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Add __attribute__((warn_unused_result)) to crypto functions.

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This commit is contained in:
Guus Sliepen 2013-05-10 20:23:01 +02:00
parent 45063953fd
commit 7b949262c4
9 changed files with 21 additions and 21 deletions
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1
configure.ac
View file

@ -156,6 +156,7 @@ AC_HEADER_TIME
AC_STRUCT_TM
tinc_ATTRIBUTE(__malloc__)
tinc_ATTRIBUTE(__warn_unused_result__)
AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp, struct in_addr, struct addrinfo, struct ip, struct icmp, struct in6_addr, struct sockaddr_in6, struct ip6_hdr, struct icmp6_hdr, struct nd_neighbor_solicit, struct nd_opt_hdr], , ,
[#include "src/have.h"]

15
src/cipher.h
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@ -32,15 +32,14 @@ extern cipher_t *cipher_open_blowfish_ofb(void) __attribute__ ((__malloc__));
extern void cipher_close(cipher_t *);
extern size_t cipher_keylength(const cipher_t *);
extern void cipher_get_key(const cipher_t *, void *);
extern bool cipher_set_key(cipher_t *, void *, bool);
extern bool cipher_set_key_from_rsa(cipher_t *, void *, size_t, bool);
extern bool cipher_set_counter(cipher_t *, const void *, size_t);
extern bool cipher_set_counter_key(cipher_t *, void *);
extern bool cipher_encrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot);
extern bool cipher_decrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot);
extern bool cipher_counter_xor(cipher_t *, const void *indata, size_t inlen, void *outdata);
extern bool cipher_set_key(cipher_t *, void *, bool) __attribute__ ((__warn_unused_result__));
extern bool cipher_set_key_from_rsa(cipher_t *, void *, size_t, bool) __attribute__ ((__warn_unused_result__));
extern bool cipher_set_counter(cipher_t *, const void *, size_t) __attribute__ ((__warn_unused_result__));
extern bool cipher_set_counter_key(cipher_t *, void *) __attribute__ ((__warn_unused_result__));
extern bool cipher_encrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) __attribute__ ((__warn_unused_result__));
extern bool cipher_decrypt(cipher_t *, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) __attribute__ ((__warn_unused_result__));
extern bool cipher_counter_xor(cipher_t *, const void *indata, size_t inlen, void *outdata) __attribute__ ((__warn_unused_result__));
extern int cipher_get_nid(const cipher_t *);
extern bool cipher_active(const cipher_t *);
#endif

6
src/digest.h
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@ -28,9 +28,9 @@ extern digest_t *digest_open_by_name(const char *name, int maclength) __attribut
extern digest_t *digest_open_by_nid(int nid, int maclength) __attribute__ ((__malloc__));
extern digest_t *digest_open_sha1(int maclength) __attribute__ ((__malloc__));
extern void digest_close(digest_t *);
extern bool digest_create(digest_t *, const void *indata, size_t inlen, void *outdata);
extern bool digest_verify(digest_t *, const void *indata, size_t inlen, const void *digestdata);
extern bool digest_set_key(digest_t *, const void *key, size_t len);
extern bool digest_create(digest_t *, const void *indata, size_t inlen, void *outdata) __attribute__ ((__warn_unused_result__));
extern bool digest_verify(digest_t *, const void *indata, size_t inlen, const void *digestdata) __attribute__ ((__warn_unused_result__));
extern bool digest_set_key(digest_t *, const void *key, size_t len) __attribute__ ((__warn_unused_result__));
extern int digest_get_nid(const digest_t *);
extern size_t digest_keylength(const digest_t *);
extern size_t digest_length(const digest_t *);

2
src/ecdh.h
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@ -28,7 +28,7 @@ typedef struct ecdh ecdh_t;
#endif
extern ecdh_t *ecdh_generate_public(void *pubkey) __attribute__ ((__malloc__));
extern bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared);
extern bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) __attribute__ ((__warn_unused_result__));
extern void ecdh_free(ecdh_t *ecdh);
#endif

