]> granicus.if.org Git - strace/blobdiff - netlink_crypto.c
mmap_cache: add function to enable mmap_cache
[strace] / netlink_crypto.c
index cc573ff08126084de0765d85ff22d9808fe5248e..6debc1b3b6782c8f2b1ae710c6a9c3ee5c88e799 100644 (file)
 
 # include <linux/cryptouser.h>
 
+# include "xlat/crypto_nl_attrs.h"
+
+static bool
+decode_crypto_report_generic(struct tcb *const tcp,
+                            const kernel_ulong_t addr,
+                            const unsigned int len,
+                            const void *const opaque_data)
+{
+       tprints("{type=");
+       printstr_ex(tcp, addr, len, QUOTE_0_TERMINATED);
+       tprints("}");
+
+       return true;
+}
+
+static bool
+decode_crypto_report_hash(struct tcb *const tcp,
+                         const kernel_ulong_t addr,
+                         const unsigned int len,
+                         const void *const opaque_data)
+{
+# ifdef HAVE_STRUCT_CRYPTO_REPORT_HASH
+       struct crypto_report_hash rhash;
+
+       if (len < sizeof(rhash))
+               printstrn(tcp, addr, len);
+       else if (!umove_or_printaddr(tcp, addr, &rhash)) {
+               PRINT_FIELD_CSTRING("{", rhash, type);
+               PRINT_FIELD_U(", ", rhash, blocksize);
+               PRINT_FIELD_U(", ", rhash, digestsize);
+               tprints("}");
+       }
+# else
+       printstrn(tcp, addr, len);
+# endif
+
+       return true;
+}
+
+static bool
+decode_crypto_report_blkcipher(struct tcb *const tcp,
+                              const kernel_ulong_t addr,
+                              const unsigned int len,
+                              const void *const opaque_data)
+{
+# ifdef HAVE_STRUCT_CRYPTO_REPORT_BLKCIPHER
+       struct crypto_report_blkcipher rblkcipher;
+
+       if (len < sizeof(rblkcipher))
+               printstrn(tcp, addr, len);
+       else if (!umove_or_printaddr(tcp, addr, &rblkcipher)) {
+               PRINT_FIELD_CSTRING("{", rblkcipher, type);
+               PRINT_FIELD_CSTRING(", ", rblkcipher, geniv);
+               PRINT_FIELD_U(", ", rblkcipher, blocksize);
+               PRINT_FIELD_U(", ", rblkcipher, min_keysize);
+               PRINT_FIELD_U(", ", rblkcipher, max_keysize);
+               PRINT_FIELD_U(", ", rblkcipher, ivsize);
+               tprints("}");
+       }
+# else
+       printstrn(tcp, addr, len);
+# endif
+
+       return true;
+}
+
+static bool
+decode_crypto_report_aead(struct tcb *const tcp,
+                         const kernel_ulong_t addr,
+                         const unsigned int len,
+                         const void *const opaque_data)
+{
+# ifdef HAVE_STRUCT_CRYPTO_REPORT_AEAD
+       struct crypto_report_aead raead;
+
+       if (len < sizeof(raead))
+               printstrn(tcp, addr, len);
+       else if (!umove_or_printaddr(tcp, addr, &raead)) {
+               PRINT_FIELD_CSTRING("{", raead, type);
+               PRINT_FIELD_CSTRING(", ", raead, geniv);
+               PRINT_FIELD_U(", ", raead, blocksize);
+               PRINT_FIELD_U(", ", raead, maxauthsize);
+               PRINT_FIELD_U(", ", raead, ivsize);
+               tprints("}");
+       }
+# else
+       printstrn(tcp, addr, len);
+# endif
+
+       return true;
+}
+
+static bool
+decode_crypto_report_rng(struct tcb *const tcp,
+                        const kernel_ulong_t addr,
+                        const unsigned int len,
+                        const void *const opaque_data)
+{
+# ifdef HAVE_STRUCT_CRYPTO_REPORT_RNG
+       struct crypto_report_rng rrng;
+
+       if (len < sizeof(rrng))
+               printstrn(tcp, addr, len);
+       else if (!umove_or_printaddr(tcp, addr, &rrng)) {
+               PRINT_FIELD_CSTRING("{", rrng, type);
+               PRINT_FIELD_U(", ", rrng, seedsize);
+               tprints("}");
+       }
+# else
+       printstrn(tcp, addr, len);
+# endif
+
+       return true;
+}
+
+static bool
+decode_crypto_report_cipher(struct tcb *const tcp,
+                           const kernel_ulong_t addr,
+                           const unsigned int len,
+                           const void *const opaque_data)
+{
+# ifdef HAVE_STRUCT_CRYPTO_REPORT_CIPHER
+       struct crypto_report_cipher rcipher;
+
+       if (len < sizeof(rcipher))
+               printstrn(tcp, addr, len);
+       else if (!umove_or_printaddr(tcp, addr, &rcipher)) {
+               PRINT_FIELD_CSTRING("{", rcipher, type);
+               PRINT_FIELD_U(", ", rcipher, blocksize);
+               PRINT_FIELD_U(", ", rcipher, min_keysize);
+               PRINT_FIELD_U(", ", rcipher, max_keysize);
+               tprints("}");
+       }
+# else
+       printstrn(tcp, addr, len);
+# endif
+
+       return true;
+}
+
+static const nla_decoder_t crypto_user_alg_nla_decoders[] = {
+       [CRYPTOCFGA_PRIORITY_VAL]       = decode_nla_u32,
+       [CRYPTOCFGA_REPORT_LARVAL]      = decode_crypto_report_generic,
+       [CRYPTOCFGA_REPORT_HASH]        = decode_crypto_report_hash,
+       [CRYPTOCFGA_REPORT_BLKCIPHER]   = decode_crypto_report_blkcipher,
+       [CRYPTOCFGA_REPORT_AEAD]        = decode_crypto_report_aead,
+       [CRYPTOCFGA_REPORT_COMPRESS]    = decode_crypto_report_generic,
+       [CRYPTOCFGA_REPORT_RNG]         = decode_crypto_report_rng,
+       [CRYPTOCFGA_REPORT_CIPHER]      = decode_crypto_report_cipher,
+       [CRYPTOCFGA_REPORT_AKCIPHER]    = decode_crypto_report_generic,
+       [CRYPTOCFGA_REPORT_KPP]         = decode_crypto_report_generic,
+       [CRYPTOCFGA_REPORT_ACOMP]       = decode_crypto_report_generic
+};
+
 static void
 decode_crypto_user_alg(struct tcb *const tcp,
                       const kernel_ulong_t addr,
@@ -54,6 +208,16 @@ decode_crypto_user_alg(struct tcb *const tcp,
                PRINT_FIELD_U(", ", alg, cru_refcnt);
                PRINT_FIELD_X(", ", alg, cru_flags);
                tprints("}");
+
+               const size_t offset = NLMSG_ALIGN(sizeof(alg));
+               if (len > offset) {
+                       tprints(", ");
+                       decode_nlattr(tcp, addr + offset, len - offset,
+                                     crypto_nl_attrs, "CRYPTOCFGA_???",
+                                     crypto_user_alg_nla_decoders,
+                                     ARRAY_SIZE(crypto_user_alg_nla_decoders),
+                                     NULL);
+               }
        }
 }