/*
* settings.c -- Configuration stuff
*
* Copyright (C) 2005 Mikael Berthe <bmikael@lists.lilotux.net>
*
* 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
*/
#include <strings.h>
#include <stdlib.h>
#include <ctype.h>
#include "settings.h"
#include "commands.h"
#include "utils.h"
#include "logprint.h"
static GSList *option;
static GSList *alias;
static GSList *binding;
typedef struct {
gchar *name;
gchar *value;
} T_setting;
static inline GSList **get_list_ptr(guint type)
{
if (type == SETTINGS_TYPE_OPTION) return &option;
else if (type == SETTINGS_TYPE_ALIAS) return &alias;
else if (type == SETTINGS_TYPE_BINDING) return &binding;
return NULL;
}
// Return a pointer to the node with the requested key, or NULL if none found
static GSList *settings_find(GSList *list, const gchar *key)
{
GSList *ptr;
if (!list) return NULL;
for (ptr = list ; ptr; ptr = g_slist_next(ptr))
if (!strcasecmp(key, ((T_setting*)ptr->data)->name))
break;
return ptr;
}
/* -- */
// cfg_read_file(filename)
// Read and parse config file "filename". If filename is NULL,
// try to open the configuration file at the default locations.
//
int cfg_read_file(char *filename)
{
FILE *fp;
char *buf;
char *line, *eol;
unsigned int ln = 0;
int err = 0;
if (!filename) {
// Use default config file locations
char *home = getenv("HOME");
if (!home) {
scr_LogPrint(LPRINT_LOG, "Can't find home dir!");
fprintf(stderr, "Can't find home dir!\n");
return -1;
}
filename = g_new(char, strlen(home)+24);
sprintf(filename, "%s/.mcabber/mcabberrc", home);
if ((fp = fopen(filename, "r")) == NULL) {
// 2nd try...
sprintf(filename, "%s/.mcabberrc", home);
if ((fp = fopen(filename, "r")) == NULL) {
fprintf(stderr, "Cannot open config file!\n");
return -1;
}
}
// Check configuration file permissions
// As it could contain sensitive data, we make it user-readable only
checkset_perm(filename, TRUE);
// Check mcabber dir. There we just warn, we don't change the modes
sprintf(filename, "%s/.mcabber/", home);
checkset_perm(filename, FALSE);
g_free(filename);
} else {
if ((fp = fopen(filename, "r")) == NULL) {
perror("fopen (cfg_file())");
return -1;
}
// Check configuration file permissions (see above)
checkset_perm(filename, TRUE);
}
buf = g_new(char, 512);
while (fgets(buf+1, 511, fp) != NULL) {
// The first char is reserved to add a '/', to make a command line
line = buf+1;
ln++;
// Strip leading spaces
while (isspace(*line))
line++;
// Make eol point to the last char of the line
for (eol = line ; *eol ; eol++)
;
if (eol > line)
eol--;
// Strip trailing spaces
while (eol > line && isspace(*eol))
*eol-- = 0;
// Ignore empty lines and comments
if ((*line == '\n') || (*line == '\0') || (*line == '#'))
continue;
if ((strchr(line, '=') != NULL)) {
// Only accept the set, alias and bind commands
if (strncmp(line, "set ", 4) &&
strncmp(line, "bind ", 5) &&
strncmp(line, "alias ", 6)) {
scr_LogPrint(LPRINT_LOGNORM,
"Error in configuration file (l. %d): bad command", ln);
err++;
continue;
}
*(--line) = '/'; // Set the leading '/' to build a command line
process_command(line); // Process the command
} else {
scr_LogPrint(LPRINT_LOGNORM,
"Error in configuration file (l. %d): no assignment", ln);
err++;
}
}
g_free(buf);
fclose(fp);
return err;
}
// parse_assigment(assignment, pkey, pval)
// Read assignment and split it to key, value
//
// If this is an assignment, the function will return TRUE and
// set *pkey and *pval (*pval is set to NULL if value field is empty).
//
// If this isn't a assignment (no = char), the function will set *pval
// to NULL and return FALSE.
