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| author | Denys Vlasenko | 2020-11-28 13:39:05 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2020-11-28 13:43:54 +0100 |
| commit | ae04ce82cf4352c0d0ecd993b586c10b6b8f80af (patch) | |
| tree | aecee3e545d0a8cad4152fc9e06cea95c1f05e85 /libbb/uuencode.c | |
| parent | 885121e25db2ec9a8191a406085d91790a133d20 (diff) | |
| download | busybox-ae04ce82cf4352c0d0ecd993b586c10b6b8f80af.zip busybox-ae04ce82cf4352c0d0ecd993b586c10b6b8f80af.tar.gz | |
base32/64: "truncated base64 input" -> "truncated input"
text data bss dec hex filename
1021739 559 5052 1027350 fad16 busybox_old
1021732 559 5052 1027343 fad0f busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/uuencode.c')
| -rw-r--r-- | libbb/uuencode.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libbb/uuencode.c b/libbb/uuencode.c index 6e63bfc..21af7a8 100644 --- a/libbb/uuencode.c +++ b/libbb/uuencode.c @@ -28,7 +28,7 @@ const char bb_uuenc_tbl_base64[] ALIGN1 = { 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', - '=' /* termination character */, + '=' /* termination character */ }; const char bb_uuenc_tbl_std[] ALIGN1 = { '`', '!', '"', '#', '$', '%', '&', '\'', @@ -38,7 +38,7 @@ const char bb_uuenc_tbl_std[] ALIGN1 = { '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', + 'X', 'Y', 'Z', '[', '\\',']', '^', '_', '`' /* termination character */ }; @@ -82,9 +82,10 @@ void FAST_FUNC bb_uuencode(char *p, const void *src, int length, const char *tbl /* * Decode base64 encoded string. * - * Returns: pointer to the undecoded part of source. + * Returns: pointer past the last written output byte, + * the result is not NUL-terminated. + * (*pp_src) is advanced past the last read byte. * If points to '\0', then the source was fully decoded. - * (*pp_dst): advanced past the last written byte. */ char* FAST_FUNC decode_base64(char *dst, const char **pp_src) { @@ -131,7 +132,7 @@ char* FAST_FUNC decode_base64(char *dst, const char **pp_src) } /* i is zero here if full 4-char block was decoded */ if (pp_src) - *pp_src = src - i; /* -i rejects truncations: e.g. "MQ" and "MQ=" (correct encoding is "MQ==" -> "1") */ + *pp_src = src - i; /* -i signals truncation: e.g. "MQ" and "MQ=" (correct encoding is "MQ==" -> "1") */ return dst; } @@ -265,7 +266,7 @@ void FAST_FUNC read_base64(FILE *src_stream, FILE *dst_stream, int flags) if (*in_tail == '\0') return; /* No */ - bb_simple_error_msg_and_die("truncated base64 input"); + bb_simple_error_msg_and_die("truncated input"); } /* It was partial decode */ |