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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-11-06 23:41:38 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-11-06 23:41:38 +0000
commitb9d572a2733fa20957a9a3287bd04d66176e3b6a (patch)
tree2b9ff7454709e84b02e644db4914ad9d4b739e68
parentf10bc3964f1d92fa83ec97a625fca33ce1592f26 (diff)
downloadbusybox-b9d572a2733fa20957a9a3287bd04d66176e3b6a.tar.gz
busybox-b9d572a2733fa20957a9a3287bd04d66176e3b6a.tar.bz2
total overhaul of mail applets. again. Vladimir as usual.
-rw-r--r--Config.in1
-rw-r--r--Makefile1
-rw-r--r--include/applets.h5
-rw-r--r--include/usage.h74
-rw-r--r--networking/Config.in41
-rw-r--r--networking/Kbuild2
-rw-r--r--networking/sendmail.c563
7 files changed, 61 insertions, 626 deletions
diff --git a/Config.in b/Config.in
index d2eab538e..4fd9d1111 100644
--- a/Config.in
+++ b/Config.in
@@ -596,6 +596,7 @@ source util-linux/Config.in
source miscutils/Config.in
source networking/Config.in
source printutils/Config.in
+source mailutils/Config.in
source procps/Config.in
source runit/Config.in
source selinux/Config.in
diff --git a/Makefile b/Makefile
index 5d6546716..495b16cab 100644
--- a/Makefile
+++ b/Makefile
@@ -456,6 +456,7 @@ libs-y := \
libbb/ \
libpwdgrp/ \
loginutils/ \
+ mailutils/ \
miscutils/ \
modutils/ \
networking/ \
diff --git a/include/applets.h b/include/applets.h
index d52f9f034..0e4cbd5a3 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -151,7 +151,6 @@ USE_FBSPLASH(APPLET(fbsplash, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_FDFLUSH(APPLET_ODDNAME(fdflush, freeramdisk, _BB_DIR_BIN, _BB_SUID_NEVER, fdflush))
USE_FDFORMAT(APPLET(fdformat, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_FDISK(APPLET(fdisk, _BB_DIR_SBIN, _BB_SUID_NEVER))
-//USE_FETCHMAIL(APPLET(fetchmail, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_FEATURE_GREP_FGREP_ALIAS(APPLET_ODDNAME(fgrep, grep, _BB_DIR_BIN, _BB_SUID_NEVER, fgrep))
USE_FIND(APPLET_NOEXEC(find, find, _BB_DIR_USR_BIN, _BB_SUID_NEVER, find))
USE_FINDFS(APPLET(findfs, _BB_DIR_SBIN, _BB_SUID_MAYBE))
@@ -237,8 +236,8 @@ USE_LSATTR(APPLET(lsattr, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_LSMOD(APPLET(lsmod, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, _BB_DIR_SBIN, _BB_SUID_NEVER, modprobe))
USE_UNLZMA(APPLET_ODDNAME(lzmacat, unlzma, _BB_DIR_USR_BIN, _BB_SUID_NEVER, lzmacat))
-USE_FEATURE_SENDMAIL_MAILX(APPLET_ODDNAME(mail, sendmail, _BB_DIR_USR_BIN, _BB_SUID_NEVER, sendmail))
USE_MAKEDEVS(APPLET(makedevs, _BB_DIR_SBIN, _BB_SUID_NEVER))
+USE_MAKEMIME(APPLET(makemime, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_MAN(APPLET(man, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_MATCHPATHCON(APPLET(matchpathcon, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_MD5SUM(APPLET_ODDNAME(md5sum, md5_sha1_sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER, md5sum))
@@ -281,6 +280,7 @@ USE_PING6(APPLET(ping6, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_PIPE_PROGRESS(APPLET(pipe_progress, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_PIVOT_ROOT(APPLET(pivot_root, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_PKILL(APPLET_ODDNAME(pkill, pgrep, _BB_DIR_USR_BIN, _BB_SUID_NEVER, pkill))
+USE_POPMAILDIR(APPLET(popmaildir, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_HALT(APPLET_ODDNAME(poweroff, halt, _BB_DIR_SBIN, _BB_SUID_NEVER, poweroff))
USE_PRINTENV(APPLET(printenv, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_PRINTF(APPLET_NOFORK(printf, printf, _BB_DIR_USR_BIN, _BB_SUID_NEVER, printf))