4
src/ecdsa.h
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@ -29,8 +29,8 @@ extern char *ecdsa_get_base64_public_key(ecdsa_t *ecdsa);
extern ecdsa_t *ecdsa_read_pem_public_key(FILE *fp) __attribute__ ((__malloc__));
extern ecdsa_t *ecdsa_read_pem_private_key(FILE *fp) __attribute__ ((__malloc__));
extern size_t ecdsa_size(ecdsa_t *ecdsa);
extern bool ecdsa_sign(ecdsa_t *ecdsa, const void *in, size_t inlen, void *out);
extern bool ecdsa_verify(ecdsa_t *ecdsa, const void *in, size_t inlen, const void *out);
extern bool ecdsa_sign(ecdsa_t *ecdsa, const void *in, size_t inlen, void *out) __attribute__ ((__warn_unused_result__));
extern bool ecdsa_verify(ecdsa_t *ecdsa, const void *in, size_t inlen, const void *out) __attribute__ ((__warn_unused_result__));
extern bool ecdsa_active(ecdsa_t *ecdsa);
extern void ecdsa_free(ecdsa_t *ecdsa);

4
src/ecdsagen.h
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@ -23,7 +23,7 @@
#include "ecdsa.h"
extern ecdsa_t *ecdsa_generate(void) __attribute__ ((__malloc__));
extern bool ecdsa_write_pem_public_key(ecdsa_t *ecdsa, FILE *fp);
extern bool ecdsa_write_pem_private_key(ecdsa_t *ecdsa, FILE *fp);
extern bool ecdsa_write_pem_public_key(ecdsa_t *ecdsa, FILE *fp) __attribute__ ((__warn_unused_result__));
extern bool ecdsa_write_pem_private_key(ecdsa_t *ecdsa, FILE *fp) __attribute__ ((__warn_unused_result__));
#endif

2
src/prf.h
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@ -20,6 +20,6 @@
#ifndef __TINC_PRF_H__
#define __TINC_PRF_H__
extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen);
extern bool prf(const char *secret, size_t secretlen, char *seed, size_t seedlen, char *out, size_t outlen) __attribute__ ((__warn_unused_result__));
#endif

4
src/rsa.h
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@ -30,7 +30,7 @@ extern rsa_t *rsa_set_hex_private_key(char *n, char *e, char *d) __attribute__ (
extern rsa_t *rsa_read_pem_public_key(FILE *fp) __attribute__ ((__malloc__));
extern rsa_t *rsa_read_pem_private_key(FILE *fp) __attribute__ ((__malloc__));
extern size_t rsa_size(rsa_t *rsa);
extern bool rsa_public_encrypt(rsa_t *rsa, void *in, size_t len, void *out);
extern bool rsa_private_decrypt(rsa_t *rsa, void *in, size_t len, void *out);
extern bool rsa_public_encrypt(rsa_t *rsa, void *in, size_t len, void *out) __attribute__ ((__warn_unused_result__));
extern bool rsa_private_decrypt(rsa_t *rsa, void *in, size_t len, void *out) __attribute__ ((__warn_unused_result__));
#endif

4
src/rsagen.h
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@ -23,7 +23,7 @@
#include "rsa.h"
extern rsa_t *rsa_generate(size_t bits, unsigned long exponent) __attribute__ ((__malloc__));
extern bool rsa_write_pem_public_key(rsa_t *rsa, FILE *fp);
extern bool rsa_write_pem_private_key(rsa_t *rsa, FILE *fp);
extern bool rsa_write_pem_public_key(rsa_t *rsa, FILE *fp) __attribute__ ((__warn_unused_result__));
extern bool rsa_write_pem_private_key(rsa_t *rsa, FILE *fp) __attribute__ ((__warn_unused_result__));
#endif