-/* Conky, a system monitor, based on torsmo
+/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=c
+ *
+ * Conky, a system monitor, based on torsmo
*
* Any original torsmo code is licensed under the BSD license
*
* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
- * Copyright (c) 2005-2008 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
*
*/
+#include "config.h"
+#include "conky.h"
+#include "common.h"
+#include "logging.h"
+#include "mail.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
+#include <sys/param.h>
#include <dirent.h>
#include <errno.h>
+#include <termios.h>
-#include "conky.h"
+/* MAX() is defined by a header included from conky.h
+ * maybe once this is not true anymore, so have an alternative
+ * waiting to drop in.
+ *
+ * #define MAX(a, b) ((a > b) ? a : b)
+ */
char *current_mail_spool;
mail->last_update = current_update_time;
}
- if (stat(mail->box, &st)) {
- static int rep;
+ if (stat(mail->mbox, &st)) {
+ static int rep = 0;
if (!rep) {
- ERR("can't stat %s: %s", mail->box, strerror(errno));
+ NORM_ERR("can't stat %s: %s", mail->mbox, strerror(errno));
rep = 1;
}
return;
DIR *dir;
char *dirname;
struct dirent *dirent;
+ char *mailflags;
mail->mail_count = mail->new_mail_count = 0;
- dirname = (char *) malloc(sizeof(char) * (strlen(mail->box) + 5));
+ mail->seen_mail_count = mail->unseen_mail_count = 0;
+ mail->flagged_mail_count = mail->unflagged_mail_count = 0;
+ mail->forwarded_mail_count = mail->unforwarded_mail_count = 0;
+ mail->replied_mail_count = mail->unreplied_mail_count = 0;
+ mail->draft_mail_count = mail->trashed_mail_count = 0;
+ dirname = (char *) malloc(sizeof(char) * (strlen(mail->mbox) + 5));
if (!dirname) {
- ERR("malloc");
+ NORM_ERR("malloc");
return;
}
- strcpy(dirname, mail->box);
+ strcpy(dirname, mail->mbox);
strcat(dirname, "/");
/* checking the cur subdirectory */
strcat(dirname, "cur");
dir = opendir(dirname);
if (!dir) {
- ERR("cannot open directory");
+ NORM_ERR("cannot open directory");
free(dirname);
return;
}
/* . and .. are skipped */
if (dirent->d_name[0] != '.') {
mail->mail_count++;
+ mailflags = (char *) malloc(sizeof(char) * strlen(strrchr(dirent->d_name, ',')));
+ if (!mailflags) {
+ NORM_ERR("malloc");
+ free(dirname);
+ return;
+ }
+ strcpy(mailflags, strrchr(dirent->d_name, ','));
+ if (!strchr(mailflags, 'T')) { /* The message is not in the trash */
+ if (strchr(mailflags, 'S')) { /*The message has been seen */
+ mail->seen_mail_count++;
+ } else {
+ mail->unseen_mail_count++;
+ }
+ if (strchr(mailflags, 'F')) { /*The message was flagged */
+ mail->flagged_mail_count++;
+ } else {
+ mail->unflagged_mail_count++;
+ }
+ if (strchr(mailflags, 'P')) { /*The message was forwarded */
+ mail->forwarded_mail_count++;
+ } else {
+ mail->unforwarded_mail_count++;
+ }
+ if (strchr(mailflags, 'R')) { /*The message was replied */
+ mail->replied_mail_count++;
+ } else {
+ mail->unreplied_mail_count++;
+ }
+ if (strchr(mailflags, 'D')) { /*The message is a draft */
+ mail->draft_mail_count++;
+ }
+ } else {
+ mail->trashed_mail_count++;
+ }
+ free(mailflags);
}
dirent = readdir(dir);
}
dir = opendir(dirname);
if (!dir) {
- ERR("cannot open directory");
+ NORM_ERR("cannot open directory");
free(dirname);
