, "dissect_tpdu"); + else if (strcmp(dotp, "gtpv0_dissect_cdr_as") == 0) + pref = find_preference(module, "v0_dissect_cdr_as"); + else if (strcmp(dotp, "gtpv0_check_etsi") == 0) + pref = find_preference(module, "v0_check_etsi"); + else if (strcmp(dotp, "gtpv1_check_etsi") == 0) + pref = find_preference(module, "v1_check_etsi"); + } else if (strcmp(module->name, "ip") == 0) { + /* Handle old names for IP preferences. */ + if (strcmp(dotp, "ip_summary_in_tree") == 0) + pref = find_preference(module, "summary_in_tree"); + } else if (strcmp(module->name, "iscsi") == 0) { + /* Handle old names for iSCSI preferences. */ + if (strcmp(dotp, "iscsi_port") == 0) + pref = find_preference(module, "target_port"); + } else if (strcmp(module->name, "lmp") == 0) { + /* Handle old names for LMP preferences. */ + if (strcmp(dotp, "lmp_version") == 0) + pref = find_preference(module, "version"); + } else if (strcmp(module->name, "mtp3") == 0) { + /* Handle old names for MTP3 preferences. */ + if (strcmp(dotp, "mtp3_standard") == 0) + pref = find_preference(module, "standard"); + } else if (strcmp(module->name, "nlm") == 0) { + /* Handle old names for NLM preferences. */ + if (strcmp(dotp, "nlm_msg_res_matching") == 0) + pref = find_preference(module, "msg_res_matching"); + } else if (strcmp(module->name, "ppp") == 0) { + /* Handle old names for PPP preferences. */ + if (strcmp(dotp, "ppp_fcs") == 0) + pref = find_preference(module, "fcs_type"); + else if (strcmp(dotp, "ppp_vj") == 0) + pref = find_preference(module, "decompress_vj"); + } else if (strcmp(module->name, "rsvp") == 0) { + /* Handle old names for RSVP preferences. */ + if (strcmp(dotp, "rsvp_process_bundle") == 0) + pref = find_preference(module, "process_bundle"); + } else if (strcmp(module->name, "tcp") == 0) { + /* Handle old names for TCP preferences. */ + if (strcmp(dotp, "tcp_summary_in_tree") == 0) + pref = find_preference(module, "summary_in_tree"); + else if (strcmp(dotp, "tcp_analyze_sequence_numbers") == 0) + pref = find_preference(module, "analyze_sequence_numbers"); + else if (strcmp(dotp, "tcp_relative_sequence_numbers") == 0) + pref = find_preference(module, "relative_sequence_numbers"); + } else if (strcmp(module->name, "udp") == 0) { + /* Handle old names for UDP preferences. */ + if (strcmp(dotp, "udp_summary_in_tree") == 0) + pref = find_preference(module, "summary_in_tree"); + } else if (strcmp(module->name, "ndps") == 0) { + /* Handle old names for NDPS preferences. */ + if (strcmp(dotp, "desegment_ndps") == 0) + pref = find_preference(module, "desegment_tcp"); + } else if (strcmp(module->name, "http") == 0) { + /* Handle old names for HTTP preferences. */ + if (strcmp(dotp, "desegment_http_headers") == 0) + pref = find_preference(module, "desegment_headers"); + else if (strcmp(dotp, "desegment_http_body") == 0) + pref = find_preference(module, "desegment_body"); + } else if (strcmp(module->name, "smpp") == 0) { + /* Handle preferences that moved from SMPP. */ + module_t *new_module = find_module("gsm-sms-ud"); + if (strcmp(dotp, "port_number_udh_means_wsp") == 0) + pref = find_preference(new_module, "port_number_udh_means_wsp"); + else if (strcmp(dotp, "try_dissect_1st_fragment") == 0) + pref = find_preference(new_module, "try_dissect_1st_fragment"); + } else if (strcmp(module->name, "asn1") == 0) { + /* Handle old generic ASN.1 preferences (it's not really a + rename, as the new preferences support multiple ports, + but we might as well copy them over). */ + if (strcmp(dotp, "tcp_port") == 0) + pref = find_preference(module, "tcp_ports"); + else if (strcmp(dotp, "udp_port") == 0) + pref = find_preference(module, "udp_ports"); + else if (strcmp(dotp, "sctp_port") == 0) + pref = find_preference(module, "sctp_ports"); + } + } + if (pref == NULL) + return PREFS_SET_NO_SUCH_PREF; /* no such preference */ + + switch (pref->type) { + + case PREF_UINT: + uval = strtoul(value, &p, pref->info.base); + if (p == value || *p != '\0') + return PREFS_SET_SYNTAX_ERR; /* number was bad */ + if (*pref->varp.uint != uval) { + module->prefs_changed = TRUE; + *pref->varp.uint = uval; + } + break; + + case PREF_BOOL: + /* XXX - give an error if it's neither "true" nor "false"? */ + if (strcasecmp(value, "true") == 0) + bval = TRUE; + else + bval = FALSE; + if (*pref->varp.boolp != bval) { + module->prefs_changed = TRUE; + *pref->varp.boolp = bval; + } + break; + + case PREF_ENUM: + /* XXX - give an error if it doesn't match? */ + enum_val = find_val_for_string(value, + pref->info.enum_info.enumvals, 1); + if (*pref->varp.enump != enum_val) { + module->prefs_changed = TRUE; + *pref->varp.enump = enum_val; + } + break; + + case PREF_STRING: + if (strcmp(*pref->varp.string, value) != 0) { + module->prefs_changed = TRUE; + g_free(*pref->varp.string); + *pref->varp.string = g_strdup(value); + } + break; + + case PREF_OBSOLETE: + return PREFS_SET_OBSOLETE; /* no such preference any more */ + } + } + + return PREFS_SET_OK; +} + +typedef struct { + module_t *module; + FILE *pf; +} write_pref_arg_t; + +/* + * Write out a single preference. + */ +static void +write_pref(gpointer data, gpointer user_data) +{ + pref_t *pref = data; + write_pref_arg_t *arg = user_data; + const enum_val_t *enum_valp; + const char *val_string; + + if (pref->type == PREF_OBSOLETE) { + /* + * This preference is no longer supported; it's not a + * real preference, so we don't write it out (i.e., we + * treat it as if it weren't found in the list of + * preferences, and we weren't called in the first place). + */ + return; + } + + fprintf(arg->pf, "\n# %s\n", pref->description); + + switch (pref->type) { + + case PREF_UINT: + switch (pref->info.base) { + + case 10: + fprintf(arg->pf, "# A decimal number.\n"); + fprintf(arg->pf, "%s.%s: %u\n", arg->module->name, + pref->name, *pref->varp.uint); + break; + + case 8: + fprintf(arg->pf, "# An octal number.\n"); + fprintf(arg->pf, "%s.%s: %#o\n", arg->module->name, + pref->name, *pref->varp.uint); + break; + + case 16: + fprintf(arg->pf, "# A hexadecimal number.\n"); + fprintf(arg->pf, "%s.%s: %#x\n", arg->module->name, + pref->name, *pref->varp.uint); + break; + } + break; + + case PREF_BOOL: + fprintf(arg->pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(arg->pf, "%s.%s: %s\n", arg->module->name, pref->name, + *pref->varp.boolp ? "TRUE" : "FALSE"); + break; + + case PREF_ENUM: + /* + * For now, we save the "description" value, so that if we + * save the preferences older versions of Ethereal can at + * least read preferences that they supported; we support + * either the short name or the description when reading + * the preferences file or a "-o" option. + */ + fprintf(arg->pf, "# One of: "); + enum_valp = pref->info.enum_info.enumvals; + val_string = NULL; + while (enum_valp->name != NULL) { + if (enum_valp->value == *pref->varp.enump) + val_string = enum_valp->description; + fprintf(arg->pf, "%s", enum_valp->description); + enum_valp++; + if (enum_valp->name == NULL) + fprintf(arg->pf, "\n"); + else + fprintf(arg->pf, ", "); + } + fprintf(arg->pf, "# (case-insensitive).\n"); + fprintf(arg->pf, "%s.%s: %s\n", arg->module->name, + pref->name, val_string); + break; + + case PREF_STRING: + fprintf(arg->pf, "# A string.\n"); + fprintf(arg->pf, "%s.