[PATCH 06/11] cleanup: use ssh_ prefix in the dh (non-static) functions

[Fabiano Fidêncio <fidencio@xxxxxxxxxx>]

Having "ssh_" prefix in the functions' name will avoid possible clashes
when compiling libssh statically.

Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
 include/libssh/dh.h | 28 ++++++++++++++--------------
 src/dh.c            | 40 ++++++++++++++++++++--------------------
 src/kex.c           |  6 +++---
 src/packet_cb.c     |  6 +++---
 src/server.c        | 16 ++++++++--------
 5 files changed, 48 insertions(+), 48 deletions(-)

diff --git a/include/libssh/dh.h b/include/libssh/dh.h
index 95b76cd..8e0d5aa 100644
--- a/include/libssh/dh.h
+++ b/include/libssh/dh.h
@@ -25,27 +25,27 @@
 
 #include "libssh/crypto.h"
 
-int dh_generate_e(ssh_session session);
-int dh_generate_f(ssh_session session);
-int dh_generate_x(ssh_session session);
-int dh_generate_y(ssh_session session);
+int ssh_dh_generate_e(ssh_session session);
+int ssh_dh_generate_f(ssh_session session);
+int ssh_dh_generate_x(ssh_session session);
+int ssh_dh_generate_y(ssh_session session);
 
 int ssh_crypto_init(void);
 void ssh_crypto_finalize(void);
 
-ssh_string dh_get_e(ssh_session session);
-ssh_string dh_get_f(ssh_session session);
-int dh_import_f(ssh_session session,ssh_string f_string);
-int dh_import_e(ssh_session session, ssh_string e_string);
-void dh_import_pubkey(ssh_session session,ssh_string pubkey_string);
-int dh_build_k(ssh_session session);
+ssh_string ssh_dh_get_e(ssh_session session);
+ssh_string ssh_dh_get_f(ssh_session session);
+int ssh_dh_import_f(ssh_session session,ssh_string f_string);
+int ssh_dh_import_e(ssh_session session, ssh_string e_string);
+void ssh_dh_import_pubkey(ssh_session session,ssh_string pubkey_string);
+int ssh_dh_build_k(ssh_session session);
 int ssh_client_dh_init(ssh_session session);
 int ssh_client_dh_reply(ssh_session session, ssh_buffer packet);
 
-int make_sessionid(ssh_session session);
+int ssh_make_sessionid(ssh_session session);
 /* add data for the final cookie */
-int hashbufin_add_cookie(ssh_session session, unsigned char *cookie);
-int hashbufout_add_cookie(ssh_session session);
-int generate_session_keys(ssh_session session);
+int ssh_hashbufin_add_cookie(ssh_session session, unsigned char *cookie);
+int ssh_hashbufout_add_cookie(ssh_session session);
+int ssh_generate_session_keys(ssh_session session);
 
 #endif /* DH_H_ */
diff --git a/src/dh.c b/src/dh.c
index 1d2367b..485a280 100644
--- a/src/dh.c
+++ b/src/dh.c
@@ -226,7 +226,7 @@ void ssh_crypto_finalize(void) {
   }
 }
 
-int dh_generate_x(ssh_session session) {
+int ssh_dh_generate_x(ssh_session session) {
   session->next_crypto->x = bignum_new();
   if (session->next_crypto->x == NULL) {
     return -1;
@@ -247,7 +247,7 @@ int dh_generate_x(ssh_session session) {
 }
 
 /* used by server */
-int dh_generate_y(ssh_session session) {
+int ssh_dh_generate_y(ssh_session session) {
     session->next_crypto->y = bignum_new();
   if (session->next_crypto->y == NULL) {
     return -1;
@@ -268,7 +268,7 @@ int dh_generate_y(ssh_session session) {
 }
 
 /* used by server */
-int dh_generate_e(ssh_session session) {
+int ssh_dh_generate_e(ssh_session session) {
 #ifdef HAVE_LIBCRYPTO
   bignum_CTX ctx = bignum_ctx_new();
   if (ctx == NULL) {
@@ -303,7 +303,7 @@ int dh_generate_e(ssh_session session) {
   return 0;
 }
 
-int dh_generate_f(ssh_session session) {
+int ssh_dh_generate_f(ssh_session session) {
 #ifdef HAVE_LIBCRYPTO
   bignum_CTX ctx = bignum_ctx_new();
   if (ctx == NULL) {
@@ -338,20 +338,20 @@ int dh_generate_f(ssh_session session) {
   return 0;
 }
 
-ssh_string dh_get_e(ssh_session session) {
+ssh_string ssh_dh_get_e(ssh_session session) {
   return ssh_make_bignum_string(session->next_crypto->e);
 }
 
