Decode curl command return status.

1 files changed, 99 insertions, 4 deletions

diff --git a/apt-panopticon.lua b/apt-panopticon.lua
index a7d67d2..4b9e359 100755
--- a/apt-panopticon.lua
+++ b/apt-panopticon.lua
@@ -102,6 +102,100 @@ local arg = {}
 local sendArgs = ""
 local logFile
 
+local curlStatus = 
+{
+       [1 ] = "Unsupported protocol. This build of curl has no support for this protocol.",
+       [2 ] = "Failed to initialize.",
+       [3 ] = "URL malformed. The syntax was not correct.",
+       [4 ] = "A feature or option that was needed to perform the desired request was not enabled or was explicitly disabled at build-time. To make curl able to do this, you probably need another build of libcurl!",
+       [5 ] = "Couldn't resolve proxy. The given proxy host could not be resolved.",
+       [6 ] = "Couldn't resolve host. The given remote host was not resolved.",
+       [7 ] = "Failed to connect to host.",
+       [8 ] = "Weird server reply. The server sent data curl couldn't parse.",
+       [9 ] = "FTP access denied. The server denied login or denied access to the particular resource or directory you wanted to reach. Most often you tried to change to a directory that doesn't exist on the server.",
+
+       [11] = "FTP weird PASS reply. Curl couldn't parse the reply sent to the PASS request.",
+
+       [13] = "FTP weird PASV reply, Curl couldn't parse the reply sent to the PASV request.",
+       [14] = "FTP weird 227 format. Curl couldn't parse the 227-line the server sent.",
+       [15] = "FTP can't get host. Couldn't resolve the host IP we got in the 227-line.",
+
+       [17] = "FTP couldn't set binary. Couldn't change transfer method to binary.",
+       [18] = "Partial file. Only a part of the file was transferred.",
+       [19] = "FTP couldn't download/access the given file, the RETR (or similar) command failed.",
+
+       [21] = "FTP quote error. A quote command returned error from the server.",
+       [22] = "HTTP page not retrieved. The requested url was not found or returned another error with the HTTP error code being 400 or above. This return code only appears if -f, --fail is used.",
+       [23] = "Write error. Curl couldn't write data to a local filesystem or similar.",
+
+       [25] = "FTP couldn't STOR file. The server denied the STOR operation, used for FTP uploading.",
+       [26] = "Read error. Various reading problems.",
+       [27] = "Out of memory. A memory allocation request failed.",
+       [28] = "Operation timeout. The specified time-out period was reached according to the conditions.",
+
+       [30] = "FTP PORT failed. The PORT command failed. Not all FTP servers support the PORT command, try doing a transfer using PASV instead!",
+       [31] = "FTP couldn't use REST. The REST command failed. This command is used for resumed FTP transfers.",
+
+       [33] = "HTTP range error. The range \"command\" didn't work.",
+       [34] = "HTTP post error. Internal post-request generation error.",
+       [35] = "SSL connect error. The SSL handshaking failed.",
+       [36] = "FTP bad download resume. Couldn't continue an earlier aborted download.",
+       [37] = "FILE couldn't read file. Failed to open the file. Permissions?",
+       [38] = "LDAP cannot bind. LDAP bind operation failed.",
+       [39] = "LDAP search failed.",
+
+       [41] = "Function not found. A required LDAP function was not found.",
+       [42] = "Aborted by callback. An application told curl to abort the operation.",
+       [43] = "Internal error. A function was called with a bad parameter.",
+
+       [45] = "Interface error. A specified outgoing interface could not be used.",
+
+       [47] = "Too many redirects. When following redirects, curl hit the maximum amount.",
+       [48] = "Unknown option specified to libcurl. This indicates that you passed a weird option to curl that was passed on to libcurl and rejected. Read up in the manual!",
+       [49] = "Malformed telnet option.",
+
+       [51] = "The peer's SSL certificate or SSH MD5 fingerprint was not OK.",
+       [52] = "The server didn't reply anything, which here is considered an error.",
+       [53] = "SSL crypto engine not found.",
+       [54] = "Cannot set SSL crypto engine as default.",
+       [55] = "Failed sending network data.",
+       [56] = "Failure in receiving network data.",
+
+       [58] = "Problem with the local certificate.",
+       [59] = "Couldn't use specified SSL cipher.",
+       [60] = "Peer certificate cannot be authenticated with known CA certificates.",
+       [61] = "Unrecognized transfer encoding.",
+       [62] = "Invalid LDAP URL.",
+       [63] = "Maximum file size exceeded.",
+       [64] = "Requested FTP SSL level failed.",
+       [65] = "Sending the data requires a rewind that failed.",
+       [66] = "Failed to initialise SSL Engine.",
+       [67] = "The user name, password, or similar was not accepted and curl failed to log in.",
+       [68] = "File not found on TFTP server.",
+       [69] = "Permission problem on TFTP server.",
+       [70] = "Out of disk space on TFTP server.",
+       [71] = "Illegal TFTP operation.",
+       [72] = "Unknown TFTP transfer ID.",
+       [73] = "File already exists (TFTP).",
+       [74] = "No such user (TFTP).",
+       [75] = "Character conversion failed.",
+       [76] = "Character conversion functions required.",
+       [77] = "Problem with reading the SSL CA cert (path? access rights?).",
+       [78] = "The resource referenced in the URL does not exist.",
+       [79] = "An unspecified error occurred during the SSH session.",
+       [80] = "Failed to shut down the SSL connection.",
+
+       [82] = "Could not load CRL file, missing or wrong format (added in 7.19.0).",
+       [83] = "Issuer check failed (added in 7.19.0).",
+       [84] = "The FTP PRET command failed",
+       [85] = "RTSP: mismatch of CSeq numbers",
+       [86] = "RTSP: mismatch of Session Identifiers",
+       [87] = "unable to parse FTP file list",
+       [88] = "FTP chunk callback reported error",
+       [89] = "No connection available, the session will be queued",
+       [90] = "SSL public key does not matched pinned public key",
+}
+
 
 local socket = require 'socket'
 local ftp = require 'socket.ftp'
@@ -236,7 +330,7 @@ local execute = function (s)
         result = result .. status .. "\n"
         status = l
     end
-    return 0 + status, result
+    return status, result
 end
 
 local fork = function(s)
@@ -352,13 +446,14 @@ checkHEAD = function (host, URL, r, retry)
                 hdr .. ' -w "#%{http_code} %{ssl_verify_result} %{url_effective}\\n" ' .. PU.scheme .. '://' .. host .. PU.path .. ' >>results/"STATUS_' .. fname .. '"'
     local status, result = execute(cmd)
     os.execute('cat results/"HEADERS_' .. fname .. '" >>results/"STATUS_' .. fname .. '" 2>/dev/null; rm results/"HEADERS_' .. fname .. '" 2>/dev/null')
-    if 28 == status then
+    if "28" == status then
         E("  TIMEOUT " .. timeouts + 1 .. ", retry " .. retry + 1, PU.scheme, "", host)
         timeouts = timeouts + 1
         checkHEAD(host, URL, r, retry + 1, timeouts)
         return
-    elseif 0 ~= status then
-        E("  The curl command return an error code of " .. status .. ", consult the curl manual for what this means.", PU.scheme, "", host)
+    elseif "0" ~= status then
+        local msg = curlStatus[0 + status]
+        E("  The curl command return an error code of " .. status .. "- " .. msg, PU.scheme, "", host)
         checkHEAD(host, URL, r, retry + 1, timeouts)
         return
     end