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Revert change to read_sigalg_from_file() 

The implementation of read_sigalg_from_file() was changed on January 29 in 88cd5528e7. The new implementation does not work correctly in cases in which read_sigalg_from_file() is called with $TMPFILE as as parameter.

The current implementation of the function is:
```
read_sigalg_from_file() {
     local hostcert_txt="${1//pem/txt}"

     [[ -r "$hostcert_txt" ]] || $OPENSSL x509 -noout -text -in "$1" 2>/dev/null >$hostcert_txt
     awk -F':' '/Signature Algorithm/ { print $2; exit; }' $hostcert_txt
}
```

When called using $TMPFILE (/tmp/testssl.XXXXXX/tempfile.txt), hostcert_txt is set to $TMPFILE, and since this file exists and is readable, the next line does nothing and the final line tries to read the signature algorithm from $TMPFILE rather than from a parsed version of the certificate.

This PR reverts read_sigalg_from_file() to its previous implementation, at least as a temporary solution.
This commit is contained in:
David Cooper 2018-03-12 14:10:05 -04:00 committed by David Cooper
parent f718592960
commit 819e4505f1
1 changed files with 1 additions and 4 deletions
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testssl.sh
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@ -5066,10 +5066,7 @@ read_dhtype_from_file() {
# arg1: certificate file # arg1: certificate file
read_sigalg_from_file() { read_sigalg_from_file() {
local hostcert_txt="${1//pem/txt}" $OPENSSL x509 -noout -text -in "$1" 2>/dev/null | awk -F':' '/Signature Algorithm/ { print $2; exit; }'
[[ -r "$hostcert_txt" ]] || $OPENSSL x509 -noout -text -in "$1" 2>/dev/null >$hostcert_txt
awk -F':' '/Signature Algorithm/ { print $2; exit; }' $hostcert_txt
} }