*
* Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
*
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2, see file LICENSE in this source tree.
*/
+//config:config POPMAILDIR
+//config: bool "popmaildir (10 kb)"
+//config: default y
+//config: help
+//config: Simple yet powerful POP3 mail popper. Delivers content
+//config: of remote mailboxes to local Maildir.
+//config:
+//config:config FEATURE_POPMAILDIR_DELIVERY
+//config: bool "Allow message filters and custom delivery program"
+//config: default y
+//config: depends on POPMAILDIR
+//config: help
+//config: Allow to use a custom program to filter the content
+//config: of the message before actual delivery (-F "prog [args...]").
+//config: Allow to use a custom program for message actual delivery
+//config: (-M "prog [args...]").
+
+//applet:IF_POPMAILDIR(APPLET(popmaildir, BB_DIR_USR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_POPMAILDIR) += popmaildir.o mail.o
+
+//usage:#define popmaildir_trivial_usage
+//usage: "[OPTIONS] MAILDIR [CONN_HELPER ARGS]"
+//usage:#define popmaildir_full_usage "\n\n"
+//usage: "Fetch content of remote mailbox to local maildir\n"
+/* //usage: "\n -b Binary mode. Ignored" */
+/* //usage: "\n -d Debug. Ignored" */
+/* //usage: "\n -m Show used memory. Ignored" */
+/* //usage: "\n -V Show version. Ignored" */
+/* //usage: "\n -c Use tcpclient. Ignored" */
+/* //usage: "\n -a Use APOP protocol. Implied. If server supports APOP -> use it" */
+//usage: "\n -s Skip authorization"
+//usage: "\n -T Get messages with TOP instead of RETR"
+//usage: "\n -k Keep retrieved messages on the server"
+//usage: "\n -t SEC Network timeout"
+//usage: IF_FEATURE_POPMAILDIR_DELIVERY(
+//usage: "\n -F \"PROG ARGS\" Filter program (may be repeated)"
+//usage: "\n -M \"PROG ARGS\" Delivery program"
+//usage: )
+//usage: "\n"
+//usage: "\nFetch from plain POP3 server:"
+//usage: "\npopmaildir -k DIR nc pop3.server.com 110 <user_and_pass.txt"
+//usage: "\nFetch from SSLed POP3 server and delete fetched emails:"
+//usage: "\npopmaildir DIR -- openssl s_client -quiet -connect pop3.server.com:995 <user_and_pass.txt"
+/* //usage: "\n -R BYTES Remove old messages on the server >= BYTES. Ignored" */
+/* //usage: "\n -Z N1-N2 Remove messages from N1 to N2 (dangerous). Ignored" */
+/* //usage: "\n -L BYTES Don't retrieve new messages >= BYTES. Ignored" */
+/* //usage: "\n -H LINES Type first LINES of a message. Ignored" */
+//usage:
+//usage:#define popmaildir_example_usage
+//usage: "$ popmaildir -k ~/Maildir -- nc pop.drvv.ru 110 [<password_file]\n"
+//usage: "$ popmaildir ~/Maildir -- openssl s_client -quiet -connect pop.gmail.com:995 [<password_file]\n"
+
#include "libbb.h"
#include "mail.h"
static void pop3_checkr(const char *fmt, const char *param, char **ret)
{
- const char *msg = command(fmt, param);
+ char *msg = send_mail_command(fmt, param);
char *answer = xmalloc_fgetline(stdin);
- if (answer && '+' == *answer) {
+ if (answer && '+' == answer[0]) {
+ free(msg);
if (timeout)
alarm(0);
- if (ret)
- *ret = answer+4; // skip "+OK "
- else if (ENABLE_FEATURE_CLEAN_UP)
+ if (ret) {
+ // skip "+OK "
+ memmove(answer, answer + 4, strlen(answer) - 4);
+ *ret = answer;
+ } else
free(answer);
return;
}
- bb_error_msg_and_die("%s failed: %s", msg, answer);
+ bb_error_msg_and_die("%s failed, reply was: %s", msg, answer);
}
static void pop3_check(const char *fmt, const char *param)
INIT_G();
// parse options
- opt_complementary = "-1:dd:t+:R+:L+:H+";
- opts = getopt32(argv,
- "bdmVcasTkt:" "R:Z:L:H:" USE_FEATURE_POPMAILDIR_DELIVERY("M:F:"),
+ opts = getopt32(argv, "^"
+ "bdmVcasTkt:+" "R:+Z:L:+H:+" IF_FEATURE_POPMAILDIR_DELIVERY("M:F:")
+ "\0" "-1:dd",
&timeout, NULL, NULL, NULL, &opt_nlines
- USE_FEATURE_POPMAILDIR_DELIVERY(, &delivery, &delivery) // we treat -M and -F the same
+ IF_FEATURE_POPMAILDIR_DELIVERY(, &delivery, &delivery) // we treat -M and -F the same
);
//argc -= optind;
argv += optind;
// authenticate (if no -s given)
if (!(opts & OPT_s)) {
- // server supports APOP and we want it? -> use it
- if ('<' == *buf && (opts & OPT_a)) {
- md5_ctx_t md5;
- // yes! compose <stamp><password>
+ // server supports APOP and we want it?
+ if ('<' == buf[0] && (opts & OPT_a)) {
+ union { // save a bit of stack
+ md5_ctx_t ctx;
+ char hex[16 * 2 + 1];
+ } md5;
+ uint32_t res[16 / 4];
+
char *s = strchr(buf, '>');
if (s)
- strcpy(s+1, G.pass);
- s = buf;
- // get md5 sum of <stamp><password>
- md5_begin(&md5);
- md5_hash(s, strlen(s), &md5);
- md5_end(s, &md5);
- // NOTE: md5 struct contains enough space
- // so we reuse md5 space instead of xzalloc(16*2+1)
-#define md5_hex ((uint8_t *)&md5)
-// uint8_t *md5_hex = (uint8_t *)&md5;
- *bin2hex((char *)md5_hex, s, 16) = '\0';
+ s[1] = '\0';
+ // get md5 sum of "<stamp>password" string
+ md5_begin(&md5.ctx);
+ md5_hash(&md5.ctx, buf, strlen(buf));
+ md5_hash(&md5.ctx, G.pass, strlen(G.pass));
+ md5_end(&md5.ctx, res);
+ *bin2hex(md5.hex, (char*)res, 16) = '\0';
// APOP
- s = xasprintf("%s %s", G.user, md5_hex);
-#undef md5_hex
+ s = xasprintf("%s %s", G.user, md5.hex);
pop3_check("APOP %s", s);
- if (ENABLE_FEATURE_CLEAN_UP) {
- free(s);
- free(buf-4); // buf is "+OK " away from malloc'ed string
- }
+ free(s);
+ free(buf);
// server ignores APOP -> use simple text authentication
} else {
// USER
// if atoi fails to convert buf into number it returns 0
// in this case the following loop simply will not be executed
nmsg = atoi(buf);
- if (ENABLE_FEATURE_CLEAN_UP)
- free(buf-4); // buf is "+OK " away from malloc'ed string
+ free(buf);
// loop through messages
retr = (opts & OPT_T) ? xasprintf("TOP %%u %u", opt_nlines) : "RETR %u";
projects / oweals / busybox.git / blobdiff