 /* used by server */
-ssh_string dh_get_f(ssh_session session) {
+ssh_string ssh_dh_get_f(ssh_session session) {
   return ssh_make_bignum_string(session->next_crypto->f);
 }
 
-void dh_import_pubkey(ssh_session session, ssh_string pubkey_string) {
+void ssh_dh_import_pubkey(ssh_session session, ssh_string pubkey_string) {
   session->next_crypto->server_pubkey = pubkey_string;
 }
 
-int dh_import_f(ssh_session session, ssh_string f_string) {
+int ssh_dh_import_f(ssh_session session, ssh_string f_string) {
   session->next_crypto->f = ssh_make_string_bn(f_string);
   if (session->next_crypto->f == NULL) {
     return -1;
@@ -365,7 +365,7 @@ int dh_import_f(ssh_session session, ssh_string f_string) {
 }
 
 /* used by the server implementation */
-int dh_import_e(ssh_session session, ssh_string e_string) {
+int ssh_dh_import_e(ssh_session session, ssh_string e_string) {
   session->next_crypto->e = ssh_make_string_bn(e_string);
   if (session->next_crypto->e == NULL) {
     return -1;
@@ -378,7 +378,7 @@ int dh_import_e(ssh_session session, ssh_string e_string) {
   return 0;
 }
 
-int dh_build_k(ssh_session session) {
+int ssh_dh_build_k(ssh_session session) {
 #ifdef HAVE_LIBCRYPTO
   bignum_CTX ctx = bignum_ctx_new();
   if (ctx == NULL) {
@@ -435,14 +435,14 @@ int ssh_client_dh_init(ssh_session session){
   ssh_string e = NULL;
   int rc;
 
-  if (dh_generate_x(session) < 0) {
+  if (ssh_dh_generate_x(session) < 0) {
     goto error;
   }
-  if (dh_generate_e(session) < 0) {
+  if (ssh_dh_generate_e(session) < 0) {
     goto error;
   }
 
-  e = dh_get_e(session);
+  e = ssh_dh_get_e(session);
   if (e == NULL) {
     goto error;
   }
@@ -477,14 +477,14 @@ int ssh_client_dh_reply(ssh_session session, ssh_buffer packet){
     ssh_set_error(session,SSH_FATAL, "No public key in packet");
     goto error;
   }
-  dh_import_pubkey(session, pubkey);
+  ssh_dh_import_pubkey(session, pubkey);
 
   f = ssh_buffer_get_ssh_string(packet);
   if (f == NULL) {
     ssh_set_error(session,SSH_FATAL, "No F number in packet");
     goto error;
   }
-  rc = dh_import_f(session, f);
+  rc = ssh_dh_import_f(session, f);
   ssh_string_burn(f);
   ssh_string_free(f);
   if (rc < 0) {
@@ -499,7 +499,7 @@ int ssh_client_dh_reply(ssh_session session, ssh_buffer packet){
   }
   session->next_crypto->dh_server_signature = signature;
   signature=NULL; /* ownership changed */
-  if (dh_build_k(session) < 0) {
+  if (ssh_dh_build_k(session) < 0) {
     ssh_set_error(session, SSH_FATAL, "Cannot build k number");
     goto error;
   }
@@ -516,7 +516,7 @@ error:
   return SSH_ERROR;
 }
 
-int make_sessionid(ssh_session session) {
+int ssh_make_sessionid(ssh_session session) {
     ssh_string num = NULL;
     ssh_buffer server_hash = NULL;
     ssh_buffer client_hash = NULL;
@@ -692,7 +692,7 @@ error:
     return rc;
 }
 
-int hashbufout_add_cookie(ssh_session session) {
+int ssh_hashbufout_add_cookie(ssh_session session) {
   session->out_hashbuf = ssh_buffer_new();
   if (session->out_hashbuf == NULL) {
     return -1;
@@ -720,7 +720,7 @@ int hashbufout_add_cookie(ssh_session session) {
   return 0;
 }
 
-int hashbufin_add_cookie(ssh_session session, unsigned char *cookie) {
+int ssh_hashbufin_add_cookie(ssh_session session, unsigned char *cookie) {
   session->in_hashbuf = ssh_buffer_new();
   if (session->in_hashbuf == NULL) {
     return -1;
@@ -777,7 +777,7 @@ static int generate_one_key(ssh_string k,
   return 0;
 }
 
-int generate_session_keys(ssh_session session) {
+int ssh_generate_session_keys(ssh_session session) {
   ssh_string k_string = NULL;
   struct ssh_crypto_struct *crypto = session->next_crypto;
   int rc = -1;
diff --git a/src/kex.c b/src/kex.c
index 02965bd..497c67a 100644
--- a/src/kex.c
+++ b/src/kex.c
@@ -352,7 +352,7 @@ SSH_PACKET_CALLBACK(ssh_packet_kexinit){
             goto error;
         }
 
