--- libaitcli/src/aitcli.c 2010/06/07 09:04:46 1.2.2.5 +++ libaitcli/src/aitcli.c 2012/05/23 15:04:11 1.4.2.1 @@ -3,24 +3,52 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitcli.c,v 1.2.2.5 2010/06/07 09:04:46 misho Exp $ +* $Id: aitcli.c,v 1.4.2.1 2012/05/23 15:04:11 misho Exp $ * -*************************************************************************/ -#include "global.h" +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria -#pragma GCC visibility push(hidden) +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 + by Michael Pounov . All rights reserved. -/* -commands_t cli_stdCmds[] = { - { "test", cli_Cmd_Unsupported, "Test - Don`t use default command structure!", "test ", cli_Comp_Filename }, - { "-------", NULL, "---------------------", NULL, NULL }, - { "help", cli_Cmd_Help, "Help screen", "help [command] ", NULL }, - { "exit", cli_Cmd_Exit, "Exit from console", "exit ", NULL }, - { NULL, NULL, NULL, NULL } -}; +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: +This product includes software developed by Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. */ +#include "global.h" +#include "cli.h" + +#pragma GCC visibility push(hidden) + // ------------------------------------------------ int cli_Errno; @@ -107,17 +135,6 @@ printfNL(linebuffer_t * __restrict buf, int prompt) } } -static inline void -printfCLI(linebuffer_t * __restrict buf, const unsigned char *text, int textlen, int prompt) -{ - if (buf && text && textlen) { - if (prompt && buf->line_prompt) - write(buf->line_out, buf->line_prompt, buf->line_bol); - - write(buf->line_out, text, textlen); - } -} - // ------------------------------------------------------------ static int @@ -144,8 +161,8 @@ bufCHAR(int idx, void * __restrict buffer) write(buf->line_out, buf->line_keys[idx].key_ch, buf->line_keys[idx].key_len); if (buf->line_mode == LINEMODE_INS) { - printfCLI(buf, (const u_char*) buf->line_buf + pos + buf->line_keys[idx].key_len, - buf->line_len - buf->line_eol, 0); + write(buf->line_out, (const u_char*) buf->line_buf + pos + buf->line_keys[idx].key_len, + buf->line_len - buf->line_eol); printfEOL(buf, -1, 1); } return RETCODE_OK; @@ -164,12 +181,11 @@ bufEOL(int idx, void * __restrict buffer) static int bufEOF(int idx, void * __restrict buffer) { - linebuffer_t *buf = buffer; - + /* if (!buffer || idx < 0 || idx > MAX_BINDKEY) return RETCODE_ERR; + */ - write(buf->line_out, buf->line_keys[idx].key_ch, buf->line_keys[idx].key_len); return RETCODE_EOF; } @@ -383,6 +399,114 @@ bufDEL(int idx, void * __restrict buffer) return RETCODE_OK; } +static int +bufComp(int idx, void * __restrict buffer) +{ + linebuffer_t *buf = buffer; + char *str, *s, **app, *items[MAX_PROMPT_ITEMS], szLine[STRSIZ]; + register int i, j; + struct tagCommand *cmd, *c; + int pos, ret = RETCODE_OK; + + if (!buffer || idx < 0 || idx > MAX_BINDKEY) + return RETCODE_ERR; + + str = io_strdup(buf->line_buf); + if (!str) + return RETCODE_ERR; + else { + s = str; + io_TrimStr(s); + } + + i = j = 0; + c = NULL; + memset(szLine, 0, STRSIZ); + if (*s) { + memset(items, 0, sizeof(char*) * MAX_PROMPT_ITEMS); + for (app = items, i = 0; app < items + MAX_PROMPT_ITEMS - 1 && (*app = strsep(&s, " \t")); + *app ? i++ : i, *app ? app++ : app); + + if (i) { + SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) { + if (cmd->cmd_level == buf->line_level && + !strncmp(cmd->cmd_name, items[0], strlen(items[0]))) { + if (strncmp(cmd->cmd_name, CLI_CMD_SEP, strlen(CLI_CMD_SEP))) { + j++; + c = cmd; + strlcat(szLine, " ", STRSIZ); + strlcat(szLine, cmd->cmd_name, STRSIZ); + } + } + } + + if (i > 1 && c) { + /* we are on argument of command and has complition info */ + j++; // always must be j > 1 ;) for arguments + strlcpy(szLine, c->cmd_info, STRSIZ); + } + } else { + /* we have valid char but i == 0, this case is illegal */ + ret = RETCODE_ERR; + goto endcomp; + } + } else { + /* we on 0 position of prompt, show commands for this level */ + SLIST_FOREACH(cmd, &buf->line_cmds, cmd_next) { + if (cmd->cmd_level == buf->line_level) + if (strncmp(cmd->cmd_name, CLI_CMD_SEP, strlen(CLI_CMD_SEP))) { + j++; + c = cmd; + strlcat(szLine, " ", STRSIZ); + strlcat(szLine, cmd->cmd_name, STRSIZ); + } + } + } + + /* completion show actions ... */ + if (j > 1 && c) { + printfNL(buf, 0); + write(buf->line_out, szLine, strlen(szLine)); + printfNL(buf, 1); + printfEOL(buf, buf->line_len - 1, 1); + printfEOL(buf, -1, 1); + } + if (j == 1 && c) { + clrscrEOL(buf); + cli_freeLine(buf); + + pos = buf->line_eol - buf->line_bol; + + buf->line_len += c->cmd_len + 1; + buf->line_eol += c->cmd_len + 1; + + memcpy(buf->line_buf + pos, c->cmd_name, c->cmd_len); + buf->line_buf[pos + c->cmd_len] = (u_char) *K_SPACE; + buf->line_buf[buf->line_len - 1] = 0; + + printfEOL(buf, -1, 1); + } + +endcomp: + io_free(str); + return ret; +} + +static int +bufHelp(int idx, void * __restrict buffer) +{ + linebuffer_t *buf = buffer; + + if (!buffer || idx < 0 || idx > MAX_BINDKEY) + return RETCODE_ERR; + + cli_Cmd_Help(buf, -1, NULL); + + printfEOL(buf, buf->line_len - 1, 1); + printfEOL(buf, -1, 1); + return RETCODE_OK; +} + // --------------------------------------------------------------- /* @@ -413,6 +537,22 @@ cli_Printf(linebuffer_t * __restrict buffer, char *fmt } /* + * cli_PrintHelp() Print help screen + * @buffer = CLI buffer + * return: none +*/ +inline void +cli_PrintHelp(linebuffer_t * __restrict buffer) +{ + if (buffer) { + bufHelp(0, buffer); + clrscrEOL(buffer); + } else + cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); +} + + +/* * cli_BindKey() Bind function to key * @key = key structure * @buffer = CLI buffer @@ -440,6 +580,114 @@ cli_BindKey(bindkey_t * __restrict key, linebuffer_t * /* + * cli_addCommand() Add command to CLI session + * @buffer = CLI buffer + * @csCmd = Command name + * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ... + * @funcCmd = Callback function when user call command + * @csInfo = Inline information for command + * @csHelp = Help line when call help + * return: RETCODE_ERR error, RETCODE_OK ok +*/ +int +cli_addCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd, + const char *csInfo, const char *csHelp) +{ + struct tagCommand *cmd; + + if (!buffer || !csCmd) { + cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); + return RETCODE_ERR; + } + + cmd = io_malloc(sizeof(struct tagCommand)); + if (!cmd) { + LOGERR; + return RETCODE_ERR; + } else + memset(cmd, 0, sizeof(struct tagCommand)); + + cmd->cmd_level = cliLevel; + cmd->cmd_func = funcCmd; + cmd->cmd_len = strlcpy(cmd->cmd_name, csCmd, STRSIZ); + if (csInfo) + strlcpy(cmd->cmd_info, csInfo, STRSIZ); + if (csHelp) + strlcpy(cmd->cmd_help, csHelp, STRSIZ); + SLIST_INSERT_HEAD(&buffer->line_cmds, cmd, cmd_next); + return RETCODE_OK; +} + +/* + * cli_delCommand() Delete command from CLI session + * @buffer = CLI buffer + * @csCmd = Command name + * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ... + * return: RETCODE_ERR error, RETCODE_OK ok +*/ +int +cli_delCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel) +{ + struct tagCommand *cmd; + int ret = RETCODE_OK; + + if (!buffer || !csCmd) { + cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); + return RETCODE_ERR; + } + + SLIST_FOREACH(cmd, &buffer->line_cmds, cmd_next) + if (cmd->cmd_level == cliLevel && !strcmp(cmd->cmd_name, csCmd)) { + ret = 1; + SLIST_REMOVE(&buffer->line_cmds, cmd, tagCommand, cmd_next); + io_free(cmd); + break; + } + + return ret; +} + +/* + * cli_updCommand() Update command in CLI session + * @buffer = CLI buffer + * @csCmd = Command name + * @cliLevel = Level in CLI, -1 unprivi(view from all), 0 main config, 1 sub config ... + * @funcCmd = Callback function when user call command + * @csInfo = Inline information for command + * @csHelp = Help line when call help + * return: RETCODE_ERR error, RETCODE_OK ok +*/ +int +cli_updCommand(linebuffer_t * __restrict buffer, const char *csCmd, int cliLevel, cmd_func_t funcCmd, + const char *csInfo, const char *csHelp) +{ + struct tagCommand *cmd; + int ret = RETCODE_OK; + + if (!buffer || !csCmd) { + cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); + return RETCODE_ERR; + } + + SLIST_FOREACH(cmd, &buffer->line_cmds, cmd_next) + if (cmd->cmd_level == cliLevel && !strcmp(cmd->cmd_name, csCmd)) { + ret = 1; + + if (funcCmd) + cmd->cmd_func = funcCmd; + if (csInfo) + strlcpy(cmd->cmd_info, csInfo, STRSIZ); + if (csHelp) + strlcpy(cmd->cmd_help, csHelp, STRSIZ); + + break; + } + + return ret; +} + + +/* * cli_addHistory() Add line to history * @buffer = CLI buffer * @str = Add custom text or if NULL use readed line from CLI buffer @@ -455,7 +703,7 @@ cli_addHistory(linebuffer_t * __restrict buffer, const return RETCODE_ERR; } - if (!(h = malloc(sizeof(struct tagHistory)))) { + if (!(h = io_malloc(sizeof(struct tagHistory)))) { LOGERR; return RETCODE_ERR; } else @@ -463,19 +711,19 @@ cli_addHistory(linebuffer_t * __restrict buffer, const if (str) { if (!*str) { - free(h); + io_free(h); return RETCODE_OK; } h->hist_len = strlcpy(h->hist_line, str, BUFSIZ); } else { if (!*buffer->line_buf || buffer->line_len < 2) { - free(h); + io_free(h); return RETCODE_OK; } memcpy(h->hist_line, buffer->line_buf, (h->hist_len = buffer->line_len)); - io_TrimStr((u_char*) h->hist_line); + io_TrimStr(h->hist_line); h->hist_len = strlen(h->hist_line); } @@ -559,9 +807,9 @@ cli_loadHistory(linebuffer_t * __restrict buffer, cons if (!*buf || *buf == '#') continue; else - io_TrimStr((u_char*) buf); + io_TrimStr(buf); - if (!(h = malloc(sizeof(struct tagHistory)))) { + if (!(h = io_malloc(sizeof(struct tagHistory)))) { LOGERR; fclose(f); return RETCODE_ERR; @@ -601,9 +849,9 @@ cli_freeLine(linebuffer_t * __restrict buffer) if (buffer) { if (buffer->line_buf) - free(buffer->line_buf); + io_free(buffer->line_buf); - buffer->line_buf = malloc(BUFSIZ); + buffer->line_buf = io_malloc(BUFSIZ); if (buffer->line_buf) { memset(buffer->line_buf, 0, BUFSIZ); buffer->line_eol = buffer->line_bol; @@ -629,13 +877,13 @@ cli_setPrompt(linebuffer_t * __restrict buffer, const { if (buffer) { if (buffer->line_prompt) { - free(buffer->line_prompt); + io_free(buffer->line_prompt); buffer->line_prompt = NULL; buffer->line_bol = 0; } if (prompt) { - buffer->line_prompt = strdup(prompt); + buffer->line_prompt = io_strdup(prompt); if (buffer->line_prompt) { buffer->line_bol = strlen(buffer->line_prompt); buffer->line_eol = buffer->line_bol; @@ -662,22 +910,22 @@ cliEnd(linebuffer_t * __restrict buffer) if (buffer) { while ((c = SLIST_FIRST(&buffer->line_cmds))) { SLIST_REMOVE_HEAD(&buffer->line_cmds, cmd_next); - free(c); + io_free(c); } while ((h = TAILQ_FIRST(&buffer->line_history))) { TAILQ_REMOVE(&buffer->line_history, h, hist_next); - free(h); + io_free(h); } if (buffer->line_prompt) - free(buffer->line_prompt); + io_free(buffer->line_prompt); if (buffer->line_keys) - free(buffer->line_keys); + io_free(buffer->line_keys); if (buffer->line_buf) - free(buffer->line_buf); + io_free(buffer->line_buf); - free(buffer); + io_free(buffer); buffer = NULL; } else cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); @@ -696,11 +944,9 @@ cliInit(int fin, int fout, const char *prompt) linebuffer_t *buffer; bindkey_t *keys; register int i; - struct termios t; - memset(&t, 0, sizeof t); /* init buffer */ - buffer = malloc(sizeof (linebuffer_t)); + buffer = io_malloc(sizeof(linebuffer_t)); if (!buffer) { LOGERR; return NULL; @@ -714,37 +960,42 @@ cliInit(int fin, int fout, const char *prompt) SLIST_INIT(&buffer->line_cmds); if (prompt) { - buffer->line_prompt = strdup(prompt); + buffer->line_prompt = io_strdup(prompt); if (!buffer->line_prompt) { LOGERR; - free(buffer); + io_free(buffer); return NULL; } else buffer->line_eol = buffer->line_bol = strlen(buffer->line_prompt); } } - buffer->line_buf = malloc(BUFSIZ); + buffer->line_buf = io_malloc(BUFSIZ); if (!buffer->line_buf) { LOGERR; if (buffer->line_prompt) - free(buffer->line_prompt); - free(buffer); + io_free(buffer->line_prompt); + io_free(buffer); return NULL; } else { memset(buffer->line_buf, 0, BUFSIZ); buffer->line_len = 1 + buffer->line_eol; } - keys = calloc(MAX_BINDKEY + 1, sizeof(bindkey_t)); + keys = io_calloc(MAX_BINDKEY + 1, sizeof(bindkey_t)); if (!keys) { LOGERR; if (buffer->line_prompt) - free(buffer->line_prompt); - free(buffer->line_buf); - free(buffer); + io_free(buffer->line_prompt); + io_free(buffer->line_buf); + io_free(buffer); return NULL; } else memset(keys, 0, sizeof(bindkey_t) * (MAX_BINDKEY + 1)); + /* add helper functions */ + cli_addCommand(buffer, "exit", 0, cli_Cmd_Exit, "exit ", "Exit from console"); + cli_addCommand(buffer, "help", 0, cli_Cmd_Help, "help [command] ", "Help screen"); + cli_addCommand(buffer, "-------", 0, NULL, "-------------------------", NULL); + /* fill key bindings */ // ascii chars & ctrl+chars for (i = 0; i < 256; i++) { @@ -763,10 +1014,14 @@ cliInit(int fin, int fout, const char *prompt) keys[i].key_func = bufBEGIN; if (i == *K_CTRL_E) keys[i].key_func = bufEND; + if (i == *K_TAB) + keys[i].key_func = bufComp; if (i >= *K_SPACE && i < *K_BACKSPACE) keys[i].key_func = bufCHAR; if (i > *K_BACKSPACE && i < 0xff) keys[i].key_func = bufCHAR; + if (i == '?') + keys[i].key_func = bufHelp; } // alt+chars for (i = 256; i < 512; i++) { @@ -929,21 +1184,33 @@ cliInit(int fin, int fout, const char *prompt) memcpy(keys[i].key_ch, K_F12, keys[i].key_len); i++; + buffer->line_keys = keys; + return buffer; +} + +/* + * cliInitLine() Init CLI input line terminal + * @buffer = CLI buffer + * return: none +*/ +int +cliInitLine(linebuffer_t * __restrict buffer) +{ + struct termios t; + + memset(&t, 0, sizeof t); tcgetattr(buffer->line_in, &t); t.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOCTL | ECHOE | ECHOK | ECHOKE | ECHONL | ECHOPRT); t.c_iflag |= IGNBRK; t.c_cc[VMIN] = 1; t.c_cc[VTIME] = 0; - tcsetattr(buffer->line_in, TCSANOW, &t); - - buffer->line_keys = keys; - return buffer; + return tcsetattr(buffer->line_in, TCSANOW, &t); } /* * cliReadLine() Read line from opened CLI session * @buffer = CLI buffer - * return: NULL if error or !