Limit commands that can be issued when not logged in:
TYPE, STRU, MODE, ALLO, STAT, ABOR, SITE IDLE, SYST, REST Reviewed by: kris, sheldon
This commit is contained in:
Chris D. Faulhaber
parent
aecdf0ebbf
commit
3fca54b652
@ -355,72 +355,82 @@ cmd
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if ($2)
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long_passive("EPSV", PF_UNSPEC);
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}
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| TYPE SP type_code CRLF
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| TYPE check_login SP type_code CRLF
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{
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switch (cmd_type) {
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if ($2) {
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switch (cmd_type) {
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case TYPE_A:
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if (cmd_form == FORM_N) {
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reply(200, "Type set to A.");
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case TYPE_A:
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if (cmd_form == FORM_N) {
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reply(200, "Type set to A.");
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type = cmd_type;
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form = cmd_form;
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} else
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reply(504, "Form must be N.");
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break;
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case TYPE_E:
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reply(504, "Type E not implemented.");
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break;
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case TYPE_I:
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reply(200, "Type set to I.");
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type = cmd_type;
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form = cmd_form;
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} else
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reply(504, "Form must be N.");
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break;
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break;
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case TYPE_E:
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reply(504, "Type E not implemented.");
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break;
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case TYPE_I:
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reply(200, "Type set to I.");
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type = cmd_type;
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break;
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case TYPE_L:
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case TYPE_L:
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#if NBBY == 8
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if (cmd_bytesz == 8) {
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reply(200,
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"Type set to L (byte size 8).");
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type = cmd_type;
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} else
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reply(504, "Byte size must be 8.");
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if (cmd_bytesz == 8) {
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reply(200,
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"Type set to L (byte size 8).");
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type = cmd_type;
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} else
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reply(504, "Byte size must be 8.");
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#else /* NBBY == 8 */
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UNIMPLEMENTED for NBBY != 8
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UNIMPLEMENTED for NBBY != 8
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#endif /* NBBY == 8 */
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}
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}
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}
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| STRU SP struct_code CRLF
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| STRU check_login SP struct_code CRLF
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{
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switch ($3) {
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if ($2) {
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switch ($4) {
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case STRU_F:
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reply(200, "STRU F ok.");
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break;
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case STRU_F:
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reply(200, "STRU F ok.");
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break;
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default:
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reply(504, "Unimplemented STRU type.");
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default:
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reply(504, "Unimplemented STRU type.");
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}
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}
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}
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| MODE SP mode_code CRLF
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| MODE check_login SP mode_code CRLF
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{
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switch ($3) {
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if ($2) {
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switch ($4) {
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case MODE_S:
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reply(200, "MODE S ok.");
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break;
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default:
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reply(502, "Unimplemented MODE type.");
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case MODE_S:
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reply(200, "MODE S ok.");
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break;
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default:
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reply(502, "Unimplemented MODE type.");
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}
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}
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}
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| ALLO SP NUMBER CRLF
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| ALLO check_login SP NUMBER CRLF
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{
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reply(202, "ALLO command ignored.");
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if ($2) {
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reply(202, "ALLO command ignored.");
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}
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}
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| ALLO SP NUMBER SP R SP NUMBER CRLF
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| ALLO check_login SP NUMBER SP R SP NUMBER CRLF
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{
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reply(202, "ALLO command ignored.");
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if ($2) {
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reply(202, "ALLO command ignored.");
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}
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}
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| RETR check_login SP pathname CRLF
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{
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@ -474,9 +484,11 @@ cmd
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if ($4 != NULL)
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free($4);
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}
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| STAT CRLF
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| STAT check_login CRLF
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{
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statcmd();
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if ($2) {
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statcmd();
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}
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}
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| DELE check_login_ro SP pathname CRLF
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{
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@ -498,9 +510,10 @@ cmd
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}
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free($4);
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}
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| ABOR CRLF
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| ABOR check_login CRLF
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{
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reply(225, "ABOR command successful.");
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if ($2)
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reply(225, "ABOR command successful.");
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}
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| CWD check_login CRLF
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{
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@ -612,24 +625,27 @@ cmd
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if ($8 != NULL)
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free($8);
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}
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| SITE SP IDLE CRLF
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| SITE SP check_login IDLE CRLF
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{
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reply(200,
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"Current IDLE time limit is %d seconds; max %d",
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timeout, maxtimeout);
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}
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| SITE SP IDLE SP NUMBER CRLF
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{
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if ($5 < 30 || $5 > maxtimeout) {
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reply(501,
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"Maximum IDLE time must be between 30 and %d seconds",
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maxtimeout);
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} else {
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timeout = $5;
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(void) alarm((unsigned) timeout);
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if ($3)
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reply(200,
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"Maximum IDLE time set to %d seconds",
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timeout);
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"Current IDLE time limit is %d seconds; max %d",
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timeout, maxtimeout);
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}
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| SITE SP check_login IDLE SP NUMBER CRLF
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{
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if ($3) {
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if ($6 < 30 || $6 > maxtimeout) {
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reply(501,
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"Maximum IDLE time must be between 30 and %d seconds",
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maxtimeout);
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} else {
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timeout = $6;
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(void) alarm((unsigned) timeout);
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reply(200,
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"Maximum IDLE time set to %d seconds",
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timeout);
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}
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}
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}
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| STOU check_login_ro SP pathname CRLF
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@ -639,8 +655,9 @@ cmd
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if ($4 != NULL)
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free($4);
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}
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| SYST CRLF
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| SYST check_login CRLF
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{
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if ($2)
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#ifdef unix
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#ifdef BSD
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reply(215, "UNIX Type: L%d Version: BSD-%d",
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@ -722,12 +739,15 @@ rcmd
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}
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}
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}
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| REST SP byte_size CRLF
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| REST check_login SP byte_size CRLF
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{
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fromname = (char *) 0;
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restart_point = $3; /* XXX $3 is only "int" */
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reply(350, "Restarting at %qd. %s", restart_point,
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"Send STORE or RETRIEVE to initiate transfer.");
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if ($2) {
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fromname = (char *) 0;
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restart_point = $4; /* XXX $4 is only "int" */
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reply(350, "Restarting at %qd. %s",
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restart_point,
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"Send STORE or RETRIEVE to initiate transfer.");
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}
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}
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;
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