X-Original-To: alpine-aports@lists.alpinelinux.org Received: from mail-wm0-f65.google.com (mail-wm0-f65.google.com [74.125.82.65]) by lists.alpinelinux.org (Postfix) with ESMTP id 962545C4147 for ; Thu, 30 Jun 2016 19:34:12 +0000 (GMT) Received: by mail-wm0-f65.google.com with SMTP id 187so3485wmz.1 for ; Thu, 30 Jun 2016 12:34:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kampka-net.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=TKz++qXGXKAVTikqVaH8UGn6aNAWGv/IKxmhfhMtMUM=; b=ubCphLvIug3lvvrFeBjCPOJ+ap9QDCv0b2UnXW6BY9s5C1W40BN5h9iixgAdpYiXde peHtg1jIiz6M2zVdgmqULcuyoCCjnBcJKgkwKmza1spdogWzCiWTCg0MkEn7hCunnkEI mq28imQBKkYrQsXv5KMgIOJ5+bVhttKO3yUCgA+AgrWx6N466MDZCra6hQi3/bmHOHZt poPAm2Knl0EQwYBiwkdSB1VYM8IRwGBX6wt1O0dsdUN+MdT5hKdHoVY2P7lVidcJQ/PY dCNxtmW6Hwrj/mBE7fl3pn9FQmaRyQRogkHO3963iP6mL+rEs2dJ5oyBTOnGkJA7V+Yn idUQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=TKz++qXGXKAVTikqVaH8UGn6aNAWGv/IKxmhfhMtMUM=; b=NORBQ9PwOc9OG1CAxWwZk5ZLV+S2S3JfWl86d+z5ZfC29tRwrsGmsFX0XNwav+y4Kp V7zyKUBx9KuisEZAJ9/gqUG5kxMA1XPsthXQ2xEWhNLYlhXUctTTRfIePhtkIYfn5HKq 4YZR9IjyNJFgoBB2ZA3kIO0nJKfD4KR/vpbriChjGyzXAZrKWJ2HYIpknpsli2uW6EqV o6xL2kQ/jx/teLdcR4iMhw/rITCrN1EQrNlj5EuAp8wkB67kDxnAOYWRv15WRN33+81R exqboGZWQgutpEC0RwQmSLz18TPbX1kBlmcTAIGJEmdWzgupxZijs1XuFuRdfL72xk9I NC9Q== X-Gm-Message-State: ALyK8tLMFOcPS7X1SlV86WldOhJgiJ3IUlJrmk71GR5STwYWi9y5gjimtEipnM4cPm146Q== X-Received: by 10.194.105.200 with SMTP id go8mr16451646wjb.83.1467315251544; Thu, 30 Jun 2016 12:34:11 -0700 (PDT) Received: from localhost (p57AEC31C.dip0.t-ipconnect.de. [87.174.195.28]) by smtp.gmail.com with ESMTPSA id el4sm4381150wjd.23.2016.06.30.12.34.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 Jun 2016 12:34:10 -0700 (PDT) From: Christian Kampka To: alpine-aports@lists.alpinelinux.org Cc: Christian Kampka Subject: [alpine-aports] [PATCH] main/expat: new upstream version 2.2.0 Date: Thu, 30 Jun 2016 21:34:07 +0200 Message-Id: <20160630193407.20138-1-christian@kampka.net> X-Mailer: git-send-email 2.8.3 X-Mailinglist: alpine-aports Precedence: list List-Id: Alpine Development List-Unsubscribe: List-Post: List-Help: List-Subscribe: --- main/expat/APKBUILD | 12 +- main/expat/CVE-2016-0718.patch | 755 ----------------------------------------- 2 files changed, 4 insertions(+), 763 deletions(-) delete mode 100644 main/expat/CVE-2016-0718.patch diff --git a/main/expat/APKBUILD b/main/expat/APKBUILD index 57cea12..52c8933 100644 --- a/main/expat/APKBUILD +++ b/main/expat/APKBUILD @@ -1,6 +1,6 @@ # Maintainer: Carlo Landmeter pkgname=expat -pkgver=2.1.1 +pkgver=2.2.0 pkgrel=0 pkgdesc="An XML Parser library written in C" url="http://www.libexpat.org/" @@ -9,7 +9,6 @@ license='MIT' depends= makedepends= source="http://downloads.sourceforge.net/project/expat/expat/$pkgver/expat-$pkgver.tar.bz2 - CVE-2016-0718.patch " subpackages="$pkgname-dev $pkgname-doc" @@ -30,9 +29,6 @@ package() { cd "$builddir" make DESTDIR="$pkgdir/" install || return 1 } -md5sums="7380a64a8e3a9d66a9887b01d0d7ea81 expat-2.1.1.tar.bz2 -1b44aacd01618cf14ceed11f77eccd69 CVE-2016-0718.patch" -sha256sums="aff584e5a2f759dcfc6d48671e9529f6afe1e30b0cd6a4cec200cbe3f793de67 