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mailinfo: apply the same fix not to lose NULs in BASE64 and QP codepaths
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
parent
cce8d6fdb4
commit
9aa23094c2
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@ -434,6 +434,7 @@ static int read_one_header_line(char *line, int sz, FILE *in)
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static int decode_q_segment(char *in, char *ot, unsigned otsize, char *ep, int rfc2047)
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{
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char *otbegin = ot;
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char *otend = ot + otsize;
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int c;
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while ((c = *in++) != 0 && (in <= ep)) {
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@ -453,13 +454,14 @@ static int decode_q_segment(char *in, char *ot, unsigned otsize, char *ep, int r
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*ot++ = c;
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}
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*ot = 0;
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return 0;
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return (ot - otbegin);
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}
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static int decode_b_segment(char *in, char *ot, unsigned otsize, char *ep)
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{
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/* Decode in..ep, possibly in-place to ot */
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int c, pos = 0, acc = 0;
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char *otbegin = ot;
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char *otend = ot + otsize;
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while ((c = *in++) != 0 && (in <= ep)) {
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@ -505,7 +507,7 @@ static int decode_b_segment(char *in, char *ot, unsigned otsize, char *ep)
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}
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}
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*ot = 0;
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return 0;
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return (ot - otbegin);
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}
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/*
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@ -623,21 +625,20 @@ static void decode_header(char *it, unsigned itsize)
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convert_to_utf8(it, itsize, "");
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}
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static void decode_transfer_encoding(char *line, unsigned linesize)
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static int decode_transfer_encoding(char *line, unsigned linesize, int inputlen)
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{
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char *ep;
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switch (transfer_encoding) {
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case TE_QP:
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ep = line + strlen(line);
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decode_q_segment(line, line, linesize, ep, 0);
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break;
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ep = line + inputlen;
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return decode_q_segment(line, line, linesize, ep, 0);
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case TE_BASE64:
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ep = line + strlen(line);
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decode_b_segment(line, line, linesize, ep);
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break;
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ep = line + inputlen;
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return decode_b_segment(line, line, linesize, ep);
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case TE_DONTCARE:
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break;
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default:
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return inputlen;
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}
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}
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@ -806,17 +807,19 @@ static void handle_body(void)
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/* process any boundary lines */
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if (content_top->boundary && is_multipart_boundary(line)) {
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/* flush any leftover */
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if ((transfer_encoding == TE_BASE64) &&
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(np != newline)) {
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if (np != newline)
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handle_filter(newline, sizeof(newline),
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strlen(newline));
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}
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np - newline);
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if (!handle_boundary())
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return;
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}
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/* Unwrap transfer encoding */
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decode_transfer_encoding(line, sizeof(line));
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len = decode_transfer_encoding(line, sizeof(line), len);
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if (len < 0) {
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error("Malformed input line");
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return;
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}
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switch (transfer_encoding) {
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case TE_BASE64:
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@ -830,13 +833,13 @@ static void handle_body(void)
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break;
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}
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/* this is a decoded line that may contain
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/*
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* This is a decoded line that may contain
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* multiple new lines. Pass only one chunk
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* at a time to handle_filter()
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*/
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do {
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while (*op != '\n' && *op != 0)
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while (op < line + len && *op != '\n')
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*np++ = *op++;
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*np = *op;
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if (*np != 0) {
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@ -846,9 +849,10 @@ static void handle_body(void)
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rc = handle_filter(newline, sizeof(newline), np - newline);
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np = newline;
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}
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} while (*op != 0);
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/* the partial chunk is saved in newline and
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* will be appended by the next iteration of fgets
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} while (op < line + len);
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/*
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* The partial chunk is saved in newline and will be
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* appended by the next iteration of read_line_with_nul().
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*/
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break;
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}
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@ -34,4 +34,13 @@ test_expect_success 'respect NULs' '
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'
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test_expect_success 'Preserve NULs out of MIME encoded message' '
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git mailsplit -d5 -o. ../t5100/nul-b64.in &&
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cmp ../t5100/nul-b64.in 00001 &&
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git mailinfo msg patch <00001 &&
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cmp ../t5100/nul-b64.expect patch
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'
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test_done
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BIN
t/t5100/nul-b64.expect
Normal file
BIN
t/t5100/nul-b64.expect
Normal file
Binary file not shown.