@@ -295,6 +295,7 @@ USE_READLINK(APPLET(readlink, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_READPROFILE(APPLET(readprofile, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_REALPATH(APPLET(realpath, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_HALT(APPLET_ODDNAME(reboot, halt, _BB_DIR_SBIN, _BB_SUID_NEVER, reboot))
+USE_REFORMIME(APPLET(reformime, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_RENICE(APPLET(renice, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_RESET(APPLET(reset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_RESIZE(APPLET(resize, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
diff --git a/include/usage.h b/include/usage.h
index 4ee82059e..19af3486a 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -1095,18 +1095,6 @@
"\n -H HEADS\n" \
"\n -S SECTORS" \
-#define fetchmail_trivial_usage \
- "[-w timeout] [-H [user:pass@]server[:port]] [-S] [-t] [-z] maildir [prog]"
-#define fetchmail_full_usage "\n\n" \
- "Fetch content of remote mailbox to local maildir\n" \
- "\nOptions:" \
- "\n -w timeout Network timeout" \
- "\n -H [user:pass@]server[:port] Server" \
- "\n -S Use openssl connection helper for secure servers" \
- "\n -t Get only headers" \
- "\n -z Delete messages on server" \
- "\n prog Run 'prog <message_file>' on message delivery" \
-
#define blkid_trivial_usage \
""
#define blkid_full_usage "\n\n" \
@@ -2378,6 +2366,16 @@
"/dev/hda[0-15]\n"
#endif
+#define makemime_trivial_usage \
+ "[OPTION]... [FILE]..."
+#define makemime_full_usage "\n\n" \
+ "Create MIME-encoded message\n" \
+ "\nOptions:" \
+ "\n -C Charset" \
+ "\n -e Tranfer encoding. Ignored. base64 is assumed" \
+ "\n" \
+ "\nOther options are silently ignored." \
+
#define man_trivial_usage \
"[OPTION]... [MANPAGE]..."
#define man_full_usage "\n\n" \
@@ -3095,6 +3093,33 @@
"\n -v Negate the matching" \
"\n -x Match whole name (not substring)" \
+#define popmaildir_trivial_usage \
+ "[OPTIONS] Maildir [connection-helper ...]"
+#define popmaildir_full_usage "\n\n" \
+ "Fetch content of remote mailbox to local maildir\n" \
+ "\nOptions:" \
+ "\n -b Binary mode. Ignored" \
+ "\n -d Debug. Ignored" \
+ "\n -m Show used memory. Ignored" \
+ "\n -V Show version. Ignored" \
+ "\n -c Use tcpclient. Ignored" \
+ "\n -a Use APOP protocol. Implied. If server supports APOP -> use it" \
+ "\n -s Skip authorization" \
+ "\n -T Get messages with TOP instead with RETR" \
+ "\n -k Keep retrieved messages on the server" \
+ "\n -t timeout Set network timeout" \
+ USE_FEATURE_POPMAILDIR_DELIVERY( \
+ "\n -F \"program arg1 arg2 ...\" Filter by program. May be multiple" \
+ "\n -M \"program arg1 arg2 ...\" Deliver by program" \
+ ) \
+ "\n -R size Remove old messages on the server >= size (in bytes). Ignored" \
+ "\n -Z N1-N2 Remove messages from N1 to N2 (dangerous). Ignored" \
+ "\n -L size Do not retrieve new messages >= size (in bytes). Ignored" \
+ "\n -H lines Type specified number of lines of a message. Ignored"
+#define popmaildir_example_usage \
+ "$ popmaildir -k ~/Maildir -- nc pop.drvv.ru 110 [<password_file]\n" \
+ "$ popmaildir ~/Maildir -- openssl s_client -quiet -connect pop.gmail.com:995 [<password_file]\n"
+
#define poweroff_trivial_usage \
"[-d delay] [-n] [-f]"
#define poweroff_full_usage "\n\n" \
@@ -3250,6 +3275,17 @@
"\n -n No call to sync()" \
"\n -f Force reboot (don't go through init)" \
+#define reformime_trivial_usage \
+ "[OPTION]... [FILE]..."
