diff options
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c')
| -rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c b/Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c index a75ef7560..471771b6f 100644 --- a/Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c +++ b/Utilities/cmlibarchive/libarchive/archive_read_support_filter_uu.c @@ -56,6 +56,7 @@ struct uudecode { #define ST_READ_UU 1 #define ST_UUEND 2 #define ST_READ_BASE64 3 +#define ST_IGNORE 4 }; static int uudecode_bidder_bid(struct archive_read_filter_bidder *, @@ -88,6 +89,7 @@ archive_read_support_filter_uu(struct archive *_a) return (ARCHIVE_FATAL); bidder->data = NULL; + bidder->name = "uu"; bidder->bid = uudecode_bidder_bid; bidder->init = uudecode_bidder_init; bidder->options = NULL; @@ -377,7 +379,7 @@ uudecode_bidder_init(struct archive_read_filter *self) void *out_buff; void *in_buff; - self->code = ARCHIVE_COMPRESSION_UU; + self->code = ARCHIVE_FILTER_UU; self->name = "uu"; self->read = uudecode_filter_read; self->skip = NULL; /* not supported */ @@ -470,6 +472,10 @@ read_more: total = 0; out = uudecode->out_buff; ravail = avail_in; + if (uudecode->state == ST_IGNORE) { + used = avail_in; + goto finish; + } if (uudecode->in_cnt) { /* * If there is remaining data which is saved by @@ -485,12 +491,18 @@ read_more: uudecode->in_cnt = 0; } for (;used < avail_in; d += llen, used += llen) { - int l, body; + int64_t l, body; b = d; len = get_line(b, avail_in - used, &nl); if (len < 0) { /* Non-ascii character is found. */ + if (uudecode->state == ST_FIND_HEAD && + (uudecode->total > 0 || total > 0)) { + uudecode->state = ST_IGNORE; + used = avail_in; + goto finish; + } archive_set_error(&self->archive->archive, ARCHIVE_ERRNO_MISC, "Insufficient compressed data"); @@ -507,7 +519,7 @@ read_more: return (ARCHIVE_FATAL); if (uudecode->in_buff != b) memmove(uudecode->in_buff, b, len); - uudecode->in_cnt = len; + uudecode->in_cnt = (int)len; if (total == 0) { /* Do not return 0; it means end-of-file. * We should try to read bytes more. */ @@ -545,7 +557,7 @@ read_more: break; case ST_READ_UU: if (total + len * 2 > OUT_BUFF_SIZE) - break; + goto finish; body = len - nl; if (!uuchar[*b] || body <= 0) { archive_set_error(&self->archive->archive, @@ -611,7 +623,7 @@ read_more: break; case ST_READ_BASE64: if (total + len * 2 > OUT_BUFF_SIZE) - break; + goto finish; l = len - nl; if (l >= 3 && b[0] == '=' && b[1] == '=' && b[2] == '=') { @@ -657,8 +669,10 @@ read_more: break; } } - - __archive_read_filter_consume(self->upstream, ravail); +finish: + if (ravail < avail_in) + used -= avail_in - ravail; + __archive_read_filter_consume(self->upstream, used); *buff = uudecode->out_buff; uudecode->total += total; |