return;
}
if (dirent->d_name[0] != '.') {
mail->new_mail_count++;
mail->mail_count++;
+ mail->unseen_mail_count++; /* new messages cannot have been seen */
}
dirent = readdir(dir);
}
mail->new_mail_count = mail->mail_count = 0;
- fp = open_file(mail->box, &rep);
+ /* these flags are not supported for mbox */
+ mail->seen_mail_count = mail->unseen_mail_count = -1;
+ mail->flagged_mail_count = mail->unflagged_mail_count = -1;
+ mail->forwarded_mail_count = mail->unforwarded_mail_count = -1;
+ mail->replied_mail_count = mail->unreplied_mail_count = -1;
+ mail->draft_mail_count = mail->trashed_mail_count = -1;
+
+ fp = open_file(mail->mbox, &rep);
if (!fp) {
return;
}
while (!feof(fp)) {
char buf[128];
+ int was_new = 0;
if (fgets(buf, 128, fp) == NULL) {
break;
/* ignore MAILER-DAEMON */
if (strncmp(buf + 5, "MAILER-DAEMON ", 14) != 0) {
mail->mail_count++;
+ was_new = 0;
- if (reading_status) {
+ if (reading_status == 1) {
mail->new_mail_count++;
} else {
reading_status = 1;
}
}
} else {
- if (reading_status
+ if (reading_status == 1
&& strncmp(buf, "X-Mozilla-Status:", 17) == 0) {
+ int xms = strtol(buf + 17, NULL, 16);
+ /* check that mail isn't marked for deletion */
+ if (xms & 0x0008) {
+ mail->trashed_mail_count++;
+ reading_status = 0;
+ /* Don't check whether the trashed email is unread */
+ continue;
+ }
/* check that mail isn't already read */
- if (strchr(buf + 21, '0')) {
+ if (!(xms & 0x0001)) {
mail->new_mail_count++;
+ was_new = 1;
}
- reading_status = 0;
+ /* check for an additional X-Status header */
+ reading_status = 2;
continue;
}
- if (reading_status && strncmp(buf, "Status:", 7) == 0) {
+ if (reading_status == 1 && strncmp(buf, "Status:", 7) == 0) {
/* check that mail isn't already read */
if (strchr(buf + 7, 'R') == NULL) {
mail->new_mail_count++;
+ was_new = 1;
+ }
+
+ reading_status = 2;
+ continue;
+ }
+ if (reading_status >= 1 && strncmp(buf, "X-Status:", 9) == 0) {
+ /* check that mail isn't marked for deletion */
+ if (strchr(buf + 9, 'D') != NULL) {
+ mail->trashed_mail_count++;
+ /* If the mail was previously detected as new,
+ subtract it from the new mail count */
+ if (was_new)
+ mail->new_mail_count--;
}
reading_status = 0;
mail->last_mtime = st.st_mtime;
}
}
+
+#define MAXDATASIZE 1000
+
+struct mail_s *parse_mail_args(char type, const char *arg)
+{
+ struct mail_s *mail;
+ char *tmp;
+
+ mail = malloc(sizeof(struct mail_s));
+ memset(mail, 0, sizeof(struct mail_s));
+
+ if (sscanf(arg, "%128s %128s %128s", mail->host, mail->user, mail->pass)
+ != 3) {
+ if (type == POP3_TYPE) {
+ NORM_ERR("Scanning POP3 args failed");
+ } else if (type == IMAP_TYPE) {
+ NORM_ERR("Scanning IMAP args failed");
+ }
+ return 0;
+ }
+ // see if password needs prompting
+ if (mail->pass[0] == '*' && mail->pass[1] == '\0') {
+ int fp = fileno(stdin);
+ struct termios term;
+
+ tcgetattr(fp, &term);
+ term.c_lflag &= ~ECHO;
+ tcsetattr(fp, TCSANOW, &term);
+ printf("Enter mailbox password (%s@%s): ", mail->user, mail->host);
+ scanf("%128s", mail->pass);
+ printf("\n");
+ term.c_lflag |= ECHO;
+ tcsetattr(fp, TCSANOW, &term);
+ }
+ // now we check for optional args
+ tmp = strstr(arg, "-r ");
+ if (tmp) {
+ tmp += 3;
+ sscanf(tmp, "%u", &mail->retries);
+ } else {
