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Instead of fixed size buffers for some messages, send only the string length.

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This commit is contained in:
Nicholas Marriott
2013-10-06 00:28:35 +01:00
parent 3fba377ddd
commit f141e9b37a
4 changed files with 38 additions and 64 deletions
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14
server-client.c
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@@ -695,8 +695,6 @@ server_client_repeat_timer(unused int fd, unused short events, void *data)
void
server_client_check_exit(struct client *c)
{
struct msg_exit_data exitdata;
if (!(c->flags & CLIENT_EXIT))
return;
@@ -707,9 +705,7 @@ server_client_check_exit(struct client *c)
if (EVBUFFER_LENGTH(c->stderr_data) != 0)
return;
exitdata.retcode = c->retval;
server_write_client(c, MSG_EXIT, &exitdata, sizeof exitdata);
server_write_client(c, MSG_EXIT, &c->retval, sizeof c->retval);
c->flags &= ~CLIENT_EXIT;
}
@@ -995,16 +991,12 @@ server_client_msg_identify(
void
server_client_msg_shell(struct client *c)
{
struct msg_shell_data data;
const char *shell;
const char *shell;
shell = options_get_string(&global_s_options, "default-shell");
if (*shell == '\0' || areshell(shell))
shell = _PATH_BSHELL;
if (strlcpy(data.shell, shell, sizeof data.shell) >= sizeof data.shell)
strlcpy(data.shell, _PATH_BSHELL, sizeof data.shell);
server_write_client(c, MSG_SHELL, shell, strlen(shell) + 1);
server_write_client(c, MSG_SHELL, &data, sizeof data);
c->flags |= CLIENT_BAD; /* it will die after exec */
}