src/gaimrc.c

/*
 * gaim
 *
 * Copyright (C) 1998-1999, Mark Spencer <markster@marko.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 <string.h>
#include <sys/time.h>

#include <sys/types.h>
#include <sys/stat.h>

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "gaim.h"
#include "proxy.h"


struct aim_user *current_user = NULL;
GList *aim_users = NULL;
int general_options;
int display_options;
int sound_options;
int font_options;

int report_idle, web_browser;
struct save_pos blist_pos;
char web_command[2048];
char aim_host[512];
int aim_port;
char login_host[512];
int login_port;


struct parse {
        char option[256];
        char value[6][256];
};

static struct parse *parse_line(char *line)
{
        char *c = line;
        int inopt = 1, inval = 0, curval = -1;
        int optlen = 0, vallen = 0;
        static struct parse p;
        

        while(*c) {
                if (*c == '\t') {
                        c++;
                        continue;
                }
                if (inopt) {
                     //   if ((*c < 'a' || *c > 'z') && *c != '_') {
			  if ((*c < 'a' || *c > 'z') && *c != '_' && (*c < 'A' || *c > 'Z')) {
                                inopt = 0;
                                p.option[optlen] = 0;
                                c++;
                                continue;
                        }

                        p.option[optlen] = *c;
                        optlen++;
                        c++;
                        continue;
                } else if (inval) {
                if ( (*c == '}') ) {
                                if (*(c-1) == '\\') {
                                        p.value[curval][vallen - 1] = *c;
                                        c++;
                                        continue;
                                } else {
                                        p.value[curval][vallen - 1] = 0;
                                        inval = 0;
                                        c++;
                                        continue;
                                }
                        } else {
                        p.value[curval][vallen] = *c;
                        vallen++;
                        c++;
                        continue; }
                } else if (*c == '{') {
			if (*(c-1) == '\\') {
				p.value[curval][vallen-1] = *c;
				c++;
				continue;
			}
			else
			{
                        	curval++;
                        	vallen = 0;
                        	inval = 1;
                        	c++;
                        	c++;
                        	continue;
			}
                }
                c++;
        }
        return &p;
}


static int gaimrc_parse_tag(FILE *f)
{
	char buf[2048];
	char tag[256];
	buf[0] = '#';

	while (buf[0] == '#' && !feof(f))
		fgets(buf, sizeof(buf), f);

	if (feof(f))
		return -1;

	sscanf(buf, "%s {", tag);

	if (!strcmp(tag, "users")) {
		return 0;
	} else if (!strcmp(tag, "options")) {
		return 1;
	} else if (!strcmp(tag, "away")) {
		return 2;
	}

	return -1;
}

void filter_break(char *msg)
{
	char *c;
	int mc;

	c = g_strdup(msg);
	mc = 0;
	while (*c)
	{
		if (*c == '\\') {
			c++;
			msg[mc] = *c; 
		}	
		else {
			msg[mc] = *c;
		}
		mc++;
		c++;
	}
	msg[mc] = 0;
}

static void gaimrc_read_away(FILE *f)
{
	struct parse *p;
	char buf[4096];
	struct away_message *a;

	buf[0] = 0;
	
	while (buf[0] != '}')
	{
		if (!fgets(buf, sizeof(buf), f))
			return;
		
		if (buf[0] == '}')
			return;

		p = parse_line(buf);
		if (!strcmp(p->option, "message"))
		{
			a = g_new0(struct away_message, 1);

			g_snprintf(a->name, sizeof(a->name),  "%s", p->value[0]);
			g_snprintf(a->message, sizeof(a->message), "%s", p->value[1]);
			filter_break(a->message);
			away_messages = g_list_append(away_messages, a);
		}
	}
}

static void gaimrc_write_away(FILE *f)
{
	GList *awy = away_messages;
	struct away_message *a;

	fprintf(f, "away {\n");

	while (awy) {
		char *str1, *str2;

		a = (struct away_message *)awy->data;

		str1 = escape_text2(a->name);
		str2 = escape_text2(a->message);

		fprintf(f, "\tmessage { %s } { %s }\n", str1, str2);

		/* escape_text2 uses malloc(), so we don't want to g_free these */
		free(str1);
		free(str2);

		awy = awy->next;
	}

	fprintf(f, "}\n");
}


static struct aim_user *gaimrc_read_user(FILE *f)
{
        struct parse *p;
        struct aim_user *u;
        char buf[4096];

        if (!fgets(buf, sizeof(buf), f))
                return NULL;

        p = parse_line(buf);

        if (strcmp(p->option, "ident"))
                return NULL;
        
        u = g_new0(struct aim_user, 1);

        strcpy(u->username, p->value[0]);
        strcpy(u->password, p->value[1]);

        u->user_info[0] = 0;

        if (!fgets(buf, sizeof(buf), f))
                return u;

        if (strcmp(buf, "\t\tuser_info {\n")) {
                return u;
        }

        if (!fgets(buf, sizeof(buf), f))
                return u;

        while (strncmp(buf, "\t\t}", 3)) {
                if (strlen(buf) > 3)
                        strcat(u->user_info, &buf[3]);

                if (!fgets(buf, sizeof(buf), f)) {
                        return u;
                }
        }

        return u;
        
}

static void gaimrc_write_user(FILE *f, struct aim_user *u)
{
        char *c;
        int nl = 1;;
        fprintf(f, "\t\tident { %s } { %s }\n", u->username, u->password);
        fprintf(f, "\t\tuser_info {");
        c = u->user_info;
        while(*c) {
                /* This is not as silly as it looks. */
                if (*c == '\n') {
                        nl++;
                } else {
                        if (nl) {
                                while(nl) {
                                        fprintf(f, "\n\t\t\t");
                                        nl--;
                                }
                        }
                        fprintf(f, "%c", *c);
                }
                c++;
        }
        fprintf(f, "\n\t\t}\n");
        
}


static void gaimrc_read_users(FILE *f)
{
	char buf[2048];
        struct aim_user *u;
        struct parse *p;
        int cur = 0;

	buf[0] = 0;

	while (buf[0] != '}') {
		if (buf[0] == '#')
			continue;
		
		if (!fgets(buf, sizeof(buf), f))
			return;


                p = parse_line(buf);

                if (!strcmp(p->option, "current_user")) {
                        cur = 1;;
                } else if (strcmp(p->option, "user")) {
                        continue;
                }

                u = gaimrc_read_user(f);

                if (cur)
                        current_user = u;
                
                aim_users = g_list_append(aim_users, u);
	}
}

static void gaimrc_write_users(FILE *f)
{
	GList *usr = aim_users;
	struct aim_user *u;

	fprintf(f, "users {\n");
	
	while(usr) {
                u = (struct aim_user *)usr->data;
                if (current_user == u) {
                        fprintf(f, "\tcurrent_user {\n");
                } else {
                        fprintf(f, "\tuser {\n");
                }
                gaimrc_write_user(f, u);

                fprintf(f, "\t}\n");
                
		usr = usr->next;
        }

	fprintf(f, "}\n");
}


static void gaimrc_read_options(FILE *f)
{
	char buf[2048];
        struct parse *p;

        buf[0] = 0;
        
	while (buf[0] != '}') {
		if (buf[0] == '#')
			continue;
		
		if (!fgets(buf, sizeof(buf), f))
			return;

                p = parse_line(buf);
                
                if (!strcmp(p->option, "general_options")) {
                        general_options = atoi(p->value[0]);
                } else if (!strcmp(p->option, "display_options")) {
                        display_options = atoi(p->value[0]);
                } else if (!strcmp(p->option, "sound_options")) {
                        sound_options = atoi(p->value[0]);
		} else if (!strcmp(p->option, "font_options")) {
			font_options = atoi(p->value[0]);
                } else if (!strcmp(p->option, "report_idle")) {
                        report_idle = atoi(p->value[0]);
                } else if (!strcmp(p->option, "web_browser")) {
                        web_browser = atoi(p->value[0]);
                } else if (!strcmp(p->option, "web_command")) {
                        strcpy(web_command, p->value[0]);
                } else if (!strcmp(p->option, "proxy_type")) {
                        proxy_type = atoi(p->value[0]);
                } else if (!strcmp(p->option, "proxy_host")) {
                        strcpy(proxy_host, p->value[0]);
                } else if (!strcmp(p->option, "proxy_port")) {
                        proxy_port = atoi(p->value[0]);
                } else if (!strcmp(p->option, "aim_host")) {
                        strcpy(aim_host, p->value[0]);
                } else if (!strcmp(p->option, "aim_port")) {
                        aim_port = atoi(p->value[0]);
                } else if (!strcmp(p->option, "login_host")) {
                        strcpy(login_host, p->value[0]);
                } else if (!strcmp(p->option, "login_port")) {
                        login_port = atoi(p->value[0]);
                } else if (!strcmp(p->option, "blist_pos")) {
                        blist_pos.x = atoi(p->value[0]);
                        blist_pos.y = atoi(p->value[1]);
                        blist_pos.width = atoi(p->value[2]);
                        blist_pos.height = atoi(p->value[3]);
                        blist_pos.xoff = atoi(p->value[4]);
                        blist_pos.yoff = atoi(p->value[5]);
                }

