1 /*
2 **  MasqMail
3 **  Copyright (C) 1999-2001 Oliver Kurth
4 **  Copyright (C) 2010 markus schnalke <meillo@marmaro.de>
5 **
6 **  This program is free software; you can redistribute it and/or modify
7 **  it under the terms of the GNU General Public License as published by
8 **  the Free Software Foundation; either version 2 of the License, or
9 **  (at your option) any later version.
10 **
11 **  This program is distributed in the hope that it will be useful,
12 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 **  GNU General Public License for more details.
15 **
16 **  You should have received a copy of the GNU General Public License
17 **  along with this program; if not, write to the Free Software
18 **  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
20 
21 #include <sys/stat.h>
22 #include <glob.h>
23 
24 #include "masqmail.h"
25 
26 static void
mix_arr(int * buf,int len)27 mix_arr(int *buf, int len)
28 {
29 	int i;
30 
31 	for (i = 0; i < len; i++)
32 		buf[i] = i;
33 	for (i = 0; i < len - 1; i++) {
34 		int j = (int) ((float) (len - i) * ((float) rand()) / (RAND_MAX + 1.0));
35 		int tmp;
36 
37 		if (i != j) {
38 			tmp = buf[i];
39 			buf[i] = buf[j];
40 			buf[j] = tmp;
41 		}
42 	}
43 }
44 
45 GList*
read_queue(void)46 read_queue(void)
47 {
48 	GList *msg_list = NULL;
49 	glob_t gl;
50 	gchar *pattern;
51 	int i, *idx_arr;
52 
53 	/*
54 	**  Escaping the question marks prevents them from being
55 	**  interpreted as trigraphs
56 	*/
57 	pattern = g_strdup_printf("%s/?????\?-??\?-?\?-H", conf.spool_dir);
58 	gl.gl_offs = 0;
59 	glob(pattern, 0, NULL, &gl);
60 
61 	g_free(pattern);
62 
63 	DEBUG(4) {
64 		int i;
65 		for (i = 0; i < gl.gl_pathc; i++) {
66 			debugf("spoolfile: %s\n", gl.gl_pathv[i]);
67 		}
68 	}
69 
70 	idx_arr = g_malloc(sizeof(int) * gl.gl_pathc);
71 	mix_arr(idx_arr, gl.gl_pathc);
72 
73 	for (i = 0; i < gl.gl_pathc; i++) {
74 		gchar *uid;
75 
76 		/* copy 13 chars, offset spooldir path + 1 char for / */
77 		/* uid length = 6 chars + '-' + 3 chars + '-' + 2 = 13 chars */
78 		uid = g_strndup(&(gl.gl_pathv[idx_arr[i]][strlen(conf.spool_dir) + 1]), 13);
79 
80 		DEBUG(5) debugf("uid: %s\n", uid);
81 
82 		msg_list = g_list_append(msg_list, msg_spool_read(uid));
83 
84 		DEBUG(5) debugf("after read spool file for %s\n", uid);
85 
86 		g_free(uid);
87 	}
88 	return msg_list;
89 }
90 
91 gboolean
queue_run()92 queue_run()
93 {
94 	GList *msg_list;
95 	gboolean ok = TRUE;
96 
97 	logwrite(LOG_NOTICE, "Starting queue run.\n");
98 	msg_list = read_queue();
99 	if (msg_list) {
100 		ok = deliver_msg_list(msg_list, DLVR_ALL);
101 		DEBUG(5) debugf("  deliver_msg_list() returned: %d\n", ok);
102 		destroy_msg_list(msg_list);
103 	}
104 	logwrite(LOG_NOTICE, "Finished queue run.\n");
105 
106 	return ok;
107 }
108 
109 gboolean
queue_run_online()110 queue_run_online()
111 {
112 	GList *msg_list;
113 	gboolean ok = TRUE;
114 
115 	logwrite(LOG_NOTICE, "Starting online queue run.\n");
116 	msg_list = read_queue();
117 	if (msg_list) {
118 		ok = deliver_msg_list(msg_list, DLVR_ONLINE);
119 		DEBUG(5) debugf("  deliver_msg_list() returned: %d\n", ok);
120 		destroy_msg_list(msg_list);
121 	}
122 	logwrite(LOG_NOTICE, "Finished online queue run.\n");
