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| author | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2009-06-02 23:22:38 +0800 |
|---|---|---|
| committer | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2009-06-02 23:22:38 +0800 |
| commit | 60d87af129d7be6fe6a73362c7144d47aa98fe2c (patch) | |
| tree | 7c6a5a589a105bec904f51443055d496bef46e8c /mbbsd | |
| parent | bdb0fdec9b4cf76b77b34058021326cf7a7d3bb8 (diff) | |
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the 'D' command on hot boards (using safe_delete) must check valid range (reported by YTDoctor@ptt)
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4489 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd')
| -rw-r--r-- | mbbsd/record.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mbbsd/record.c b/mbbsd/record.c index 83bafe76..7e6206e8 100644 --- a/mbbsd/record.c +++ b/mbbsd/record.c @@ -300,7 +300,9 @@ safe_article_delete_range(const char *direct, int from, int to) lseek(fd, sizeof(fileheader_t) * (from - 1), SEEK_SET) != -1 ){ for( ; from <= to ; ++from ){ - read(fd, &newfhdr, sizeof(fileheader_t)); + // the (from, to) range may be invalid... + if (read(fd, &newfhdr, sizeof(fileheader_t)) != sizeof(fileheader_t)) + break; if( newfhdr.filemode & (FILE_MARKED | FILE_DIGEST) ) continue; if(newfhdr.filename[0]=='L') newfhdr.filename[0]='M'; |