+#define reformime_full_usage "\n\n" \
+ "Parse MIME-encoded message\n" \
+ "\nOptions:" \
+ "\n -x prefix Extract content of MIME sections to files" \
+ "\n -X prog [args] Filter content of MIME sections through prog." \
+ "\n Must be the last option" \
+ "\n" \
+ "\nOther options are silently ignored." \
+
#define renice_trivial_usage \
"{{-n INCREMENT} | PRIORITY} [[-p | -g | -u] ID...]"
#define renice_full_usage "\n\n" \
@@ -3484,9 +3520,7 @@
#define selinuxenabled_full_usage ""
#define sendmail_trivial_usage \
- "[-w timeout] [-H [user:pass@]server[:port]] [-S]\n" \
- "[-N type] [-f sender] [-F fullname] " \
- USE_FEATURE_SENDMAIL_MAILX("[-s subject] [-c cc-rcpt]... [-j charset] [-a attach]... [-e err-rcpt] ") "[-t] [rcpt]..."
+ "[OPTIONS] [rcpt]..."
#define sendmail_full_usage "\n\n" \
"Send an email\n" \
"\nOptions:" \
@@ -3498,11 +3532,15 @@
"\n -F fullname Sender full name. Overrides $NAME" \
USE_FEATURE_SENDMAIL_MAILX( \
"\n -s subject Subject" \
- "\n -c rcpt Cc: recipient. May be multiple" \
- "\n -j charset Assume charset for body and subject (" CONFIG_FEATURE_SENDMAIL_CHARSET ")" \
+ "\n -j charset Assume charset for body and subject (" CONFIG_FEATURE_MIME_CHARSET ")" \
"\n -a file File to attach. May be multiple" \
+ "\n -H \"prog args...\" Use external connection helper. E.g. openssl for secure servers" \
+ "\n -S server[:port] Server" \
+ ) \
+ USE_FEATURE_SENDMAIL_MAILXX( \
+ "\n -c rcpt Cc: recipient. May be multiple" \
"\n -e rcpt Errors-To: recipient" \
- )
+ )
"\n -t Read recipients and subject from body" \
"\n" \
"\nOther options are silently ignored; -oi is implied" \
diff --git a/networking/Config.in b/networking/Config.in
index 3ae77e119..95f894230 100644
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -681,47 +681,6 @@ config ROUTE
help
Route displays or manipulates the kernel's IP routing tables.
-config SENDMAIL
- bool "sendmail"
- default n
- help
- Barebones sendmail.
-
-config FEATURE_SENDMAIL_MAILX
- bool "Allow to specify subject, attachments and their charset"
- default y
- depends on SENDMAIL
- help
- Allow to specify subject, attachments and their charset.
-
-config FEATURE_SENDMAIL_MAILXX
- bool "Allow to specify Cc: addresses and some additional headers"
- default n
- depends on FEATURE_SENDMAIL_MAILX
- help
- Allow to specify Cc: addresses and some additional headers:
- Errors-To:
-
-config FEATURE_SENDMAIL_SSL
- bool "Allow to communicate via SSL/TLS"
- default y
- depends on SENDMAIL
- help
- Allow to use secure connections provided by openssl. E.g. @gmail.com.
-
-config FEATURE_SENDMAIL_CHARSET
- string "Default charset"
- default "utf-8"
- depends on SENDMAIL
- help
- Default charset of the message.