123 
124 	return ok;
125 }
126 
127 static gchar*
format_difftime(double secs)128 format_difftime(double secs)
129 {
130 	if (secs > 86400)
131 		return g_strdup_printf("%.1fd", secs / 86400);
132 	else if (secs > 3600)
133 		return g_strdup_printf("%.1fh", secs / 3600);
134 	else if (secs > 60)
135 		return g_strdup_printf("%.1fm", secs / 60);
136 	else
137 		return g_strdup_printf("%.0fs", secs);
138 }
139 
140 void
queue_list()141 queue_list()
142 {
143 	GList *msg_list;
144 	GList *msg_node;
145 
146 	msg_list = read_queue();
147 
148 	if (msg_list == NULL) {
149 		printf("mail queue is empty.\n");
150 		return;
151 	}
152 
153 	foreach(msg_list, msg_node) {
154 		message *msg = (message *) (msg_node->data);
155 		GList *rcpt_node;
156 		gchar *size_str = NULL;
157 		gchar *time_str = NULL;
158 		gchar *host_str = NULL;
159 		gchar *ident_str = NULL;
160 
161 		if (msg->data_size >= 0)
162 			size_str = g_strdup_printf(" size=%d", msg->data_size);
163 		if (msg->received_time > 0) {
164 			gchar *tmp_str;
165 			time_str = g_strdup_printf(" age=%s", tmp_str = format_difftime(difftime(time(NULL), msg->received_time)));
166 			g_free(tmp_str);
167 		}
168 		if (msg->received_host != NULL)
169 			host_str = g_strdup_printf(" host=%s", msg->received_host);
170 		if (msg->ident != NULL)
171 			ident_str = g_strdup_printf(" ident=%s", msg->ident);
172 
173 		printf("%s <= %s%s%s%s%s\n", msg->uid, addr_string(msg->return_path), size_str ? size_str : "",
174 		       time_str ? time_str : "", host_str ? host_str : "", ident_str ? ident_str : "");
175 
176 		if (size_str)
177 			g_free(size_str);
178 		if (time_str)
179 			g_free(time_str);
180 		if (host_str)
181 			g_free(host_str);
182 		if (ident_str)
183 			g_free(ident_str);
184 
185 		foreach(msg->rcpt_list, rcpt_node) {
186 			address *rcpt = (address *) (rcpt_node->data);
187 
188 			printf("              %s %s\n", addr_is_delivered(rcpt) ? "=>" : (addr_is_failed(rcpt) ? "!=" : "=="), addr_string(rcpt));
189 		}
190 		g_free(msg);
191 	}
192 }
193 
194 gboolean
queue_delete(gchar * uid)195 queue_delete(gchar *uid)
196 {
197 	gboolean hdr_ok = TRUE;
198 	gboolean dat_ok = TRUE;
199 	gchar *hdr_name = g_strdup_printf("%s/%s-H", conf.spool_dir, uid);
200 	gchar *dat_name = g_strdup_printf("%s/%s-D", conf.spool_dir, uid);
201 	struct stat stat_buf;
202 
203 	if (!spool_lock(uid)) {
204 		fprintf(stderr, "message %s is locked.\n", uid);
205 		return FALSE;
206 	}
207 
208 	if (stat(hdr_name, &stat_buf) == 0) {
209 		if (unlink(hdr_name) != 0) {
210 			fprintf(stderr, "could not unlink %s: %s\n", hdr_name, strerror(errno));
211 			hdr_ok = FALSE;
212 		}
213 	} else {
214 		fprintf(stderr, "could not stat file %s: %s\n", hdr_name, strerror(errno));
215 		hdr_ok = FALSE;
216 	}
217 	if (stat(dat_name, &stat_buf) == 0) {
218 		if (unlink(dat_name) != 0) {
219 			fprintf(stderr, "could not unlink %s: %s\n", dat_name, strerror(errno));
220 			dat_ok = FALSE;
221 		}
222 	} else {
223 		fprintf(stderr, "could not stat file %s: %s\n", dat_name, strerror(errno));
224 		dat_ok = FALSE;
225 	}
226 	printf("message %s deleted\n", uid);
227 
228 	spool_unlock(uid);
229 
230 	return (dat_ok && hdr_ok);
231 }
232