merge strcpy_truncate branch

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5027 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-06-09 19:25:40 +00:00
parent e255dfc950
commit a5f54865d4
87 changed files with 689 additions and 499 deletions

View File

@@ -236,8 +236,8 @@ doit_passive (char *host, char *user, int debugp, int keepalivep,
p = msg;
*p++ = INIT;
len = strlen(user);
p += krb_put_int (len, p, 4);
strncpy(p, user, len);
p += krb_put_int (len, p, sizeof(msg) - 1, 4);
memcpy(p, user, len);
p += len;
*p++ = PASSIVE | (keepalivep ? KEEP_ALIVE : 0);
if (write_encrypted (otherside, msg, p - msg, schedule,
@@ -260,12 +260,12 @@ doit_passive (char *host, char *user, int debugp, int keepalivep,
} else
p++;
p += krb_get_int (p, &tmp, 4, 0);
strncpy(display, p, tmp);
memcpy(display, p, tmp);
display[tmp] = '\0';
p += tmp;
p += krb_get_int (p, &tmp, 4, 0);
strncpy(xauthfile, p, tmp);
memcpy(xauthfile, p, tmp);
xauthfile[tmp] = '\0';
p += tmp;
@@ -358,6 +358,8 @@ doit_active (char *host, char *user,
int tmp2;
char *s;
int i;
size_t rem;
u_int32_t other_port;
otherside = connect_host (host, user, &key, schedule, port,
&me, &him);
@@ -372,28 +374,46 @@ doit_active (char *host, char *user,
}
#endif
p = msg;
rem = sizeof(msg);
*p++ = INIT;
--rem;
len = strlen(user);
p += krb_put_int (len, p, 4);
strncpy(p, user, len);
tmp = krb_put_int (len, p, rem, 4);
if (tmp < 0)
return 1;
p += tmp;
rem -= tmp;
memcpy(p, user, len);
p += len;
rem -= len;
*p++ = (keepalivep ? KEEP_ALIVE : 0);
--rem;
s = getenv("DISPLAY");
if (s == NULL || (s = strchr(s, ':')) == NULL)
s = ":0";
len = strlen (s);
p += krb_put_int (len, p, 4);
strncpy (p, s, len);
tmp = krb_put_int (len, p, rem, 4);
if (tmp < 0)
return 1;
rem -= tmp;
p += tmp;
memcpy (p, s, len);
p += len;
rem -= len;
s = getenv("XAUTHORITY");
if (s == NULL)
s = "";
len = strlen (s);
p += krb_put_int (len, p, 4);
strncpy (p, s, len);
tmp = krb_put_int (len, p, rem, 4);
if (tmp < 0)
return 1;
p += len;
rem -= len;
memcpy (p, s, len);
p += len;
rem -= len;
if (write_encrypted (otherside, msg, p - msg, schedule,
&key, &me, &him) < 0)
@@ -405,9 +425,11 @@ doit_active (char *host, char *user,
err (1, "read from %s", host);
p = (u_char *)ret;
if (*p == ERROR) {
u_int32_t u32;
p++;
p += krb_get_int (p, &tmp, 4, 0);
errx (1, "%s: %.*s", host, (int)tmp, p);
p += krb_get_int (p, &u32, 4, 0);
errx (1, "%s: %.*s", host, (int)u32, p);
} else if (*p != ACK) {
errx (1, "%s: strange msg %d", host, *p);
} else
@@ -458,14 +480,16 @@ doit_active (char *host, char *user,
err (1, "read from %s", host);
p = (u_char *)ret;
if (*p == ERROR) {
u_int32_t val;
p++;
p += krb_get_int (p, &tmp, 4, 0);
errx (1, "%s: %.*s", host, (int)tmp, p);
p += krb_get_int (p, &val, 4, 0);
errx (1, "%s: %.*s", host, (int)val, p);
} else if (*p != NEW_CONN) {
errx (1, "%s: strange msg %d", host, *p);
} else {
p++;
p += krb_get_int (p, &tmp, 4, 0);
p += krb_get_int (p, &other_port, 4, 0);
}
++nchild;
@@ -483,7 +507,7 @@ doit_active (char *host, char *user,
addr = him;
close (otherside);
addr.sin_port = htons(tmp);
addr.sin_port = htons(other_port);
s = socket (AF_INET, SOCK_STREAM, 0);
if (s < 0)
err(1, "socket");