Last change
on this file since 2783 was 2725, checked in by Bruno Cornec, 13 years ago |
- Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
|
-
Property svn:eol-style
set to
native
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File size:
1.6 KB
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Rev | Line | |
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[2725] | 1 | POST upload example:
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| 2 |
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| 3 | post_upload.htm
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| 4 | ===============
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| 5 | <html>
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| 6 | <body>
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| 7 | <form action=/cgi-bin/post_upload.cgi method=post enctype=multipart/form-data>
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| 8 | File to upload: <input type=file name=file1> <input type=submit>
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| 9 | </form>
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| 10 |
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| 11 |
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| 12 | post_upload.cgi
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| 13 | ===============
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| 14 | #!/bin/sh
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| 15 |
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| 16 | # POST upload format:
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| 17 | # -----------------------------29995809218093749221856446032^M
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| 18 | # Content-Disposition: form-data; name="file1"; filename="..."^M
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| 19 | # Content-Type: application/octet-stream^M
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| 20 | # ^M <--------- headers end with empty line
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| 21 | # file contents
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| 22 | # file contents
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| 23 | # file contents
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| 24 | # ^M <--------- extra empty line
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| 25 | # -----------------------------29995809218093749221856446032--^M
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| 26 |
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| 27 | file=/tmp/$$-$RANDOM
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| 28 |
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| 29 | CR=`printf '\r'`
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| 30 |
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| 31 | # CGI output must start with at least empty line (or headers)
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| 32 | printf '\r\n'
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| 33 |
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| 34 | IFS="$CR"
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| 35 | read -r delim_line
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| 36 | IFS=""
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| 37 |
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| 38 | while read -r line; do
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| 39 | test x"$line" = x"" && break
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| 40 | test x"$line" = x"$CR" && break
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| 41 | done
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| 42 |
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| 43 | cat >"$file"
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| 44 |
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| 45 | # We need to delete the tail of "\r\ndelim_line--\r\n"
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| 46 | tail_len=$((${#delim_line} + 6))
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| 47 |
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| 48 | # Get and check file size
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| 49 | filesize=`stat -c"%s" "$file"`
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| 50 | test "$filesize" -lt "$tail_len" && exit 1
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| 51 |
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| 52 | # Check that tail is correct
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| 53 | dd if="$file" skip=$((filesize - tail_len)) bs=1 count=1000 >"$file.tail" 2>/dev/null
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| 54 | printf "\r\n%s--\r\n" "$delim_line" >"$file.tail.expected"
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| 55 | if ! diff -q "$file.tail" "$file.tail.expected" >/dev/null; then
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| 56 | printf "<html>\n<body>\nMalformed file upload"
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| 57 | exit 1
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| 58 | fi
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| 59 | rm "$file.tail"
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| 60 | rm "$file.tail.expected"
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| 61 |
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| 62 | # Truncate the file
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| 63 | dd of="$file" seek=$((filesize - tail_len)) bs=1 count=0 >/dev/null 2>/dev/null
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| 64 |
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| 65 | printf "<html>\n<body>\nFile upload has been accepted"
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