+ mail->retries = 5; // 5 retries after failure
+ }
+ tmp = strstr(arg, "-i ");
+ if (tmp) {
+ tmp += 3;
+ sscanf(tmp, "%f", &mail->interval);
+ } else {
+ mail->interval = 300; // 5 minutes
+ }
+ tmp = strstr(arg, "-p ");
+ if (tmp) {
+ tmp += 3;
+ sscanf(tmp, "%lu", &mail->port);
+ } else {
+ if (type == POP3_TYPE) {
+ mail->port = 110; // default pop3 port
+ } else if (type == IMAP_TYPE) {
+ mail->port = 143; // default imap port
+ }
+ }
+ if (type == IMAP_TYPE) {
+ tmp = strstr(arg, "-f ");
+ if (tmp) {
+ tmp += 3;
+ sscanf(tmp, "%s", mail->folder);
+ } else {
+ strncpy(mail->folder, "INBOX", 128); // default imap inbox
+ }
+ }
+ tmp = strstr(arg, "-e ");
+ if (tmp) {
+ int len = 1024;
+ tmp += 3;
+
+ if (tmp[0] == '\'') {
+ len = strstr(tmp + 1, "'") - tmp - 1;
+ if (len > 1024) {
+ len = 1024;
+ }
+ }
+ strncpy(mail->command, tmp + 1, len);
+ } else {
+ mail->command[0] = '\0';
+ }
+ mail->p_timed_thread = NULL;
+ return mail;
+}
+
+int imap_command(int sockfd, const char *command, char *response, const char *verify)
+{
+ struct timeval fetchtimeout;
+ fd_set fdset;
+ int res, numbytes = 0;
+ if (send(sockfd, command, strlen(command), 0) == -1) {
+ perror("send");
+ return -1;
+ }
+ fetchtimeout.tv_sec = 60; // 60 second timeout i guess
+ fetchtimeout.tv_usec = 0;
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ res = select(sockfd + 1, &fdset, NULL, NULL, &fetchtimeout);
+ if (res > 0) {
+ if ((numbytes = recv(sockfd, response, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv");
+ return -1;
+ }
+ }
+ DBGP2("imap_command() command: %s", command);
+ DBGP2("imap_command() received: %s", response);
+ response[numbytes] = '\0';
+ if (strstr(response, verify) == NULL) {
+ return -1;
+ }
+ return 0;
+}
+
+int imap_check_status(char *recvbuf, struct mail_s *mail)
+{
+ char *reply;
+ reply = strstr(recvbuf, " (MESSAGES ");
+ if (!reply || strlen(reply) < 2) {
+ return -1;
+ }
+ reply += 2;
+ *strchr(reply, ')') = '\0';
+ if (reply == NULL) {
+ NORM_ERR("Error parsing IMAP response: %s", recvbuf);
+ return -1;
+ } else {
+ timed_thread_lock(mail->p_timed_thread);
+ sscanf(reply, "MESSAGES %lu UNSEEN %lu", &mail->messages,
+ &mail->unseen);
+ timed_thread_unlock(mail->p_timed_thread);
+ }
+ return 0;
+}
+
+void imap_unseen_command(struct mail_s *mail, unsigned long old_unseen, unsigned long old_messages)
+{
+ if (strlen(mail->command) > 1 && (mail->unseen > old_unseen
+ || (mail->messages > old_messages && mail->unseen > 0))) {
+ // new mail goodie
+ if (system(mail->command) == -1) {
+ perror("system()");
+ }
+ }
+}
+
+void *imap_thread(void *arg)
+{
+ int sockfd, numbytes;
+ char recvbuf[MAXDATASIZE];
+ char sendbuf[MAXDATASIZE];
+ unsigned int fail = 0;
+ unsigned long old_unseen = ULONG_MAX;
+ unsigned long old_messages = ULONG_MAX;
+ struct stat stat_buf;
+ struct hostent he, *he_res = 0;
+ int he_errno;
+ char hostbuff[2048];
+ struct sockaddr_in their_addr; // connector's address information
+ struct mail_s *mail = (struct mail_s *)arg;
+ int has_idle = 0;
+ int threadfd = timed_thread_readfd(mail->p_timed_thread);
+
+#ifdef HAVE_GETHOSTBYNAME_R
+ if (gethostbyname_r(mail->host, &he, hostbuff, sizeof(hostbuff), &he_res, &he_errno)) { // get the host info