%s: %s\n", arg->module->name, pref->name, + *pref->varp.string); + break; + + case PREF_OBSOLETE: + g_assert_not_reached(); + break; + } +} + +static void +write_module_prefs(gpointer data, gpointer user_data) +{ + write_pref_arg_t arg; + + arg.module = data; + arg.pf = user_data; + g_list_foreach(arg.module->prefs, write_pref, &arg); +} + +/* Write out "prefs" to the user's preferences file, and return 0. + + If we got an error, stuff a pointer to the path of the preferences file + into "*pf_path_return", and return the errno. */ +int +write_prefs(char **pf_path_return) +{ + char *pf_path; + FILE *pf; + GList *clp, *col_l; + fmt_data *cfmt; + + /* To do: + * - Split output lines longer than MAX_VAL_LEN + * - Create a function for the preference directory check/creation + * so that duplication can be avoided with filter.c + */ + + pf_path = get_persconffile_path(PF_NAME, TRUE); + if ((pf = fopen(pf_path, "w")) == NULL) { + *pf_path_return = pf_path; + return errno; + } + + fputs("# Configuration file for Ethereal " VERSION ".\n" + "#\n" + "# This file is regenerated each time preferences are saved within\n" + "# Ethereal. Making manual changes should be safe, however.\n", pf); + + fprintf (pf, "\n######## User Interface ########\n"); + + fprintf(pf, "\n# Vertical scrollbars should be on right side?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_SCROLLBAR_ON_RIGHT ": %s\n", + prefs.gui_scrollbar_on_right == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Packet-list selection bar can be used to browse w/o selecting?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_PLIST_SEL_BROWSE ": %s\n", + prefs.gui_plist_sel_browse == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Protocol-tree selection bar can be used to browse w/o selecting?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_PTREE_SEL_BROWSE ": %s\n", + prefs.gui_ptree_sel_browse == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Alternating colors in TreeViews?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_ALTERN_COLORS ": %s\n", + prefs.gui_altern_colors == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Place filter toolbar inside the statusbar?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_FILTER_TOOLBAR_IN_STATUSBAR ": %s\n", + prefs.filter_toolbar_show_in_statusbar == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Protocol-tree line style.\n"); + fprintf(pf, "# One of: NONE, SOLID, DOTTED, TABBED\n"); + fprintf(pf, PRS_GUI_PTREE_LINE_STYLE ": %s\n", + gui_ptree_line_style_text[prefs.gui_ptree_line_style]); + + fprintf(pf, "\n# Protocol-tree expander style.\n"); + fprintf(pf, "# One of: NONE, SQUARE, TRIANGLE, CIRCULAR\n"); + fprintf(pf, PRS_GUI_PTREE_EXPANDER_STYLE ": %s\n", + gui_ptree_expander_style_text[prefs.gui_ptree_expander_style]); + + fprintf(pf, "\n# Hex dump highlight style.\n"); + fprintf(pf, "# One of: BOLD, INVERSE\n"); + fprintf(pf, PRS_GUI_HEX_DUMP_HIGHLIGHT_STYLE ": %s\n", + gui_hex_dump_highlight_style_text[prefs.gui_hex_dump_highlight_style]); + + fprintf(pf, "\n# Main Toolbar style.\n"); + fprintf(pf, "# One of: ICONS, TEXT, BOTH\n"); + fprintf(pf, PRS_GUI_TOOLBAR_MAIN_STYLE ": %s\n", + gui_toolbar_style_text[prefs.gui_toolbar_main_style]); + + fprintf(pf, "\n# Save window position at exit?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_GEOMETRY_SAVE_POSITION ": %s\n", + prefs.gui_geometry_save_position == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Save window size at exit?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_GEOMETRY_SAVE_SIZE ": %s\n", + prefs.gui_geometry_save_size == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Save window maximized state at exit (GTK2 only)?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_GEOMETRY_SAVE_MAXIMIZED ": %s\n", + prefs.gui_geometry_save_maximized == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Open a console window (WIN32 only)?\n"); + fprintf(pf, "# One of: NEVER, AUTOMATIC, ALWAYS\n"); + fprintf(pf, PRS_GUI_CONSOLE_OPEN ": %s\n", + gui_console_open_text[prefs.gui_console_open]); + + fprintf(pf, "\n# The max. number of items in the open recent files list.\n"); + fprintf(pf, "# A decimal number.\n"); + fprintf(pf, PRS_GUI_RECENT_COUNT_MAX ": %d\n", + prefs.gui_recent_files_count_max); + + fprintf(pf, "\n# Where to start the File Open dialog box.