deal sensibly with permanent errors
don't retry dead Stores for every Channel. this also introduces a state for transient errors (specifically, connect failures), but this is currently unused.
This commit is contained in:
parent
5f265ad7da
commit
74c78c70b9
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@ -27,6 +27,10 @@
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typedef struct driver driver_t;
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typedef struct driver driver_t;
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#define FAIL_TEMP 0 /* Retry immediately (also: no error) */
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#define FAIL_WAIT 1 /* Retry after some time (if at all) */
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#define FAIL_FINAL 2 /* Don't retry until store reconfiguration */
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typedef struct store_conf {
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typedef struct store_conf {
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struct store_conf *next;
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struct store_conf *next;
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char *name;
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char *name;
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@ -37,6 +41,7 @@ typedef struct store_conf {
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const char *trash;
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const char *trash;
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uint max_size; /* off_t is overkill */
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uint max_size; /* off_t is overkill */
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char trash_remote_new, trash_only_new;
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char trash_remote_new, trash_only_new;
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char failed;
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} store_conf_t;
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} store_conf_t;
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/* For message->flags */
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/* For message->flags */
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@ -1508,7 +1508,13 @@ static void imap_open_store_finalize( imap_store_t * );
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#ifdef HAVE_LIBSSL
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#ifdef HAVE_LIBSSL
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static void imap_open_store_ssl_bail( imap_store_t * );
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static void imap_open_store_ssl_bail( imap_store_t * );
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#endif
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#endif
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static void imap_open_store_bail( imap_store_t * );
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static void imap_open_store_bail( imap_store_t *, int );
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static void
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imap_open_store_bad( void *aux )
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{
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imap_open_store_bail( (imap_store_t *)aux, FAIL_TEMP );
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}
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static void
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static void
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imap_open_store( store_conf_t *conf, const char *label,
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imap_open_store( store_conf_t *conf, const char *label,
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@ -1540,7 +1546,7 @@ imap_open_store( store_conf_t *conf, const char *label,
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ctx->delimiter = 0;
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ctx->delimiter = 0;
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ctx->callbacks.imap_open = cb;
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ctx->callbacks.imap_open = cb;
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ctx->callback_aux = aux;
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ctx->callback_aux = aux;
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set_bad_callback( &ctx->gen, (void (*)(void *))imap_open_store_bail, ctx );
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set_bad_callback( &ctx->gen, imap_open_store_bad, ctx );
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imap_open_store_namespace( ctx );
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imap_open_store_namespace( ctx );
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return;
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return;
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}
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}
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@ -1551,7 +1557,7 @@ imap_open_store( store_conf_t *conf, const char *label,
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ctx->ref_count = 1;
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ctx->ref_count = 1;
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ctx->callbacks.imap_open = cb;
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ctx->callbacks.imap_open = cb;
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ctx->callback_aux = aux;
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ctx->callback_aux = aux;
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set_bad_callback( &ctx->gen, (void (*)(void *))imap_open_store_bail, ctx );
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set_bad_callback( &ctx->gen, imap_open_store_bad, ctx );
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ctx->in_progress_append = &ctx->in_progress;
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ctx->in_progress_append = &ctx->in_progress;
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ctx->pending_append = &ctx->pending;
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ctx->pending_append = &ctx->pending;
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@ -1571,7 +1577,7 @@ imap_open_store_connected( int ok, void *aux )
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#endif
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#endif
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if (!ok)
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if (!ok)
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_WAIT );
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#ifdef HAVE_LIBSSL
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#ifdef HAVE_LIBSSL
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else if (srvc->ssl_type == SSL_IMAPS)
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else if (srvc->ssl_type == SSL_IMAPS)
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socket_start_tls( &ctx->conn, imap_open_store_tlsstarted1 );
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socket_start_tls( &ctx->conn, imap_open_store_tlsstarted1 );
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@ -1602,7 +1608,7 @@ static void
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imap_open_store_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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imap_open_store_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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{
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{
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if (response == RESP_NO)
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if (response == RESP_NO)
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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else if (response == RESP_OK)
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else if (response == RESP_OK)
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imap_open_store_authenticate( ctx );
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imap_open_store_authenticate( ctx );
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}
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}
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@ -1623,7 +1629,7 @@ imap_open_store_authenticate( imap_store_t *ctx )
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return;
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return;
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} else {
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} else {
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error( "IMAP error: SSL support not available\n" );
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error( "IMAP error: SSL support not available\n" );
