Convert to ANSI C

[ppp.git] / pppd / eap.c

diff --git a/pppd/eap.c b/pppd/eap.c
index aa14208ec644534d27a9d4d8a89c21124c4fb71c..92d29ec8bd6c034995f3ebd6a7c737669d80a607 100644 (file)
--- a/pppd/eap.c
+++ b/pppd/eap.c
@@ -48,8 +48,6 @@
  * Implemented EAP-TLS authentication
  */
 
-#define RCSID  "$Id: eap.c,v 1.4 2004/11/09 22:39:25 paulus Exp $"
-
 /*
  * TODO:
  */
@@ -118,13 +116,13 @@ static option_t eap_option_list[] = {
 /*
  * Protocol entry points.
  */
-static void eap_init __P((int unit));
-static void eap_input __P((int unit, u_char *inp, int inlen));
-static void eap_protrej __P((int unit));
-static void eap_lowerup __P((int unit));
-static void eap_lowerdown __P((int unit));
-static int  eap_printpkt __P((u_char *inp, int inlen,
-    void (*)(void *arg, char *fmt, ...), void *arg));
+static void eap_init (int unit);
+static void eap_input (int unit, u_char *inp, int inlen);
+static void eap_protrej (int unit);
+static void eap_lowerup (int unit);
+static void eap_lowerdown (int unit);
+static int  eap_printpkt (u_char *inp, int inlen,
+    void (*)(void *arg, char *fmt, ...), void *arg);
 
 struct protent eap_protent = {
        PPP_EAP,                /* protocol number */
@@ -146,6 +144,7 @@ struct protent eap_protent = {
        NULL                    /* say whether to bring up link for this pkt */
 };
 
+#ifdef USE_SRP
 /*
  * A well-known 2048 bit modulus.
  */
@@ -183,16 +182,16 @@ static const u_char wkmodulus[] = {
        0x9B, 0x65, 0xE3, 0x72, 0xFC, 0xD6, 0x8E, 0xF2,
        0x0F, 0xA7, 0x11, 0x1F, 0x9E, 0x4A, 0xFF, 0x73
 };
+#endif /* USE_SRP */
 
 /* Local forward declarations. */
-static void eap_server_timeout __P((void *arg));
+static void eap_server_timeout (void *arg);
 
 /*
  * Convert EAP state code to printable string for debug.
  */
 static const char *
-eap_state_name(esc)
-enum eap_state_code esc;
+eap_state_name(enum eap_state_code esc)
 {
        static const char *state_names[] = { EAP_STATES };
 
@@ -204,8 +203,7 @@ enum eap_state_code esc;
  * called once by main() during start-up.
  */
 static void
-eap_init(unit)
-int unit;
+eap_init(int unit)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -226,8 +224,7 @@ int unit;
  * Request messages.
  */
 static void
-eap_client_timeout(arg)
-void *arg;
+eap_client_timeout(void *arg)
 {
        eap_state *esp = (eap_state *) arg;
 
@@ -246,9 +243,7 @@ void *arg;
  * after eap_lowerup.
  */
 void
-eap_authwithpeer(unit, localname)
-int unit;
-char *localname;
+eap_authwithpeer(int unit, char *localname)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -272,8 +267,7 @@ char *localname;
  * (Server operation)
  */
 static void
-eap_send_failure(esp)
-eap_state *esp;
+eap_send_failure(eap_state *esp)
 {
        u_char *outp;
 
@@ -297,8 +291,7 @@ eap_state *esp;
  * (Server operation)
  */
 static void
-eap_send_success(esp)
-eap_state *esp;
+eap_send_success(eap_state *esp)
 {
        u_char *outp;
 
@@ -352,11 +345,7 @@ struct b64state {
 };
 
 static int
-b64enc(bs, inp, inlen, outp)
-struct b64state *bs;
-u_char *inp;
-int inlen;
-u_char *outp;
+b64enc(struct b64state *bs, u_char *inp, int inlen, u_char *outp)
 {
        int outlen = 0;
 
@@ -378,9 +367,7 @@ u_char *outp;
 }
 
 static int
-b64flush(bs, outp)
-struct b64state *bs;
-u_char *outp;
+b64flush(struct b64state *bs, u_char *outp)
 {
        int outlen = 0;
 