-
-config FETCHMAIL
- bool "fetchmail"
- default n
- help
- Barebones fetchmail.
-
config SLATTACH
bool "slattach"
default n
diff --git a/networking/Kbuild b/networking/Kbuild
index 75cc20f58..63d0745f8 100644
--- a/networking/Kbuild
+++ b/networking/Kbuild
@@ -11,7 +11,6 @@ lib-$(CONFIG_BRCTL) += brctl.o
lib-$(CONFIG_DNSD) += dnsd.o
lib-$(CONFIG_ETHER_WAKE) += ether-wake.o
lib-$(CONFIG_FAKEIDENTD) += isrv_identd.o isrv.o
-lib-$(CONFIG_FETCHMAIL) += sendmail.o
lib-$(CONFIG_FTPGET) += ftpgetput.o
lib-$(CONFIG_FTPPUT) += ftpgetput.o
lib-$(CONFIG_HOSTNAME) += hostname.o
@@ -30,7 +29,6 @@ lib-$(CONFIG_PING) += ping.o
lib-$(CONFIG_PING6) += ping.o
lib-$(CONFIG_PSCAN) += pscan.o
lib-$(CONFIG_ROUTE) += route.o
-lib-$(CONFIG_SENDMAIL) += sendmail.o
lib-$(CONFIG_SLATTACH) += slattach.o
lib-$(CONFIG_TC) += tc.o
lib-$(CONFIG_TELNET) += telnet.o
diff --git a/networking/sendmail.c b/networking/sendmail.c
deleted file mode 100644
index 9602b89ec..000000000
--- a/networking/sendmail.c
+++ /dev/null
@@ -1,563 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * bare bones sendmail
- *
- * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
- *
- * Licensed under GPLv2, see file LICENSE in this tarball for details.
- */
-#include "libbb.h"
-
-struct globals {
- pid_t helper_pid;
- unsigned timeout;
- FILE *fp0; // initial stdin
- // arguments for SSL connection helper
- const char *xargs[9];
-};
-#define G (*ptr_to_globals)
-#define helper_pid (G.helper_pid)
-#define timeout (G.timeout )
-#define fp0 (G.fp0 )
-#define xargs (G.xargs )
-#define INIT_G() do { \
- SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
- xargs[0] = "openssl"; \
- xargs[1] = "s_client"; \
- xargs[2] = "-quiet"; \
- xargs[3] = "-connect"; \
- /*xargs[4] = "localhost";*/ \
- xargs[5] = "-tls1"; \
- xargs[6] = "-starttls"; \
- xargs[7] = "smtp"; \
-} while (0)
-
-#define opt_connect (xargs[4])
-
-static void uuencode(char *fname, const char *text)
-{
- enum {
- SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */
- DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
- };
-
-#define src_buf text
- FILE *fp = fp;
- ssize_t len = len;
- char dst_buf[DST_BUF_SIZE + 1];
-
- if (fname) {
- fp = (NOT_LONE_DASH(fname)) ? xfopen_for_read(fname) : fp0;
- src_buf = bb_common_bufsiz1;
- // N.B. strlen(NULL) segfaults!
- } else if (text) {
- // though we do not call uuencode(NULL, NULL) explicitly
- // still we do not want to break things suddenly
- len = strlen(text);
- } else
- return;
-
- while (1) {
- size_t size;
- if (fname) {
- size = fread((char *)src_buf, 1, SRC_BUF_SIZE, fp);
- if ((ssize_t)size < 0)
- bb_perror_msg_and_die(bb_msg_read_error);
- } else {
- size = len;
- if (len > SRC_BUF_SIZE)
- size = SRC_BUF_SIZE;
- }
- if (!size)
- break;
- // encode the buffer we just read in
- bb_uuencode(dst_buf, src_buf, size, bb_uuenc_tbl_base64);
- if (fname) {
- printf("\r\n");
- } else {
- src_buf += size;
- len -= size;
- }
- fwrite(dst_buf, 1, 4 * ((size + 2) / 3), stdout);
- }
- if (fname)
- fclose(fp);
-#undef src_buf
-}
-
-
-#if ENABLE_FEATURE_SENDMAIL_SSL
-static void kill_helper(void)
-{
- // TODO!!!: is there more elegant way to terminate child on program failure?
