sendmail: update from maintainer
This commit is contained in:
Denis Vlasenko
parent
bbd55c9ec7
commit
3dee8e2bac
@ -306,7 +306,7 @@ USE_RX(APPLET(rx, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_SCRIPT(APPLET(script, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_SED(APPLET(sed, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_SELINUXENABLED(APPLET(selinuxenabled, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_SENDMAIL(APPLET_ODDNAME(sendmail, sendgetmail, _BB_DIR_USR_BIN, _BB_SUID_NEVER, sendmail))
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USE_SENDMAIL(APPLET_ODDNAME(sendmail, sendgetmail, _BB_DIR_USR_SBIN, _BB_SUID_NEVER, sendmail))
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USE_SEQ(APPLET_NOFORK(seq, seq, _BB_DIR_USR_BIN, _BB_SUID_NEVER, seq))
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USE_SESTATUS(APPLET(sestatus, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_SETARCH(APPLET(setarch, _BB_DIR_BIN, _BB_SUID_NEVER))
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@ -1088,11 +1088,12 @@
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"\n -S SECTORS" \
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#define fetchmail_trivial_usage \
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"[-w timeout] [-U user] -P password [-X] [-t] [-z] server[:port] maildir [prog]"
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"[-w timeout] [-H server[:port]] [-U user] -P password [-X] [-t] [-z] maildir [prog]"
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#define fetchmail_full_usage "\n\n" \
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"Fetch content of remote mailbox to local Maildir.\n" \
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"\nOptions:" \
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"\n -w timeout Set timeout on network operations" \
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"\n -H server[:port] Set server" \
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"\n -U username Authenticate with specified username/password" \
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"\n -P password" \
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"\n -X Use openssl connection helper for secured servers" \
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@ -3425,19 +3426,23 @@
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#define selinuxenabled_full_usage ""
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#define sendmail_trivial_usage \
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"[-w timeout] [-U user] [-P password] [-X]\n" \
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"-t to [-t to]... [-n] [-s subject] [-c charset] server[:port] from [body] [attachment ...]"
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"[-w timeout] [-H server[:port]] [-U user] [-P password] [-X]\n" \
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"[-c charset] [-n] [-i] [-s subject] [-a attach]... [-t] [-f sender] [rcpt]..."
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#define sendmail_full_usage "\n\n" \
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"Send an email.\n" \
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"\nOptions:" \
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"\n -w timeout Set timeout on network operations" \
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"\n -H server[:port] Set server" \
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"\n -U username Authenticate with specified username/password" \
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"\n -P password" \
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"\n -t address Recipient(s). May be repeated" \
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"\n -X Use openssl connection helper for secured servers" \
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"\n -n Request delivery notification to sender" \
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"\n -s subject Subject" \
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"\n -c charset Assumed charset for body and subject [utf-8]" \
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"\n -n Request delivery notification to sender" \
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"\n -i Ignore single dots in mail body. Implied" \
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"\n -s subject Subject" \
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"\n -a file File to attach. May be multiple" \
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"\n -t Read recipients and subject from body" \
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"\n -f Set sender address" \
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#define seq_trivial_usage \
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"[first [increment]] last"
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@ -61,6 +61,8 @@ static void uuencode(char *fname, const char *text)
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}
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if (fname)
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close(fd);
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#undef src_buf
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#undef len
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}
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struct globals {
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@ -82,7 +84,7 @@ struct globals {
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xargs[1] = "s_client"; \
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xargs[2] = "-quiet"; \
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xargs[3] = "-connect"; \
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/*xargs[4] = "server[:port]";*/ \
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/*xargs[4] = "localhost";*/ \
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xargs[5] = "-tls1"; \
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xargs[6] = "-starttls"; \
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xargs[7] = "smtp"; \
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@ -115,6 +117,16 @@ static void signal_handler(int signo)
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if (wait_any_nohang(&err) > 0)
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if (WIFEXITED(err) && WEXITSTATUS(err))
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bb_error_msg_and_die("child exited (%d)", WEXITSTATUS(err));
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#undef err
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}
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/* libbb candidate */
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static pid_t vfork_or_die(void)
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{
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pid_t pid = vfork();
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if (pid < 0)
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bb_perror_msg_and_die("vfork");
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return pid;
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}
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static void launch_helper(const char **argv)
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@ -122,12 +134,11 @@ static void launch_helper(const char **argv)
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// setup vanilla unidirectional pipes interchange
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int idx;