@@ -400,11 +387,7 @@ u_char *outp;
 }
 
 static int
-b64dec(bs, inp, inlen, outp)
-struct b64state *bs;
-u_char *inp;
-int inlen;
-u_char *outp;
+b64dec(struct b64state *bs, u_char *inp, int inlen, u_char *outp)
 {
        int outlen = 0;
        char *cp;
@@ -432,9 +415,7 @@ u_char *outp;
  * 0 for success and non-zero for failure.
  */
 static void
-eap_figure_next_state(esp, status)
-eap_state *esp;
-int status;
+eap_figure_next_state(eap_state *esp, int status)
 {
 #ifdef USE_SRP
        unsigned char secbuf[MAXWORDLEN], clear[8], *sp, *dp;
@@ -731,8 +712,7 @@ int status;
  * type depends on current state.  (Server operation)
  */
 static void
-eap_send_request(esp)
-eap_state *esp;
+eap_send_request(eap_state *esp)
 {
        u_char *outp;
        u_char *lenloc;
@@ -989,9 +969,7 @@ eap_state *esp;
  * after eap_lowerup.
  */
 void
-eap_authpeer(unit, localname)
-int unit;
-char *localname;
+eap_authpeer(int unit, char *localname)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -1019,8 +997,7 @@ char *localname;
  * expired.
  */
 static void
-eap_server_timeout(arg)
-void *arg;
+eap_server_timeout(void *arg)
 {
 #ifdef USE_EAPTLS
        u_char *outp;
@@ -1083,8 +1060,7 @@ void *arg;
  * will restart the timer.  If it fails, then the link is dropped.
  */
 static void
-eap_rechallenge(arg)
-void *arg;
+eap_rechallenge(void *arg)
 {
        eap_state *esp = (eap_state *)arg;
 
@@ -1100,8 +1076,7 @@ void *arg;
 }
 
 static void
-srp_lwrechallenge(arg)
-void *arg;
+srp_lwrechallenge(void *arg)
 {
        eap_state *esp = (eap_state *)arg;
 
@@ -1124,8 +1099,7 @@ void *arg;
  * thing.
  */
 static void
-eap_lowerup(unit)
-int unit;
+eap_lowerup(int unit)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -1148,8 +1122,7 @@ int unit;
  * Cancel all timeouts and return to initial state.
  */
 static void
-eap_lowerdown(unit)
-int unit;
+eap_lowerdown(int unit)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -1183,8 +1156,7 @@ int unit;
  * failure.
  */
 static void
-eap_protrej(unit)
-int unit;
+eap_protrej(int unit)
 {
        eap_state *esp = &eap_states[unit];
 
@@ -1203,12 +1175,8 @@ int unit;
  * Format and send a regular EAP Response message.
  */
 static void
-eap_send_response(esp, id, typenum, str, lenstr)
-eap_state *esp;
-u_char id;
-u_char typenum;
-u_char *str;
-int lenstr;
+eap_send_response(eap_state *esp, u_char id, u_char typenum,
+                 u_char *str, int lenstr)
 {
        u_char *outp;
        int msglen;
@@ -1234,12 +1202,8 @@ int lenstr;
  * Format and send an MD5-Challenge EAP Response message.
  */
 static void
-eap_chap_response(esp, id, hash, name, namelen)
-eap_state *esp;
-u_char id;
-u_char *hash;
-char *name;
-int namelen;
+eap_chap_response(eap_state *esp, u_char id, u_char *hash,
+                 char *name, int namelen)
 {
        u_char *outp;
        int msglen;
@@ -1270,12 +1234,8 @@ int namelen;
  * Format and send a SRP EAP Response message.
  */
 static void
-eap_srp_response(esp, id, subtypenum, str, lenstr)
-eap_state *esp;
-u_char id;
-u_char subtypenum;
-u_char *str;
-int lenstr;
+eap_srp_response(eap_state *esp, u_char id, u_char subtypenum,
+                u_char *str, int lenstr)
 {
        u_char *outp;
        int msglen;
@@ -1302,11 +1262,7 @@ int lenstr;
  * Format and send a SRP EAP Client Validator Response message.
  */
 static void
-eap_srpval_response(esp, id, flags, str)
-eap_state *esp;
-u_char id;
-u_int32_t flags;
-u_char *str;
+eap_srpval_response(eap_state *esp, u_char id, u_int32_t flags, u_char *str)
 {
        u_char *outp;
        int msglen;
@@ -1335,9 +1291,7 @@ u_char *str;
  * Send an EAP-TLS response message with tls data
  */
 static void
-eap_tls_response(esp, id)
-eap_state *esp;
-u_char id;
+eap_tls_response(eap_state *esp, u_char id)
 {
        u_char *outp;
        int outlen;
@@ -1374,9 +1328,7 @@ u_char id;
  * Send an EAP-TLS ack
  */
 static void
-eap_tls_sendack(esp, id)
-eap_state *esp;
-u_char id;
+eap_tls_sendack(eap_state *esp, u_char id)
 {
        u_char *outp;
        int outlen;
@@ -1404,10 +1356,7 @@ u_char id;
 #endif /* USE_EAPTLS */
 
