X-Git-Url: http://git.samba.org/samba.git/?p=obnox%2Fwireshark%2Fwip.git;a=blobdiff_plain;f=prefs.c;h=c53092da5e0601b88e6cf720cb11437c19e4780d;hp=e18d64535f3e07802f51597fdeef9201d462e016;hb=5904f05078da51a512d77f38d40d943a300e3e8c;hpb=8b5abd1e8c4bdf48220c3c442b8e56128bec2ef3 diff --git a/prefs.c b/prefs.c index e18d64535f..c53092da5e 100644 --- a/prefs.c +++ b/prefs.c @@ -1,12 +1,11 @@ /* prefs.c * Routines for handling preferences * - * $Id: prefs.c,v 1.9 1998/10/29 15:59:00 gerald Exp $ + * $Id: prefs.c,v 1.80 2002/01/21 07:36:48 guy Exp $ * * Ethereal - Network traffic analyzer - * By Gerald Combs + * By Gerald Combs * 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 @@ -31,139 +30,626 @@ #include #endif -#include - +#include +#include #include #include -#include "ethereal.h" -#include "packet.h" +#ifdef HAVE_UNISTD_H +#include +#endif + +#include + +#include +#include "globals.h" +#include +#include #include "file.h" #include "prefs.h" +#include +#include "column.h" #include "print.h" -#include "filter.h" -#include "util.h" + +#include "prefs-int.h" /* Internal functions */ -static int set_pref(gchar*, gchar*); -static void write_prefs(); -static void prefs_main_ok_cb(GtkWidget *, gpointer); -static void prefs_main_save_cb(GtkWidget *, gpointer); -static void prefs_main_cancel_cb(GtkWidget *, gpointer); +static module_t *find_module(const char *name); +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 int init_prefs = 1; -#define PF_NAME ".ethereal/preferences" +gchar *gui_ptree_line_style_text[] = + { "NONE", "SOLID", "DOTTED", "TABBED", NULL }; + +gchar *gui_ptree_expander_style_text[] = + { "NONE", "SQUARE", "TRIANGLE", "CIRCULAR", NULL }; + +gchar *gui_hex_dump_highlight_style_text[] = + { "BOLD", "INVERSE", NULL }; + +/* + * List of modules with preference settings. + */ +static GList *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); +} + +/* + * Register a module that will have preferences. + * Specify 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(const char *name, const char *title, + void (*apply_cb)(void)) +{ + module_t *module; + const guchar *p; + + module = g_malloc(sizeof (module_t)); + module->name = name; + module->title = title; + module->apply_cb = apply_cb; + module->prefs = NULL; /* no preferences, to start */ + module->numprefs = 0; + module->prefs_changed = FALSE; + + /* + * Make sure that only lower-case ASCII letters, numbers, + * underscores, and dots appear in the module 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 == '.')); + + /* + * 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. + */ + g_assert(find_module(name) == NULL); + + modules = g_list_insert_sorted(modules, module, module_compare_name); + + return module; +} + +/* + * Register that a protocol has preferences. + */ +module_t * +prefs_register_protocol(int id, void (*apply_cb)(void)) +{ + return prefs_register_module(proto_get_protocol_filter_name(id), + proto_get_protocol_short_name(id), + apply_cb); +} + +/* + * 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; + + (*arg->callback)(module, arg->user_data); +} + +/* + * Call a callback function, with a specified argument, for each module. + */ +void +prefs_module_foreach(module_cb callback, gpointer user_data) +{ + module_cb_arg_t arg; + + arg.callback = callback; + arg.user_data = user_data; + g_list_foreach(modules, do_module_callback, &arg); +} + +static void +call_apply_cb(gpointer data, gpointer user_data) +{ + module_t *module = data; -static gchar *pf_path = NULL; + 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_cb(GtkWidget *w, gpointer sp) { - GtkWidget *prefs_w, *main_vb, *top_hb, *bbox, *prefs_nb, - *ok_bt, *save_bt, *cancel_bt; - GtkWidget *print_pg, *filter_pg, *filter_te, *label; -/* GtkWidget *nlabel; */ - gint start_page = (gint) sp; - - prefs_w = gtk_window_new(GTK_WINDOW_TOPLEVEL); - gtk_window_set_title(GTK_WINDOW(prefs_w), "Ethereal: Preferences"); - - /* Container for each row of widgets */ - main_vb = gtk_vbox_new(FALSE, 5); - gtk_container_border_width(GTK_CONTAINER(main_vb), 