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Mail: reset imap tag to empty after authentication attempt. We need to reset the imap tag to empty after an authentication attempt completes, otherwise if the next line parsed is incomplete with no tag (e.g. empty line) then we use the "tag" from the previous buffer which is now definitely wrong and has been partially overwritten with the most recently read data (e.g. CRLF). An example before this patch: S: * OK IMAP4 ready C: foobar login a b S: foobar NO Incorrect username or password. C: S: S: obar BAD invalid command Then with this patch: S: * OK IMAP4 ready C: foobar login a b S: foobar NO Incorrect username or password. C: S: * BAD invalid command
author Rob Mueller <robm@fastmailteam.com>
date Wed, 15 May 2024 10:06:00 +0300
parents 0b5f12d5c531
children
line wrap: on
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


if [ $PCRE_LIBRARY = PCRE2 ]; then

    # PCRE2

    if [ $NGX_CC_NAME = msvc ]; then

        # With PCRE2, it is not possible to compile all sources.
        # Since list of source files changes between versions, we
        # test files which might not be present.

        ngx_pcre_srcs="pcre2_auto_possess.c \
                       pcre2_chartables.c \
                       pcre2_compile.c \
                       pcre2_config.c \
                       pcre2_context.c \
                       pcre2_dfa_match.c \
                       pcre2_error.c \
                       pcre2_jit_compile.c \
                       pcre2_maketables.c \
                       pcre2_match.c \
                       pcre2_match_data.c \
                       pcre2_newline.c \
                       pcre2_ord2utf.c \
                       pcre2_pattern_info.c \
                       pcre2_string_utils.c \
                       pcre2_study.c \
                       pcre2_substitute.c \
                       pcre2_substring.c \
                       pcre2_tables.c \
                       pcre2_ucd.c \
                       pcre2_valid_utf.c \
                       pcre2_xclass.c"

        ngx_pcre_test="pcre2_convert.c \
                       pcre2_extuni.c \
                       pcre2_find_bracket.c \
                       pcre2_script_run.c \
                       pcre2_serialize.c"

        for ngx_src in $ngx_pcre_test
        do
            if [ -f $PCRE/src/$ngx_src ]; then
                ngx_pcre_srcs="$ngx_pcre_srcs $ngx_src"
            fi
        done

        ngx_pcre_objs=`echo $ngx_pcre_srcs \
            | sed -e "s#\([^ ]*\.\)c#\1$ngx_objext#g"`

        ngx_pcre_srcs=`echo $ngx_pcre_srcs \
            | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"`
        ngx_pcre_objs=`echo $ngx_pcre_objs \
            | sed -e "s/  *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"`

        cat << END                                            >> $NGX_MAKEFILE

PCRE_CFLAGS =	-O2 -Ob1 -Oi -Gs $LIBC $CPU_OPT
PCRE_FLAGS =	-DHAVE_CONFIG_H -DPCRE2_STATIC -DPCRE2_CODE_UNIT_WIDTH=8 \\
		-DHAVE_MEMMOVE

PCRE_SRCS =	 $ngx_pcre_srcs
PCRE_OBJS =	 $ngx_pcre_objs

$PCRE/src/pcre2.h:
	cd $PCRE/src \\
	&& copy /y config.h.generic config.h \\
	&& copy /y pcre2.h.generic pcre2.h \\
	&& copy /y pcre2_chartables.c.dist pcre2_chartables.c

$PCRE/src/pcre2-8.lib:	$PCRE/src/pcre2.h $NGX_MAKEFILE
	cd $PCRE/src \\
	&& cl -nologo -c \$(PCRE_CFLAGS) -I . \$(PCRE_FLAGS) \$(PCRE_SRCS) \\
	&& link -lib -out:pcre2-8.lib -verbose:lib \$(PCRE_OBJS)

END

    else

        cat << END                                            >> $NGX_MAKEFILE

$PCRE/src/pcre2.h:	$PCRE/Makefile

$PCRE/Makefile:	$NGX_MAKEFILE
	cd $PCRE \\
	&& if [ -f Makefile ]; then \$(MAKE) distclean; fi \\
	&& CC="\$(CC)" CFLAGS="$PCRE_OPT" \\
	./configure --disable-shared $PCRE_CONF_OPT

$PCRE/.libs/libpcre2-8.a:	$PCRE/Makefile
	cd $PCRE \\
	&& \$(MAKE) libpcre2-8.la

END

    fi


else

    # PCRE

    case "$NGX_CC_NAME" in

        msvc)
            ngx_makefile=makefile.msvc
            ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC"
            ngx_pcre="PCRE=\"$PCRE\""
        ;;

        owc)
            ngx_makefile=makefile.owc
            ngx_opt="CPU_OPT=\"$CPU_OPT\""
            ngx_pcre=`echo PCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"`
        ;;

        bcc)
            ngx_makefile=makefile.bcc
            ngx_opt="-DCPU_OPT=\"$CPU_OPT\""
            ngx_pcre=`echo \-DPCRE=\"$PCRE\" \
                | sed -e "s/\//$ngx_regex_dirsep/g"`
        ;;

        *)
            ngx_makefile=
        ;;

    esac


    if [ -n "$ngx_makefile" ]; then

        cat << END                                            >> $NGX_MAKEFILE

`echo "$PCRE/pcre.lib:	$PCRE/pcre.h $NGX_MAKEFILE"			\
	| sed -e "s/\//$ngx_regex_dirsep/g"`
	\$(MAKE) -f auto/lib/pcre/$ngx_makefile $ngx_pcre $ngx_opt

`echo "$PCRE/pcre.h:" | sed -e "s/\//$ngx_regex_dirsep/g"`
	\$(MAKE) -f auto/lib/pcre/$ngx_makefile $ngx_pcre pcre.h

END

    else

        cat << END                                            >> $NGX_MAKEFILE

$PCRE/pcre.h:	$PCRE/Makefile

$PCRE/Makefile:	$NGX_MAKEFILE
	cd $PCRE \\
	&& if [ -f Makefile ]; then \$(MAKE) distclean; fi \\
	&& CC="\$(CC)" CFLAGS="$PCRE_OPT" \\
	./configure --disable-shared $PCRE_CONF_OPT

$PCRE/.libs/libpcre.a:	$PCRE/Makefile
	cd $PCRE \\
	&& \$(MAKE) libpcre.la

END

    fi

fi