+ NORM_ERR("IMAP gethostbyname_r: %s", hstrerror(h_errno));
+ exit(EXIT_FAILURE);
+ }
+#else /* HAVE_GETHOSTBYNAME_R */
+ if ((he_res = gethostbyname(mail->host)) == NULL) { // get the host info
+ herror("gethostbyname");
+ exit(EXIT_FAILURE);
+ }
+#endif /* HAVE_GETHOSTBYNAME_R */
+ while (fail < mail->retries) {
+ struct timeval fetchtimeout;
+ int res;
+ fd_set fdset;
+
+ if (fail > 0) {
+ NORM_ERR("Trying IMAP connection again for %s@%s (try %u/%u)",
+ mail->user, mail->host, fail + 1, mail->retries);
+ }
+ do {
+ if ((sockfd = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
+ perror("socket");
+ fail++;
+ break;
+ }
+
+ // host byte order
+ their_addr.sin_family = AF_INET;
+ // short, network byte order
+ their_addr.sin_port = htons(mail->port);
+ their_addr.sin_addr = *((struct in_addr *) he_res->h_addr);
+ // zero the rest of the struct
+ memset(&(their_addr.sin_zero), '\0', 8);
+
+ if (connect(sockfd, (struct sockaddr *) &their_addr,
+ sizeof(struct sockaddr)) == -1) {
+ perror("connect");
+ fail++;
+ break;
+ }
+
+ fetchtimeout.tv_sec = 60; // 60 second timeout i guess
+ fetchtimeout.tv_usec = 0;
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ res = select(sockfd + 1, &fdset, NULL, NULL, &fetchtimeout);
+ if (res > 0) {
+ if ((numbytes = recv(sockfd, recvbuf, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv");
+ fail++;
+ break;
+ }
+ } else {
+ NORM_ERR("IMAP connection failed: timeout");
+ fail++;
+ break;
+ }
+ recvbuf[numbytes] = '\0';
+ DBGP2("imap_thread() received: %s", recvbuf);
+ if (strstr(recvbuf, "* OK") != recvbuf) {
+ NORM_ERR("IMAP connection failed, probably not an IMAP server");
+ fail++;
+ break;
+ }
+ strncpy(sendbuf, "abc CAPABILITY\r\n", MAXDATASIZE);
+ if (imap_command(sockfd, sendbuf, recvbuf, "abc OK")) {
+ fail++;
+ break;
+ }
+ if (strstr(recvbuf, " IDLE ") != NULL) {
+ has_idle = 1;
+ }
+
+ strncpy(sendbuf, "a1 login ", MAXDATASIZE);
+ strncat(sendbuf, mail->user, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, " ", MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, mail->pass, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, "\r\n", MAXDATASIZE - strlen(sendbuf) - 1);
+ if (imap_command(sockfd, sendbuf, recvbuf, "a1 OK")) {
+ fail++;
+ break;
+ }
+
+ strncpy(sendbuf, "a2 STATUS ", MAXDATASIZE);
+ strncat(sendbuf, mail->folder, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, " (MESSAGES UNSEEN)\r\n",
+ MAXDATASIZE - strlen(sendbuf) - 1);
+ if (imap_command(sockfd, sendbuf, recvbuf, "a2 OK")) {
+ fail++;
+ break;
+ }
+
+ if (imap_check_status(recvbuf, mail)) {
+ fail++;
+ break;
+ }
+ imap_unseen_command(mail, old_unseen, old_messages);
+ fail = 0;
+ old_unseen = mail->unseen;
+ old_messages = mail->messages;
+
+ if (has_idle) {
+ strncpy(sendbuf, "a4 SELECT ", MAXDATASIZE);
+ strncat(sendbuf, mail->folder, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, "\r\n", MAXDATASIZE - strlen(sendbuf) - 1);
+ if (imap_command(sockfd, sendbuf, recvbuf, "a4 OK")) {
+ fail++;
+ break;
+ }
+
+ strncpy(sendbuf, "a5 IDLE\r\n", MAXDATASIZE);
+ if (imap_command(sockfd, sendbuf, recvbuf, "+ idling")) {
+ fail++;
+ break;
+ }
+ recvbuf[0] = '\0';
+
+ while (1) {
+ /*
+ * RFC 2177 says we have to re-idle every 29 minutes.
