Import of OpenSSH 3.9p1

[gssapi-openssh.git] / openssh / ssh-keyscan.c

diff --git a/openssh/ssh-keyscan.c b/openssh/ssh-keyscan.c
index 9fa8aaebcab9a0b4a8794f374daf2dc2d2a39536..3cb52ac2e9f3f4d4bf49a6add54ca56d580b0973 100644 (file)
--- a/openssh/ssh-keyscan.c
+++ b/openssh/ssh-keyscan.c
@@ -7,7 +7,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: ssh-keyscan.c,v 1.44 2003/06/28 16:23:06 deraadt Exp $");
+RCSID("$OpenBSD: ssh-keyscan.c,v 1.50 2004/08/11 21:44:32 avsm Exp $");
 
 #include "openbsd-compat/sys-queue.h"
 
@@ -49,11 +49,7 @@ int timeout = 5;
 int maxfd;
 #define MAXCON (maxfd - 10)
 
-#ifdef HAVE___PROGNAME
 extern char *__progname;
-#else
-char *__progname;
-#endif
 fd_set *read_wait;
 size_t read_wait_size;
 int ncon;
@@ -214,13 +210,11 @@ fdlim_get(int hard)
        if (getrlimit(RLIMIT_NOFILE, &rlfd) < 0)
                return (-1);
        if ((hard ? rlfd.rlim_max : rlfd.rlim_cur) == RLIM_INFINITY)
-               return 10000;
+               return SSH_SYSFDMAX;
        else
                return hard ? rlfd.rlim_max : rlfd.rlim_cur;
-#elif defined (HAVE_SYSCONF)
-       return sysconf (_SC_OPEN_MAX);
 #else
-       return 10000;
+       return SSH_SYSFDMAX;
 #endif
 }
 
@@ -351,6 +345,7 @@ keygrab_ssh2(con *c)
            "ssh-dss": "ssh-rsa";
        c->c_kex = kex_setup(myproposal);
        c->c_kex->kex[KEX_DH_GRP1_SHA1] = kexdh_client;
+       c->c_kex->kex[KEX_DH_GRP14_SHA1] = kexdh_client;
        c->c_kex->kex[KEX_DH_GEX_SHA1] = kexgex_client;
        c->c_kex->verify_host_key = hostjump;
 
@@ -398,8 +393,8 @@ tcpconnect(char *host)
                        error("socket: %s", strerror(errno));
                        continue;
                }
-               if (fcntl(s, F_SETFL, O_NONBLOCK) < 0)
-                       fatal("F_SETFL: %s", strerror(errno));
+               if (set_nonblock(s) == -1)
+                       fatal("%s: set_nonblock(%d)", __func__, s);
                if (connect(s, ai->ai_addr, ai->ai_addrlen) < 0 &&
                    errno != EINPROGRESS)
                        error("connect (`%s'): %s", host, strerror(errno));
@@ -491,7 +486,7 @@ conrecycle(int s)
 static void
 congreet(int s)
 {
-       int remote_major, remote_minor, n = 0;
+       int remote_major = 0, remote_minor = 0, n = 0;
        char buf[256], *cp;
        char remote_version[sizeof buf];
        size_t bufsiz;
@@ -499,7 +494,7 @@ congreet(int s)
 
        bufsiz = sizeof(buf);
        cp = buf;
-       while (bufsiz-- && (n = read(s, cp, 1)) == 1 && *cp != '\n') {
+       while (bufsiz-- && (n = atomicio(read, s, cp, 1)) == 1 && *cp != '\n') {
                if (*cp == '\r')
                        *cp = '\n';
                cp++;
@@ -565,7 +560,7 @@ conread(int s)
                congreet(s);
                return;
        }
-       n = read(s, c->c_data + c->c_off, c->c_len - c->c_off);
+       n = atomicio(read, s, c->c_data + c->c_off, c->c_len - c->c_off);
        if (n < 0) {
                error("read (%s): %s", c->c_name, strerror(errno));
                confree(s);
@@ -675,7 +670,7 @@ fatal(const char *fmt,...)
        if (nonfatal_fatal)
                longjmp(kexjmp, -1);
        else
-               fatal_cleanup();
+               exit(255);
 }
 
 static void