- if (helper_pid > 0)
- kill(helper_pid, SIGTERM);
-}
-
-// generic signal handler
-static void signal_handler(int signo)
-{
-#define err signo
- if (SIGALRM == signo) {
- kill_helper();
- bb_error_msg_and_die("timed out");
- }
-
- // SIGCHLD. reap zombies
- if (wait_any_nohang(&err) > 0)
- if (WIFEXITED(err)) {
-// if (WEXITSTATUS(err))
- bb_error_msg_and_die("child exited (%d)", WEXITSTATUS(err));
-// else
-// kill(0, SIGCONT);
- }
-#undef err
-}
-
-static void launch_helper(const char **argv)
-{
- // setup vanilla unidirectional pipes interchange
- int idx;
- int pipes[4];
-
- xpipe(pipes);
- xpipe(pipes+2);
- helper_pid = vfork();
- if (helper_pid < 0)
- bb_perror_msg_and_die("vfork");
- idx = (!helper_pid) * 2;
- xdup2(pipes[idx], STDIN_FILENO);
- xdup2(pipes[3-idx], STDOUT_FILENO);
- if (ENABLE_FEATURE_CLEAN_UP)
- for (int i = 4; --i >= 0; )
- if (pipes[i] > STDOUT_FILENO)
- close(pipes[i]);
- if (!helper_pid) {
- // child: try to execute connection helper
- BB_EXECVP(*argv, (char **)argv);
- _exit(127);
- }
- // parent: check whether child is alive
- bb_signals(0
- + (1 << SIGCHLD)
- + (1 << SIGALRM)
- , signal_handler);
- signal_handler(SIGCHLD);
- // child seems OK -> parent goes on
-}
-#else
-#define kill_helper() ((void)0)
-#define launch_helper(x) bb_error_msg_and_die("no SSL support")
-#endif
-
-static const char *command(const char *fmt, const char *param)
-{
- const char *msg = fmt;
- alarm(timeout);
- if (msg) {
- msg = xasprintf(fmt, param);
- printf("%s\r\n", msg);
- }
- fflush(stdout);
- return msg;
-}
-
-static int smtp_checkp(const char *fmt, const char *param, int code)
-{
- char *answer;
- const char *msg = command(fmt, param);
- // read stdin
- // if the string has a form \d\d\d- -- read next string. E.g. EHLO response
- // parse first bytes to a number
- // if code = -1 then just return this number
- // if code != -1 then checks whether the number equals the code
- // if not equal -> die saying msg
- while ((answer = xmalloc_fgetline(stdin)) != NULL)
- if (strlen(answer) <= 3 || '-' != answer[3])
- break;
- if (answer) {
- int n = atoi(answer);
- alarm(0);
- free(answer);
- if (-1 == code || n == code)
- return n;
- }
- kill_helper();
- bb_error_msg_and_die("%s failed", msg);
-}
-
-static inline int smtp_check(const char *fmt, int code)
-{
- return smtp_checkp(fmt, NULL, code);
-}
-
-// strip argument of bad chars
-static char *sane(char *str)
-{
- char *s = str;
- char *p = s;
- while (*s) {
- if (isalnum(*s) || '_' == *s || '-' == *s || '.' == *s || '@' == *s) {
- *p++ = *s;
- }
- s++;
- }
- *p = '\0';
- return str;
-}
-
-// NB: parse_url can modify url[] (despite const), but only if '@' is there
-static const char *parse_url(const char *url, const char **user, const char **pass)
-{
- // parse [user[:pass]@]host
- // return host
- char *s = strchr(url, '@');
- *user = *pass = NULL;
- if (s) {
