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| author | Henrik Grubbström <grubba@grubba.org> | 2010-04-06 14:46:37 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2010-04-10 21:45:00 -0700 |
| commit | a9f3049f6c152d4e6c26b15f7eeb08660aaadca3 (patch) | |
| tree | 483205ed0d4068abeb176ff04591ac263b52f44b | |
| parent | b9aa901856cee7ad16737343f6a372bb37871258 (diff) | |
| download | git-a9f3049f6c152d4e6c26b15f7eeb08660aaadca3.tar.gz | |
convert: Safer handling of $Id$ contraction.
The code to contract $Id:xxxxx$ strings could eat an arbitrary amount
of source text if the terminating $ was lost. It now refuses to
contract $Id:xxxxx$ strings spanning multiple lines.
Signed-off-by: Henrik Grubbström <grubba@grubba.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | convert.c | 12 | ||||
| -rwxr-xr-x | t/t0021-conversion.sh | 16 |
2 files changed, 22 insertions, 6 deletions
@@ -425,6 +425,8 @@ static int count_ident(const char *cp, unsigned long size) cnt++; break; } + if (ch == '\n') + break; } } return cnt; @@ -455,6 +457,11 @@ static int ident_to_git(const char *path, const char *src, size_t len, dollar = memchr(src + 3, '$', len - 3); if (!dollar) break; + if (memchr(src + 3, '\n', dollar - src - 3)) { + /* Line break before the next dollar. */ + continue; + } + memcpy(dst, "Id$", 3); dst += 3; len -= dollar + 1 - src; @@ -514,6 +521,11 @@ static int ident_to_worktree(const char *path, const char *src, size_t len, break; } + if (memchr(src + 3, '\n', dollar - src - 3)) { + /* Line break before the next dollar. */ + continue; + } + len -= dollar + 1 - src; src = dollar + 1; } else { diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh index 6cb8d60ea2..29438c59b9 100755 --- a/t/t0021-conversion.sh +++ b/t/t0021-conversion.sh @@ -65,17 +65,21 @@ test_expect_success expanded_in_repo ' echo "\$Id:NoSpaceAtFront \$" echo "\$Id:NoSpaceAtEitherEnd\$" echo "\$Id: NoTerminatingSymbol" + echo "\$Id: Foreign Commit With Spaces \$" + echo "\$Id: NoTerminatingSymbolAtEOF" } > expanded-keywords && { echo "File with expanded keywords" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" - echo "\$Id: 4f21723e7b15065df7de95bd46c8ba6fb1818f4c \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" echo "\$Id: NoTerminatingSymbol" + echo "\$Id: fd0478f5f1486f3d5177d4c3f6eb2765e8fc56b9 \$" + echo "\$Id: NoTerminatingSymbolAtEOF" } > expected-output && git add expanded-keywords && |