2 * Copyright (c) 1989 Regents of the University of California.
3 * All rights reserved. The Berkeley software License Agreement
4 * specifies the terms and conditions for redistribution.
8 RCSID("$Id: pop_get_command.c,v 1.16 2002/07/04 14:09:47 joda Exp $");
11 * get_command: Extract the command from an input line form a POP client
14 int pop_capa (POP *p);
15 static state_table states[] = {
16 {auth1, "user", 1, 1, pop_user, {auth1, auth2}},
17 {auth2, "pass", 1, 99, pop_pass, {auth1, trans}},
19 {auth2, "rpop", 1, 1, pop_rpop, {auth1, trans}},
21 {auth1, "quit", 0, 0, pop_quit, {halt, halt}},
22 {auth2, "quit", 0, 0, pop_quit, {halt, halt}},
24 {auth1, "capa", 0, 0, pop_capa, {auth1, auth1}},
25 {auth2, "capa", 0, 0, pop_capa, {auth2, auth2}},
26 {trans, "capa", 0, 0, pop_capa, {trans, trans}},
28 {trans, "stat", 0, 0, pop_stat, {trans, trans}},
29 {trans, "list", 0, 1, pop_list, {trans, trans}},
30 {trans, "retr", 1, 1, pop_send, {trans, trans}},
31 {trans, "dele", 1, 1, pop_dele, {trans, trans}},
32 {trans, "noop", 0, 0, NULL, {trans, trans}},
33 {trans, "rset", 0, 0, pop_rset, {trans, trans}},
34 {trans, "top", 2, 2, pop_send, {trans, trans}},
35 {trans, "last", 0, 0, pop_last, {trans, trans}},
36 {trans, "quit", 0, 0, pop_updt, {halt, halt}},
37 {trans, "help", 0, 0, pop_help, {trans, trans}},
39 {trans, "uidl", 0, 1, pop_uidl, {trans, trans}},
42 {trans, "xover", 0, 0, pop_xover, {trans, trans}},
45 {trans, "xdele", 1, 2, pop_xdele, {trans, trans}},
47 {(state) 0, NULL, 0, 0, NULL, {halt, halt}},
53 /* Search for the POP command in the command/state table */
54 pop_msg (p,POP_SUCCESS, "Capability list follows");
55 fprintf(p->output, "USER\r\n");
56 fprintf(p->output, "TOP\r\n");
57 fprintf(p->output, "PIPELINING\r\n");
58 fprintf(p->output, "EXPIRE NEVER\r\n");
59 fprintf(p->output, "RESP-CODES\r\n");
61 fprintf(p->output, "UIDL\r\n");
64 fprintf(p->output, "XOVER\r\n");
67 fprintf(p->output, "XDELE\r\n");
69 if(p->CurrentState == trans)
70 fprintf(p->output, "IMPLEMENTATION %s-%s\r\n", PACKAGE, VERSION);
71 fprintf(p->output,".\r\n");
74 p->flags |= POP_FLAG_CAPA;
80 pop_get_command(POP *p, char *mp)
83 char buf[MAXMSGLINELEN];
85 /* Save a copy of the original client line */
87 if(p->debug) strlcpy (buf, mp, sizeof(buf));
90 /* Parse the message into the parameter array */
91 if ((p->parm_count = pop_parse(p,mp)) < 0) return(NULL);
93 /* Do not log cleartext passwords */
96 if(strcmp(p->pop_command,"pass") == 0)
97 pop_log(p,POP_DEBUG,"Received: \"%s xxxxxxxxx\"",p->pop_command);
99 /* Remove trailing <LF> */
100 buf[strlen(buf)-2] = '\0';
101 pop_log(p,POP_DEBUG,"Received: \"%s\"",buf);
106 /* Search for the POP command in the command/state table */
107 for (s = states; s->command; s++) {
109 /* Is this a valid command for the current operating state? */
110 if (strcmp(s->command,p->pop_command) == 0
111 && s->ValidCurrentState == p->CurrentState) {
113 /* Were too few parameters passed to the command? */
114 if (p->parm_count < s->min_parms) {
115 pop_msg(p,POP_FAILURE,
116 "Too few arguments for the %s command.",
121 /* Were too many parameters passed to the command? */
122 if (p->parm_count > s->max_parms) {
123 pop_msg(p,POP_FAILURE,
124 "Too many arguments for the %s command.",
129 /* Return a pointer to the entry for this command in
130 the command/state table */
134 /* The client command was not located in the command/state table */
135 pop_msg(p,POP_FAILURE,
136 "Unknown command: \"%s\".",p->pop_command);
145 pop_msg(p, POP_SUCCESS, "help");
147 for (s = states; s->command; s++) {
148 fprintf (p->output, "%s\r\n", s->command);
150 fprintf (p->output, ".\r\n");