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nginx-0.0.10-2004-09-09-22:55:39 import

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This commit is contained in:
Igor Sysoev 2004-09-09 18:55:39 +00:00
parent 2e6ba93fa7
commit 34a497e500
1 changed files with 112 additions and 10 deletions
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122
src/imap/ngx_imap_handler.c
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@ -7,17 +7,21 @@
static void ngx_imap_init_session(ngx_event_t *rev);
static void ngx_pop3_auth_state(ngx_event_t *rev);
static ngx_int_t ngx_pop3_read_command(ngx_imap_session_t *s);
static char pop3_greeting[] = "+OK " NGINX_VER " ready" CRLF;
static char imap_greeting[] = "* OK " NGINX_VER " ready" CRLF;
static u_char pop3_greeting[] = "+OK " NGINX_VER " ready" CRLF;
static u_char imap_greeting[] = "* OK " NGINX_VER " ready" CRLF;
static u_char pop3_ok[] = "+OK" CRLF;
static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF;
void ngx_imap_init_connection(ngx_connection_t *c)
{
char *greeting;
ssize_t size;
ngx_int_t n;
u_char *greeting;
ssize_t size;
ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0,
"imap init connection");
@ -27,9 +31,7 @@ void ngx_imap_init_connection(ngx_connection_t *c)
greeting = pop3_greeting;
size = sizeof(pop3_greeting) - 1;
n = ngx_send(c, greeting, size);
if (n < size) {
if (ngx_send(c, greeting, size) < size) {
/*
* we treat the incomplete sending as NGX_ERROR
* because it is very strange here
@ -50,11 +52,14 @@ void ngx_imap_init_connection(ngx_connection_t *c)
static void ngx_imap_init_session(ngx_event_t *rev)
{
size_t size;
ngx_connection_t *c;
ngx_imap_session_t *s;
c = rev->data;
/* TODO: timeout */
if (!(s = ngx_pcalloc(c->pool, sizeof(ngx_imap_session_t)))) {
ngx_imap_close_connection(c);
return;
@ -68,16 +73,113 @@ static void ngx_imap_init_session(ngx_event_t *rev)
return;
}
s->buffer = ngx_create_temp_buf(s->connection->pool, /* STUB */ 4096);
size = /* STUB: pop3: 128, imap: configurable 4K default */ 128;
s->buffer = ngx_create_temp_buf(s->connection->pool, size);
if (s->buffer == NULL) {
ngx_imap_close_connection(s->connection);
return;
}
ngx_imap_proxy_init(s);
ngx_pop3_auth_state(rev);
}
static void ngx_pop3_auth_state(ngx_event_t *rev)
{
u_char *text;
ssize_t size;
ngx_int_t rc;
ngx_connection_t *c;
ngx_imap_session_t *s;
c = rev->data;
s = c->data;
/* TODO: timeout */
rc = ngx_pop3_read_command(s);
if (rc == NGX_AGAIN || rc == NGX_ERROR) {
return;
}
s->state = 0;
if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
text = pop3_invalid_command;
size = sizeof(pop3_invalid_command) - 1;
} else {
text = pop3_ok;
size = sizeof(pop3_ok) - 1;
}
if (ngx_send(c, text, size) < size) {
/*
* we treat the incomplete sending as NGX_ERROR
* because it is very strange here
*/
ngx_imap_close_connection(c);
return;
}
}
static ngx_int_t ngx_pop3_read_command(ngx_imap_session_t *s)
{
ssize_t n;
ngx_int_t rc;
n = ngx_recv(s->connection, s->buffer->last,
s->buffer->end - s->buffer->last);
if (n == NGX_ERROR || n == 0) {
ngx_imap_close_connection(s->connection);
return NGX_ERROR;
}
if (n > 0) {
s->buffer->last += n;
}
if (n == NGX_AGAIN) {
if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) {
ngx_imap_close_connection(s->connection);
return NGX_ERROR;
}
return NGX_AGAIN;
}
rc = ngx_pop3_parse_command(s);
if (rc == NGX_AGAIN || rc == NGX_IMAP_PARSE_INVALID_COMMAND) {
return rc;
}
if (rc == NGX_ERROR) {
ngx_imap_close_connection(s->connection);
return NGX_ERROR;
}
return NGX_OK;
}
#if 0
void ngx_imap_close_session(ngx_imap_session_t *s)
{
ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0,
"close imap session");
ngx_imap_close_connection(s->connection);
}
#endif
void ngx_imap_close_connection(ngx_connection_t *c)
{
ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0,