-        rc = hashbufin_add_cookie(session, session->next_crypto->client_kex.cookie);
+        rc = ssh_hashbufin_add_cookie(session, session->next_crypto->client_kex.cookie);
         if (rc < 0) {
             ssh_set_error(session, SSH_FATAL, "ssh_packet_kexinit: adding cookie failed");
             goto error;
@@ -364,7 +364,7 @@ SSH_PACKET_CALLBACK(ssh_packet_kexinit){
             goto error;
         }
 
-        rc = hashbufin_add_cookie(session, session->next_crypto->server_kex.cookie);
+        rc = ssh_hashbufin_add_cookie(session, session->next_crypto->server_kex.cookie);
         if (rc < 0) {
             ssh_set_error(session, SSH_FATAL, "ssh_packet_kexinit: adding cookie failed");
             goto error;
@@ -612,7 +612,7 @@ int ssh_send_kex(ssh_session session, int server_kex) {
                        kex->cookie); /* cookie */
   if (rc != SSH_OK)
     goto error;
-  if (hashbufout_add_cookie(session) < 0) {
+  if (ssh_hashbufout_add_cookie(session) < 0) {
     goto error;
   }
 
diff --git a/src/packet_cb.c b/src/packet_cb.c
index 8353b46..5cc538c 100644
--- a/src/packet_cb.c
+++ b/src/packet_cb.c
@@ -154,20 +154,20 @@ SSH_PACKET_CALLBACK(ssh_packet_newkeys){
   } else {
     ssh_key key;
     /* client */
-    rc = make_sessionid(session);
+    rc = ssh_make_sessionid(session);
     if (rc != SSH_OK) {
       goto error;
     }
 
     /*
      * Set the cryptographic functions for the next crypto
-     * (it is needed for generate_session_keys for key lengths)
+     * (it is needed for ssh_generate_session_keys for key lengths)
      */
     if (crypt_set_algorithms(session, SSH_3DES) /* knows nothing about DES*/ ) {
       goto error;
     }
 
-    if (generate_session_keys(session) < 0) {
+    if (ssh_generate_session_keys(session) < 0) {
       goto error;
     }
 
diff --git a/src/server.c b/src/server.c
index 6679245..c86df1b 100644
--- a/src/server.c
+++ b/src/server.c
@@ -160,7 +160,7 @@ static int ssh_server_kexdh_init(ssh_session session, ssh_buffer packet){
       ssh_set_error(session, SSH_FATAL, "No e number in client request");
       return -1;
     }
-    if (dh_import_e(session, e) < 0) {
+    if (ssh_dh_import_e(session, e) < 0) {
       ssh_set_error(session, SSH_FATAL, "Cannot import e number");
       session->session_state=SSH_SESSION_STATE_ERROR;
     } else {
@@ -258,7 +258,7 @@ int ssh_get_key_params(ssh_session session, ssh_key *privkey){
       return -1;
     }
 
-    dh_import_pubkey(session, pubkey_blob);
+    ssh_dh_import_pubkey(session, pubkey_blob);
     return SSH_OK;
 }
 
@@ -268,16 +268,16 @@ static int dh_handshake_server(ssh_session session) {
   ssh_string f;
   int rc;
 
-  if (dh_generate_y(session) < 0) {
+  if (ssh_dh_generate_y(session) < 0) {
     ssh_set_error(session, SSH_FATAL, "Could not create y number");
     return -1;
   }
-  if (dh_generate_f(session) < 0) {
+  if (ssh_dh_generate_f(session) < 0) {
     ssh_set_error(session, SSH_FATAL, "Could not create f number");
     return -1;
   }
 
-  f = dh_get_f(session);
+  f = ssh_dh_get_f(session);
   if (f == NULL) {
     ssh_set_error(session, SSH_FATAL, "Could not get the f number");
     return -1;
@@ -288,13 +288,13 @@ static int dh_handshake_server(ssh_session session) {
       return -1;
   }
 
-  if (dh_build_k(session) < 0) {
+  if (ssh_dh_build_k(session) < 0) {
     ssh_set_error(session, SSH_FATAL, "Could not import the public key");
     ssh_string_free(f);
     return -1;
   }
 
-  if (make_sessionid(session) != SSH_OK) {
+  if (ssh_make_sessionid(session) != SSH_OK) {
     ssh_set_error(session, SSH_FATAL, "Could not create a session id");
     ssh_string_free(f);
     return -1;
@@ -432,7 +432,7 @@ static void ssh_server_connection_callback(ssh_session session){
             break;
 		case SSH_SESSION_STATE_DH:
 			if(session->dh_handshake_state==DH_STATE_FINISHED){
-                if (generate_session_keys(session) < 0) {
+                if (ssh_generate_session_keys(session) < 0) {
                   goto error;
                 }
 
-- 
2.4.3