masqmail-0.2

annotate src/queue.c @ 80:e5090ac234cf

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refactoring plus one small bugfix replaced deep nested conditionals with early exits fixed a small bug in the same go (Note: it is bad to fix bugs during refactoring): The SMTP_HELO case did not break in case of error. Now it does.
author meillo@marmaro.de
date Sat, 19 Jun 2010 11:11:28 +0200
parents f671821d8222
children 83a182793503
rev   line source
meillo@0 1 /* MasqMail
meillo@0 2 Copyright (C) 1999-2001 Oliver Kurth
meillo@0 3
meillo@0 4 This program is free software; you can redistribute it and/or modify
meillo@0 5 it under the terms of the GNU General Public License as published by
meillo@0 6 the Free Software Foundation; either version 2 of the License, or
meillo@0 7 (at your option) any later version.
meillo@0 8
meillo@0 9 This program is distributed in the hope that it will be useful,
meillo@0 10 but WITHOUT ANY WARRANTY; without even the implied warranty of
meillo@0 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
meillo@0 12 GNU General Public License for more details.
meillo@0 13
meillo@0 14 You should have received a copy of the GNU General Public License
meillo@0 15 along with this program; if not, write to the Free Software
meillo@0 16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
meillo@0 17 */
meillo@0 18
meillo@0 19 #include <sys/stat.h>
meillo@0 20 #include <glob.h>
meillo@0 21
meillo@15 22 #include "masqmail.h"
meillo@15 23
meillo@10 24 static void
meillo@10 25 mix_arr(int *buf, int len)
meillo@0 26 {
meillo@10 27 int i;
meillo@0 28
meillo@10 29 for (i = 0; i < len; i++)
meillo@10 30 buf[i] = i;
meillo@10 31 for (i = 0; i < len - 1; i++) {
meillo@10 32 int j = (int) ((float) (len - i) * ((float) rand()) / (RAND_MAX + 1.0));
meillo@10 33 int tmp;
meillo@0 34
meillo@10 35 if (i != j) {
meillo@10 36 tmp = buf[i];
meillo@10 37 buf[i] = buf[j];
meillo@10 38 buf[j] = tmp;
meillo@10 39 }
meillo@10 40 }
meillo@0 41 }
meillo@0 42
meillo@10 43 GList*
meillo@10 44 read_queue(gboolean do_readdata)
meillo@0 45 {
meillo@10 46 GList *msg_list = NULL;
meillo@10 47 glob_t gl;
meillo@10 48 gchar *pattern;
meillo@10 49 int i, *idx_arr;
meillo@0 50
meillo@38 51 /* Escaping the question marks prevents them from being
meillo@38 52 interpreted as trigraphs */
meillo@38 53 pattern = g_strdup_printf("%s/input/?????\?-??\?-?\?-H", conf.spool_dir);
meillo@10 54 gl.gl_offs = 0;
meillo@10 55 glob(pattern, 0, NULL, &gl);
meillo@0 56
meillo@10 57 g_free(pattern);
meillo@0 58
meillo@10 59 DEBUG(4) {
meillo@10 60 int i;
meillo@10 61 for (i = 0; i < gl.gl_pathc; i++) {
meillo@10 62 debugf("spoolfile: %s\n", gl.gl_pathv[i]);
meillo@10 63 }
meillo@10 64 }
meillo@0 65
meillo@10 66 idx_arr = g_malloc(sizeof(int) * gl.gl_pathc);
meillo@10 67 mix_arr(idx_arr, gl.gl_pathc);
meillo@0 68