- *s++ = '\0';
- *user = url;
- url = s;
- s = strchr(*user, ':');
- if (s) {
- *s++ = '\0';
- *pass = s;
- }
- }
- return url;
-}
-
-static void rcptto(const char *s)
-{
- smtp_checkp("RCPT TO:<%s>", s, 250);
-}
-
-int sendmail_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int sendmail_main(int argc UNUSED_PARAM, char **argv)
-{
-#if ENABLE_FEATURE_SENDMAIL_MAILX
- llist_t *opt_attachments = NULL;
- const char *opt_subject;
- const char *opt_charset = CONFIG_FEATURE_SENDMAIL_CHARSET;
-#if ENABLE_FEATURE_SENDMAIL_MAILXX
- llist_t *opt_carboncopies = NULL;
- char *opt_errors_to;
-#endif
-#endif
- char *opt_from, *opt_fullname;
- const char *opt_user;
- const char *opt_pass;
- int code;
- char *boundary;
- llist_t *l;
- llist_t *headers = NULL;
- char *domain = sane(safe_getdomainname());
- unsigned opts;
-
- enum {
- OPT_w = 1 << 0, // network timeout
- OPT_H = 1 << 1, // [user:password@]server[:port]
- OPT_S = 1 << 2, // connect using openssl s_client helper
- OPT_t = 1 << 3, // read message for recipients
- OPT_N = 1 << 4, // request notification
- OPT_f = 1 << 5, // sender address
- OPT_F = 1 << 6, // sender name, overrides $NAME
-#if ENABLE_FEATURE_SENDMAIL_MAILX
- OPT_s = 1 << 7, // subject
- OPT_j = 1 << 8, // assumed charset
- OPT_a = 1 << 9, // attachment(s)
-#if ENABLE_FEATURE_SENDMAIL_MAILXX
- OPT_c = 1 << 10, // carbon copy
- OPT_e = 1 << 11, // errors-to address
-#endif
-#endif
- };
-
- // init global variables
- INIT_G();
-
- // save initial stdin since body is piped!
- xdup2(STDIN_FILENO, 3);
- fp0 = fdopen(3, "r");
-
- // parse options
- opt_complementary = "w+:a::" USE_FEATURE_SENDMAIL_MAILXX("c::");
- opts = getopt32(argv,
- "w:H:St" "N:f:F:" USE_FEATURE_SENDMAIL_MAILX("s:j:a:") USE_FEATURE_SENDMAIL_MAILXX("c:e:")
- "X:V:vq:R:O:o:nmL:Iih:GC:B:b:A:" // postfix compat only, ignored
- // r:Q:p:M:Dd are candidates from another man page. TODO?
- "46E", // ssmtp introduces another quirks. TODO?: -a[upm] (user, pass, method) to be supported
- &timeout /* -w */, &opt_connect /* -H */,
- NULL, &opt_from, &opt_fullname,
- USE_FEATURE_SENDMAIL_MAILX(&opt_subject, &opt_charset, &opt_attachments,)
- USE_FEATURE_SENDMAIL_MAILXX(&opt_carboncopies, &opt_errors_to,)
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL
- );
- //argc -= optind;
- argv += optind;
-
- // connect to server
- // host[:port] not specified ? -> use $SMTPHOST. no $SMTPHOST ? -> use localhost
- if (!(opts & OPT_H)) {
- opt_connect = getenv("SMTPHOST");
- if (!opt_connect)
- opt_connect = "127.0.0.1";
- }
- // fetch username and password, if any
- // NB: parse_url modifies opt_connect[] ONLY if '@' is there.
- // Thus "127.0.0.1" won't be modified, an is ok that it is RO.
- opt_connect = parse_url(opt_connect, &opt_user, &opt_pass);
-
- // username must be defined!
- if (!opt_user) {
- // N.B. IMHO getenv("USER") can be way easily spoofed!
