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Add #if DROPBEAR_RSA guards

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Fixes building with DROPBEAR_RSA disabled.
Closes #197
This commit is contained in:
Matt Johnston 2022-11-28 21:12:23 +08:00
parent a4689e25ec
commit 36a0313263
3 changed files with 10 additions and 5 deletions
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8
signkey.c
View File

@ -120,6 +120,7 @@ enum signkey_type signkey_type_from_name(const char* name, unsigned int namelen)
/* Special case for rsa-sha2-256. This could be generalised if more
signature names are added that aren't 1-1 with public key names */
const char* signature_name_from_type(enum signature_type type, unsigned int *namelen) {
#if DROPBEAR_RSA
#if DROPBEAR_RSA_SHA256
if (type == DROPBEAR_SIGNATURE_RSA_SHA256) {
if (namelen) {
@ -136,11 +137,13 @@ const char* signature_name_from_type(enum signature_type type, unsigned int *nam
return SSH_SIGNKEY_RSA;
}
#endif
#endif /* DROPBEAR_RSA */
return signkey_name_from_type((enum signkey_type)type, namelen);
}
/* Returns DROPBEAR_SIGNATURE_NONE if none match */
enum signature_type signature_type_from_name(const char* name, unsigned int namelen) {
#if DROPBEAR_RSA
#if DROPBEAR_RSA_SHA256
if (namelen == strlen(SSH_SIGNATURE_RSA_SHA256)
&& memcmp(name, SSH_SIGNATURE_RSA_SHA256, namelen) == 0) {
@ -153,10 +156,11 @@ enum signature_type signature_type_from_name(const char* name, unsigned int name
return DROPBEAR_SIGNATURE_RSA_SHA1;
}
#endif
#endif /* DROPBEAR_RSA */
return (enum signature_type)signkey_type_from_name(name, namelen);
}
/* Returns the signature type from a key type. Must not be called
/* Returns the signature type from a key type. Must not be called
with RSA keytype */
enum signature_type signature_type_from_signkey(enum signkey_type keytype) {
#if DROPBEAR_RSA
@ -167,6 +171,7 @@ enum signature_type signature_type_from_signkey(enum signkey_type keytype) {
}
enum signkey_type signkey_type_from_signature(enum signature_type sigtype) {
#if DROPBEAR_RSA
#if DROPBEAR_RSA_SHA256
if (sigtype == DROPBEAR_SIGNATURE_RSA_SHA256) {
return DROPBEAR_SIGNKEY_RSA;
@ -177,6 +182,7 @@ enum signkey_type signkey_type_from_signature(enum signature_type sigtype) {
return DROPBEAR_SIGNKEY_RSA;
}
#endif
#endif /* DROPBEAR_RSA */
assert((int)sigtype < (int)DROPBEAR_SIGNKEY_NUM_NAMED);
return (enum signkey_type)sigtype;
}

2
signkey.h
View File

@ -79,12 +79,14 @@ enum signature_type {
DROPBEAR_SIGNATURE_SK_ED25519 = DROPBEAR_SIGNKEY_SK_ED25519,
#endif
#endif
#if DROPBEAR_RSA
#if DROPBEAR_RSA_SHA1
DROPBEAR_SIGNATURE_RSA_SHA1 = 100, /* ssh-rsa signature (sha1) */
#endif
#if DROPBEAR_RSA_SHA256
DROPBEAR_SIGNATURE_RSA_SHA256 = 101, /* rsa-sha2-256 signature. has a ssh-rsa key */
#endif
#endif /* DROPBEAR_RSA */
DROPBEAR_SIGNATURE_NONE = DROPBEAR_SIGNKEY_NONE,
};

5
sysoptions.h
View File

@ -137,7 +137,7 @@
/* Debian doesn't define this in system headers */
#if !defined(LTM_DESC) && (DROPBEAR_ECC)
#define LTM_DESC
#define LTM_DESC
#endif
#define DROPBEAR_ECC_256 (DROPBEAR_ECC)
@ -151,9 +151,6 @@
* signing operations slightly slower. */
#define DROPBEAR_RSA_BLINDING 1
#ifndef DROPBEAR_RSA_SHA1
#define DROPBEAR_RSA_SHA1 DROPBEAR_RSA
#endif
#ifndef DROPBEAR_RSA_SHA256
#define DROPBEAR_RSA_SHA256 DROPBEAR_RSA
#endif