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int pipes[4];
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xpipe(pipes);
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xpipe(pipes+2);
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helper_pid = vfork();
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if (helper_pid < 0)
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bb_perror_msg_and_die("vfork");
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idx = (!helper_pid)*2;
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helper_pid = vfork_or_die();
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idx = (!helper_pid) * 2;
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xdup2(pipes[idx], STDIN_FILENO);
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xdup2(pipes[3-idx], STDOUT_FILENO);
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if (ENABLE_FEATURE_CLEAN_UP)
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@ -255,29 +266,31 @@ int sendgetmail_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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llist_t *opt_recipients = NULL;
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llist_t *opt_attachments = NULL;
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char *opt_from;
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const char *opt_user;
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const char *opt_pass;
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enum {
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OPT_w = 1 << 0, // network timeout
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OPT_U = 1 << 1, // user
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OPT_P = 1 << 2, // password
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OPT_X = 1 << 3, // connect using openssl s_client helper
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OPT_H = 1 << 1, // server[:port]
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OPT_U = 1 << 2, // user
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OPT_P = 1 << 3, // password
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OPT_X = 1 << 4, // connect using openssl s_client helper
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OPTS_n = 1 << 4, // sendmail: request notification
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OPTF_t = 1 << 4, // fetchmail: use "TOP" not "RETR"
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OPTS_t = 1 << 5, // sendmail: read addresses from body
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OPTF_t = 1 << 5, // fetchmail: use "TOP" not "RETR"
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OPTS_s = 1 << 5, // sendmail: subject
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OPTF_z = 1 << 5, // fetchmail: delete from server
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OPTS_s = 1 << 6, // sendmail: subject
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OPTF_z = 1 << 6, // fetchmail: delete from server
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OPTS_c = 1 << 6, // sendmail: assumed charset
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OPTS_t = 1 << 7, // sendmail: recipient(s)
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OPTS_i = 1 << 8, // sendmail: ignore lone dots in message body (implied)
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OPTS_c = 1 << 7, // sendmail: assumed charset
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OPTS_a = 1 << 8, // sendmail: attachment(s)
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OPTS_i = 1 << 9, // sendmail: ignore lone dots in message body (implied)
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OPTS_n = 1 << 10, // sendmail: request notification
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};
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const char *options;
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unsigned opts;
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int opts;
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// init global variables
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INIT_G();
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@ -289,25 +302,30 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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// SENDMAIL
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// save initial stdin (body or attachements can be piped!)
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xdup2(STDIN_FILENO, INITIAL_STDIN_FILENO);
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opt_complementary = "-2:w+:t::";
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options = "w:U:P:X" "ns:c:t:i";
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opt_complementary = "w+:a::";
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options = "w:H:U:P:Xt" "s:c:a:inf:";
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// body is pseudo attachment read from stdin
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llist_add_to_end(&opt_attachments, (char *)"-");
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} else {
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// FETCHMAIL
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opt_after_connect = NULL;
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opt_complementary = "-2:w+:P";
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options = "w:U:P:X" "tz";
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opt_complementary = "-1:w+:P";
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options = "w:H:U:P:Xt" "z";
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}
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opts = getopt32(argv, options,
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&timeout, &opt_user, &opt_pass,
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&opt_subject, &opt_charset, &opt_recipients
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&timeout, &opt_connect, &opt_user, &opt_pass,
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&opt_subject, &opt_charset, &opt_attachments, &opt_from
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);
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//argc -= optind;
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argv += optind;
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// first argument is remote server[:port]
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opt_connect = *argv++;
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// connect to server
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// host[:port] not specified ? -> use $HOST. no $HOST ? -> use localhost
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if (!(opts & OPT_H)) {
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opt_connect = getenv("HOST");
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if (!opt_connect)
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opt_connect = "127.0.0.1";
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}
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// SSL ordered? ->
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if (opts & OPT_X) {
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// ... use openssl helper
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@ -323,20 +341,27 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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}
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#if ENABLE_FETCHMAIL
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// we are sendmail?
