From 64106c4d3d4ddba8c7bc2af75376e6d3d3d75601 Mon Sep 17 00:00:00 2001 From: Date: Mon, 29 Jun 2015 20:16:15 +0000 Subject: Update documentation --- src/openssl_sys/probe.rs.html | 243 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 243 insertions(+) create mode 100644 src/openssl_sys/probe.rs.html (limited to 'src/openssl_sys/probe.rs.html') diff --git a/src/openssl_sys/probe.rs.html b/src/openssl_sys/probe.rs.html new file mode 100644 index 0000000..402d897 --- /dev/null +++ b/src/openssl_sys/probe.rs.html @@ -0,0 +1,243 @@ + + + + + + + + + + probe.rs.html -- source + + + + + + + + + + + +
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+
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+pub struct ProbeResult {
+    pub cert_file: Option<PathBuf>,
+    pub cert_dir: Option<PathBuf>,
+}
+
+/// Probe the system for the directory in which CA certificates should likely be
+/// found.
+///
+/// This will only search known system locations.
+pub fn find_certs_dirs() -> Vec<PathBuf> {
+    // see http://gagravarr.org/writing/openssl-certs/others.shtml
+    [
+        "/var/ssl",
+        "/usr/share/ssl",
+        "/usr/local/ssl",
+        "/usr/local/openssl",
+        "/usr/local/share",
+        "/usr/lib/ssl",
+        "/usr/ssl",
+        "/etc/openssl",
+        "/etc/pki/tls",
+        "/etc/ssl",
+    ].iter().map(|s| PathBuf::from(*s)).filter(|p| {
+        fs::metadata(p).is_ok()
+    }).collect()
+}
+
+pub fn init_ssl_cert_env_vars() {
+    let ProbeResult { cert_file, cert_dir } = probe();
+    match cert_file {
+        Some(path) => put("SSL_CERT_FILE", path),
+        None => {}
+    }
+    match cert_dir {
+        Some(path) => put("SSL_CERT_DIR", path),
+        None => {}
+    }
+
+    fn put(var: &str, path: PathBuf) {
+        // Don't stomp over what anyone else has set
+        match env::var(var) {
+            Ok(..) => {}
+            Err(..) => env::set_var(var, &path),
+        }
+    }
+}
+
+pub fn probe() -> ProbeResult {
+    let mut result = ProbeResult {
+        cert_file: env::var_os("SSL_CERT_FILE").map(PathBuf::from),
+        cert_dir: env::var_os("SSL_CERT_DIR").map(PathBuf::from),
+    };
+    for certs_dir in find_certs_dirs().iter() {
+        // cert.pem looks to be an openssl 1.0.1 thing, while
+        // certs/ca-certificates.crt appears to be a 0.9.8 thing
+        try(&mut result.cert_file, certs_dir.join("cert.pem"));
+        try(&mut result.cert_file, certs_dir.join("certs/ca-certificates.crt"));
+        try(&mut result.cert_file, certs_dir.join("certs/ca-root-nss.crt"));
+
+        try(&mut result.cert_dir, certs_dir.join("certs"));
+    }
+    result
+}
+
+fn try(dst: &mut Option<PathBuf>, val: PathBuf) {
+    if dst.is_none() && fs::metadata(&val).is_ok() {
+        *dst = Some(val);
+    }
+}
+
+
+ + +
+ + + + + + + + + + + + \ No newline at end of file -- cgit v1.2.3