diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/sys/telnet.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/common/sys/telnet.c b/common/sys/telnet.c index 7d3d0eea..931ac526 100644 --- a/common/sys/telnet.c +++ b/common/sys/telnet.c @@ -4,6 +4,7 @@ * Improved by Kuang 2009 */ +// #include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> @@ -56,26 +57,32 @@ void telnet_ctx_init(TelnetCtx *ctx, const struct TelnetCallback *callback, int ctx->fd = fd; } -void telnet_ctx_set_cc_arg(TelnetCtx *ctx, void *cc_arg) +void telnet_ctx_set_cc_arg(TelnetCtx *ctx, void *arg) { - ctx->cc_arg = cc_arg; + ctx->cc_arg = arg; } -void telnet_ctx_set_write_arg(TelnetCtx *ctx, void *write_arg) +void telnet_ctx_set_write_arg(TelnetCtx *ctx, void *arg) { - ctx->write_arg = write_arg; + ctx->write_arg = arg; } -void telnet_ctx_set_resize_arg(TelnetCtx *ctx, void *resize_arg) +void telnet_ctx_set_resize_arg(TelnetCtx *ctx, void *arg) { - ctx->resize_arg = resize_arg; + ctx->resize_arg = arg; } -void telnet_ctx_set_ayt_arg(TelnetCtx *ctx, void *ayt_arg) +void telnet_ctx_set_ayt_arg(TelnetCtx *ctx, void *arg) { - ctx->ayt_arg = ayt_arg; + ctx->ayt_arg = arg; } +void telnet_ctx_set_ttype_arg (TelnetCtx *ctx, void *arg) +{ + ctx->ttype_arg = arg; +} + + /* We are the boss. We don't respect to client. * It's client's responsibility to follow us. * Please write these codes in i-dont-care opt handlers. @@ -313,6 +320,8 @@ telnet_handler(TelnetCtx *ctx, unsigned char c) ctx->iac_buf[ctx->iac_buflen++] = c; /* no need to convert state because previous quoting will do. */ + // XXX BUG max length of TERMTYPE is 40 characters... + // (and one extra NUL for prefix 'IS') if(ctx->iac_buflen == TELNET_IAC_MAXLEN) { /* may be broken protocol? * whether finished or not, break for safety @@ -360,6 +369,15 @@ telnet_handler(TelnetCtx *ctx, unsigned char c) } break; + case TELOPT_TTYPE: + // XXX termtype is in ctx->iac_buf+2 + // iac_buf: TTYPE=24 IS=0 NVT_ASCII ... + if (ctx->callback->ttype && ctx->iac_buflen > 2) + ctx->callback->ttype( + ctx->ttype_arg, + (char*)ctx->iac_buf+2, + ctx->iac_buflen-2); + // no break here, let's also update termtype to cc. default: if (ctx->cc_arg && ctx->callback->update_client_code) { |