* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
- * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
#define POP3_TYPE 1
#define IMAP_TYPE 2
+#define MAXSIZE 1024
+
struct mail_s { // for imap and pop3
unsigned long unseen;
unsigned long messages;
unsigned int retries;
float interval;
double last_update;
- char host[128];
- char user[128];
- char pass[128];
- char command[1024];
- char folder[128];
+ char host[MAXSIZE];
+ char user[MAXSIZE];
+ char pass[MAXSIZE];
+ char command[MAXSIZE];
+ char folder[MAXSIZE];
timed_thread *p_timed_thread;
char secure;
};
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)
+#define lenstr "%1023s"
+ if (sscanf(arg, lenstr " " lenstr " " lenstr, mail->host, mail->user, mail->pass)
!= 3) {
if (type == POP3_TYPE) {
NORM_ERR("Scanning POP3 args failed");
term.c_lflag &= ~ECHO;
tcsetattr(fp, TCSANOW, &term);
printf("Enter mailbox password (%s@%s): ", mail->user, mail->host);
- scanf("%128s", mail->pass);
+ scanf(lenstr, mail->pass);
+#undef lenstr
printf("\n");
term.c_lflag |= ECHO;
tcsetattr(fp, TCSANOW, &term);
if (type == IMAP_TYPE) {
tmp = strstr(arg, "-f ");
if (tmp) {
- int len = 1024;
+ int len = MAXSIZE - 1;
tmp += 3;
if (tmp[0] == '\'') {
- len = strstr(tmp + 1, "'") - tmp - 1;
- if (len > 1024) {
- len = 1024;
+ len = strstr(tmp + 1, "'") - tmp;
+ if (len > MAXSIZE) {
+ len = MAXSIZE;
}
}
- strncpy(mail->folder, tmp + 1, len);
+ strncpy(mail->folder, tmp + 1, len - 1);
} else {
- strncpy(mail->folder, "INBOX", 128); // default imap inbox
+ strncpy(mail->folder, "INBOX", MAXSIZE - 1); // default imap inbox
}
}
tmp = strstr(arg, "-e ");
if (tmp) {
- int len = 1024;
+ int len = MAXSIZE - 1;
tmp += 3;
if (tmp[0] == '\'') {
- len = strstr(tmp + 1, "'") - tmp - 1;
- if (len > 1024) {
- len = 1024;
+ len = strstr(tmp + 1, "'") - tmp;
+ if (len > MAXSIZE) {
+ len = MAXSIZE;
}
}
- strncpy(mail->command, tmp + 1, len);
+ strncpy(mail->command, tmp + 1, len - 1);
} else {
mail->command[0] = '\0';
}
+ DBGP("mail args parsed: folder: '%s' command: '%s' user: '%s' host: '%s'\n",
+ mail->folder, mail->command, mail->user, mail->host);
mail->p_timed_thread = NULL;
return mail;
}
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);
char resolved_host = 0;
+ struct addrinfo hints;
+ struct addrinfo *ai = 0, *rp;
+ char portbuf[8];
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);
+ resolved_host = 0; /* force us to resolve the hostname again */
+ sleep(fail); /* sleep more for the more failures we have */
+ }
if (!resolved_host) {
-#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));
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = 0;
+ hints.ai_protocol = 0;
+ snprintf(portbuf, 8, "%lu", mail->port);
+
+ res = getaddrinfo(mail->host, portbuf, &hints, &ai);
+ if (res != 0) {
+ NORM_ERR("IMAP getaddrinfo: %s", gai_strerror(res));
fail++;
break;
}
-#else /* HAVE_GETHOSTBYNAME_R */
- if ((he_res = gethostbyname(mail->host)) == NULL) { // get the host info
- herror("gethostbyname");
- fail++;
- break;
- }
-#endif /* HAVE_GETHOSTBYNAME_R */
resolved_host = 1;
}
- 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;
+ for (rp = ai; rp != NULL; rp = rp->ai_next) {
+ sockfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sockfd == -1) {
+ continue;
+ }
+ if (connect(sockfd, rp->ai_addr, rp->ai_addrlen) != -1) {
+ break;
+ }
+ close(sockfd);
}
-
- // 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) {
+ freeaddrinfo(ai);
+ ai = 0;
+ if (rp == NULL) {
perror("connect");
fail++;
break;
while (1) {
/*
* RFC 2177 says we have to re-idle every 29 minutes.
- * We'll do it every 20 minutes to be safe.
+ * We'll do it every 10 minutes to be safe.
*/
- fetchtimeout.tv_sec = 1200;
+ fetchtimeout.tv_sec = 600;
fetchtimeout.tv_usec = 0;
- DBGP2("idling...");
+ DBGP("idling...");
FD_ZERO(&fdset);
FD_SET(sockfd, &fdset);
FD_SET(threadfd, &fdset);
- res = select(MAX(sockfd + 1, threadfd + 1), &fdset, NULL, NULL, &fetchtimeout);
+ res = select(MAX(sockfd + 1, threadfd + 1), &fdset, NULL,
+ NULL, &fetchtimeout);
+ DBGP("done idling");
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 */
fail++;
break;
}
- } else {
- fail++;
- break;
}
recvbuf[numbytes] = '\0';
DBGP2("imap_thread() received: %s", recvbuf);
if (strlen(recvbuf) > 2) {
- unsigned long messages, recent;
+ unsigned long messages, recent = 0;
char *buf = recvbuf;
char force_check = 0;
buf = strstr(buf, "EXISTS");
timed_thread_lock(mail->p_timed_thread);
if (mail->messages != messages) {
force_check = 1;
- mail->messages = messages;
}
timed_thread_unlock(mail->p_timed_thread);
}
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;
char resolved_host = 0;
+ struct addrinfo hints;
+ struct addrinfo *ai = 0, *rp;
+ char portbuf[8];
while (fail < mail->retries) {
struct timeval fetchtimeout;
int res;
fd_set fdset;
- if (!resolved_host) {
-#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));
- fail++;
- break;
- }
-#else /* HAVE_GETHOSTBYNAME_R */
- if ((he_res = gethostbyname(mail->host)) == NULL) { // get the host info
- herror("gethostbyname");
- fail++;
- break;
- }
-#endif /* HAVE_GETHOSTBYNAME_R */
- resolved_host = 1;
-}
+
if (fail > 0) {
NORM_ERR("Trying POP3 connection again for %s@%s (try %u/%u)",
mail->user, mail->host, fail + 1, mail->retries);
+ resolved_host = 0; /* force us to resolve the hostname again */
+ sleep(fail); /* sleep more for the more failures we have */
}
- do {
- if ((sockfd = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
- perror("socket");
+ if (!resolved_host) {
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = 0;
+ hints.ai_protocol = 0;
+ snprintf(portbuf, 8, "%lu", mail->port);
+
+ res = getaddrinfo(mail->host, portbuf, &hints, &ai);
+ if (res != 0) {
+ NORM_ERR("POP3 getaddrinfo: %s", gai_strerror(res));
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) {
+ resolved_host = 1;
+ }
+ do {
+ for (rp = ai; rp != NULL; rp = rp->ai_next) {
+ sockfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sockfd == -1) {
+ continue;
+ }
+ if (connect(sockfd, rp->ai_addr, rp->ai_addrlen) != -1) {
+ break;
+ }
+ close(sockfd);
+ }
+ freeaddrinfo(ai);
+ ai = 0;
+ if (rp == NULL) {
perror("connect");
fail++;
break;