+ * We'll do it every 20 minutes to be safe.
+ */
+ fetchtimeout.tv_sec = 1200;
+ fetchtimeout.tv_usec = 0;
+ DBGP2("idling...");
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ FD_SET(threadfd, &fdset);
+ res = select(MAX(sockfd + 1, threadfd + 1), &fdset, NULL, NULL, NULL);
+ if (timed_thread_test(mail->p_timed_thread, 1) || (res == -1 && errno == EINTR) || FD_ISSET(threadfd, &fdset)) {
+ if ((fstat(sockfd, &stat_buf) == 0) && S_ISSOCK(stat_buf.st_mode)) {
+ /* if a valid socket, close it */
+ close(sockfd);
+ }
+ timed_thread_exit(mail->p_timed_thread);
+ } else if (res > 0) {
+ if ((numbytes = recv(sockfd, recvbuf, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv idling");
+ fail++;
+ break;
+ }
+ } else {
+ fail++;
+ break;
+ }
+ recvbuf[numbytes] = '\0';
+ DBGP2("imap_thread() received: %s", recvbuf);
+ if (strlen(recvbuf) > 2) {
+ unsigned long messages, recent;
+ char *buf = recvbuf;
+ char force_check = 0;
+ buf = strstr(buf, "EXISTS");
+ while (buf && strlen(buf) > 1 && strstr(buf + 1, "EXISTS")) {
+ buf = strstr(buf + 1, "EXISTS");
+ }
+ if (buf) {
+ // back up until we reach '*'
+ while (buf >= recvbuf && buf[0] != '*') {
+ buf--;
+ }
+ if (sscanf(buf, "* %lu EXISTS\r\n", &messages) == 1) {
+ timed_thread_lock(mail->p_timed_thread);
+ if (mail->messages != messages) {
+ force_check = 1;
+ mail->messages = messages;
+ }
+ timed_thread_unlock(mail->p_timed_thread);
+ }
+ }
+ buf = recvbuf;
+ buf = strstr(buf, "RECENT");
+ while (buf && strlen(buf) > 1 && strstr(buf + 1, "RECENT")) {
+ buf = strstr(buf + 1, "RECENT");
+ }
+ if (buf) {
+ // back up until we reach '*'
+ while (buf >= recvbuf && buf[0] != '*') {
+ buf--;
+ }
+ if (sscanf(buf, "* %lu RECENT\r\n", &recent) != 1) {
+ recent = 0;
+ }
+ }
+ /*
+ * check if we got a FETCH from server, recent was
+ * something other than 0, or we had a timeout
+ */
+ buf = recvbuf;
+ if (recent > 0 || (buf && strstr(buf, " FETCH ")) || fetchtimeout.tv_sec == 0 || force_check) {
+ // re-check messages and unseen
+ if (imap_command(sockfd, "DONE\r\n", recvbuf, "a5 OK")) {
+ fail++;
+ break;
+ }
+ strncpy(sendbuf, "a2 STATUS ", MAXDATASIZE);
+ strncat(sendbuf, mail->folder, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, " (MESSAGES UNSEEN)\r\n",
+ MAXDATASIZE - strlen(sendbuf) - 1);
+ if (imap_command(sockfd, sendbuf, recvbuf, "a2 OK")) {
+ fail++;
+ break;
+ }
+ if (imap_check_status(recvbuf, mail)) {
+ fail++;
+ break;
+ }
+ strncpy(sendbuf, "a5 IDLE\r\n", MAXDATASIZE);
+ if (imap_command(sockfd, sendbuf, recvbuf, "+ idling")) {
+ fail++;
+ break;
+ }
+ }
+ /*
+ * check if we got a BYE from server
+ */
+ buf = recvbuf;
+ if (buf && strstr(buf, "* BYE")) {
+ // need to re-connect
+ break;
+ }
+ } else {
+ fail++;
+ break;
+ }
+ imap_unseen_command(mail, old_unseen, old_messages);
+ fail = 0;
+ old_unseen = mail->unseen;