\n"); + fprintf(pf, "# One of: LAST_OPENED, SPECIFIED\n"); + fprintf(pf, PRS_GUI_FILEOPEN_STYLE ": %s\n", + gui_fileopen_style_text[prefs.gui_fileopen_style]); + + if (prefs.gui_fileopen_dir != NULL) { + fprintf(pf, "\n# Directory to start in when opening File Open dialog.\n"); + fprintf(pf, PRS_GUI_FILEOPEN_DIR ": %s\n", + prefs.gui_fileopen_dir); + } + + fprintf(pf, "\n# The preview timeout in the File Open dialog.\n"); + fprintf(pf, "# A decimal number (in seconds).\n"); + fprintf(pf, PRS_GUI_FILEOPEN_PREVIEW ": %d\n", + prefs.gui_fileopen_preview); + + fprintf(pf, "\n# Ask to save unsaved capture files?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_ASK_UNSAVED ": %s\n", + prefs.gui_ask_unsaved == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Wrap to beginning/end of file during search?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_GUI_FIND_WRAP ": %s\n", + prefs.gui_find_wrap == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# The path to the webbrowser.\n"); + fprintf(pf, "# Ex: mozilla %%s\n"); + fprintf(pf, PRS_GUI_WEBBROWSER ": %s\n", prefs.gui_webbrowser); + + fprintf (pf, "\n######## User Interface: Layout ########\n"); + + fprintf(pf, "\n# Layout type (1-6).\n"); + fprintf(pf, PRS_GUI_LAYOUT_TYPE ": %d\n", + prefs.gui_layout_type); + + fprintf(pf, "\n# Layout content of the panes (1-3).\n"); + fprintf(pf, "# One of: NONE, PLIST, PDETAILS, PBYTES\n"); + fprintf(pf, PRS_GUI_LAYOUT_CONTENT_1 ": %s\n", + gui_layout_content_text[prefs.gui_layout_content_1]); + fprintf(pf, PRS_GUI_LAYOUT_CONTENT_2 ": %s\n", + gui_layout_content_text[prefs.gui_layout_content_2]); + fprintf(pf, PRS_GUI_LAYOUT_CONTENT_3 ": %s\n", + gui_layout_content_text[prefs.gui_layout_content_3]); + + fprintf (pf, "\n######## User Interface: Columns ########\n"); + + clp = prefs.col_list; + col_l = NULL; + while (clp) { + cfmt = (fmt_data *) clp->data; + col_l = g_list_append(col_l, cfmt->title); + col_l = g_list_append(col_l, cfmt->fmt); + clp = clp->next; + } + fprintf (pf, "\n# Packet list column format.\n"); + fprintf (pf, "# Each pair of strings consists of a column title and its format.\n"); + fprintf (pf, "%s: %s\n", PRS_COL_FMT, put_string_list(col_l)); + /* This frees the list of strings, but not the strings to which it + refers; that's what we want, as we haven't copied those strings, + we just referred to them. */ + g_list_free(col_l); + + fprintf (pf, "\n######## User Interface: Font ########\n"); + + fprintf(pf, "\n# Font name for packet list, protocol tree, and hex dump panes (GTK version 1).\n"); + fprintf(pf, PRS_GUI_FONT_NAME_1 ": %s\n", prefs.gui_font_name1); + + fprintf(pf, "\n# Font name for packet list, protocol tree, and hex dump panes (GTK version 2).\n"); + fprintf(pf, PRS_GUI_FONT_NAME_2 ": %s\n", prefs.gui_font_name2); + + fprintf (pf, "\n######## User Interface: Colors ########\n"); + + fprintf (pf, "\n# Color preferences for a marked frame.\n"); + fprintf (pf, "# Each value is a six digit hexadecimal color value in the form rrggbb.\n"); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_GUI_MARKED_FG, + (prefs.gui_marked_fg.red * 255 / 65535), + (prefs.gui_marked_fg.green * 255 / 65535), + (prefs.gui_marked_fg.blue * 255 / 65535)); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_GUI_MARKED_BG, + (prefs.gui_marked_bg.red * 255 / 65535), + (prefs.gui_marked_bg.green * 255 / 65535), + (prefs.gui_marked_bg.blue * 255 / 65535)); + + fprintf (pf, "\n# TCP stream window color preferences.\n"); + fprintf (pf, "# Each value is a six digit hexadecimal color value in the form rrggbb.