expat-2.1.1.tar.bz2 -665c3bbd46dc7e65696b3f6b7f3ba23d1427eb95686ceb4e305b19e534036403 CVE-2016-0718.patch" -sha512sums="088e2ef3434f2affd4fc79fe46f0e9826b9b4c3931ddc780cd18892f1cd1e11365169c6807f45916a56bb6abcc627dcd17a23f970be0bf464f048f5be2713628 expat-2.1.1.tar.bz2 -6ab9227c70e210fd6970281103f433ca0d51c56f185a6c516cd239a1b69e20dbd523ef8d55260dac4a13503a44c3f5de050a04946a683da11ef18998a199fac0 CVE-2016-0718.patch" +md5sums="2f47841c829facb346eb6e3fab5212e2 expat-2.2.0.tar.bz2" +sha256sums="d9e50ff2d19b3538bd2127902a89987474e1a4db8e43a66a4d1a712ab9a504ff expat-2.2.0.tar.bz2" +sha512sums="2be1a6eea87b439374bfacb1fbb8e814fd8a085d5dfd3ca3be69d1af29b5dc93d36cbdec5f6843ca6d5910843c7ffbc498adc2a561b9dcece488edf3c6f8c7c8 expat-2.2.0.tar.bz2" diff --git a/main/expat/CVE-2016-0718.patch b/main/expat/CVE-2016-0718.patch deleted file mode 100644 index 7ba93f8..0000000 --- a/main/expat/CVE-2016-0718.patch +++ /dev/null @@ -1,755 +0,0 @@ -From cdfcb1b5c95e93b00ae9e9d25708b4a3bee72c15 Mon Sep 17 00:00:00 2001 -From: Sebastian Pipping -Date: Mon, 2 May 2016 00:02:44 +0200 -Subject: [PATCH] Address CVE-2016-0718 (/patch/ version 2.2.1) - -* Out of bounds memory access when doing text conversion on malformed input -* Integer overflow related to memory allocation - -Reported by Gustavo Grieco - -Patch credits go to -* Christian Heimes -* Karl Waclawek -* Gustavo Grieco -* Sebastian Pipping -* Pascal Cuoq ---- - expat/lib/xmlparse.c | 34 +++++++++----- - expat/lib/xmltok.c | 115 +++++++++++++++++++++++++++++++++++------------- - expat/lib/xmltok.h | 10 ++++- - expat/lib/xmltok_impl.c | 62 +++++++++++++------------- - 4 files changed, 146 insertions(+), 75 deletions(-) - -diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c -index e308c79..13e080d 100644 ---- a/expat/lib/xmlparse.c -+++ b/lib/xmlparse.c -@@ -2426,11 +2426,11 @@ doContent(XML_Parser parser, - for (;;) { - int bufSize; - int convLen; -- XmlConvert(enc, -+ const enum XML_Convert_Result convert_res = XmlConvert(enc, - &fromPtr, rawNameEnd, - (ICHAR **)&toPtr, (ICHAR *)tag->bufEnd - 1); - convLen = (int)(toPtr - (XML_Char *)tag->buf); -- if (fromPtr == rawNameEnd) { -+ if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) { - tag->name.strLen = convLen; - break; - } -@@ -2651,11 +2651,11 @@ doContent(XML_Parser parser, - if (MUST_CONVERT(enc, s)) { - for (;;) { - ICHAR *dataPtr = (ICHAR *)dataBuf; -- XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); -+ const enum XML_Convert_Result convert_res = XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); - *eventEndPP = s; - charDataHandler(handlerArg, dataBuf, - (int)(dataPtr - (ICHAR *)dataBuf)); -- if (s == next) -+ if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) - break; - *eventPP = s; - } -@@ -3261,11 +3261,11 @@ doCdataSection(XML_Parser parser, - if (MUST_CONVERT(enc, s)) { - for (;;) { - ICHAR *dataPtr = (ICHAR *)dataBuf; -- XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); -+ const enum XML_Convert_Result convert_res = XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); - *eventEndPP = next; - charDataHandler(handlerArg, dataBuf, - (int)(dataPtr - (ICHAR *)dataBuf)); -- if (s == next) -+ if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) - break; - *eventPP = s; - } -@@ -5342,6 +5342,7 @@ reportDefault(XML_Parser parser, const ENCODING *enc, - const char *s, const char *end) - { - if (MUST_CONVERT(enc, s)) { -+ enum XML_Convert_Result convert_res; - const char **eventPP; - const char **eventEndPP; - if (enc == encoding) { -@@ -5354,11 +5355,11 @@ reportDefault(XML_Parser parser, const ENCODING *enc, - } - do { - ICHAR *dataPtr = (ICHAR *)dataBuf; -- XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd); -+ convert_res = XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd); - *eventEndPP = s; - defaultHandler(handlerArg, dataBuf, (int)(dataPtr - (ICHAR *)dataBuf)); - *eventPP = s; -- } while (s != end); -+ } while ((convert_res != XML_CONVERT_COMPLETED) && (convert_res != XML_CONVERT_INPUT_INCOMPLETE)); - } - else - defaultHandler(handlerArg, (XML_Char *)s, (int)((XML_Char *)end - (XML_Char *)s)); -@@ -6163,8 +6164,8 @@ poolAppend(STRING_POOL *pool, const ENCODING *enc, - if (!pool->ptr && !poolGrow(pool)) - return NULL; - for (;;) { -- XmlConvert(enc, &ptr, end, (ICHAR **)&(pool->ptr), (ICHAR *)pool->end); -- if (ptr == end) -+ const enum XML_Convert_Result convert_res = XmlConvert(enc, &ptr, end, (ICHAR **)&(pool->ptr), (ICHAR *)pool->end); -+ if ((convert_res == XML_CONVERT_COMPLETED) || (convert_res == XML_CONVERT_INPUT_INCOMPLETE)) - break; - if (!poolGrow(pool)) - return NULL; -@@ -6248,8 +6249,13 @@ poolGrow(STRING_POOL *pool) - } - } - if (pool->blocks && pool->start == pool->blocks->s) { -- int blockSize = (int)(pool->end - pool->start)*2; -- BLOCK *temp = (BLOCK *) -+ BLOCK *temp; -+ int blockSize = (int)((unsigned)(pool->end - pool->start)*2U); -+ -+ if (blockSize < 0) -+ return XML_FALSE; -+ -+ temp = (BLOCK *) - pool->mem->realloc_fcn(pool->blocks, - (offsetof(BLOCK, s) - + blockSize * sizeof(XML_Char))); -@@ -6264,6 +6270,10 @@ poolGrow(STRING_POOL *pool) - else { - BLOCK *tem; - int blockSize = (int)(pool->end - pool->start); -+ -+ if (blockSize < 0) -+ return XML_FALSE; -+ - if (blockSize < INIT_BLOCK_SIZE) - blockSize = INIT_BLOCK_SIZE; - else -diff --git a/expat/lib/xmltok.c b/expat/lib/xmltok.c -index bf09dfc..cb98ce1 100644 ---- a/expat/lib/xmltok.c -+++ b/lib/xmltok.c -@@ -318,39 +318,55 @@ enum { /* UTF8_cvalN is value of masked first byte of N byte sequence */ - UTF8_cval4 = 0xf0 - }; - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - utf8_toUtf8(const ENCODING *enc, - const char **fromP, const char *fromLim, - char **toP, const char *toLim) - { -+ enum XML_Convert_Result res = XML_CONVERT_COMPLETED; - char *to; - const char *from; - if (fromLim - *fromP > toLim - *toP) { - /* Avoid copying partial characters. */ -+ res = XML_CONVERT_OUTPUT_EXHAUSTED; - for (fromLim = *fromP + (toLim - *toP); fromLim > *fromP; fromLim--) - if (((unsigned char)fromLim[-1] & 0xc0) != 0x80) - break; - } -- for (to = *toP, from = *fromP; from != fromLim; from++, to++) -+ for (to = *toP, from = *fromP; (from < fromLim) && (to < toLim); from++, to++) - *to = *from; - *fromP = from; - *toP = to; -+ -+ if ((to == toLim) && (from < fromLim)) -+ return XML_CONVERT_OUTPUT_EXHAUSTED; -+ else -+ return res; - } - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - utf8_toUtf16(const ENCODING *enc, - const char **fromP, const char *fromLim, - unsigned short **toP, const unsigned short *toLim) - { -+ enum XML_Convert_Result res = XML_CONVERT_COMPLETED; - unsigned short *to = *toP; - const char *from = *fromP; -- while (from != fromLim && to != toLim) { -+ while (from < fromLim && to < toLim) { - switch (((struct normal_encoding *)enc)->type[(unsigned char)*from]) { - case BT_LEAD2: -+ if (fromLim - from < 2) { -+ res = XML_CONVERT_INPUT_INCOMPLETE; -+ break; -+ } - *to++ = (unsigned short)(((from[0] & 0x1f) << 6) | (from[1] & 0x3f)); - from += 2; - break; - case BT_LEAD3: -+ if (fromLim - from < 3) { -+ res = XML_CONVERT_INPUT_INCOMPLETE; -+ break; -+ } - *to++ = (unsigned short)(((from[0] & 0xf) << 12) - | ((from[1] & 0x3f) << 6) | (from[2] & 0x3f)); - from += 3; -@@ -358,8 +374,14 @@ utf8_toUtf16(const ENCODING *enc, - case BT_LEAD4: - { - unsigned long n; -- if (to + 1 == toLim) -+ if (toLim - to < 2) { -+ res = XML_CONVERT_OUTPUT_EXHAUSTED; - goto after; -+ } -+ if (fromLim - from < 4) { -+ res = XML_CONVERT_INPUT_INCOMPLETE; -+ goto after; -+ } - n = ((from[0] & 0x7) << 18) | ((from[1] & 0x3f) << 12) - | ((from[2] & 0x3f) << 6) | (from[3] & 0x3f); - n -= 0x10000; -@@ -377,6 +399,7 @@ utf8_toUtf16(const ENCODING *enc, - after: - *fromP = from; - *toP = to; -+ return res; - } - - #ifdef XML_NS -@@ -425,7 +448,7 @@ static const struct normal_encoding internal_utf8_encoding = { - STANDARD_VTABLE(sb_) NORMAL_VTABLE(utf8_) - }; - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - latin1_toUtf8(const ENCODING *enc, - const char **fromP, const char *fromLim, - char **toP, const char *toLim) -@@ -433,30 +456,35 @@ latin1_toUtf8(const ENCODING *enc, - for (;;) { - unsigned char c; - if (*fromP == fromLim) -- break; -+ return XML_CONVERT_COMPLETED; - c = (unsigned char)**fromP; - if (c & 0x80) { - if (toLim - *toP < 2) -- break; -+ return XML_CONVERT_OUTPUT_EXHAUSTED; - *(*toP)++ = (char)((c >> 6) | UTF8_cval2); - *(*toP)++ = (char)((c & 0x3f) | 0x80); - (*fromP)++; - } - else { - if (*toP == toLim) -- break; -+ return XML_CONVERT_OUTPUT_EXHAUSTED; - *(*toP)++ = *(*fromP)++; - } - } - } - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - latin1_toUtf16(const ENCODING *enc, - const char **fromP, const char *fromLim, - unsigned short **toP, const unsigned short *toLim) - { -- while (*fromP != fromLim && *toP != toLim) -+ while (*fromP < fromLim && *toP < toLim) - *(*toP)++ = (unsigned char)*(*fromP)++; -+ -+ if ((*toP == toLim) && (*fromP < fromLim)) -+ return XML_CONVERT_OUTPUT_EXHAUSTED; -+ else -+ return XML_CONVERT_COMPLETED; - } - - #ifdef XML_NS -@@ -483,13 +511,18 @@ static const struct normal_encoding latin1_encoding = { - STANDARD_VTABLE(sb_) - }; - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - ascii_toUtf8(const ENCODING *enc, - const char **fromP, const char *fromLim, - char **toP, const char *toLim) - { -- while (*fromP != fromLim && *toP != toLim) -+ while (*fromP < fromLim && *toP < toLim) - *(*toP)++ = *(*fromP)++; -+ -+ if ((*toP == toLim) && (*fromP < fromLim)) -+ return XML_CONVERT_OUTPUT_EXHAUSTED; -+ else -+ return XML_CONVERT_COMPLETED; - } - - #ifdef XML_NS -@@ -536,13 +569,14 @@ unicode_byte_type(char hi, char lo) - } - - #define DEFINE_UTF16_TO_UTF8(E) \ --static void PTRCALL \ -+static enum XML_Convert_Result PTRCALL \ - E ## toUtf8(const ENCODING *enc, \ - const char **fromP, const char *fromLim, \ - char **toP, const char *toLim) \ - { \ -- const char *from; \ -- for (from = *fromP; from != fromLim; from += 2) { \ -+ const char *from = *fromP; \ -+ fromLim = from + (((fromLim - from) >> 1) << 1); /* shrink to even */ \ -+ for (; from < fromLim; from += 2) { \ - int plane; \ - unsigned char lo2; \ - unsigned char lo = GET_LO(from); \ -@@ -552,7 +586,7 @@ E ## toUtf8(const ENCODING *enc, \ - if (lo < 0x80) { \ - if (*toP == toLim) { \ - *fromP = from; \ -- return; \ -+ return XML_CONVERT_OUTPUT_EXHAUSTED; \ - } \ - *(*toP)++ = lo; \ - break; \ -@@ -562,7 +596,7 @@ E ## toUtf8(const ENCODING *enc, \ - case 0x4: case 0x5: case 0x6: case 0x7: \ - if (toLim - *toP < 2) { \ - *fromP = from; \ -- return; \ -+ return XML_CONVERT_OUTPUT_EXHAUSTED; \ - } \ - *(*toP)++ = ((lo >> 6) | (hi << 2) | UTF8_cval2); \ - *(*toP)++ = ((lo & 0x3f) | 0x80); \ -@@ -570,7 +604,7 @@ E ## toUtf8(const ENCODING *enc, \ - default: \ - if (toLim - *toP < 3) { \ - *fromP = from; \ -- return; \ -+ return XML_CONVERT_OUTPUT_EXHAUSTED; \ - } \ - /* 16 bits divided 4, 6, 6 amongst 3 bytes */ \ - *(*toP)++ = ((hi >> 4) | UTF8_cval3); \ -@@ -580,7 +614,11 @@ E ## toUtf8(const ENCODING *enc, \ - case 0xD8: case 0xD9: case 0xDA: case 0xDB: \ - if (toLim - *toP < 4) { \ - *fromP = from; \ -- return; \ -+ return XML_CONVERT_OUTPUT_EXHAUSTED; \ -+ } \ -+ if (fromLim - from < 4) { \ -+ *fromP = from; \ -+ return XML_CONVERT_INPUT_INCOMPLETE; \ - } \ - plane = (((hi & 0x3) << 2) | ((lo >> 6) & 0x3)) + 1; \ - *(*toP)++ = ((plane >> 2) | UTF8_cval4); \ -@@ -596,20 +634,32 @@ E ## toUtf8(const ENCODING *enc, \ - } \ - } \ - *fromP = from; \ -+ if (from < fromLim) \ -+ return XML_CONVERT_INPUT_INCOMPLETE; \ -+ else \ -+ return XML_CONVERT_COMPLETED; \ - } - - #define DEFINE_UTF16_TO_UTF16(E) \ --static void PTRCALL \ -+static enum XML_Convert_Result PTRCALL \ - E ## toUtf16(const ENCODING *enc, \ - const char **fromP, const char *fromLim, \ - unsigned short **toP, const unsigned short *toLim) \ - { \ -+ enum XML_Convert_Result res = XML_CONVERT_COMPLETED; \ -+ fromLim = *fromP + (((fromLim - *fromP) >> 1) << 1); /* shrink to even */ \ - /* Avoid copying first half only of surrogate */ \ - if (fromLim - *fromP > ((toLim - *toP) << 1) \ -- && (GET_HI(fromLim - 2) & 0xF8) == 0xD8) \ -+ && (GET_HI(fromLim - 2) & 0xF8) == 0xD8) { \ - fromLim -= 2; \ -- for (; *fromP != fromLim && *toP != toLim; *fromP += 2) \ -+ res = XML_CONVERT_INPUT_INCOMPLETE; \ -+ } \ -+ for (; *fromP < fromLim && *toP < toLim; *fromP += 2) \ - *(*toP)++ = (GET_HI(*fromP) << 8) | GET_LO(*fromP); \ -+ if ((*toP == toLim) && (*fromP < fromLim)) \ -+ return XML_CONVERT_OUTPUT_EXHAUSTED; \ -+ else \ -+ return