+ old_messages = mail->messages;
+ }
+ if (fail) break;
+ } else {
+ strncpy(sendbuf, "a3 logout\r\n", MAXDATASIZE);
+ if (send(sockfd, sendbuf, strlen(sendbuf), 0) == -1) {
+ perror("send a3");
+ fail++;
+ break;
+ }
+ fetchtimeout.tv_sec = 60; // 60 second timeout i guess
+ fetchtimeout.tv_usec = 0;
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ res = select(sockfd + 1, &fdset, NULL, NULL, &fetchtimeout);
+ if (res > 0) {
+ if ((numbytes = recv(sockfd, recvbuf, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv a3");
+ fail++;
+ break;
+ }
+ }
+ recvbuf[numbytes] = '\0';
+ DBGP2("imap_thread() received: %s", recvbuf);
+ if (strstr(recvbuf, "a3 OK") == NULL) {
+ NORM_ERR("IMAP logout failed: %s", recvbuf);
+ fail++;
+ break;
+ }
+ }
+ } while (0);
+ if ((fstat(sockfd, &stat_buf) == 0) && S_ISSOCK(stat_buf.st_mode)) {
+ /* if a valid socket, close it */
+ close(sockfd);
+ }
+ if (timed_thread_test(mail->p_timed_thread, 0)) {
+ timed_thread_exit(mail->p_timed_thread);
+ }
+ }
+ mail->unseen = 0;
+ mail->messages = 0;
+ return 0;
+}
+
+int pop3_command(int sockfd, const char *command, char *response, const char *verify)
+{
+ struct timeval fetchtimeout;
+ fd_set fdset;
+ int res, numbytes = 0;
+ if (send(sockfd, command, strlen(command), 0) == -1) {
+ perror("send");
+ return -1;
+ }
+ fetchtimeout.tv_sec = 60; // 60 second timeout i guess
+ fetchtimeout.tv_usec = 0;
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ res = select(sockfd + 1, &fdset, NULL, NULL, &fetchtimeout);
+ if (res > 0) {
+ if ((numbytes = recv(sockfd, response, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv");
+ return -1;
+ }
+ }
+ DBGP2("pop3_command() received: %s", response);
+ response[numbytes] = '\0';
+ if (strstr(response, verify) == NULL) {
+ return -1;
+ }
+ return 0;
+}
+
+void *pop3_thread(void *arg)
+{
+ int sockfd, numbytes;
+ char recvbuf[MAXDATASIZE];
+ char sendbuf[MAXDATASIZE];
+ char *reply;
+ unsigned int fail = 0;
+ unsigned long old_unseen = ULONG_MAX;
+ struct stat stat_buf;
+ struct hostent he, *he_res = 0;
+ int he_errno;
+ char hostbuff[2048];
+ struct sockaddr_in their_addr; // connector's address information
+ struct mail_s *mail = (struct mail_s *)arg;
+
+#ifdef HAVE_GETHOSTBYNAME_R
+ if (gethostbyname_r(mail->host, &he, hostbuff, sizeof(hostbuff), &he_res, &he_errno)) { // get the host info
+ NORM_ERR("POP3 gethostbyname_r: %s", hstrerror(h_errno));
+ exit(EXIT_FAILURE);
+ }
+#else /* HAVE_GETHOSTBYNAME_R */
+ if ((he_res = gethostbyname(mail->host)) == NULL) { // get the host info
+ herror("gethostbyname");
+ exit(EXIT_FAILURE);
+ }
+#endif /* HAVE_GETHOSTBYNAME_R */
+ while (fail < mail->retries) {
+ struct timeval fetchtimeout;
+ int res;
+ fd_set fdset;
+
+ if (fail > 0) {
+ NORM_ERR("Trying POP3 connection again for %s@%s (try %u/%u)",
+ mail->user, mail->host, fail + 1, mail->retries);
