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better error strings for the keytab fetching functions

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@22532 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2008-01-27 11:59:18 +00:00
parent 817fb0a221
commit 34faa9fe6e
4 changed files with 25 additions and 14 deletions
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26
lib/krb5/keytab_krb4.c
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@@ -134,14 +134,15 @@ krb4_kt_start_seq_get_int (krb5_context context,
if (c->fd < 0) {
ret = errno;
free (ed);
krb5_set_error_string(context, "open(%s): %s", d->filename,
strerror(ret));
krb5_set_error_string(context, "keytab krb5 open %s failed: %s",
d->filename, strerror(ret));
return ret;
}
c->sp = krb5_storage_from_fd(c->fd);
if(c->sp == NULL) {
close(c->fd);
free(ed);
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
krb5_storage_set_eof_code(c->sp, KRB5_KT_END);
@@ -369,8 +370,11 @@ krb4_kt_remove_entry(krb5_context context,
if(fd < 0) {
memset(data.data, 0, data.length);
krb5_data_free(&data);
if(errno == EACCES || errno == EROFS)
if(errno == EACCES || errno == EROFS) {
krb5_set_error_string(context, "failed to open %s for writing",
d->filename);
return KRB5_KT_NOWRITE;
}
return errno;
}
@@ -378,14 +382,16 @@ krb4_kt_remove_entry(krb5_context context,
memset(data.data, 0, data.length);
krb5_data_free(&data);
close(fd);
krb5_set_error_string(context, "failed writing to \"%s\"", d->filename);
krb5_set_error_string(context, "failed writing to file %s",
d->filename);
return errno;
}
memset(data.data, 0, data.length);
if(fstat(fd, &st) < 0) {
krb5_data_free(&data);
close(fd);
krb5_set_error_string(context, "failed getting size of \"%s\"", d->filename);
krb5_set_error_string(context, "failed getting size of file %s",
d->filename);
return errno;
}
st.st_size -= data.length;
@@ -396,7 +402,8 @@ krb4_kt_remove_entry(krb5_context context,
if(n <= 0) {
krb5_data_free(&data);
close(fd);
krb5_set_error_string(context, "failed writing to \"%s\"", d->filename);
krb5_set_error_string(context, "failed writing to file %s",
d->filename);
return errno;
}
@@ -405,17 +412,20 @@ krb4_kt_remove_entry(krb5_context context,
if(ftruncate(fd, data.length) < 0) {
krb5_data_free(&data);
close(fd);
krb5_set_error_string(context, "failed truncating \"%s\"", d->filename);
krb5_set_error_string(context, "failed truncating file %s",
d->filename);
return errno;
}
krb5_data_free(&data);
if(close(fd) < 0) {
krb5_set_error_string(context, "error closing \"%s\"", d->filename);
krb5_set_error_string(context, "error closing %s",
d->filename);
return errno;
}
return 0;
} else {
krb5_storage_free(sp);
krb5_set_error_string(context, "Keytab entry not found");
return KRB5_KT_NOTFOUND;
}
}