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(do_read): be careful with the return value from krb5_net_read

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6819 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1999-08-16 12:27:10 +00:00
parent d00feda10d
commit 79c9449c41
1 changed files with 4 additions and 6 deletions
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10
appl/rsh/common.c
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@@ -58,17 +58,15 @@ do_read (int fd,
krb5_data data;
ret = krb5_net_read (context, &fd, &len, 4);
if (ret == 0)
return 0;
if (ret != 4)
return -1;
if (ret <= 0)
return ret;
len = ntohl(len);
outer_len = krb5_get_wrapped_length (context, crypto, len);
if (outer_len > sz)
abort ();
ret = krb5_net_read (context, &fd, buf, outer_len);
if (ret != outer_len)
return -1;
if (ret <= 0)
return ret;
status = krb5_decrypt(context, crypto, KRB5_KU_OTHER_ENCRYPTED,
buf, outer_len, &data);