 static void
-eap_send_nak(esp, id, type)
-eap_state *esp;
-u_char id;
-u_char type;
+eap_send_nak(eap_state *esp, u_char id, u_char type)
 {
        u_char *outp;
        int msglen;
@@ -1429,7 +1378,7 @@ u_char type;
 
 #ifdef USE_SRP
 static char *
-name_of_pn_file()
+name_of_pn_file(void)
 {
        char *user, *path, *file;
        struct passwd *pw;
@@ -1455,8 +1404,7 @@ name_of_pn_file()
 }
 
 static int
-open_pn_file(modebits)
-mode_t modebits;
+open_pn_file(mode_t modebits)
 {
        char *path;
        int fd, err;
@@ -1471,7 +1419,7 @@ mode_t modebits;
 }
 
 static void
-remove_pn_file()
+remove_pn_file(void)
 {
        char *path;
 
@@ -1482,10 +1430,7 @@ remove_pn_file()
 }
 
 static void
-write_pseudonym(esp, inp, len, id)
-eap_state *esp;
-u_char *inp;
-int len, id;
+write_pseudonym(eap_state *esp, u_char *inp, int len, int id)
 {
        u_char val;
        u_char *datp, *digp;
@@ -1544,11 +1489,7 @@ int len, id;
  * eap_request - Receive EAP Request message (client mode).
  */
 static void
-eap_request(esp, inp, id, len)
-eap_state *esp;
-u_char *inp;
-int id;
-int len;
+eap_request(eap_state *esp, u_char *inp, int id, int len)
 {
        u_char typenum;
        u_char vallen;
@@ -1633,7 +1574,7 @@ int len;
                        esp->es_usedpseudo = 2;
                }
 #endif /* USE_SRP */
-               eap_send_response(esp, id, typenum, esp->es_client.ea_name,
+               eap_send_response(esp, id, typenum, (u_char *)esp->es_client.ea_name,
                    esp->es_client.ea_namelen);
                break;
 
@@ -2055,11 +1996,7 @@ client_failure:
  * eap_response - Receive EAP Response message (server mode).
  */
 static void
-eap_response(esp, inp, id, len)
-eap_state *esp;
-u_char *inp;
-int id;
-int len;
+eap_response(eap_state *esp, u_char *inp, int id, int len)
 {
        u_char typenum;
        u_char vallen;
@@ -2428,11 +2365,7 @@ int len;
  * eap_success - Receive EAP Success message (client mode).
  */
 static void
-eap_success(esp, inp, id, len)
-eap_state *esp;
-u_char *inp;
-int id;
-int len;
+eap_success(eap_state *esp, u_char *inp, int id, int len)
 {
        if (esp->es_client.ea_state != eapOpen && !eap_client_active(esp)
 #ifdef USE_EAPTLS
@@ -2472,11 +2405,7 @@ int len;
  * eap_failure - Receive EAP Failure message (client mode).
  */
 static void
-eap_failure(esp, inp, id, len)
-eap_state *esp;
-u_char *inp;
-int id;
-int len;
+eap_failure(eap_state *esp, u_char *inp, int id, int len)
 {
        /*
         * Ignore failure messages if we're not open
@@ -2509,10 +2438,7 @@ int len;
  * eap_input - Handle received EAP message.
  */
 static void
-eap_input(unit, inp, inlen)
-int unit;
-u_char *inp;
-int inlen;
+eap_input(int unit, u_char *inp, int inlen)
 {
        eap_state *esp = &eap_states[unit];
        u_char code, id;
@@ -2577,11 +2503,8 @@ static char *eap_typenames[] = {
 };
 
 static int
-eap_printpkt(inp, inlen, printer, arg)
-u_char *inp;
-int inlen;
-void (*printer) __P((void *, char *, ...));
-void *arg;
+eap_printpkt(u_char *inp, int inlen,
+            void (*printer) (void *, char *, ...), void *arg)
 {
        int code, id, len, rtype, vallen;
        u_char *pstart;