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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return;
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return;
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}
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}
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}
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}
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@ -1633,7 +1639,7 @@ imap_open_store_authenticate( imap_store_t *ctx )
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#ifdef HAVE_LIBSSL
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#ifdef HAVE_LIBSSL
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if (srvc->ssl_type == SSL_STARTTLS) {
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if (srvc->ssl_type == SSL_STARTTLS) {
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error( "IMAP error: SSL support not available\n" );
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error( "IMAP error: SSL support not available\n" );
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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return;
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return;
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}
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}
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#endif
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#endif
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@ -1646,7 +1652,7 @@ static void
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imap_open_store_authenticate_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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imap_open_store_authenticate_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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{
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{
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if (response == RESP_NO)
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if (response == RESP_NO)
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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else if (response == RESP_OK)
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else if (response == RESP_OK)
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socket_start_tls( &ctx->conn, imap_open_store_tlsstarted2 );
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socket_start_tls( &ctx->conn, imap_open_store_tlsstarted2 );
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}
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}
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@ -1666,7 +1672,7 @@ static void
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imap_open_store_authenticate_p3( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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imap_open_store_authenticate_p3( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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{
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{
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if (response == RESP_NO)
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if (response == RESP_NO)
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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else if (response == RESP_OK)
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else if (response == RESP_OK)
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imap_open_store_authenticate2( ctx );
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imap_open_store_authenticate2( ctx );
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}
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}
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return socket_write( &ctx->conn, iov, iovcnt );
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return socket_write( &ctx->conn, iov, iovcnt );
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bail:
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bail:
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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return -1;
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return -1;
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}
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}
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@ -1996,14 +2002,14 @@ imap_open_store_authenticate2( imap_store_t *ctx )
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error( "IMAP error: server supports no acceptable authentication mechanism\n" );
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error( "IMAP error: server supports no acceptable authentication mechanism\n" );
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bail:
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bail:
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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}
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}
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static void
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static void
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imap_open_store_authenticate2_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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imap_open_store_authenticate2_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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{
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{
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if (response == RESP_NO)
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if (response == RESP_NO)
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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else if (response == RESP_OK)
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else if (response == RESP_OK)
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imap_open_store_namespace( ctx );
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imap_open_store_namespace( ctx );
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}
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}
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@ -2030,7 +2036,7 @@ static void
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imap_open_store_namespace_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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imap_open_store_namespace_p2( imap_store_t *ctx, struct imap_cmd *cmd ATTR_UNUSED, int response )
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{
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{
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if (response == RESP_NO) {
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if (response == RESP_NO) {
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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} else if (response == RESP_OK) {
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} else if (response == RESP_OK) {
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ctx->got_namespace = 1;
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ctx->got_namespace = 1;
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imap_open_store_namespace2( ctx );
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imap_open_store_namespace2( ctx );
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#endif
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#endif
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imap_open_store_finalize( ctx );
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imap_open_store_finalize( ctx );
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} else {
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} else {
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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}
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}
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}
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}
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@ -2095,15 +2101,16 @@ imap_open_store_ssl_bail( imap_store_t *ctx )
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{
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{
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/* This avoids that we try to send LOGOUT to an unusable socket. */
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/* This avoids that we try to send LOGOUT to an unusable socket. */
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socket_close( &ctx->conn );
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socket_close( &ctx->conn );
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imap_open_store_bail( ctx );
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imap_open_store_bail( ctx, FAIL_FINAL );
