diff options
Diffstat (limited to 'crypto/heimdal/appl/popper/pop_get_command.c')
| -rw-r--r-- | crypto/heimdal/appl/popper/pop_get_command.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/crypto/heimdal/appl/popper/pop_get_command.c b/crypto/heimdal/appl/popper/pop_get_command.c new file mode 100644 index 0000000..e43c1d9 --- /dev/null +++ b/crypto/heimdal/appl/popper/pop_get_command.c @@ -0,0 +1,118 @@ +/* + * Copyright (c) 1989 Regents of the University of California. + * All rights reserved. The Berkeley software License Agreement + * specifies the terms and conditions for redistribution. + */ + +#include <popper.h> +RCSID("$Id: pop_get_command.c,v 1.15 1999/09/16 20:38:49 assar Exp $"); + +/* + * get_command: Extract the command from an input line form a POP client + */ + +static state_table states[] = { + {auth1, "user", 1, 1, pop_user, {auth1, auth2}}, + {auth2, "pass", 1, 99, pop_pass, {auth1, trans}}, +#ifdef RPOP + {auth2, "rpop", 1, 1, pop_rpop, {auth1, trans}}, +#endif /* RPOP */ + {auth1, "quit", 0, 0, pop_quit, {halt, halt}}, + {auth2, "quit", 0, 0, pop_quit, {halt, halt}}, + {trans, "stat", 0, 0, pop_stat, {trans, trans}}, + {trans, "list", 0, 1, pop_list, {trans, trans}}, + {trans, "retr", 1, 1, pop_send, {trans, trans}}, + {trans, "dele", 1, 1, pop_dele, {trans, trans}}, + {trans, "noop", 0, 0, NULL, {trans, trans}}, + {trans, "rset", 0, 0, pop_rset, {trans, trans}}, + {trans, "top", 2, 2, pop_send, {trans, trans}}, + {trans, "last", 0, 0, pop_last, {trans, trans}}, + {trans, "quit", 0, 0, pop_updt, {halt, halt}}, + {trans, "help", 0, 0, pop_help, {trans, trans}}, +#ifdef UIDL + {trans, "uidl", 0, 1, pop_uidl, {trans, trans}}, +#endif +#ifdef XOVER + {trans, "xover", 0, 0, pop_xover, {trans, trans}}, +#endif +#ifdef XDELE + {trans, "xdele", 1, 2, pop_xdele, {trans, trans}}, +#endif + {(state) 0, NULL, 0, 0, NULL, {halt, halt}}, +}; + +state_table * +pop_get_command(POP *p, char *mp) +{ + state_table * s; + char buf[MAXMSGLINELEN]; + + /* Save a copy of the original client line */ +#ifdef DEBUG + if(p->debug) strlcpy (buf, mp, sizeof(buf)); +#endif /* DEBUG */ + + /* Parse the message into the parameter array */ + if ((p->parm_count = pop_parse(p,mp)) < 0) return(NULL); + + /* Do not log cleartext passwords */ +#ifdef DEBUG + if(p->debug){ + if(strcmp(p->pop_command,"pass") == 0) + pop_log(p,POP_DEBUG,"Received: \"%s xxxxxxxxx\"",p->pop_command); + else { + /* Remove trailing <LF> */ + buf[strlen(buf)-2] = '\0'; + pop_log(p,POP_DEBUG,"Received: \"%s\"",buf); + } + } +#endif /* DEBUG */ + + /* Search for the POP command in the command/state table */ + for (s = states; s->command; s++) { + + /* Is this a valid command for the current operating state? */ + if (strcmp(s->command,p->pop_command) == 0 + && s->ValidCurrentState == p->CurrentState) { + + /* Were too few parameters passed to the command? */ + if (p->parm_count < s->min_parms) { + pop_msg(p,POP_FAILURE, + "Too few arguments for the %s command.", + p->pop_command); + return NULL; + } + + /* Were too many parameters passed to the command? */ + if (p->parm_count > s->max_parms) { + pop_msg(p,POP_FAILURE, + "Too many arguments for the %s command.", + p->pop_command); + return NULL; + } + + /* Return a pointer to the entry for this command in + the command/state table */ + return (s); + } + } + /* The client command was not located in the command/state table */ + pop_msg(p,POP_FAILURE, + "Unknown command: \"%s\".",p->pop_command); + return NULL; +} + +int +pop_help (POP *p) +{ + state_table *s; + + pop_msg(p, POP_SUCCESS, "help"); + + for (s = states; s->command; s++) { + fprintf (p->output, "%s\r\n", s->command); + } + fprintf (p->output, ".\r\n"); + fflush (p->output); + return POP_SUCCESS; +} |
