chore: add vendor dependencies for kauma build

vendor/openssl/src/srtp.rs

@@ -0,0 +1,66 @@
+use crate::stack::Stackable;
+use foreign_types::ForeignTypeRef;
+use libc::c_ulong;
+use std::ffi::CStr;
+use std::str;
+
+/// fake free method, since SRTP_PROTECTION_PROFILE is static
+unsafe fn free(_profile: *mut ffi::SRTP_PROTECTION_PROFILE) {}
+
+foreign_type_and_impl_send_sync! {
+    type CType = ffi::SRTP_PROTECTION_PROFILE;
+    fn drop = free;
+
+    pub struct SrtpProtectionProfile;
+    /// Reference to `SrtpProtectionProfile`.
+    pub struct SrtpProtectionProfileRef;
+}
+
+impl Stackable for SrtpProtectionProfile {
+    type StackType = ffi::stack_st_SRTP_PROTECTION_PROFILE;
+}
+
+impl SrtpProtectionProfileRef {
+    pub fn id(&self) -> SrtpProfileId {
+        SrtpProfileId::from_raw(unsafe { (*self.as_ptr()).id })
+    }
+    pub fn name(&self) -> &'static str {
+        unsafe { CStr::from_ptr((*self.as_ptr()).name as *const _) }
+            .to_str()
+            .expect("should be UTF-8")
+    }
+}
+
+/// An identifier of an SRTP protection profile.
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub struct SrtpProfileId(c_ulong);
+
+impl SrtpProfileId {
+    pub const SRTP_AES128_CM_SHA1_80: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AES128_CM_SHA1_80 as c_ulong);
+    pub const SRTP_AES128_CM_SHA1_32: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AES128_CM_SHA1_32 as c_ulong);
+    pub const SRTP_AES128_F8_SHA1_80: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AES128_F8_SHA1_80 as c_ulong);
+    pub const SRTP_AES128_F8_SHA1_32: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AES128_F8_SHA1_32 as c_ulong);
+    pub const SRTP_NULL_SHA1_80: SrtpProfileId = SrtpProfileId(ffi::SRTP_NULL_SHA1_80 as c_ulong);
+    pub const SRTP_NULL_SHA1_32: SrtpProfileId = SrtpProfileId(ffi::SRTP_NULL_SHA1_32 as c_ulong);
+    #[cfg(any(boringssl, ossl110))]
+    pub const SRTP_AEAD_AES_128_GCM: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AEAD_AES_128_GCM as c_ulong);
+    #[cfg(any(boringssl, ossl110))]
+    pub const SRTP_AEAD_AES_256_GCM: SrtpProfileId =
+        SrtpProfileId(ffi::SRTP_AEAD_AES_256_GCM as c_ulong);
+
+    /// Creates a `SrtpProfileId` from an integer representation.
+    pub fn from_raw(value: c_ulong) -> SrtpProfileId {
+        SrtpProfileId(value)
+    }
+
+    /// Returns the integer representation of `SrtpProfileId`.
+    #[allow(clippy::trivially_copy_pass_by_ref)]
+    pub fn as_raw(&self) -> c_ulong {
+        self.0
+    }
+}