5); - gtk_container_add(GTK_CONTAINER(prefs_w), main_vb); - gtk_widget_show(main_vb); - - /* Top row: Preferences notebook */ - top_hb = gtk_hbox_new(FALSE, 1); - gtk_container_add(GTK_CONTAINER(main_vb), top_hb); - gtk_widget_show(top_hb); - - prefs_nb = gtk_notebook_new(); - gtk_container_add(GTK_CONTAINER(main_vb), prefs_nb); - gtk_widget_show(prefs_nb); - - /* General prefs */ -/* nlabel = gtk_label_new("Nothing here yet..."); - gtk_widget_show (nlabel); - - label = gtk_label_new ("General"); - gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), nlabel, label); - */ - /* Printing prefs */ - print_pg = printer_prefs_show(); - gtk_object_set_data(GTK_OBJECT(prefs_w), E_PRINT_PAGE_KEY, print_pg); - label = gtk_label_new ("Printing"); - gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), print_pg, label); - - /* Filter prefs */ - filter_te = gtk_object_get_data(GTK_OBJECT(w), E_FILT_TE_PTR_KEY); - filter_pg = filter_prefs_show(filter_te); - - /* Pass along the entry widget pointer from the calling widget */ - gtk_object_set_data(GTK_OBJECT(filter_pg), E_FILT_TE_PTR_KEY, filter_te); - gtk_object_set_data(GTK_OBJECT(prefs_w), E_FILTER_PAGE_KEY, filter_pg); - label = gtk_label_new ("Filters"); - gtk_notebook_append_page (GTK_NOTEBOOK(prefs_nb), filter_pg, label); - - /* Jump to the specified page, if it was supplied */ - if (start_page > E_PR_PG_NONE) - gtk_notebook_set_page(GTK_NOTEBOOK(prefs_nb), start_page); - - /* Button row: OK and cancel buttons */ - bbox = gtk_hbutton_box_new(); - gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), GTK_BUTTONBOX_END); - gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 5); - gtk_container_add(GTK_CONTAINER(main_vb), bbox); - gtk_widget_show(bbox); - - ok_bt = gtk_button_new_with_label ("OK"); - gtk_signal_connect_object(GTK_OBJECT(ok_bt), "clicked", - GTK_SIGNAL_FUNC(prefs_main_ok_cb), GTK_OBJECT(prefs_w)); - GTK_WIDGET_SET_FLAGS(ok_bt, GTK_CAN_DEFAULT); - gtk_box_pack_start (GTK_BOX (bbox), ok_bt, TRUE, TRUE, 0); - gtk_widget_grab_default(ok_bt); - gtk_widget_show(ok_bt); - - save_bt = gtk_button_new_with_label ("Save"); - gtk_signal_connect_object(GTK_OBJECT(save_bt), "clicked", - GTK_SIGNAL_FUNC(prefs_main_save_cb), GTK_OBJECT(prefs_w)); - GTK_WIDGET_SET_FLAGS(save_bt, GTK_CAN_DEFAULT); - gtk_box_pack_start (GTK_BOX (bbox), save_bt, TRUE, TRUE, 0); - gtk_widget_show(save_bt); - - cancel_bt = gtk_button_new_with_label ("Cancel"); - gtk_signal_connect_object(GTK_OBJECT(cancel_bt), "clicked", - GTK_SIGNAL_FUNC(prefs_main_cancel_cb), GTK_OBJECT(prefs_w)); - GTK_WIDGET_SET_FLAGS(cancel_bt, GTK_CAN_DEFAULT); - gtk_box_pack_start (GTK_BOX (bbox), cancel_bt, TRUE, TRUE, 0); - gtk_widget_show(cancel_bt); +prefs_apply_all(void) +{ + g_list_foreach(modules, call_apply_cb, NULL); +} + +/* + * Register a preference in a module's list of preferences. + */ +static pref_t * +register_preference(module_t *module, const char *name, const char *title, + const char *description) +{ + pref_t *preference; + const guchar *p; - gtk_widget_show(prefs_w); + preference = g_malloc(sizeof (pref_t)); + preference->name = name; + preference->title = title; + preference->description = description; + preference->ordinal = module->numprefs; + + /* + * 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); + + /* + * There isn't already one with that name, so add the + * preference. + */ + module->prefs = g_list_append(module->prefs, preference); + 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) +{ + return (find_module(name) != NULL); +} + +/* + * 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) ? m->title : NULL; +} + +/* + * Register a preference with an unsigned integral value. + */ void -prefs_main_ok_cb(GtkWidget *w, gpointer win) { - - printer_prefs_ok(gtk_object_get_data(GTK_OBJECT(win), E_PRINT_PAGE_KEY)); - filter_prefs_ok(gtk_object_get_data(GTK_OBJECT(win), E_FILTER_PAGE_KEY)); - gtk_widget_destroy(GTK_WIDGET(win)); +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); + preference->type = 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); + preference->type = PREF_BOOL; + preference->varp.bool = 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); + preference->type = 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_main_save_cb(GtkWidget *w, gpointer win) { - printer_prefs_save(gtk_object_get_data(GTK_OBJECT(win), E_PRINT_PAGE_KEY)); - filter_prefs_save(gtk_object_get_data(GTK_OBJECT(win), E_FILTER_PAGE_KEY)); - write_prefs(); +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); + preference->type = PREF_STRING; + preference->varp.string = var; + preference->saved_val.string = NULL; } +/* + * Register a preference that used to be supported but no longer is. + */ void -prefs_main_cancel_cb(GtkWidget *w, gpointer win) { +prefs_register_obsolete_preference(module_t *module, const char *name) +{ + pref_t *preference; + + preference = register_preference(module, name, NULL, NULL); + preference->type = PREF_OBSOLETE; +} + +typedef struct { + pref_cb callback; + gpointer user_data; +} pref_cb_arg_t; + +static void +do_pref_callback(gpointer data, gpointer user_data) +{ + pref_t *pref = data; + pref_cb_arg_t *arg = user_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). + */ + return; + } + + (*arg->callback)(pref, arg->user_data); +} + +/* + * Call a callback function, with a specified argument, for each preference + * in a given module. + */ +void +prefs_pref_foreach(module_t *module, pref_cb callback, gpointer user_data) +{ + pref_cb_arg_t arg; + + arg.callback = callback; + arg.user_data = user_data; + g_list_foreach(module->prefs, do_pref_callback, &arg); +} + +/* + * 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); + } +} - printer_prefs_cancel(gtk_object_get_data(GTK_OBJECT(win), E_PRINT_PAGE_KEY)); - filter_prefs_cancel(gtk_object_get_data(GTK_OBJECT(win), E_FILTER_PAGE_KEY)); - gtk_widget_destroy(GTK_WIDGET(win)); +/* + * 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" strings in an entry, the value from that + * entry is returned. 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 = 0; + + while (haystack[i].name != NULL) { + if (strcasecmp(needle, haystack[i].name) == 0) { + return haystack[i].value; + } + i++; + } + 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: @@ -181,39 +667,210 @@ print.file: /a/very/long/path/ * */ -#define MAX_VAR_LEN 32 -#define MAX_VAL_LEN 256 -void -read_prefs() { - enum { START, IN_VAR, PRE_VAL, IN_VAL, IN_SKIP }; - FILE *pf; - gchar cur_var[MAX_VAR_LEN], cur_val[MAX_VAL_LEN]; - int got_c, state = START; - gint var_len = 0, val_len = 0, fline = 1, pline = 1; - - /* Initialize preferences. With any luck, these values will be - overwritten below. */ +#define MAX_VAR_LEN 48 +#define MAX_VAL_LEN 1024 + +#define DEF_NUM_COLS 6 + +static void read_prefs_file(const char *pf_path, FILE *pf); + +/* 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, char **gpf_path_return, + int *pf_errno_return, const char **pf_path_return) +{ + int i; + const 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) { - init_prefs = 0; - 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"); + /* Initialize preferences to wired-in default values. + They may be overridded 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 = 65535; + prefs.st_client_bg.red = 65535; + prefs.st_client_bg.green = 65535; + prefs.st_client_bg.blue = 65535; + 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 = 65535; + prefs.st_server_bg.red = 65535; + prefs.st_server_bg.green = 65535; + prefs.st_server_bg.blue = 65535; + prefs.gui_scrollbar_on_right = TRUE; + prefs.gui_plist_sel_browse = FALSE; + prefs.gui_ptree_sel_browse = FALSE; + prefs.gui_ptree_line_style = 0; + prefs.gui_ptree_expander_style = 1; + prefs.gui_hex_dump_highlight_style = 1; +#ifdef WIN32 + prefs.gui_font_name = g_strdup("-*-lucida console-medium-r-*-*-*-100-*-*-*-*-*-*"); +#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_name = g_strdup("-*-fixed-medium-r-semicondensed-*-*-120-*-*-*-*-iso8859-1"); +#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_main_x = 20; + prefs.gui_geometry_main_y = 20; + prefs.gui_geometry_main_width = DEF_WIDTH; + prefs.gui_geometry_main_height = -1; + +/* set the default values for the capture dialog box */ + prefs.capture_device = NULL; + prefs.capture_prom_mode = TRUE; + prefs.capture_real_time = FALSE; + prefs.capture_auto_scroll = FALSE; + prefs.name_resolve = RESOLV_ALL; } - if (! pf_path) { - pf_path = (gchar *) g_malloc(strlen(getenv("HOME")) + strlen(PF_NAME) + 4); - sprintf(pf_path, "%s/%s", getenv("HOME"), PF_NAME); + /* Construct the pathname of the global preferences file. */ + if (! gpf_path) { + gpf_path = (gchar *) g_malloc(strlen(get_datafile_dir()) + + strlen(GPF_NAME) + 2); + sprintf(gpf_path, "%s" G_DIR_SEPARATOR_S "%s", + get_datafile_dir(), GPF_NAME); } - - if ((pf = fopen(pf_path, "r")) == NULL) { + + /* Read the global preferences file, if it exists. */ + *gpf_path_return = NULL; + if ((pf = fopen(gpf_path, "r")) != NULL) { + /* We succeeded in opening it; read it. */ + read_prefs_file(gpf_path, pf); + 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) { - simple_dialog(ESD_TYPE_WARN, NULL, - "Can't open preferences file\n\"%s\".", pf_path); + *gpf_errno_return = errno; + *gpf_path_return = gpf_path; } - return; } + + /* 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) { + /* We succeeded in opening it; read it. */ + read_prefs_file(pf_path, pf); + 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_path_return = pf_path; + } + } + + return &prefs; +} + +static void +read_prefs_file(const char *pf_path, FILE *pf) +{ + 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; + + /* + * Start out the counters of "mgcp.{tcp,udp}.port" entries we've + * seen. + */ + mgcp_tcp_port_count = 0; + mgcp_udp_port_count = 0; + while ((got_c = getc(pf)) != EOF) { if (got_c == '\n') { state = START; @@ -236,17 +893,38 @@ read_prefs() { switch (state) { case START: if (isalnum(got_c)) { - state = IN_VAR; if (var_len > 0) { - cur_var[var_len] = '\0'; - cur_val[val_len] = '\0'; - if (! set_pref(cur_var, cur_val)) - g_warning ("%s line %d: Bogus preference", pf_path, pline); + if (got_val) { + cur_var[var_len] = '\0'; + cur_val[val_len] = '\0'; + switch (set_pref(cur_var, cur_val)) { + + case PREFS_SET_SYNTAX_ERR: + g_warning ("%s line %d: Syntax error", pf_path, pline); + break; + + case PREFS_SET_NO_SUCH_PREF: + g_warning ("%s line %d: No such preference \"%s\"", pf_path, + pline, cur_var); + 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", pf_path, pline); + } } + state = IN_VAR; + got_val = FALSE; cur_var[0] = got_c; - var_len = 1; + var_len = 1; pline = fline; - } else if (isspace(got_c) && var_len > 0) { + } else if (isspace(got_c) && var_len > 0 && got_val) { state = PRE_VAL; } else if (got_c == '#') { state = IN_SKIP; @@ -259,8 +937,9 @@ read_prefs() { cur_var[var_len] = got_c; var_len++; } else { - state = PRE_VAL; + state = PRE_VAL; val_len = 0; + got_val = TRUE; } break; case PRE_VAL: @@ -271,76 +950,696 @@ read_prefs() { } break; case IN_VAL: - cur_val[val_len] = got_c; - val_len++; + 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) { - cur_var[var_len] = '\0'; - cur_val[val_len] = '\0'; - if (! set_pref(cur_var, cur_val)) - g_warning ("%s line %d: Bogus preference", pf_path, pline); + if (got_val) { + cur_var[var_len] = '\0'; + cur_val[val_len] = '\0'; + switch (set_pref(cur_var, cur_val)) { + + case PREFS_SET_SYNTAX_ERR: + g_warning ("%s line %d: Syntax error", pf_path, pline); + break; + + case PREFS_SET_NO_SUCH_PREF: + g_warning ("%s line %d: No such preference \"%s\"", pf_path, + pline, cur_var); + 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", pf_path, pline); + } } - fclose(pf); } -#define PRS_PRINT_FMT "print.format" -#define PRS_PRINT_DEST "print.destination" -#define PRS_PRINT_FILE "print.file" -#define PRS_PRINT_CMD "print.command" +/* + * Given a string of the form ":", 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) +{ + u_char *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_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 "gui.font_name" +#define PRS_GUI_MARKED_FG "gui.marked_frame.fg" +#define