Function obj2txt

crates/stdlib/src/openssl/cert.rs:29–54

(obj: &Asn1ObjectRef, no_name: bool)

    use crate::openssl::_ssl::{ENCODING_DER, ENCODING_PEM, convert_openssl_error};

    pub(crate) fn obj2txt(obj: &Asn1ObjectRef, no_name: bool) -> Option<String> {
        let no_name = i32::from(no_name);
        let ptr = obj.as_ptr();
        let b = unsafe {
            let buflen = sys::OBJ_obj2txt(std::ptr::null_mut(), 0, ptr, no_name);
            assert!(buflen >= 0);
            if buflen == 0 {
                return None;
            }
            let buflen = buflen as usize;
            let mut buf = Vec::<u8>::with_capacity(buflen + 1);
            let ret = sys::OBJ_obj2txt(
                buf.as_mut_ptr() as *mut libc::c_char,
                buf.capacity() as _,
                ptr,
                no_name,
            );
            assert!(ret >= 0);
            // SAFETY: OBJ_obj2txt initialized the buffer successfully
            buf.set_len(buflen);
            buf
        };
        let s = String::from_utf8(b)
            .unwrap_or_else(|e| String::from_utf8_lossy(e.as_bytes()).into_owned());
        Some(s)
    }

    #[pyattr]
    #[pyclass(module = "ssl", name = "Certificate")]