res; \ - } - - #define SET2(ptr, ch) \ -@@ -1288,7 +1338,7 @@ unknown_isInvalid(const ENCODING *enc, const char *p) - return (c & ~0xFFFF) || checkCharRefNumber(c) < 0; - } - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - unknown_toUtf8(const ENCODING *enc, - const char **fromP, const char *fromLim, - char **toP, const char *toLim) -@@ -1299,21 +1349,21 @@ unknown_toUtf8(const ENCODING *enc, - const char *utf8; - int n; - if (*fromP == fromLim) -- break; -+ return XML_CONVERT_COMPLETED; - utf8 = uenc->utf8[(unsigned char)**fromP]; - n = *utf8++; - if (n == 0) { - int c = uenc->convert(uenc->userData, *fromP); - n = XmlUtf8Encode(c, buf); - if (n > toLim - *toP) -- break; -+ return XML_CONVERT_OUTPUT_EXHAUSTED; - utf8 = buf; - *fromP += (AS_NORMAL_ENCODING(enc)->type[(unsigned char)**fromP] - - (BT_LEAD2 - 2)); - } - else { - if (n > toLim - *toP) -- break; -+ return XML_CONVERT_OUTPUT_EXHAUSTED; - (*fromP)++; - } - do { -@@ -1322,13 +1372,13 @@ unknown_toUtf8(const ENCODING *enc, - } - } - --static void PTRCALL -+static enum XML_Convert_Result PTRCALL - unknown_toUtf16(const ENCODING *enc, - const char **fromP, const char *fromLim, - unsigned short **toP, const unsigned short *toLim) - { - const struct unknown_encoding *uenc = AS_UNKNOWN_ENCODING(enc); -- while (*fromP != fromLim && *toP != toLim) { -+ while (*fromP < fromLim && *toP < toLim) { - unsigned short c = uenc->utf16[(unsigned char)**fromP]; - if (c == 0) { - c = (unsigned short) -@@ -1340,6 +1390,11 @@ unknown_toUtf16(const ENCODING *enc, - (*fromP)++; - *(*toP)++ = c; - } -+ -+ if ((*toP == toLim) && (*fromP < fromLim)) -+ return XML_CONVERT_OUTPUT_EXHAUSTED; -+ else -+ return XML_CONVERT_COMPLETED; - } - - ENCODING * -@@ -1503,7 +1558,7 @@ initScan(const ENCODING * const *encodingTable, - { - const ENCODING **encPtr; - -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - encPtr = enc->encPtr; - if (ptr + 1 == end) { -diff --git a/expat/lib/xmltok.h b/expat/lib/xmltok.h -index ca867aa..752007e 100644 ---- a/expat/lib/xmltok.h -+++ b/lib/xmltok.h -@@ -130,6 +130,12 @@ typedef int (PTRCALL *SCANNER)(const ENCODING *, - const char *, - const char **); - -+enum XML_Convert_Result { -+ XML_CONVERT_COMPLETED = 0, -+ XML_CONVERT_INPUT_INCOMPLETE = 1, -+ XML_CONVERT_OUTPUT_EXHAUSTED = 2 /* and therefore potentially input remaining as well */ -+}; -+ - struct encoding { - SCANNER scanners[XML_N_STATES]; - SCANNER literalScanners[XML_N_LITERAL_TYPES]; -@@ -158,12 +164,12 @@ struct encoding { - const char *ptr, - const char *end, - const char **badPtr); -- void (PTRCALL *utf8Convert)(const ENCODING *enc, -+ enum XML_Convert_Result (PTRCALL *utf8Convert)(const ENCODING *enc, - const char **fromP, - const char *fromLim, - char **toP, - const char *toLim); -- void (PTRCALL *utf16Convert)(const ENCODING *enc, -+ enum XML_Convert_Result (PTRCALL *utf16Convert)(const ENCODING *enc, - const char **fromP, - const char *fromLim, - unsigned short **toP, -diff --git a/expat/lib/xmltok_impl.c b/expat/lib/xmltok_impl.c -index 9c2895b..6c5a3ba 100644 ---- a/expat/lib/xmltok_impl.c -+++ b/lib/xmltok_impl.c -@@ -93,13 +93,13 @@ static