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# NOTE: Derived from blib/lib/Net/SSLeay.pm.
# Changes made here will be lost when autosplit is run again.
# See AutoSplit.pm.
package Net::SSLeay;
#line 630 "blib/lib/Net/SSLeay.pm (autosplit into blib/lib/auto/Net/SSLeay/ssl_write_all.al)"
sub ssl_write_all {
my $ssl = $_[0];
my ($data_ref, $errs);
if (ref $_[1]) {
$data_ref = $_[1];
} else {
$data_ref = \$_[1];
}
my ($wrote, $written, $to_write) = (0,0, blength($$data_ref));
my $vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " write_all VM at entry=$vm\n" if $trace>2;
while ($to_write) {
#sleep 1; # *** DEBUG
warn "partial `$$data_ref'\n" if $trace>3;
$wrote = write_partial($ssl, $written, $to_write, $$data_ref);
if (defined $wrote && ($wrote > 0)) { # write_partial can return -1
$written += $wrote;
$to_write -= $wrote;
} else {
if (defined $wrote) {
# check error conditions via SSL_get_error per man page
if ( my $sslerr = get_error($ssl, $wrote) ) {
my $errstr = ERR_error_string($sslerr);
my $errname = '';
SWITCH: {
$sslerr == constant("ERROR_NONE") && do {
# according to map page SSL_get_error(3ssl):
# The TLS/SSL I/O operation completed.
# This result code is returned if and only if ret > 0
# so if we received it here complain...
warn "ERROR_NONE unexpected with invalid return value!"
if $trace;
$errname = "SSL_ERROR_NONE";
};
$sslerr == constant("ERROR_WANT_READ") && do {
# operation did not complete, call again later, so do not
# set errname and empty err_que since this is a known
# error that is expected but, we should continue to try
# writing the rest of our data with same io call and params.
warn "ERROR_WANT_READ (TLS/SSL Handshake, will continue)\n"
if $trace;
print_errs('SSL_write(want read)');
last SWITCH;
};
$sslerr == constant("ERROR_WANT_WRITE") && do {
# operation did not complete, call again later, so do not
# set errname and empty err_que since this is a known
# error that is expected but, we should continue to try
# writing the rest of our data with same io call and params.
warn "ERROR_WANT_WRITE (TLS/SSL Handshake, will continue)\n"
if $trace;
print_errs('SSL_write(want write)');
last SWITCH;
};
$sslerr == constant("ERROR_ZERO_RETURN") && do {
# valid protocol closure from other side, no longer able to
# write, since there is no longer a session...
warn "ERROR_ZERO_RETURN($wrote): TLS/SSLv3 Closure alert\n"
if $trace;
$errname = "SSL_ERROR_ZERO_RETURN";
last SWITCH;
};
$sslerr == constant("ERROR_SSL") && do {
# library/protocol error
warn "ERROR_SSL($wrote): Library/Protocol error occured\n"
if $trace;
$errname = "SSL_ERROR_SSL";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_CONNECT") && do {
# according to man page, should never happen on call to
# SSL_write, so complain, but handle as known error type
warn "ERROR_WANT_CONNECT: Unexpected error for SSL_write\n"
if $trace;
$errname = "SSL_ERROR_WANT_CONNECT";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_ACCEPT") && do {
# according to man page, should never happen on call to
# SSL_write, so complain, but handle as known error type
warn "ERROR_WANT_ACCEPT: Unexpected error for SSL_write\n"
if $trace;
$errname = "SSL_ERROR_WANT_ACCEPT";
last SWITCH;
};
$sslerr == constant("ERROR_WANT_X509_LOOKUP") && do {
# operation did not complete: waiting on call back,
# call again later, so do not set errname and empty err_que
# since this is a known error that is expected but, we should
# continue to try writing the rest of our data with same io
# call parameter.
warn "ERROR_WANT_X509_LOOKUP: (Cert Callback asked for in ".
"SSL_write will contine)\n" if $trace;
print_errs('SSL_write(want x509');
last SWITCH;
};
$sslerr == constant("ERROR_SYSCALL") && do {
# some IO error occured. According to man page:
# Check retval, ERR, fallback to errno
if ($wrote==0) { # EOF
warn "ERROR_SYSCALL($wrote): EOF violates protocol.\n"
if $trace;
$errname = "SSL_ERROR_SYSCALL(EOF)";
} else { # -1 underlying BIO error reported.
# check error que for details, don't set errname since we
# are directly appending to errs
my $chkerrs = print_errs('SSL_write (syscall)');
if ($chkerrs) {
warn "ERROR_SYSCALL($wrote): Have errors\n" if $trace;
$errs .= "ssl_write_all $$: 1 - ERROR_SYSCALL($wrote,".
"$sslerr,$errstr,$!)\n$chkerrs";
} else { # que was empty, use errno
warn "ERROR_SYSCALL($wrote): errno($!)\n" if $trace;
$errs .= "ssl_write_all $$: 1 - ERROR_SYSCALL($wrote,".
"$sslerr) : $!\n";
}
}
last SWITCH;
};
warn "Unhandled val $sslerr from SSL_get_error(SSL,$wrote)\n"
if $trace;
$errname = "SSL_ERROR_?($sslerr)";
} # end of SWITCH block
if ($errname) { # if we had an errname set add the error
$errs .= "ssl_write_all $$: 1 - $errname($wrote,$sslerr,".
"$errstr,$!)\n";
}
} # endif on have SSL_get_error val
} # endif on $wrote defined
} # endelse on $wrote > 0
$vm = $trace>2 && $linux_debug ?
(split ' ', `cat /proc/$$/stat`)[22] : 'vm_unknown';
warn " written so far $wrote:$written bytes (VM=$vm)\n" if $trace>2;
# append remaining errors in que and report if errs exist
$errs .= print_errs('SSL_write');
return (wantarray ? (undef, $errs) : undef) if $errs;
}
return wantarray ? ($written, $errs) : $written;
}
# end of Net::SSLeay::ssl_write_all
1;