//
// The called should g_free() *pkey and *pval (if not NULL) after use.
guint parse_assigment(gchar *assignment, const gchar **pkey, const gchar **pval)
{
char *key, *val, *t, *p;
*pkey = *pval = NULL;
key = assignment;
// Remove leading spaces in option name
while ((!isalnum(*key)) && (*key != '=') && *key) {
//if (!isblank(*key))
// scr_LogPrint("Error in assignment parsing!");
key++;
}
if (!*key) return FALSE; // Empty assignment
if (*key == '=') {
//scr_LogPrint("Cannot parse assignment!");
return FALSE;
}
// Ok, key points to the option name
for (val = key+1 ; *val && (*val != '=') ; val++)
if (!isalnum(*val) && !isblank(*val) && (*val != '_') && (*val != '-')) {
// Key should only have alnum chars...
//scr_LogPrint("Error in assignment parsing!");
return FALSE;
}
// Remove trailing spaces in option name:
for (t = val-1 ; t > key && isblank(*t) ; t--)
;
// Check for embedded whitespace characters
for (p = key; p < t; p++) {
if (isblank(*p)) {
//scr_LogPrint("Error in assignment parsing!"
// " (Name should not contain space chars)");
return FALSE;
}
}
*pkey = g_strndup(key, t+1-key);
if (!*val) return FALSE; // Not an assignment
// Remove leading and trailing spaces in option value:
for (val++; *val && isblank(*val) ; val++) ;
for (t = val ; *t ; t++) ;
for (t-- ; t >= val && isblank(*t) ; t--) ;
if (t < val) return TRUE; // no value (variable reset for example)
// If the value begins and ends with quotes ("), these quotes are
// removed and whitespace is not stripped
if ((t>val) && (*val == '"' && *t == '"')) {
val++;
t--;
}
*pval = g_strndup(val, t+1-val);
return TRUE;
}
void settings_set(guint type, const gchar *key, const gchar *value)
{
GSList **plist;
GSList *sptr;
T_setting *setting;
plist = get_list_ptr(type);
if (!plist) return;
sptr = settings_find(*plist, key);
if (sptr) {
// The setting has been found. We will update it or delete it.
setting = (T_setting*)sptr->data;
if (setting->value)
g_free(setting->value);
if (!value) {
// Let's remove the setting
g_free(setting->name);
*plist = g_slist_delete_link(*plist, sptr);
} else {
// Let's update the setting
setting->value = g_strdup(value);
}
} else if (value) {
setting = g_new(T_setting, 1);
setting->name = g_strdup(key);
setting->value = g_strdup(value);
*plist = g_slist_append(*plist, setting);
}
}
void settings_del(guint type, const gchar *key)
{
settings_set(type, key, NULL);
}
const gchar *settings_get(guint type, const gchar *key)
{
GSList **plist;
GSList *sptr;
T_setting *setting;
plist = get_list_ptr(type);
sptr = settings_find(*plist, key);
if (!sptr) return NULL;
setting = (T_setting*)sptr->data;
return setting->value;
}
int settings_get_int(guint type, const gchar *key)
{
const gchar *setval = settings_get(type, key);
if (setval) return atoi(setval);
return 0;
}
// Return the command the key is bound to, or NULL.
const gchar *isbound(int key)
{
gchar asciikey[16];
g_snprintf(asciikey, 15, "%d", key);
return settings_get(SETTINGS_TYPE_BINDING, asciikey);
}
// settings_get_status_msg(status)
// Return a string with the current status message:
// - if there is a user-defined message ("message" option),
// return this message
// - if there is a user-defined message for the given status (and no
// generic user message), it is returned
// - if no message is found, return NULL
const gchar *settings_get_status_msg(enum imstatus status)
{
const gchar *rstatus = settings_opt_get("message");
if (rstatus) return rstatus;
switch(status) {
case available:
rstatus = settings_opt_get("message_avail");
break;
case freeforchat:
rstatus = settings_opt_get("message_free");
break;
case dontdisturb:
rstatus = settings_opt_get("message_dnd");
break;
case notavail:
rstatus = settings_opt_get("message_notavail");
break;
case away:
rstatus = settings_opt_get("message_away");
break;
default: // offline, invisible
break;
}
return rstatus;
}
/* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */