summary refs log tree commit diff stats
path: root/plugins/xdcc/xdcc.c
blob: d26eb43bb573f6b0d6e593ca8df8bb6bdaf647fb (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
/* xchat 2.0 plugin: simple xdcc server example */

#include <glib.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>

#ifndef WIN32
#include <unistd.h>
#endif

#include "hexchat-plugin.h"
#include "../../src/common/hexchat.h"

static xchat_plugin *ph;	/* plugin handle */

static int xdcc_on = 1;
static int xdcc_slots = 3;
static GSList *file_list = 0;

typedef struct fileoffer
{
	char *file;
	char *fullpath;
	char *desc;
	int downloads;
} fileoffer;


/* find the number of open dccs */

static int num_open_dccs(void)
{
	xchat_list *list;
	int num = 0;

	list = xchat_list_get(ph, "dcc");
	if(!list)
		return 0;

	while(xchat_list_next(ph, list))
	{
		/* check only ACTIVE dccs */
		if(xchat_list_int(ph, list, "status") == 1)
		{
			/* check only SEND dccs */
			if(xchat_list_int(ph, list, "type") == 0)
				num++;
		}
	}

	xchat_list_free(ph, list);

	return num;
}

static void xdcc_get(char *nick, char *host, char *arg)
{
	int num;
	GSList *list;
	fileoffer *offer;

	if(arg[0] == '#')
		arg++;

	num = atoi(arg);
	list = g_slist_nth(file_list, num - 1);
	if(!list)
	{
		xchat_commandf(ph, "quote NOTICE %s :No such file number #%d!", nick, num);
		return;
	}

	if(num_open_dccs() >= xdcc_slots)
	{
		xchat_commandf(ph, "quote NOTICE %s :All slots full. Try again later.", nick);
		return;
	}

	offer = (fileoffer *) list->data;
	offer->downloads++;
	xchat_commandf(ph, "quote NOTICE %s :Sending offer #%d %s", nick, num, offer->file);
	xchat_commandf(ph, "dcc send %s %s", nick, offer->fullpath);
}

static void xdcc_del(char *name)
{
	GSList *list;
	fileoffer *offer;

	list = file_list;
	while(list)
	{
		offer = (fileoffer *) list->data;
		if(strcasecmp(name, offer->file) == 0)
		{
			file_list = g_slist_remove(file_list, offer);
			xchat_printf(ph, "%s [%s] removed.\n", offer->file, offer->fullpath);
			free(offer->file);
			free(offer->desc);
			free(offer->fullpath);
			free(offer);
			return;
		}
		list = list->next;
	}
}

static void xdcc_add(char *name, char *fullpath, char *desc, int dl)
{
	fileoffer *offer;

	offer = (fileoffer *) malloc(sizeof(fileoffer));
	offer->file = strdup(name);
	offer->desc = strdup(desc);
	offer->fullpath = strdup(fullpath);
	offer->downloads = dl;

	file_list = g_slist_append(file_list, offer);
}

static void xdcc_list(char *nick, char *host, char *arg, char *cmd)
{
	GSList *list;
	int i = 0;
	fileoffer *offer;

	xchat_commandf(ph, "%s %s :XDCC List:", cmd, nick);
	list = file_list;
	while(list)
	{
		i++;
		offer = (fileoffer *) list->data;
		xchat_commandf(ph, "%s %s :[#%d] %s - %s [%d dl]", cmd,
							nick, i, offer->file, offer->desc, offer->downloads);
		list = list->next;
	}

	if(i == 0)
		xchat_commandf(ph, "%s %s :- list empty.", cmd, nick);
	else
		xchat_commandf(ph, "%s %s :%d files listed.", cmd, nick, i);
}

static int xdcc_command(char *word[], char *word_eol[], void *userdata)
{
	if(strcasecmp(word[2], "ADD") == 0)
	{
		if(!word_eol[5][0])
			xchat_print(ph, "Syntax: /XDCC ADD <name> <path> <description>\n");
		else
		{
			if(access(word[4], R_OK) == 0)
			{
				xdcc_add(word[3], word[4], word_eol[5], 0);
				xchat_printf(ph, "%s [%s] added.\n", word[3], word[4]);
			}
			else
				xchat_printf(ph, "Cannot read %s\n", word[4]);
		}
		return XCHAT_EAT_XCHAT;
	}

	if(strcasecmp(word[2], "DEL") == 0)
	{
		xdcc_del(word[3]);
		return XCHAT_EAT_XCHAT;
	}

	if(strcasecmp(word[2], "SLOTS") == 0)
	{
		if(word[3][0])
		{
			xdcc_slots = atoi(word[3]);
			xchat_printf(ph, "XDCC slots set to %d\n", xdcc_slots);
		} else
		{
			xchat_printf(ph, "XDCC slots: %d\n", xdcc_slots);
		}
		return XCHAT_EAT_XCHAT;
	}

	if(strcasecmp(word[2], "ON") == 0)
	{
		xdcc_on = TRUE;
		xchat_print(ph, "XDCC now ON\n");
		return XCHAT_EAT_XCHAT;
	}

	if(strcasecmp(word[2], "LIST") == 0)
	{
		xdcc_list("", "", "", "echo");
		return XCHAT_EAT_XCHAT;
	}

	if(strcasecmp(word[2], "OFF") == 0)
	{
		xdcc_on = FALSE;
		xchat_print(ph, "XDCC now OFF\n");
		return XCHAT_EAT_XCHAT;
	}

	xchat_print(ph, "Syntax: XDCC ADD <name> <fullpath> <description>\n"
						 "        XDCC DEL <name>\n"
						 "        XDCC SLOTS <number>\n"
						 "        XDCC LIST\n"
						 "        XDCC ON\n"
						 "        XDCC OFF\n\n");

	return XCHAT_EAT_XCHAT;
}

static void xdcc_remote(char *from, char *msg)
{
  	char *ex, *nick, *host;

	ex = strchr(from, '!');
	if(!ex)
		return;
	ex[0] = 0;
	nick = from;
	host = ex + 1;

	if(xdcc_on == 0)
	{
		xchat_commandf(ph, "notice %s XDCC is turned OFF!", from);
		return;
	}

	if(strncasecmp(msg, "LIST", 4) == 0)
		xdcc_list(nick, host, msg + 4, "quote notice");
	else if(strncasecmp(msg, "GET ", 4) == 0)
		xdcc_get(nick, host, msg + 4);
	else
		xchat_commandf(ph, "notice %s Unknown XDCC command!", from);
}

static int ctcp_cb(char *word[], void *userdata)
{
  	char *msg = word[1];
	char *from = word[2];

	if(strncasecmp(msg, "XDCC ", 5) == 0)
		xdcc_remote(from, msg + 5);

	return XCHAT_EAT_NONE;
}

static void xdcc_save(void)
{
	char buf[512];
	FILE *fp;
	GSList *list;
	fileoffer *offer;

	snprintf(buf, sizeof(buf), "%s/xdcclist.conf", xchat_get_info(ph, "xchatdir"));

	fp = fopen(buf, "w");
	if(!fp)
		return;

	list = file_list;
	while(list)
	{
		offer = (fileoffer *) list->data;
		fprintf(fp, "%s\n%s\n%s\n%d\n\n\n", offer->file, offer->fullpath,
							 offer->desc, offer->downloads);
		list = list->next;
	}

	fclose(fp);
}

static void xdcc_load(void)
{
	char buf[512];
	char file[128];
	char path[128];
	char desc[128];
	char dl[128];
	FILE *fp;

	snprintf(buf, sizeof(buf), "%s/xdcclist.conf", xchat_get_info(ph, "xchatdir"));

	fp = fopen(buf, "r");
	if(!fp)
		return;

	while(fgets(file, sizeof(file), fp))
	{
		file[strlen(file)-1] = 0;
		fgets(path, sizeof(path), fp);
		path[strlen(path)-1] = 0;
		fgets(desc, sizeof(desc), fp);
		desc[strlen(desc)-1] = 0;
		fgets(dl, sizeof(dl), fp);
		dl[strlen(dl)-1] = 0;
		fgets(buf, sizeof(buf), fp);
		fgets(buf, sizeof(buf), fp);
		xdcc_add(file, path, desc, atoi(dl));
	}

	fclose(fp);
}

int xchat_plugin_deinit(void)
{
	xdcc_save();
	xchat_print(ph, "XDCC List saved\n");
	return 1;
}

int xchat_plugin_init(xchat_plugin *plugin_handle,
				char **plugin_name, char **plugin_desc, char **plugin_version,
				char *arg)
{
	ph = plugin_handle;

	*plugin_name = "XDCC";
	*plugin_desc = "Very simple XDCC server";
	*plugin_version = "0.1";

	xchat_hook_command(ph, "XDCC", HEXCHAT_PRI_NORM, xdcc_command, 0, 0);
	xchat_hook_print(ph, "CTCP Generic", HEXCHAT_PRI_NORM, ctcp_cb, 0);
	xchat_hook_print(ph, "CTCP Generic to Channel", HEXCHAT_PRI_NORM, ctcp_cb, 0);

	xdcc_load();
	xchat_print(ph, "XDCC loaded. Type /XDCC for help.\n");

	return 1;
}