do away with the dreaded rcaps hack
don't pretend that the server has no literal+ for the time of the first relevant command's synchronous execution. instead, enable the lower layer to do the processing by telling it for which commands trashnc ("trash's existence not confirmed") is relevant.
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1545ed90a0
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@ -120,7 +120,7 @@ typedef struct imap_store {
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unsigned got_namespace:1;
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list_t *ns_personal, *ns_other, *ns_shared; /* NAMESPACE info */
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message_t **msgapp; /* FETCH results */
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unsigned caps, rcaps; /* CAPABILITY results */
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unsigned caps; /* CAPABILITY results */
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/* command queue */
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int nexttag, num_in_progress, literal_pending;
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struct imap_cmd *in_progress, **in_progress_append;
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@ -143,6 +143,7 @@ struct imap_cmd {
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int data_len;
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int uid; /* to identify fetch responses */
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unsigned
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to_trash:1, /* we are storing to trash, not current. */
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create:1, /* create the mailbox if we get an error ... */
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trycreate:1; /* ... but only if this is true or the server says so. */
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} param;
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@ -498,7 +499,8 @@ static struct imap_cmd *
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v_submit_imap_cmd( imap_store_t *ctx, struct imap_cmd *cmd,
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const char *fmt, va_list ap )
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{
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int n, bufl;
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int bufl, litplus;
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const char *buffmt;
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char buf[1024];
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while (ctx->literal_pending)
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@ -508,8 +510,17 @@ v_submit_imap_cmd( imap_store_t *ctx, struct imap_cmd *cmd,
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cmd = new_imap_cmd();
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cmd->tag = ++ctx->nexttag;
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nfvasprintf( &cmd->cmd, fmt, ap );
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bufl = nfsnprintf( buf, sizeof(buf), cmd->param.data ? CAP(LITERALPLUS) ?
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"%d %s{%d+}\r\n" : "%d %s{%d}\r\n" : "%d %s\r\n",
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if (!cmd->param.data) {
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buffmt = "%d %s\r\n";
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litplus = 0;
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} else if ((cmd->param.to_trash && ctx->trashnc) || !CAP(LITERALPLUS)) {
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buffmt = "%d %s{%d}\r\n";
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litplus = 0;
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} else {
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buffmt = "%d %s{%d+}\r\n";
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litplus = 1;
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}
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bufl = nfsnprintf( buf, sizeof(buf), buffmt,
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cmd->tag, cmd->cmd, cmd->param.data_len );
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if (DFlags & VERBOSE) {
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if (ctx->num_in_progress)
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@ -519,33 +530,28 @@ v_submit_imap_cmd( imap_store_t *ctx, struct imap_cmd *cmd,
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else
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printf( ">>> %d LOGIN <user> <pass>\n", cmd->tag );
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}
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if (socket_write( &ctx->buf.sock, buf, bufl ) != bufl) {
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if (socket_write( &ctx->buf.sock, buf, bufl ) != bufl)
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goto bail;
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if (litplus) {
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if (socket_write( &ctx->buf.sock, cmd->param.data, cmd->param.data_len ) != cmd->param.data_len ||
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socket_write( &ctx->buf.sock, "\r\n", 2 ) != 2)
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goto bail;
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free( cmd->param.data );
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free( cmd->cmd );
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free( cmd );
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return NULL;
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}
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if (cmd->param.data) {
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if (CAP(LITERALPLUS)) {
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n = socket_write( &ctx->buf.sock, cmd->param.data, cmd->param.data_len );
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free( cmd->param.data );
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if (n != cmd->param.data_len ||
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(n = socket_write( &ctx->buf.sock, "\r\n", 2 )) != 2)
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{
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free( cmd->cmd );
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free( cmd );
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return NULL;
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}
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cmd->param.data = 0;
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} else
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ctx->literal_pending = 1;
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} else if (cmd->param.cont)
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cmd->param.data = 0;
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} else if (cmd->param.cont || cmd->param.data) {
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ctx->literal_pending = 1;
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}
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cmd->next = 0;
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*ctx->in_progress_append = cmd;
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ctx->in_progress_append = &cmd->next;
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ctx->num_in_progress++;
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return cmd;
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bail:
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free( cmd->param.data );
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free( cmd->cmd );
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free( cmd );
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return NULL;
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}
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static struct imap_cmd *
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@ -884,7 +890,6 @@ parse_capability( imap_store_t *ctx, char *cmd )
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for (i = 0; i < as(cap_list); i++)
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if (!strcmp( cap_list[i], arg ))
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ctx->caps |= 1 << i;
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ctx->rcaps = ctx->caps;
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}
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static int
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@ -1042,6 +1047,8 @@ get_cmd_result( imap_store_t *ctx, struct imap_cmd *tcmd )
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it enforces a round-trip. */
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cmdp = ctx->in_progress;
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if (cmdp->param.data) {
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if (cmdp->param.to_trash)
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ctx->trashnc = 0; /* Can't get NO [TRYCREATE] any more. */
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n = socket_write( &ctx->buf.sock, cmdp->param.data, cmdp->param.data_len );
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free( cmdp->param.data );
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cmdp->param.data = 0;
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@ -1074,9 +1081,11 @@ get_cmd_result( imap_store_t *ctx, struct imap_cmd *tcmd )
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if (cmdp->param.cont || cmdp->param.data)
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ctx->literal_pending = 0;
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arg = next_arg( &cmd );
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if (!strcmp( "OK", arg ))
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if (!strcmp( "OK", arg )) {
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if (cmdp->param.to_trash)
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ctx->trashnc = 0; /* Can't get NO [TRYCREATE] any more. */
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resp = DRV_OK;
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else {
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} else {
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if (!strcmp( "NO", arg )) {
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if (cmdp->param.create && cmd && (cmdp->param.trycreate || !memcmp( cmd, "[TRYCREATE]", 11 ))) { /* SELECT, APPEND or UID COPY */
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p = strchr( cmdp->cmd, '"' );
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@ -1661,6 +1670,7 @@ imap_trash_msg( store_t *gctx, message_t *msg,
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imap_store_t *ctx = (imap_store_t *)gctx;
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struct imap_cmd *cmd = new_imap_cmd();
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cmd->param.create = 1;
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cmd->param.to_trash = 1;
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return cb( imap_exec_m( ctx, cmd, "UID COPY %d \"%s%s\"",
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msg->uid, ctx->prefix, gctx->conf->trash ), aux );
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}
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@ -1691,18 +1701,14 @@ imap_store_msg( store_t *gctx, msg_data_t *data, int to_trash,
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box = gctx->conf->trash;
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prefix = ctx->prefix;
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cmd->param.create = 1;
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if (ctx->trashnc)
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ctx->caps = ctx->rcaps & ~(1 << LITERALPLUS);
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cmd->param.to_trash = 1;
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} else {
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box = gctx->name;
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prefix = !strcmp( box, "INBOX" ) ? "" : ctx->prefix;
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}
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ret = imap_exec_m( ctx, cmd, "APPEND \"%s%s\" %s", prefix, box, flagstr );
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ctx->caps = ctx->rcaps;
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if (ret != DRV_OK)
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return cb( ret, -1, aux );
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if (to_trash)
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ctx->trashnc = 0;
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return cb( DRV_OK, uid, aux );
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}
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