+ }
+ do {
+ if ((sockfd = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
+ perror("socket");
+ fail++;
+ break;
+ }
+
+ // host byte order
+ their_addr.sin_family = AF_INET;
+ // short, network byte order
+ their_addr.sin_port = htons(mail->port);
+ their_addr.sin_addr = *((struct in_addr *) he_res->h_addr);
+ // zero the rest of the struct
+ memset(&(their_addr.sin_zero), '\0', 8);
+
+ if (connect(sockfd, (struct sockaddr *) &their_addr,
+ sizeof(struct sockaddr)) == -1) {
+ perror("connect");
+ fail++;
+ break;
+ }
+
+ fetchtimeout.tv_sec = 60; // 60 second timeout i guess
+ fetchtimeout.tv_usec = 0;
+ FD_ZERO(&fdset);
+ FD_SET(sockfd, &fdset);
+ res = select(sockfd + 1, &fdset, NULL, NULL, &fetchtimeout);
+ if (res > 0) {
+ if ((numbytes = recv(sockfd, recvbuf, MAXDATASIZE - 1, 0)) == -1) {
+ perror("recv");
+ fail++;
+ break;
+ }
+ } else {
+ NORM_ERR("POP3 connection failed: timeout\n");
+ fail++;
+ break;
+ }
+ DBGP2("pop3_thread received: %s", recvbuf);
+ recvbuf[numbytes] = '\0';
+ if (strstr(recvbuf, "+OK ") != recvbuf) {
+ NORM_ERR("POP3 connection failed, probably not a POP3 server");
+ fail++;
+ break;
+ }
+ strncpy(sendbuf, "USER ", MAXDATASIZE);
+ strncat(sendbuf, mail->user, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, "\r\n", MAXDATASIZE - strlen(sendbuf) - 1);
+ if (pop3_command(sockfd, sendbuf, recvbuf, "+OK ")) {
+ fail++;
+ break;
+ }
+
+ strncpy(sendbuf, "PASS ", MAXDATASIZE);
+ strncat(sendbuf, mail->pass, MAXDATASIZE - strlen(sendbuf) - 1);
+ strncat(sendbuf, "\r\n", MAXDATASIZE - strlen(sendbuf) - 1);
+ if (pop3_command(sockfd, sendbuf, recvbuf, "+OK ")) {
+ NORM_ERR("POP3 server login failed: %s", recvbuf);
+ fail++;
+ break;
+ }
+
+ strncpy(sendbuf, "STAT\r\n", MAXDATASIZE);
+ if (pop3_command(sockfd, sendbuf, recvbuf, "+OK ")) {
+ perror("send STAT");
+ fail++;
+ break;
+ }
+
+ // now we get the data
+ reply = recvbuf + 4;
+ if (reply == NULL) {
+ NORM_ERR("Error parsing POP3 response: %s", recvbuf);
+ fail++;
+ break;
+ } else {
+ timed_thread_lock(mail->p_timed_thread);
+ sscanf(reply, "%lu %lu", &mail->unseen, &mail->used);
+ timed_thread_unlock(mail->p_timed_thread);
+ }
+
+ strncpy(sendbuf, "QUIT\r\n", MAXDATASIZE);
+ if (pop3_command(sockfd, sendbuf, recvbuf, "+OK")) {
+ NORM_ERR("POP3 logout failed: %s", recvbuf);
+ fail++;
+ break;
+ }
+
+ if (strlen(mail->command) > 1 && mail->unseen > old_unseen) {
+ // new mail goodie
+ if (system(mail->command) == -1) {
+ perror("system()");
+ }
+ }
+ fail = 0;
+ old_unseen = mail->unseen;
+ } while (0);
+ if ((fstat(sockfd, &stat_buf) == 0) && S_ISSOCK(stat_buf.st_mode)) {
+ /* if a valid socket, close it */
+ close(sockfd);
+ }
+ if (timed_thread_test(mail->p_timed_thread, 0)) {
+ timed_thread_exit(mail->p_timed_thread);
+ }
+ }
+ mail->unseen = 0;
+ mail->used = 0;
+ return 0;
+}
+