=NULL readed line, must be free after use! + * return: NULL if error or !=NULL readed line, must be io_free after use! */ char * cliReadLine(linebuffer_t * __restrict buffer) @@ -977,7 +1244,7 @@ cliReadLine(linebuffer_t * __restrict buffer) } if (!readLen) { if (buffer->line_buf) - str = strdup(buffer->line_buf); + str = io_strdup(buffer->line_buf); else cli_SetErr(EPIPE, "Error:: unknown state ..."); return str; @@ -1009,7 +1276,7 @@ recheck: } if (code != RETCODE_ERR && code != RETCODE_EOF && buffer->line_buf) - str = strdup(buffer->line_buf); + str = io_strdup(buffer->line_buf); return str; } @@ -1019,56 +1286,47 @@ recheck: * @buffer = CLI buffer * @csHistFile = History file name * @sock = client socket - * @term = stdin termios - * @win = window size of tty * return: RETCODE_ERR error, RETCODE_OK ok */ int -cliNetLoop(linebuffer_t * __restrict buffer, const char *csHistFile, int sock, - struct termios *term, struct winsize *win) +cliNetLoop(linebuffer_t * __restrict buffer, const char *csHistFile, int sock) { u_char buf[BUFSIZ]; - int pty, r, s, alen, attrlen, flg, ret = 0; + int pid, stat, pty, r, s, alen, flg, attrlen = 0, ret = 0; fd_set fds; struct timeval tv = { DEFAULT_SOCK_TIMEOUT, 0 }; struct telnetAttrs *a, Attr[10]; - switch (forkpty(&pty, NULL, term, win)) { + switch ((pid = forkpty(&pty, NULL, NULL, NULL))) { case -1: LOGERR; return -1; case 0: - close(sock); + if (!buffer) { + cli_SetErr(EINVAL, "Error:: invalid input parameters ..."); + return -1; + } else + close(sock); -// buffer = cliInit(STDIN_FILENO, STDOUT_FILENO, csPrompt); -// if (!buffer) -// return RETCODE_ERR; - ret = cliLoop(buffer, csHistFile) < 0 ? 1 : 0; + cliEnd(buffer); -// cliEnd(buffer); - - /* spawn Shell mode */ - /* - execl("/bin/tcsh", "tcsh", NULL); - */ - - _exit(ret); + exit(ret); default: - /* spawn Shell mode */ - telnet_SetCmd(Attr + 0, DO, TELOPT_TTYPE); - telnet_SetCmd(Attr + 1, WILL, TELOPT_ECHO); - telnet_Set_SubOpt(Attr + 2, TELOPT_LFLOW, LFLOW_OFF, NULL, 0); - telnet_Set_SubOpt(Attr + 3, TELOPT_LFLOW, LFLOW_RESTART_XON, NULL, 0); - telnet_SetCmd(Attr + 4, DO, TELOPT_LINEMODE); - if ((ret = telnetSend(sock, Attr, 5, NULL, 0, 0)) == -1) { - cli_Errno = telnet_GetErrno(); - strlcpy(cli_Error, telnet_GetError(), STRSIZ); + cli_telnet_SetCmd(Attr + 0, DO, TELOPT_TTYPE); + cli_telnet_SetCmd(Attr + 1, WILL, TELOPT_ECHO); + cli_telnet_Set_SubOpt(Attr + 2, TELOPT_LFLOW, LFLOW_OFF, NULL, 0); + cli_telnet_Set_SubOpt(Attr + 3, TELOPT_LFLOW, LFLOW_RESTART_XON, NULL, 0); + cli_telnet_SetCmd(Attr + 4, DO, TELOPT_LINEMODE); + if ((ret = cli_telnetSend(sock, Attr, 5, NULL, 0, 0)) == -1) return -1; - } else + else flg = 0; while (42) { + if (waitpid(pid, &stat, WNOHANG)) + break; + FD_ZERO(&fds); FD_SET(sock, &fds); FD_SET(pty, &fds); @@ -1082,43 +1340,54 @@ cliNetLoop(linebuffer_t * __restrict buffer, const cha r = FD_ISSET(sock, &fds) ? sock : pty; s = FD_ISSET(sock, &fds) ? pty : sock; - if ((ret = telnetRecv(r, &a, &alen, buf, BUFSIZ)) < 0) { + if (FD_ISSET(sock, &fds)) { + memset(buf, 0, BUFSIZ); + if ((ret = cli_telnetRecv(sock, &a, &alen, buf, BUFSIZ)) < 0) { + if (a) + io_free(a); + + if (-2 == ret) + continue; + // EOF + if (-3 == ret) + shutdown(sock, SHUT_RD); + break; + } + attrlen = 0; + if (1 == flg && alen) { + cli_telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_SGA); + cli_telnet_SetCmd(&Attr[attrlen++], DO, TELOPT_ECHO); + } + if (2 == flg && alen) { + cli_telnet_SetCmd(&Attr[attrlen++], WILL, TELOPT_ECHO); + cli_telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW, + LFLOW_OFF, NULL, 0); + cli_telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW, + LFLOW_RESTART_XON, NULL, 0); + cli_telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_LINEMODE); + } if (a) - free(a); + io_free(a); - if (-2 == ret) - continue; - // EOF - if (-3 == ret) - shutdown(r, SHUT_RD); - else { - cli_Errno = telnet_GetErrno(); - strlcpy(cli_Error, telnet_GetError(), STRSIZ); + if ((ret = write(pty, buf, ret)) == -1) { + LOGERR; + break; } - break; } - attrlen = 0; - if (1 == flg && alen) { - telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_SGA); - telnet_SetCmd(&Attr[attrlen++], DO, TELOPT_ECHO); - } - if (2 == flg && alen) { - telnet_SetCmd(&Attr[attrlen++], WILL, TELOPT_ECHO); - telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW, - LFLOW_OFF, NULL, 0); - telnet_Set_SubOpt(&Attr[attrlen++], TELOPT_LFLOW, - LFLOW_RESTART_XON, NULL, 0); - telnet_SetCmd(&Attr[attrlen++], DONT, TELOPT_LINEMODE); - } - if (a) - free(a); - if ((ret = telnetSend(s, Attr, pty == s ? 0 : attrlen, buf, ret, 0)) == -1) { - cli_Errno = telnet_GetErrno(); - strlcpy(cli_Error, telnet_GetError(), STRSIZ); - break; - } else - flg++; + if (FD_ISSET(pty, &fds)) { + memset(buf, 0, BUFSIZ); + if ((ret = read(pty, buf, BUFSIZ)) == -1) { + LOGERR; + break; + } + + if ((ret = cli_telnetSend(sock, Attr, pty == s ? 0 : attrlen, + buf, ret, 0)) == -1) + break; + else + flg++; + } } close(pty); @@ -1141,49 +1410,8 @@ cliLoop(linebuffer_t * __restrict buffer, const char * int ret = RETCODE_OK; struct tagCommand *cmd; - /* - inline int inline_help() - { - cli_Cmd_Help(cmdList ? cmdList : cli_stdCmds, -1, out, NULL); - rl_on_new_line(); - return 0; - } - - char **cli_stdCompletion(const char *text, int start, int end) - { - register int i; - char **matches = NULL; - - char *cmdCompGet(const char *text, int state) - { - int len = strlen(text); - - for (i = state; cmdList[i].cmd_name; i++) { - if (strncmp(cmdList[i].cmd_name, "---", 3) && - !strncmp(cmdList[i].cmd_name, text, len)) - return strdup(cmdList[i].cmd_name); - } - - return NULL; - } - - if (!start) - matches = rl_completion_matches(text, cmdCompGet); - else - for (i = 0; cmdList[i].cmd_name; i++) { - if (!cmdList[i].cmd_comp) - continue; - if (!strncmp(rl_line_buffer, cmdList[i].cmd_name, strlen(cmdList[i].cmd_name))) - matches = rl_completion_matches(text, cmdList[i].cmd_comp); - } - - return matches; - } - - - */ - /* --- main body of CLI --- */ + cliInitLine(buffer); if (cli_loadHistory(buffer, csHistFile) == RETCODE_ERR) return RETCODE_ERR; @@ -1196,9 +1424,9 @@ cliLoop(linebuffer_t * __restrict buffer, const char * } else cli_addHistory(buffer, NULL); // clear whitespaces - for (s = line; isspace(*s); s++); + for (s = line; isspace((int) *s); s++); if (*s) { - for (t = s + strlen(s) - 1; t > s && isspace(*t); t--); + for (t = s + strlen(s) - 1; t > s && isspace((int) *t); t--); *++t = 0; } @@ -1220,12 +1448,18 @@ cliLoop(linebuffer_t * __restrict buffer, const char * cli_Printf(buffer, "\nCommand '%s' not found!\n", items[0]); ret = -1; } else - ret = cmd->cmd_func(buffer, i, items); + if (cmd->cmd_func) { + cli_Printf(buffer, "\n"); + ret = cmd->cmd_func(buffer, i, items); + } else { + clrscrEOL(buffer); + printfCR(buffer, 1); + } } cli_freeLine(buffer); cli_resetHistory(buffer); - free(line); + io_free(line); } while (ret < 1); cli_saveHistory(buffer, csHistFile, HISTORY_LINES);