int PTRCALL - PREFIX(scanComment)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { -- if (ptr != end) { -+ if (ptr < end) { - if (!CHAR_MATCHES(enc, ptr, ASCII_MINUS)) { - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } - ptr += MINBPC(enc); -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - INVALID_CASES(ptr, nextTokPtr) - case BT_MINUS: -@@ -147,7 +147,7 @@ PREFIX(scanDecl)(const ENCODING *enc, const char *ptr, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_PERCNT: - if (ptr + MINBPC(enc) == end) -@@ -233,7 +233,7 @@ PREFIX(scanPi)(const ENCODING *enc, const char *ptr, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_S: case BT_CR: case BT_LF: -@@ -242,7 +242,7 @@ PREFIX(scanPi)(const ENCODING *enc, const char *ptr, - return XML_TOK_INVALID; - } - ptr += MINBPC(enc); -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - INVALID_CASES(ptr, nextTokPtr) - case BT_QUEST: -@@ -305,7 +305,7 @@ static int PTRCALL - PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - if (MINBPC(enc) > 1) { - size_t n = end - ptr; -@@ -348,7 +348,7 @@ PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr, - ptr += MINBPC(enc); - break; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - #define LEAD_CASE(n) \ - case BT_LEAD ## n: \ -@@ -391,11 +391,11 @@ PREFIX(scanEndTag)(const ENCODING *enc, const char *ptr, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_S: case BT_CR: case BT_LF: -- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { -+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_S: case BT_CR: case BT_LF: - break; -@@ -432,7 +432,7 @@ static int PTRCALL - PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { -- if (ptr != end) { -+ if (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_DIGIT: - case BT_HEX: -@@ -441,7 +441,7 @@ PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { -+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_DIGIT: - case BT_HEX: -@@ -464,7 +464,7 @@ static int PTRCALL - PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { -- if (ptr != end) { -+ if (ptr < end) { - if (CHAR_MATCHES(enc, ptr, ASCII_x)) - return PREFIX(scanHexCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); - switch (BYTE_TYPE(enc, ptr)) { -@@ -474,7 +474,7 @@ PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { -+ for (ptr += MINBPC(enc); ptr < end; ptr += MINBPC(enc)) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_DIGIT: - break; -@@ -506,7 +506,7 @@ PREFIX(scanRef)(const ENCODING *enc, const char *ptr, const char *end, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_SEMI: -@@ -529,7 +529,7 @@ PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end, - #ifdef XML_NS - int hadColon = 0; - #endif -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - #ifdef XML_NS -@@ -716,7 +716,7 @@ PREFIX(scanLt)(const ENCODING *enc, const char *ptr, const char *end, - hadColon = 0; - #endif - /* we have a start-tag */ -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - #ifdef XML_NS -@@ -740,7 +740,7 @@ PREFIX(scanLt)(const ENCODING *enc, const char *ptr, const char *end, - case BT_S: case BT_CR: case BT_LF: - { - ptr += MINBPC(enc); -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) - case BT_GT: -@@ -785,7 +785,7 @@ static int PTRCALL - PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end, - const char **nextTokPtr) - { -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - if (MINBPC(enc) > 1) { - size_t n = end - ptr; -@@ -832,7 +832,7 @@ PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end, - ptr += MINBPC(enc); - break; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - #define LEAD_CASE(n) \ - case BT_LEAD ## n: \ -@@ -895,7 +895,7 @@ PREFIX(scanPercent)(const ENCODING *enc, const char *ptr, const char *end, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_SEMI: -@@ -921,7 +921,7 @@ PREFIX(scanPoundName)(const ENCODING *enc, const char *ptr, const char *end, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_CR: case BT_LF: case BT_S: -@@ -941,7 +941,7 @@ PREFIX(scanLit)(int open, const ENCODING *enc, - const char *ptr, const char *end, - const char **nextTokPtr) - { -- while (ptr != end) { -+ while (ptr < end) { - int t = BYTE_TYPE(enc, ptr); - switch (t) { - INVALID_CASES(ptr, nextTokPtr) -@@ -973,7 +973,7 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end, - const char **nextTokPtr) - { - int tok; -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - if (MINBPC(enc) > 1) { - size_t n = end - ptr; -@@ -1141,7 +1141,7 @@ PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end, - *nextTokPtr = ptr; - return XML_TOK_INVALID; - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) - case BT_GT: case BT_RPAR: case BT_COMMA: -@@ -1204,10 +1204,10 @@ PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { - const char *start; -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - start = ptr; -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - #define LEAD_CASE(n) \ - case BT_LEAD ## n: ptr += n; break; -@@ -1262,10 +1262,10 @@ PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr, - const char *end, const char **nextTokPtr) - { - const char *start; -- if (ptr == end) -+ if (ptr >= end) - return XML_TOK_NONE; - start = ptr; -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - #define LEAD_CASE(n) \ - case BT_LEAD ## n: ptr += n; break; -@@ -1326,7 +1326,7 @@ PREFIX(ignoreSectionTok)(const ENCODING *enc, const char *ptr, - end = ptr + n; - } - } -- while (ptr != end) { -+ while (ptr < end) { - switch (BYTE_TYPE(enc, ptr)) { - INVALID_CASES(ptr, nextTokPtr) - case BT_LT: -@@ -1373,7 +1373,7 @@ PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end, - { - ptr += MINBPC(enc); - end -= MINBPC(enc); -- for (; ptr != end; ptr += MINBPC(enc)) { -+ for (; ptr < end; ptr += MINBPC(enc)) { - switch (BYTE_TYPE(enc, ptr)) { - case BT_DIGIT: - case BT_HEX: -@@ -1760,7 +1760,7 @@ PREFIX(updatePosition)(const ENCODING *enc, - case BT_CR: - pos->lineNumber++; - ptr += MINBPC(enc); -- if (ptr != end && BYTE_TYPE(enc, ptr) == BT_LF) -+ if (ptr < end && BYTE_TYPE(enc, ptr) == BT_LF) - ptr += MINBPC(enc); - pos->columnNumber = (XML_Size)-1; - break; --- -2.8.2 - -- 2.8.3 --- Unsubscribe: alpine-aports+unsubscribe@lists.alpinelinux.org Help: alpine-aports+help@lists.alpinelinux.org ---