- opt_user = bb_getpwuid(NULL, -1, getuid());
- }
-
- // SSL ordered? ->
- if (opts & OPT_S) {
- // ... use openssl helper
- launch_helper(xargs);
- // no SSL ordered? ->
- } else {
- // ... make plain connect
- int fd = create_and_connect_stream_or_die(opt_connect, 25);
- // make ourselves a simple IO filter
- // from now we know nothing about network :)
- xmove_fd(fd, STDIN_FILENO);
- xdup2(STDIN_FILENO, STDOUT_FILENO);
- }
-
- // got no sender address? -> use username as a resort
- if (!(opts & OPT_f)) {
- opt_from = xasprintf("%s@%s", opt_user, domain);
- }
-
- // introduce to server
-
- // we didn't use SSL helper? ->
- if (!(opts & OPT_S)) {
- // ... wait for initial server OK
- smtp_check(NULL, 220);
- }
-
- // we should start with modern EHLO
- if (250 != smtp_checkp("EHLO %s", domain, -1)) {
- smtp_checkp("HELO %s", domain, 250);
- }
- if (ENABLE_FEATURE_CLEAN_UP)
- free(domain);
-
- // set sender
- // NOTE: if password has not been specified
- // then no authentication is possible
- code = (opt_pass ? -1 : 250);
- // first try softly without authentication
- while (250 != smtp_checkp("MAIL FROM:<%s>", opt_from, code)) {
- // MAIL FROM failed -> authentication needed
- if (334 == smtp_check("AUTH LOGIN", -1)) {
- uuencode(NULL, opt_user); // opt_user != NULL
- smtp_check("", 334);
- uuencode(NULL, opt_pass);
- smtp_check("", 235);
- }
- // authenticated OK? -> retry to set sender
- // but this time die on failure!
- code = 250;
- }
-
- // recipients specified as arguments
- while (*argv) {
- char *s = sane(*argv);
- // loose test on email address validity
- if (strchr(s, '@')) {
- rcptto(s);
- llist_add_to_end(&headers, xasprintf("To: %s", s));
- }
- argv++;
- }
-
-#if ENABLE_FEATURE_SENDMAIL_MAILXX
- // carbon copies recipients specified as -c options
- for (l = opt_carboncopies; l; l = l->link) {
- char *s = sane(l->data);
- // loose test on email address validity
- if (strchr(s, '@')) {
- rcptto(s);
- // TODO: do we ever need to mangle the message?
- //llist_add_to_end(&headers, xasprintf("Cc: %s", s));
- }
- }
-#endif
-
- // if -t specified or no recipients specified -> read recipients from message
- // i.e. scan stdin for To:, Cc:, Bcc: lines ...
- // ... and then use the rest of stdin as message body
- // N.B. subject read from body can be further overrided with one specified on command line.
- // recipients are merged. Bcc: lines are deleted
- // N.B. other headers are collected and will be dumped verbatim
- if (opts & OPT_t || !headers) {
- // fetch recipients and (optionally) subject
- char *s;
- while ((s = xmalloc_fgetline(fp0)) != NULL) {
- if (0 == strncasecmp("To: ", s, 4) || 0 == strncasecmp("Cc: ", s, 4)) {
- rcptto(sane(s+4));
- llist_add_to_end(&headers, s);
- } else if (0 == strncasecmp("Bcc: ", s, 5)) {
- rcptto(sane(s+5));
- free(s);
- // N.B. Bcc vanishes from headers!