PRS_GUI_MARKED_BG "gui.marked_frame.bg" +#define PRS_GUI_GEOMETRY_SAVE_POSITION "gui.geometry.save.position" +#define PRS_GUI_GEOMETRY_SAVE_SIZE "gui.geometry.save.size" +#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" + +/* + * 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_CAP_NAME_RESOLVE "capture.name_resolve" + +/* values for the capture dialog box */ +#define PRS_CAP_DEVICE "capture.device" +#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 RED_COMPONENT(x) ((((x) >> 16) & 0xff) * 65535 / 255) +#define GREEN_COMPONENT(x) ((((x) >> 8) & 0xff) * 65535 / 255) +#define BLUE_COMPONENT(x) (((x) & 0xff) * 65535 / 255) static gchar *pr_formats[] = { "text", "postscript" }; static gchar *pr_dests[] = { "command", "file" }; -int -set_pref(gchar *pref, gchar *value) { +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 }, +}; + +#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; +} - if (strcmp(pref, PRS_PRINT_FMT) == 0) { +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 0; + return PREFS_SET_SYNTAX_ERR; } - } else if (strcmp(pref, PRS_PRINT_DEST) == 0) { + } 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 0; + return PREFS_SET_SYNTAX_ERR; } - } else if (strcmp(pref, PRS_PRINT_FILE) == 0) { + } 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, PRS_PRINT_CMD) == 0) { + } 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_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_FONT_NAME) == 0) { + if (prefs.gui_font_name != NULL) + g_free(prefs.gui_font_name); + prefs.gui_font_name = 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_MAIN_X) == 0) { + prefs.gui_geometry_main_x = strtol(value, NULL, 10); + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_Y) == 0) { + prefs.gui_geometry_main_y = strtol(value, NULL, 10); + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_WIDTH) == 0) { + prefs.gui_geometry_main_width = strtol(value, NULL, 10); + } else if (strcmp(pref_name, PRS_GUI_GEOMETRY_MAIN_HEIGHT) == 0) { + prefs.gui_geometry_main_height = strtol(value, NULL, 10); + +/* 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_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); + +/* 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 { - return 0; + /* 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. + */ + if (module == NULL) { + if (strcmp(pref_name, "Diameter") == 0) + module = find_module("diameter"); + else if (strcmp(pref_name, "bxxp") == 0) + module = find_module("beep"); + } + *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 (strncmp(pref_name, "mgcp.", 5) == 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 (strncmp(pref_name, "smb.", 4) == 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 (strncmp(pref_name, "ndmp.", 5) == 0) { + /* Handle old names for NDMP preferences. */ + if (strcmp(dotp, "ndmp.desegment") == 0) + pref = find_preference(module, "desegment"); + } else if (strncmp(pref_name, "diameter.", 9) == 0) { + /* Handle old names for Diameter preferences. */ + if (strcmp(dotp, "diameter.desegment") == 0) + pref = find_preference(module, "desegment"); + } + } + 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.bool != bval) { + module->prefs_changed = TRUE; + *pref->varp.bool = 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 (*pref->varp.string == NULL || strcmp(*pref->varp.string, value) != 0) { + module->prefs_changed = TRUE; + if (*pref->varp.string != NULL) + 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 1; + return PREFS_SET_OK; } -void -write_prefs() { - FILE *pf; - - /* To do: Split output lines longer than MAX_VAL_LEN */ +typedef struct { + module_t *module; + FILE *pf; +} write_pref_arg_t; - if (! pf_path) { - pf_path = (gchar *) g_malloc(strlen(getenv("HOME")) + strlen(PF_NAME) + 4); - sprintf(pf_path, "%s/%s", getenv("HOME"), PF_NAME); - } - +/* + * 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.bool ? "TRUE" : "FALSE"); + break; + + case PREF_ENUM: + 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->name; + fprintf(arg->pf, "%s", enum_valp->name); + 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(const char **pf_path_return) +{ + const 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) { - simple_dialog(ESD_TYPE_WARN, NULL, - "Can't open preferences file\n\"%s\".", pf_path); - return; - } + *pf_path_return = pf_path; + return errno; + } fputs("# Configuration file for Ethereal " VERSION ".