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lpd: fix OOM vulnerability (was eating arbitrarily large commands)

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Denis Vlasenko
2008-03-24 00:04:42 +00:00
parent a79428998d
commit 0b6c6a9c9f
4 changed files with 33 additions and 19 deletions
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include/libbb.h
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@@ -529,7 +529,7 @@ extern char *reads(int fd, char *buf, size_t count);
// Read one line a-la fgets. Reads byte-by-byte.
// Useful when it is important to not read ahead.
// Bytes are appended to pfx (which must be malloced, or NULL).
extern char *xmalloc_reads(int fd, char *pfx);
extern char *xmalloc_reads(int fd, char *pfx, size_t *maxsz_p);
extern ssize_t read_close(int fd, void *buf, size_t count);
extern ssize_t open_read_close(const char *filename, void *buf, size_t count);
extern void *xmalloc_open_read_close(const char *filename, size_t *sizep);