- } else if (0 == strncmp("Subject: ", s, 9)) {
- // we read subject -> use it verbatim unless it is specified
- // on command line
-#if ENABLE_FEATURE_SENDMAIL_MAILX
- if (opts & OPT_s)
- free(s);
- else
-#endif
- llist_add_to_end(&headers, s);
- } else if (s[0]) {
- // misc header
- llist_add_to_end(&headers, s);
- } else {
- free(s);
- break; // stop on the first empty line
- }
- }
- }
-
- // enter "put message" mode
- smtp_check("DATA", 354);
-
- // put headers we could have preread with -t
- for (l = headers; l; l = l->link) {
- printf("%s\r\n", l->data);
- if (ENABLE_FEATURE_CLEAN_UP)
- free(l->data);
- }
-
- // put (possibly encoded) subject
-#if ENABLE_FEATURE_SENDMAIL_MAILX
- if (opts & OPT_j)
- sane((char *)opt_charset);
- if (opts & OPT_s) {
- printf("Subject: ");
- if (opts & OPT_j) {
- printf("=?%s?B?", opt_charset);
- uuencode(NULL, opt_subject);
- printf("?=");
- } else {
- printf("%s", opt_subject);
- }
- printf("\r\n");
- }
-#endif
-
- // put sender name, $NAME is the default
- if (!(opts & OPT_F))
- opt_fullname = getenv("NAME");
- if (opt_fullname)
- printf("From: \"%s\" <%s>\r\n", opt_fullname, opt_from);
-
- // put notification
- if (opts & OPT_N)
- printf("Disposition-Notification-To: %s\r\n", opt_from);
-
-#if ENABLE_FEATURE_SENDMAIL_MAILXX
- // put errors recipient
- if (opts & OPT_e)
- printf("Errors-To: %s\r\n", opt_errors_to);
-#endif
-
- // make a random string -- it will delimit message parts
- srand(monotonic_us());
- boundary = xasprintf("%d-%d-%d", rand(), rand(), rand());
-
- // put common headers
- // TODO: do we really need this?
-// printf("Message-ID: <%s>\r\n", boundary);
-
-#if ENABLE_FEATURE_SENDMAIL_MAILX
- // have attachments? -> compose multipart MIME
- if (opt_attachments) {
- const char *fmt;
- const char *p;
- char *q;
-
- printf(
- "Mime-Version: 1.0\r\n"
- "%smultipart/mixed; boundary=\"%s\"\r\n"
- , "Content-Type: "
- , boundary
- );
-
- // body is pseudo attachment read from stdin in first turn
- llist_add_to(&opt_attachments, (char *)"-");
-
- // put body + attachment(s)
- // N.B. all these weird things just to be tiny
- // by reusing string patterns!
- fmt =
- "\r\n--%s\r\n"
- "%stext/plain; charset=%s\r\n"
- "%s%s\r\n"
- "%s"
- ;
- p = opt_charset;
- q = (char *)"";
- l = opt_attachments;
- while (l) {
- printf(
- fmt
- , boundary
- , "Content-Type: "
- , p
- , "Content-Disposition: inline"
- , q
- , "Content-Transfer-Encoding: base64\r\n"
- );
- p = "";
- fmt =
- "\r\n--%s\r\n"
- "%sapplication/octet-stream%s\r\n"
- "%s; filename=\"%s\"\r\n"
- "%s"
- ;
- uuencode(l->data, NULL);
- l = l->link;
- if (l)
- q = bb_get_last_path_component_strip(l->data);
- }
-
- // put message terminator
- printf("\r\n--%s--\r\n" "\r\n", boundary);
-
- // no attachments? -> just dump message
- } else
-#endif
- {
- char *s;
- // terminate headers
- printf("\r\n");
- // put plain text respecting leading dots
- while ((s = xmalloc_fgetline(fp0)) != NULL) {
- // escape leading dots
- // N.B. this feature is implied even if no -i (-oi) switch given
- // N.B. we need to escape the leading dot regardless of
- // whether it is single or not character on the line
- if ('.' == s[0] /*&& '\0' == s[1] */)
- printf(".");
- // dump read line
- printf("%s\r\n", s);
- }
- }
-
- // leave "put message" mode
- smtp_check(".", 250);
- // ... and say goodbye
- smtp_check("QUIT", 221);
- // cleanup
- if (ENABLE_FEATURE_CLEAN_UP)
- fclose(fp0);
-
- return EXIT_SUCCESS;
-}