        }

}

static void gaimrc_write_options(FILE *f)
{

	fprintf(f, "options {\n");
        fprintf(f, "\tgeneral_options { %d }\n", general_options);
        fprintf(f, "\tdisplay_options { %d }\n", display_options);
        fprintf(f, "\tsound_options { %d }\n", sound_options);
	fprintf(f, "\tfont_options { %d }\n", font_options);
        fprintf(f, "\treport_idle { %d }\n", report_idle);
        fprintf(f, "\tweb_browser { %d }\n", web_browser);
        fprintf(f, "\tweb_command { %s }\n", web_command);
        fprintf(f, "\tproxy_type { %d }\n", proxy_type);
        fprintf(f, "\tproxy_host { %s }\n", proxy_host);
        fprintf(f, "\tproxy_port { %d }\n", proxy_port);
        fprintf(f, "\taim_host { %s }\n", aim_host);
        fprintf(f, "\taim_port { %d }\n", aim_port);
        fprintf(f, "\tlogin_host { %s }\n", login_host);
        fprintf(f, "\tlogin_port { %d }\n", login_port);
        fprintf(f, "\tblist_pos { %d } { %d } { %d } { %d } { %d } { %d }\n",
                blist_pos.x, blist_pos.y, blist_pos.width, blist_pos.height,
                blist_pos.xoff, blist_pos.yoff);
	fprintf(f, "}\n");
}


void set_defaults()
{
        general_options =
                OPT_GEN_SEND_LINKS |
                OPT_GEN_ENTER_SENDS |
                OPT_GEN_SAVED_WINDOWS |
                OPT_GEN_REMEMBER_PASS |
		OPT_GEN_REGISTERED;
        display_options =
                OPT_DISP_SHOW_IDLETIME |
                OPT_DISP_SHOW_TIME |
                OPT_DISP_SHOW_PIXMAPS |
                OPT_DISP_SHOW_BUTTON_XPM;
	font_options = 0; 
        sound_options = OPT_SOUND_LOGIN | OPT_SOUND_LOGOUT | OPT_SOUND_RECV | OPT_SOUND_SEND;
        report_idle = IDLE_GAIM;
        web_browser = BROWSER_NETSCAPE;
        proxy_type = PROXY_NONE;
        
	aim_port = TOC_PORT;
	login_port = AUTH_PORT;
	g_snprintf(aim_host, sizeof(aim_host), "%s", TOC_HOST);
    	g_snprintf(login_host, sizeof(login_host), "%s", AUTH_HOST);
        proxy_host[0] = 0;
        proxy_port = 0;
        g_snprintf(web_command, sizeof(web_command), "xterm -e lynx %%s");
        blist_pos.width = 0;
        blist_pos.height = 0;
        blist_pos.x = 0;
        blist_pos.y = 0;
        blist_pos.xoff = 0;
        blist_pos.yoff = 0;
}


void load_prefs()
{
	FILE *f;
	char buf[1024];
	int ver = 0;
	
        if (getenv("HOME")) {
                g_snprintf(buf, sizeof(buf), "%s/.gaimrc", getenv("HOME"));
		if ((f = fopen(buf,"r"))) {
			fgets(buf, sizeof(buf), f);
			sscanf(buf, "# .gaimrc v%d", &ver);
			if ( (ver <= 1) || (buf[0] != '#')) {
                                fclose(f);
				set_defaults();
				save_prefs();
				load_prefs();
                                return;
			}
			while(!feof(f)) {
				switch(gaimrc_parse_tag(f)) {
				case -1:
					/* Let the loop end, EOF*/
					break;
				case 0:
					gaimrc_read_users(f);
					break;
				case 1:
					gaimrc_read_options(f);
                                        break;
                                case 2:
                                        gaimrc_read_away(f);
                                        break;
				default:
					/* NOOP */
					break;
				}
			}
			fclose(f);
		}
	}
	
}

void save_prefs()
{
	FILE *f;
	char buf[BUF_LONG];

	if (getenv("HOME")) {
		g_snprintf(buf, sizeof(buf), "%s/.gaimrc", getenv("HOME"));
		if ((f = fopen(buf,"w"))) {
			fprintf(f, "# .gaimrc v%d\n", 2);
			gaimrc_write_users(f);
                        gaimrc_write_options(f);
                        gaimrc_write_away(f);
                        fclose(f);
                        chmod(buf, S_IRUSR | S_IWUSR);
                }
                
	}
}