meillo@10 69 for (i = 0; i < gl.gl_pathc; i++) {
meillo@10 70 gchar *uid;
meillo@0 71
meillo@10 72 /* copy 13 chars, offset spooldir path + 7 chars for /input/ */
meillo@10 73 /* uid length = 6 chars + '-' + 3 chars + '-' + 2 = 13 chars */
meillo@10 74 uid = g_strndup(&(gl.gl_pathv[idx_arr[i]][strlen(conf.spool_dir) + 7]), 13);
meillo@0 75
meillo@10 76 DEBUG(5) debugf("uid: %s\n", uid);
meillo@0 77
meillo@10 78 msg_list = g_list_append(msg_list, msg_spool_read(uid, do_readdata));
meillo@0 79
meillo@10 80 DEBUG(5) debugf("after read spool file for %s\n", uid);
meillo@0 81
meillo@10 82 g_free(uid);
meillo@10 83 }
meillo@10 84 return msg_list;
meillo@0 85 }
meillo@0 86
meillo@10 87 gboolean
meillo@10 88 queue_run()
meillo@0 89 {
meillo@10 90 GList *msg_list;
meillo@10 91 gboolean ok = TRUE;
meillo@0 92
meillo@10 93 logwrite(LOG_NOTICE, "Starting queue run.\n");
meillo@0 94
meillo@10 95 msg_list = read_queue(FALSE);
meillo@0 96
meillo@10 97 if (msg_list != NULL) {
meillo@10 98 ok = deliver_msg_list(msg_list, DLVR_ALL);
meillo@10 99 destroy_msg_list(msg_list);
meillo@10 100 }
meillo@10 101 logwrite(LOG_NOTICE, "Finished queue run.\n");
meillo@0 102
meillo@10 103 return ok;
meillo@0 104 }
meillo@0 105
meillo@10 106 gboolean
meillo@10 107 queue_run_online()
meillo@0 108 {
meillo@10 109 GList *msg_list = read_queue(FALSE);
meillo@10 110 gboolean ok = TRUE;
meillo@0 111
meillo@10 112 logwrite(LOG_NOTICE, "Starting online queue run.\n");
meillo@10 113 if (msg_list != NULL) {
meillo@10 114 ok = deliver_msg_list(msg_list, DLVR_ONLINE);
meillo@10 115 destroy_msg_list(msg_list);
meillo@10 116 }
meillo@10 117 logwrite(LOG_NOTICE, "Finished online queue run.\n");
meillo@0 118
meillo@10 119 return ok;
meillo@0 120 }
meillo@0 121
meillo@10 122 static gchar*
meillo@10 123 format_difftime(double secs)
meillo@0 124 {
meillo@10 125 if (secs > 86400)
meillo@10 126 return g_strdup_printf("%.1fd", secs / 86400);
meillo@10 127 else if (secs > 3600)
meillo@10 128 return g_strdup_printf("%.1fh", secs / 3600);
meillo@10 129 else if (secs > 60)
meillo@10 130 return g_strdup_printf("%.1fm", secs / 60);
meillo@10 131 else
meillo@10 132 return g_strdup_printf("%.0fs", secs);
meillo@10 133 }
meillo@0 134
meillo@10 135 void
meillo@10 136 queue_list()
meillo@0 137 {
meillo@10 138 GList *msg_list;
meillo@10 139 GList *msg_node;
meillo@0 140
meillo@10 141 msg_list = read_queue(FALSE);
meillo@0 142
meillo@10 143 if (msg_list != NULL) {
meillo@10 144 foreach(msg_list, msg_node) {
meillo@10 145 message *msg = (message *) (msg_node->data);
meillo@10 146 GList *rcpt_node;
meillo@10 147 gchar *size_str = NULL;
meillo@10 148 gchar *time_str = NULL;
meillo@10 149 gchar *host_str = NULL;
meillo@10 150 gchar *ident_str = NULL;
meillo@0 151
meillo@10 152 if (msg->data_size >= 0)
meillo@10 153 size_str = g_strdup_printf(" size=%d", msg->data_size);
meillo@10 154 if (msg->received_time > 0) {