\n" "#\n" @@ -362,7 +1661,213 @@ write_prefs() { fprintf (pf, "# Output gets piped to this command when the destination " "is set to \"command\"\n" - "%s: %s\n", PRS_PRINT_CMD, prefs.pr_cmd); + "%s: %s\n\n", PRS_PRINT_CMD, prefs.pr_cmd); + + 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, "# Packet list column format. Each pair of strings consists " + "of a column title \n# and its format.\n" + "%s: %s\n\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, "# TCP stream window color preferences. Each value is a six " + "digit hexadecimal 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# Vertical scrollbars should be on right side? TRUE/FALSE\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? TRUE/FALSE\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? TRUE/FALSE\n"); + fprintf(pf, PRS_GUI_PTREE_SEL_BROWSE ": %s\n", + prefs.gui_ptree_sel_browse == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Protocol-tree line style. 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. 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. 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# Font name for packet list, protocol tree, and hex dump panes.\n"); + fprintf(pf, PRS_GUI_FONT_NAME ": %s\n", prefs.gui_font_name); + + fprintf (pf, "\n# Color preferences for a marked frame. Each value is a six " + "digit hexadecimal 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# Save window position at exit? TRUE/FALSE\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? TRUE/FALSE\n"); + fprintf(pf, PRS_GUI_GEOMETRY_SAVE_SIZE ": %s\n", + prefs.gui_geometry_save_size == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# Main window geometry. Decimal integers.\n"); + fprintf(pf, PRS_GUI_GEOMETRY_MAIN_X ": %d\n", prefs.gui_geometry_main_x); + fprintf(pf, PRS_GUI_GEOMETRY_MAIN_Y ": %d\n", prefs.gui_geometry_main_y); + fprintf(pf, PRS_GUI_GEOMETRY_MAIN_WIDTH ": %d\n", + prefs.gui_geometry_main_width); + fprintf(pf, PRS_GUI_GEOMETRY_MAIN_HEIGHT ": %d\n", + prefs.gui_geometry_main_height); + + fprintf(pf, "\n# Resolve addresses to names? TRUE/FALSE/{list of address types to resolve}\n"); + fprintf(pf, PRS_NAME_RESOLVE ": %s\n", + name_resolve_to_string(prefs.name_resolve)); + +/* write the capture options */ + if (prefs.capture_device != NULL) { + fprintf(pf, "\n# Default capture device\n"); + fprintf(pf, PRS_CAP_DEVICE ": %s\n", prefs.capture_device); + } + + fprintf(pf, "\n# Capture in promiscuous mode? TRUE/FALSE\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? TRUE/FALSE\n"); + fprintf(pf, PRS_CAP_REAL_TIME ": %s\n", + prefs.capture_real_time == TRUE ? "TRUE" : "FALSE"); + + fprintf(pf, "\n# scroll packet list during capture? TRUE/FALSE\n"); + fprintf(pf, PRS_CAP_AUTO_SCROLL ": %s\n", + prefs.capture_auto_scroll == TRUE ? "TRUE" : "FALSE"); + + 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_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_font_name = g_strdup(src->gui_font_name); + 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_main_x = src->gui_geometry_main_x; + dest->gui_geometry_main_y = src->gui_geometry_main_y; + dest->gui_geometry_main_width = src->gui_geometry_main_width; + dest->gui_geometry_main_height = src->gui_geometry_main_height; +/* values for the capture dialog box */ + dest->capture_device = g_strdup(src->capture_device); + 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->name_resolve = src->name_resolve; + +} + +/* 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_name != NULL) { + g_free(pr->gui_font_name); + pr->gui_font_name = NULL; + } + if (pr->capture_device != NULL) { + g_free(pr->capture_device); + pr->capture_device = 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; }