\n"); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_STREAM_CL_FG, + (prefs.st_client_fg.red * 255 / 65535), + (prefs.st_client_fg.green * 255 / 65535), + (prefs.st_client_fg.blue * 255 / 65535)); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_STREAM_CL_BG, + (prefs.st_client_bg.red * 255 / 65535), + (prefs.st_client_bg.green * 255 / 65535), + (prefs.st_client_bg.blue * 255 / 65535)); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_STREAM_SR_FG, + (prefs.st_server_fg.red * 255 / 65535), + (prefs.st_server_fg.green * 255 / 65535), + (prefs.st_server_fg.blue * 255 / 65535)); + fprintf (pf, "%s: %02x%02x%02x\n", PRS_STREAM_SR_BG, + (prefs.st_server_bg.red * 255 / 65535), + (prefs.st_server_bg.green * 255 / 65535), + (prefs.st_server_bg.blue * 255 / 65535)); + + fprintf(pf, "\n####### Capture ########\n"); + + if (prefs.capture_device != NULL) { + fprintf(pf, "\n# Default capture device\n"); + fprintf(pf, PRS_CAP_DEVICE ": %s\n", prefs.capture_device); + } + + if (prefs.capture_devices_descr != NULL) { + fprintf(pf, "\n# Interface descriptions.\n"); + fprintf(pf, "# Ex: eth0(eth0 descr),eth1(eth1 descr),...\n"); + fprintf(pf, PRS_CAP_DEVICES_DESCR ": %s\n", prefs.capture_devices_descr); + } + + if (prefs.capture_devices_hide != NULL) { + fprintf(pf, "\n# Hide interface?\n"); + fprintf(pf, "# Ex: eth0,eth3,...\n"); + fprintf(pf, PRS_CAP_DEVICES_HIDE ": %s\n", prefs.capture_devices_hide); + } + + fprintf(pf, "\n# Capture in promiscuous mode?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_CAP_PROM_MODE ": %s\n", + prefs.capture_prom_mode == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Update packet list in real time during capture?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_CAP_REAL_TIME ": %s\n", + prefs.capture_real_time == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Scroll packet list during capture?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_CAP_AUTO_SCROLL ": %s\n", + prefs.capture_auto_scroll == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Show capture info dialog while capturing?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive).\n"); + fprintf(pf, PRS_CAP_SHOW_INFO ": %s\n", + prefs.capture_show_info == TRUE ? "TRUE" : "FALSE"); + + fprintf (pf, "\n######## Printing ########\n"); + + fprintf (pf, "\n# Can be one of \"text\" or \"postscript\".\n" + "print.format: %s\n", pr_formats[prefs.pr_format]); + + fprintf (pf, "\n# Can be one of \"command\" or \"file\".\n" + "print.destination: %s\n", pr_dests[prefs.pr_dest]); + + fprintf (pf, "\n# This is the file that gets written to when the " + "destination is set to \"file\"\n" + "%s: %s\n", PRS_PRINT_FILE, prefs.pr_file); + + fprintf (pf, "\n# Output gets piped to this command when the destination " + "is set to \"command\"\n" + "%s: %s\n", PRS_PRINT_CMD, prefs.pr_cmd); + + fprintf(pf, "\n####### Name Resolution ########\n"); + + fprintf(pf, "\n# Resolve addresses to names?\n"); + fprintf(pf, "# TRUE or FALSE (case-insensitive), or a list of address types to resolve.\n"); + fprintf(pf, PRS_NAME_RESOLVE ": %s\n", + name_resolve_to_string(prefs.name_resolve)); + + fprintf(pf, "\n# Name resolution concurrency.\n"); + fprintf(pf, "# A decimal number.\n"); + fprintf(pf, PRS_NAME_RESOLVE_CONCURRENCY ": %d\n", + prefs.name_resolve_concurrency); + + fprintf(pf, "\n####### Protocols ########\n"); + + g_list_foreach(modules, write_module_prefs, pf); + + fclose(pf); + + /* XXX - catch I/O errors (e.g. "ran out of disk space") and return + an error indication, or maybe write to a new preferences file and + rename that file on top of the old one only if there are not I/O + errors. */ + return 0; +} + +/* Copy a set of preferences. */ +void +copy_prefs(e_prefs *dest, e_prefs *src) +{ + fmt_data *src_cfmt, *dest_cfmt; + GList *entry; + + dest->pr_format = src->pr_format; + dest->pr_dest = src->pr_dest; + dest->pr_file = g_strdup(src->pr_file); + dest->pr_cmd = g_strdup(src->pr_cmd); + dest->col_list = NULL; + for (entry = src->col_list; entry != NULL; entry = g_list_next(entry)) { + src_cfmt = entry->data; + dest_cfmt = (fmt_data *) g_malloc(sizeof(fmt_data)); + dest_cfmt->title = g_strdup(src_cfmt->title); + dest_cfmt->fmt = g_strdup(src_cfmt->fmt); + dest->col_list = g_list_append(dest->col_list, dest_cfmt); + } + dest->num_cols = src->num_cols; + dest->st_client_fg = src->st_client_fg; + dest->st_client_bg = src->st_client_bg; + dest->st_server_fg = src->st_server_fg; + dest->st_server_bg = src->st_server_bg; + dest->gui_scrollbar_on_right = src->gui_scrollbar_on_right; + dest->gui_plist_sel_browse = src->gui_plist_sel_browse; + dest->gui_ptree_sel_browse = src->gui_ptree_sel_browse; + dest->gui_altern_colors = src->gui_altern_colors; + dest->filter_toolbar_show_in_statusbar = src->filter_toolbar_show_in_statusbar; + dest->gui_ptree_line_style = src->gui_ptree_line_style; + dest->gui_ptree_expander_style = src->gui_ptree_expander_style; + dest->gui_hex_dump_highlight_style = src->gui_hex_dump_highlight_style; + dest->gui_toolbar_main_style = src->gui_toolbar_main_style; + dest->gui_fileopen_dir = g_strdup(src->gui_fileopen_dir); + dest->gui_console_open = src->gui_console_open; + dest->gui_fileopen_style = src->gui_fileopen_style; + dest->gui_fileopen_preview = src->gui_fileopen_preview; + dest->gui_ask_unsaved = src->gui_ask_unsaved; + dest->gui_find_wrap = src->gui_find_wrap; + dest->gui_layout_type = src->gui_layout_type; + dest->gui_layout_content_1 = src->gui_layout_content_1; + dest->gui_layout_content_2 = src->gui_layout_content_2; + dest->gui_layout_content_3 = src->gui_layout_content_3; + dest->gui_font_name1 = g_strdup(src->gui_font_name1); + dest->gui_font_name2 = g_strdup(src->gui_font_name2); + dest->gui_marked_fg = src->gui_marked_fg; + dest->gui_marked_bg = src->gui_marked_bg; + dest->gui_geometry_save_position = src->gui_geometry_save_position; + dest->gui_geometry_save_size = src->gui_geometry_save_size; + dest->gui_geometry_save_maximized = src->gui_geometry_save_maximized; + dest->gui_webbrowser = g_strdup(src->gui_webbrowser); +/* values for the capture dialog box */ + dest->capture_device = g_strdup(src->capture_device); + dest->capture_devices_descr = g_strdup(src->capture_devices_descr); + dest->capture_devices_hide = g_strdup(src->capture_devices_hide); + dest->capture_prom_mode = src->capture_prom_mode; + dest->capture_real_time = src->capture_real_time; + dest->capture_auto_scroll = src->capture_auto_scroll; + dest->capture_show_info = src->capture_show_info; + dest->name_resolve = src->name_resolve; + dest->name_resolve_concurrency = src->name_resolve_concurrency; + +} + +/* Free a set of preferences. */ +void +free_prefs(e_prefs *pr) +{ + if (pr->pr_file != NULL) { + g_free(pr->pr_file); + pr->pr_file = NULL; + } + if (pr->pr_cmd != NULL) { + g_free(pr->pr_cmd); + pr->pr_cmd = NULL; + } + free_col_info(pr); + if (pr->gui_font_name1 != NULL) { + g_free(pr->gui_font_name1); + pr->gui_font_name1 = NULL; + } + if (pr->gui_font_name2 != NULL) { + g_free(pr->gui_font_name2); + pr->gui_font_name2 = NULL; + } + if (pr->gui_fileopen_dir != NULL) { + g_free(pr->gui_fileopen_dir); + pr->gui_fileopen_dir = NULL; + } + g_free(pr->gui_webbrowser); + pr->gui_webbrowser = NULL; + if (pr->capture_device != NULL) { + g_free(pr->capture_device); + pr->capture_device = NULL; + } + if (pr->capture_devices_descr != NULL) { + g_free(pr->capture_devices_descr); + pr->capture_devices_descr = NULL; + } + if (pr->capture_devices_hide != NULL) { + g_free(pr->capture_devices_hide); + pr->capture_devices_hide = NULL; + } +} + +static void +free_col_info(e_prefs *pr) +{ + fmt_data *cfmt; + + while (pr->col_list != NULL) { + cfmt = pr->col_list->data; + g_free(cfmt->title); + g_free(cfmt->fmt); + g_free(cfmt); + pr->col_list = g_list_remove_link(pr->col_list, pr->col_list); + } + g_list_free(pr->col_list); + pr->col_list = NULL; +} |