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// are we sendmail?
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if (opt_after_connect)
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#endif
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{
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/***************************************************
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* SENDMAIL
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***************************************************/
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char *opt_from;
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{
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int code;
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char *boundary;
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const char *fmt;
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const char *p;
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char *q;
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llist_t *l;
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// recipients specified as arguments
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while (*argv) {
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// loose test on email address validity
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if (strchr(sane(*argv), '@'))
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llist_add_to_end(&opt_recipients, *argv);
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argv++;
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}
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// we didn't use SSL helper? ->
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if (!(opts & OPT_X)) {
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@ -344,13 +369,13 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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smtp_check(NULL, 220);
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}
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// get the sender
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opt_from = sane(*argv++);
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// if no recipients _and_ no body files specified -> enter all-included mode
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// if -t specified or no recipients specified -> enter all-included mode
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// i.e. scan stdin for To: and Subject: lines ...
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// ... and then use the rest of stdin as message body
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if (!opt_recipients && !*argv) {
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// N.B. subject read from body has priority
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// over that specified on command line.
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// recipients are merged
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if (opts & OPTS_t || !opt_recipients) {
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// fetch recipients and (optionally) subject
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char *s;
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while ((s = xmalloc_reads(INITIAL_STDIN_FILENO, NULL, NULL)) != NULL) {
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@ -366,13 +391,11 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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break; // empty line
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}
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}
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// order to read body from stdin
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*--argv = (char *)"-";
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}
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// introduce to server
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// we should start with modern EHLO
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if (250 != smtp_checkp("EHLO %s", opt_from, -1)) {
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if (250 != smtp_checkp("EHLO %s", sane(opt_from), -1)) {
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smtp_checkp("HELO %s", opt_from, 250);
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}
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@ -404,8 +427,8 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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}
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// set recipients
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for (llist_t *to = opt_recipients; to; to = to->link) {
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smtp_checkp("RCPT TO:<%s>", sane(to->data), 250);
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for (l = opt_recipients; l; l = l->link) {
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smtp_checkp("RCPT TO:<%s>", sane(l->data), 250);
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}
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// enter "put message" mode
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@ -413,8 +436,8 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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// put address headers
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printf("From: %s\r\n", opt_from);
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for (llist_t *to = opt_recipients; to; to = to->link) {
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printf("To: %s\r\n", to->data);
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for (l = opt_recipients; l; l = l->link) {
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printf("To: %s\r\n", l->data);
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}
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// put encoded subject
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@ -455,7 +478,8 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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;
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p = opt_charset;
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q = (char *)"";
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while (*argv) {
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l = opt_attachments;
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while (l) {
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printf(
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fmt
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, boundary
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@ -472,9 +496,10 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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"%s; filename=\"%s\"\r\n"
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"%s"
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;
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uuencode(*argv, NULL);
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if (*(++argv))
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q = bb_get_last_path_component_strip(*argv);
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uuencode(l->data, NULL);
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l = l->link;
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if (l)
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q = bb_get_last_path_component_strip(l->data);
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}
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// put message terminator
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@ -484,12 +509,12 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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smtp_check(".", 250);
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// ... and say goodbye
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smtp_check("QUIT", 221);
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}
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#if ENABLE_FETCHMAIL
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} else {
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/***************************************************
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* FETCHMAIL
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***************************************************/
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else {
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char *buf;
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unsigned nmsg;
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@ -570,7 +595,8 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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for (; nmsg; nmsg--) {
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// generate unique filename
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char *filename = xasprintf("tmp/%llu.%u.%s", monotonic_us(), pid, hostname);
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char *filename = xasprintf("tmp/%llu.%u.%s",
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monotonic_us(), (unsigned)pid, hostname);
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char *target;
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int rc;
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@ -604,8 +630,8 @@ int sendgetmail_main(int argc ATTRIBUTE_UNUSED, char **argv)
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// Bye
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pop3_check("QUIT", NULL);
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#endif // ENABLE_FETCHMAIL
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}
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#endif // ENABLE_FETCHMAIL
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return 0;
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}
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