37
t/t5100/nul-b64.in
Normal file
37
t/t5100/nul-b64.in
Normal file
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@ -0,0 +1,37 @@
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From 667d8940e719cddee1cfe237cbbe215e20270b09 Mon Sep 17 00:00:00 2001
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From: Junio C Hamano <gitster@pobox.com>
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Date: Sun, 25 May 2008 00:38:18 -0700
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Subject: [PATCH] second
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Content-Transfer-Encoding: base64
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LS0tCiBmaWxlIHwgIEJpbiAxMzU3IC0+IDEzNTcgYnl0ZXMKIDEgZmlsZXMgY2hhbmdlZCwg
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MCBpbnNlcnRpb25zKCspLCAwIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2ZpbGUgYi9m
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aWxlCmluZGV4IDc3MzYxZDguLjllMDJiZTYgMTAwNjQ0Ci0tLSBhL2ZpbGUKKysrIGIvZmls
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ZQpAQCAtMSwxMiArMSwxMiBAQAogTG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNl
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Y3RldHVlciBhZGlwaXNjaW5nIGVsaXQuIFN1c3BlbmRpc3NlCiBzaXQgYW1ldCB0dXJwaXMg
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ZWdldCBlc3QgY3Vyc3VzIGxhb3JlZXQuIEFsaXF1YW0gbWF1cmlzLiBQcmFlc2VudAotdm9s
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dXRwYXQuIFByb2luIGluIHB1cnVzLiBOdWxsYSB1cm5hIHNhcGllbiwgZGFwaWJ1cyBzaXQg
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YW1ldCwKK3ZvbHV0cGF0LiBQcm9pbiBpbiBwdXJ1cy4gTnVsbGEgdXJuYSBzYXBpZW4sIGRh
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cGkAdXMgc2l0IGFtZXQsCiBoZW5kcmVyaXQgbmVjLCB0ZW1wdXMgZXUsIG1pLiBVdCBwb3J0
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YSwgbGVvIGlkIHRpbmNpZHVudCB1bGxhbWNvcnBlciwKLXZlbGl0IGZlbGlzIHRyaXN0aXF1
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ZSBhbnRlLCBhdCBsb2JvcnRpcyBkaWFtIHBlZGUgdXQgZHVpLiBQcm9pbiBhYwordmVsaXQg
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ZmVsaXMgdHJpc3RpcXVlIGFudGUsIGF0IGxvAG9ydGlzIGRpYW0gcGVkZSB1dCBkdWkuIFBy
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b2luIGFjCiBsZWN0dXMuIERvbmVjIGF0IG1hc3NhIGFjIGlwc3VtIGhlbmRyZXJpdCBzb2xs
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aWNpdHVkaW4uIE5hbSBkaWN0dW0KIG5pc2kgc2VkIG1pLiBEdWlzIHNlZCBhbnRlLiBVdCB2
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aXRhZSBlc3QgdXQgZHVpIHVsdHJpY2llcyBkaWduaXNzaW0uCiAKLUluIHZlbCBvZGlvIGVn
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ZXQgbmlzbCBjb252YWxsaXMgdm9sdXRwYXQuIE1vcmJpIHZpdGFlIG5pYmguIE51bGxhbQor
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SW4gdmVsIG9kaW8gZWdldCBuaXNsIGNvbnZhbGxpcyB2b2x1dHBhdC4gTW9yAGkgdml0YWUg
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LCBlbGl0IGVuaW0gY29uZGltZW50dW0KIG1hdXJpcywgbm9uIHRyaXN0aXF1ZSBtYXVyaXMg
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dHVycGlzIGV0IG1hdXJpcy4gVXQgbm9uIG5pc2wuIE5hbSBkaWFtCiBtaSwgc2VtcGVyIHBv
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c3VlcmUsIGVsZWlmZW5kIHV0LCBhdWN0b3IgdmVsLCBlcmF0LiBTZWQgcG9zdWVyZQpAQCAt
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MTYsNyArMTYsNyBAQCBzZWQgZXN0LiBFdGlhbSBkaWFtIGZlbGlzLCBmZXJtZW50dW0gZWdl
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dCwgYWRpcGlzY2luZyBhdCwgcG9zdWVyZSBpbiwKIGR1aS4gRXRpYW0gbHVjdHVzLgogCiBO
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cG9yIGxlY3R1cyBzZWQgbWFnbmEuIFN1c3BlbmRpc3NlIHBvdGVudGkuIE51bGxhbSB0ZW1w
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