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}
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}
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#endif
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#endif
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static void
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static void
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imap_open_store_bail( imap_store_t *ctx )
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imap_open_store_bail( imap_store_t *ctx, int failed )
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{
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{
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void (*cb)( store_t *srv, void *aux ) = ctx->callbacks.imap_open;
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void (*cb)( store_t *srv, void *aux ) = ctx->callbacks.imap_open;
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void *aux = ctx->callback_aux;
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void *aux = ctx->callback_aux;
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ctx->gen.conf->failed = failed;
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imap_cancel_store( &ctx->gen );
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imap_cancel_store( &ctx->gen );
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cb( 0, aux );
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cb( 0, aux );
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}
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}
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@ -126,16 +126,18 @@ maildir_join_path( const char *prefix, const char *box )
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}
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}
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static int
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static int
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maildir_validate_path( const store_conf_t *conf )
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maildir_validate_path( store_conf_t *conf )
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{
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{
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struct stat st;
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struct stat st;
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if (!conf->path) {
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if (!conf->path) {
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error( "Maildir error: store '%s' has no Path\n", conf->name );
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error( "Maildir error: store '%s' has no Path\n", conf->name );
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conf->failed = FAIL_FINAL;
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return -1;
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return -1;
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}
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}
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if (stat( conf->path, &st ) || !S_ISDIR(st.st_mode)) {
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if (stat( conf->path, &st ) || !S_ISDIR(st.st_mode)) {
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error( "Maildir error: cannot open store '%s'\n", conf->path );
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error( "Maildir error: cannot open store '%s'\n", conf->path );
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conf->failed = FAIL_FINAL;
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return -1;
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return -1;
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}
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}
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return 0;
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return 0;
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@ -414,6 +416,7 @@ maildir_validate( const char *box, int create, maildir_store_t *ctx )
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return DRV_BOX_BAD;
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return DRV_BOX_BAD;
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if (make_box_dir( buf, bl )) {
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if (make_box_dir( buf, bl )) {
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sys_error( "Maildir error: cannot create mailbox '%s'", box );
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sys_error( "Maildir error: cannot create mailbox '%s'", box );
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ctx->gen.conf->failed = FAIL_FINAL;
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maildir_invoke_bad_callback( &ctx->gen );
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maildir_invoke_bad_callback( &ctx->gen );
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return DRV_CANCELED;
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return DRV_CANCELED;
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}
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}
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11
src/main.c
11
src/main.c
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@ -601,9 +601,17 @@ sync_chans( main_vars_t *mvars, int ent )
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merge_actions( mvars->chan, mvars->ops, XOP_HAVE_REMOVE, OP_REMOVE, 0 );
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merge_actions( mvars->chan, mvars->ops, XOP_HAVE_REMOVE, OP_REMOVE, 0 );
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merge_actions( mvars->chan, mvars->ops, XOP_HAVE_EXPUNGE, OP_EXPUNGE, 0 );
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merge_actions( mvars->chan, mvars->ops, XOP_HAVE_EXPUNGE, OP_EXPUNGE, 0 );
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mvars->state[M] = mvars->state[S] = ST_FRESH;
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info( "Channel %s\n", mvars->chan->name );
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info( "Channel %s\n", mvars->chan->name );
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mvars->skip = mvars->cben = 0;
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mvars->skip = mvars->cben = 0;
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for (t = 0; t < 2; t++) {
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if (mvars->chan->stores[t]->failed != FAIL_TEMP) {
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info( "Skipping due to failed %s store %s.\n", str_ms[t], mvars->chan->stores[t]->name );
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mvars->skip = 1;
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}
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}
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if (mvars->skip)
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goto next2;
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mvars->state[M] = mvars->state[S] = ST_FRESH;
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if (mvars->chan->stores[M]->driver->flags & mvars->chan->stores[S]->driver->flags & DRV_VERBOSE)
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if (mvars->chan->stores[M]->driver->flags & mvars->chan->stores[S]->driver->flags & DRV_VERBOSE)
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labels[M] = "M: ", labels[S] = "S: ";
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labels[M] = "M: ", labels[S] = "S: ";
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else
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else
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@ -694,6 +702,7 @@ sync_chans( main_vars_t *mvars, int ent )
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free_string_list( mvars->cboxes );
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free_string_list( mvars->cboxes );
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free_string_list( mvars->boxes[M] );
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free_string_list( mvars->boxes[M] );
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free_string_list( mvars->boxes[S] );
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free_string_list( mvars->boxes[S] );
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next2:
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if (mvars->all) {
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if (mvars->all) {
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if (!(mvars->chan = mvars->chan->next))
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if (!(mvars->chan = mvars->chan->next))
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break;
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break;
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Block a user