meillo@10 155 gchar *tmp_str;
meillo@10 156 time_str = g_strdup_printf(" age=%s", tmp_str = format_difftime(difftime(time(NULL), msg->received_time)));
meillo@10 157 g_free(tmp_str);
meillo@10 158 }
meillo@10 159 if (msg->received_host != NULL)
meillo@10 160 host_str = g_strdup_printf(" host=%s", msg->received_host);
meillo@10 161 if (msg->ident != NULL)
meillo@10 162 ident_str = g_strdup_printf(" ident=%s", msg->ident);
meillo@0 163
meillo@10 164 printf("%s <= %s%s%s%s%s\n", msg->uid, addr_string(msg->return_path), size_str ? size_str : "",
meillo@10 165 time_str ? time_str : "", host_str ? host_str : "", ident_str ? ident_str : "");
meillo@0 166
meillo@10 167 if (size_str)
meillo@10 168 g_free(size_str);
meillo@10 169 if (time_str)
meillo@10 170 g_free(time_str);
meillo@10 171 if (host_str)
meillo@10 172 g_free(host_str);
meillo@10 173 if (ident_str)
meillo@10 174 g_free(ident_str);
meillo@0 175
meillo@10 176 foreach(msg->rcpt_list, rcpt_node) {
meillo@10 177 address *rcpt = (address *) (rcpt_node->data);
meillo@10 178
meillo@10 179 printf(" %s %s\n", addr_is_delivered(rcpt) ? "=>" : (addr_is_failed(rcpt) ? "!=" : "=="), addr_string(rcpt));
meillo@10 180 }
meillo@10 181 g_free(msg);
meillo@10 182 }
meillo@10 183 } else
meillo@10 184 printf("mail queue is empty.\n");
meillo@10 185 }
meillo@10 186
meillo@10 187 gboolean
meillo@10 188 queue_delete(gchar * uid)
meillo@0 189 {
meillo@10 190 gboolean hdr_ok = TRUE;
meillo@10 191 gboolean dat_ok = TRUE;
meillo@10 192 gchar *hdr_name = g_strdup_printf("%s/input/%s-H", conf.spool_dir, uid);
meillo@10 193 gchar *dat_name = g_strdup_printf("%s/input/%s-D", conf.spool_dir, uid);
meillo@10 194 struct stat stat_buf;
meillo@0 195
meillo@10 196 if (spool_lock(uid)) {
meillo@0 197
meillo@10 198 if (stat(hdr_name, &stat_buf) == 0) {
meillo@10 199 if (unlink(hdr_name) != 0) {
meillo@10 200 fprintf(stderr, "could not unlink %s: %s\n", hdr_name, strerror(errno));
meillo@10 201 hdr_ok = FALSE;
meillo@10 202 }
meillo@10 203 } else {
meillo@10 204 fprintf(stderr, "could not stat file %s: %s\n", hdr_name, strerror(errno));
meillo@10 205 hdr_ok = FALSE;
meillo@10 206 }
meillo@10 207 if (stat(dat_name, &stat_buf) == 0) {
meillo@10 208 if (unlink(dat_name) != 0) {
meillo@10 209 fprintf(stderr, "could not unlink %s: %s\n", dat_name, strerror(errno));
meillo@10 210 dat_ok = FALSE;
meillo@10 211 }
meillo@10 212 } else {
meillo@10 213 fprintf(stderr, "could not stat file %s: %s\n", dat_name, strerror(errno));
meillo@10 214 dat_ok = FALSE;
meillo@10 215 }
meillo@10 216 printf("message %s deleted\n", uid);
meillo@0 217
meillo@10 218 spool_unlock(uid);
meillo@0 219
meillo@10 220 } else {
meillo@0 221
meillo@10 222 fprintf(stderr, "message %s is locked.\n", uid);
meillo@10 223 return FALSE;
meillo@10 224 }
meillo@0 225
meillo@10 226 return (dat_ok && hdr_ok);
meillo@0 227 }