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author | Andy Cedilnik <andy.cedilnik@kitware.com> | 2007-03-15 19:22:15 (GMT) |
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committer | Andy Cedilnik <andy.cedilnik@kitware.com> | 2007-03-15 19:22:15 (GMT) |
commit | 9314bb49e09b323f1c889d95448ca5dd0a42cc61 (patch) | |
tree | 72c7e4477ba67281ddc446e8cccad11e1b46e408 /Utilities/cmcurl/telnet.c | |
parent | f52d37c26f5fd48cc745b85c3233848d7b664368 (diff) | |
download | CMake-9314bb49e09b323f1c889d95448ca5dd0a42cc61.zip CMake-9314bb49e09b323f1c889d95448ca5dd0a42cc61.tar.gz CMake-9314bb49e09b323f1c889d95448ca5dd0a42cc61.tar.bz2 |
ENH: Update Curl to 7.16.1
Diffstat (limited to 'Utilities/cmcurl/telnet.c')
-rw-r--r-- | Utilities/cmcurl/telnet.c | 228 |
1 files changed, 121 insertions, 107 deletions
diff --git a/Utilities/cmcurl/telnet.c b/Utilities/cmcurl/telnet.c index 98a1adf..97d22b7 100644 --- a/Utilities/cmcurl/telnet.c +++ b/Utilities/cmcurl/telnet.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms @@ -30,10 +30,12 @@ #include <stdarg.h> #include <stdlib.h> #include <ctype.h> +#ifdef HAVE_SYS_TYPES_H #include <sys/types.h> +#endif +#ifdef HAVE_SYS_STAT_H #include <sys/stat.h> - -#include <errno.h> +#endif #if defined(WIN32) #include <time.h> @@ -43,7 +45,9 @@ #include <sys/socket.h> #endif #include <netinet/in.h> +#ifdef HAVE_SYS_TIME_H #include <sys/time.h> +#endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif @@ -61,10 +65,6 @@ #include <sys/param.h> #endif -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - #endif @@ -73,6 +73,7 @@ #include "transfer.h" #include "sendf.h" #include "telnet.h" +#include "connect.h" #define _MPRINTF_REPLACE /* use our functions only */ #include <curl/mprintf.h> @@ -81,7 +82,8 @@ #define TELCMDS #include "arpa_telnet.h" -#include "curl_memory.h" +#include "memory.h" +#include "select.h" /* The last #include file should be: */ #include "memdebug.h" @@ -100,7 +102,7 @@ #define CURL_SB_EOF(x) (x->subpointer >= x->subend) #define CURL_SB_LEN(x) (x->subend - x->subpointer) -#ifdef WIN32 +#ifdef USE_WINSOCK typedef FARPROC WSOCK2_FUNC; static CURLcode check_wsock2 ( struct SessionHandle *data ); #endif @@ -163,13 +165,13 @@ struct TELNET { struct curl_slist *telnet_vars; /* Environment variables */ /* suboptions */ - char subbuffer[SUBBUFSIZE]; - char *subpointer, *subend; /* buffer for sub-options */ + unsigned char subbuffer[SUBBUFSIZE]; + unsigned char *subpointer, *subend; /* buffer for sub-options */ TelnetReceive telrcv_state; }; -#ifdef WIN32 +#ifdef USE_WINSOCK static CURLcode check_wsock2 ( struct SessionHandle *data ) { @@ -208,6 +210,7 @@ check_wsock2 ( struct SessionHandle *data ) return CURLE_OK; } #endif + static CURLcode init_telnet(struct connectdata *conn) { @@ -217,7 +220,7 @@ CURLcode init_telnet(struct connectdata *conn) if(!tn) return CURLE_OUT_OF_MEMORY; - conn->proto.telnet = (void *)tn; /* make us known */ + conn->data->reqdata.proto.telnet = (void *)tn; /* make us known */ tn->telrcv_state = CURL_TS_DATA; @@ -236,7 +239,7 @@ CURLcode init_telnet(struct connectdata *conn) static void negotiate(struct connectdata *conn) { int i; - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *) conn->data->reqdata.proto.telnet; for(i = 0;i < CURL_NTELOPTS;i++) { @@ -259,9 +262,9 @@ static void printoption(struct SessionHandle *data, if (cmd == CURL_IAC) { if (CURL_TELCMD_OK(option)) - Curl_infof(data, "%s IAC %s\n", direction, CURL_TELCMD(option)); + infof(data, "%s IAC %s\n", direction, CURL_TELCMD(option)); else - Curl_infof(data, "%s IAC %d\n", direction, option); + infof(data, "%s IAC %d\n", direction, option); } else { @@ -277,12 +280,12 @@ static void printoption(struct SessionHandle *data, opt = NULL; if(opt) - Curl_infof(data, "%s %s %s\n", direction, fmt, opt); + infof(data, "%s %s %s\n", direction, fmt, opt); else - Curl_infof(data, "%s %s %d\n", direction, fmt, option); + infof(data, "%s %s %d\n", direction, fmt, option); } else - Curl_infof(data, "%s %d %d\n", direction, cmd, option); + infof(data, "%s %d %d\n", direction, cmd, option); } } } @@ -290,12 +293,19 @@ static void printoption(struct SessionHandle *data, static void send_negotiation(struct connectdata *conn, int cmd, int option) { unsigned char buf[3]; + ssize_t bytes_written; + int err; + struct SessionHandle *data = conn->data; buf[0] = CURL_IAC; - buf[1] = cmd; - buf[2] = option; + buf[1] = (unsigned char)cmd; + buf[2] = (unsigned char)option; - (void)swrite(conn->sock[FIRSTSOCKET], buf, 3); + bytes_written = swrite(conn->sock[FIRSTSOCKET], buf, 3); + if(bytes_written < 0) { + err = Curl_sockerrno(); + failf(data,"Sending data failed (%d)",err); + } printoption(conn->data, "SENT", cmd, option); } @@ -303,7 +313,7 @@ static void send_negotiation(struct connectdata *conn, int cmd, int option) static void set_remote_option(struct connectdata *conn, int option, int newstate) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; if(newstate == CURL_YES) { switch(tn->him[option]) @@ -385,7 +395,7 @@ void set_remote_option(struct connectdata *conn, int option, int newstate) static void rec_will(struct connectdata *conn, int option) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; switch(tn->him[option]) { case CURL_NO: @@ -438,7 +448,7 @@ void rec_will(struct connectdata *conn, int option) static void rec_wont(struct connectdata *conn, int option) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; switch(tn->him[option]) { case CURL_NO: @@ -483,7 +493,7 @@ void rec_wont(struct connectdata *conn, int option) static void set_local_option(struct connectdata *conn, int option, int newstate) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; if(newstate == CURL_YES) { switch(tn->us[option]) @@ -565,7 +575,7 @@ set_local_option(struct connectdata *conn, int option, int newstate) static void rec_do(struct connectdata *conn, int option) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; switch(tn->us[option]) { case CURL_NO: @@ -618,7 +628,7 @@ void rec_do(struct connectdata *conn, int option) static void rec_dont(struct connectdata *conn, int option) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; switch(tn->us[option]) { case CURL_NO: @@ -672,7 +682,7 @@ static void printsub(struct SessionHandle *data, { if (direction) { - Curl_infof(data, "%s IAC SB ", (direction == '<')? "RCVD":"SENT"); + infof(data, "%s IAC SB ", (direction == '<')? "RCVD":"SENT"); if (length >= 3) { int j; @@ -682,27 +692,27 @@ static void printsub(struct SessionHandle *data, if (i != CURL_IAC || j != CURL_SE) { - Curl_infof(data, "(terminated by "); + infof(data, "(terminated by "); if (CURL_TELOPT_OK(i)) - Curl_infof(data, "%s ", CURL_TELOPT(i)); + infof(data, "%s ", CURL_TELOPT(i)); else if (CURL_TELCMD_OK(i)) - Curl_infof(data, "%s ", CURL_TELCMD(i)); + infof(data, "%s ", CURL_TELCMD(i)); else - Curl_infof(data, "%d ", i); + infof(data, "%d ", i); if (CURL_TELOPT_OK(j)) - Curl_infof(data, "%s", CURL_TELOPT(j)); + infof(data, "%s", CURL_TELOPT(j)); else if (CURL_TELCMD_OK(j)) - Curl_infof(data, "%s", CURL_TELCMD(j)); + infof(data, "%s", CURL_TELCMD(j)); else - Curl_infof(data, "%d", j); - Curl_infof(data, ", not IAC SE!) "); + infof(data, "%d", j); + infof(data, ", not IAC SE!) "); } } length -= 2; } if (length < 1) { - Curl_infof(data, "(Empty suboption?)"); + infof(data, "(Empty suboption?)"); return; } @@ -711,28 +721,28 @@ static void printsub(struct SessionHandle *data, case CURL_TELOPT_TTYPE: case CURL_TELOPT_XDISPLOC: case CURL_TELOPT_NEW_ENVIRON: - Curl_infof(data, "%s", CURL_TELOPT(pointer[0])); + infof(data, "%s", CURL_TELOPT(pointer[0])); break; default: - Curl_infof(data, "%s (unsupported)", CURL_TELOPT(pointer[0])); + infof(data, "%s (unsupported)", CURL_TELOPT(pointer[0])); break; } } else - Curl_infof(data, "%d (unknown)", pointer[i]); + infof(data, "%d (unknown)", pointer[i]); switch(pointer[1]) { case CURL_TELQUAL_IS: - Curl_infof(data, " IS"); + infof(data, " IS"); break; case CURL_TELQUAL_SEND: - Curl_infof(data, " SEND"); + infof(data, " SEND"); break; case CURL_TELQUAL_INFO: - Curl_infof(data, " INFO/REPLY"); + infof(data, " INFO/REPLY"); break; case CURL_TELQUAL_NAME: - Curl_infof(data, " NAME"); + infof(data, " NAME"); break; } @@ -740,21 +750,21 @@ static void printsub(struct SessionHandle *data, case CURL_TELOPT_TTYPE: case CURL_TELOPT_XDISPLOC: pointer[length] = 0; - Curl_infof(data, " \"%s\"", &pointer[2]); + infof(data, " \"%s\"", &pointer[2]); break; case CURL_TELOPT_NEW_ENVIRON: if(pointer[1] == CURL_TELQUAL_IS) { - Curl_infof(data, " "); + infof(data, " "); for(i = 3;i < length;i++) { switch(pointer[i]) { case CURL_NEW_ENV_VAR: - Curl_infof(data, ", "); + infof(data, ", "); break; case CURL_NEW_ENV_VALUE: - Curl_infof(data, " = "); + infof(data, " = "); break; default: - Curl_infof(data, "%c", pointer[i]); + infof(data, "%c", pointer[i]); break; } } @@ -762,13 +772,13 @@ static void printsub(struct SessionHandle *data, break; default: for (i = 2; i < length; i++) - Curl_infof(data, " %.2x", pointer[i]); + infof(data, " %.2x", pointer[i]); break; } if (direction) { - Curl_infof(data, "\n"); + infof(data, "\n"); } } } @@ -780,7 +790,7 @@ static CURLcode check_telnet_options(struct connectdata *conn) char option_arg[256]; char *buf; struct SessionHandle *data = conn->data; - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; /* Add the user name as an environment variable if it was given on the command line */ @@ -844,12 +854,14 @@ static void suboption(struct connectdata *conn) { struct curl_slist *v; unsigned char temp[2048]; + ssize_t bytes_written; size_t len; size_t tmplen; + int err; char varname[128]; char varval[128]; struct SessionHandle *data = conn->data; - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)data->reqdata.proto.telnet; printsub(data, '<', (unsigned char *)tn->subbuffer, CURL_SB_LEN(tn)+2); switch (CURL_SB_GET(tn)) { @@ -858,7 +870,11 @@ static void suboption(struct connectdata *conn) snprintf((char *)temp, sizeof(temp), "%c%c%c%c%s%c%c", CURL_IAC, CURL_SB, CURL_TELOPT_TTYPE, CURL_TELQUAL_IS, tn->subopt_ttype, CURL_IAC, CURL_SE); - (void)swrite(conn->sock[FIRSTSOCKET], temp, len); + bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len); + if(bytes_written < 0) { + err = Curl_sockerrno(); + failf(data,"Sending data failed (%d)",err); + } printsub(data, '>', &temp[2], len-2); break; case CURL_TELOPT_XDISPLOC: @@ -866,7 +882,11 @@ static void suboption(struct connectdata *conn) snprintf((char *)temp, sizeof(temp), "%c%c%c%c%s%c%c", CURL_IAC, CURL_SB, CURL_TELOPT_XDISPLOC, CURL_TELQUAL_IS, tn->subopt_xdisploc, CURL_IAC, CURL_SE); - (void)swrite(conn->sock[FIRSTSOCKET], temp, len); + bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len); + if(bytes_written < 0) { + err = Curl_sockerrno(); + failf(data,"Sending data failed (%d)",err); + } printsub(data, '>', &temp[2], len-2); break; case CURL_TELOPT_NEW_ENVIRON: @@ -889,7 +909,11 @@ static void suboption(struct connectdata *conn) snprintf((char *)&temp[len], sizeof(temp) - len, "%c%c", CURL_IAC, CURL_SE); len += 2; - (void)swrite(conn->sock[FIRSTSOCKET], temp, len); + bytes_written = swrite(conn->sock[FIRSTSOCKET], temp, len); + if(bytes_written < 0) { + err = Curl_sockerrno(); + failf(data,"Sending data failed (%d)",err); + } printsub(data, '>', &temp[2], len-2); break; } @@ -904,7 +928,7 @@ void telrcv(struct connectdata *conn, unsigned char c; int in = 0; struct SessionHandle *data = conn->data; - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)data->reqdata.proto.telnet; while(count--) { @@ -919,7 +943,7 @@ void telrcv(struct connectdata *conn, break; /* Ignore \0 after CR */ } - Curl_client_write(data, CLIENTWRITE_BODY, (char *)&c, 1); + Curl_client_write(conn, CLIENTWRITE_BODY, (char *)&c, 1); continue; case CURL_TS_DATA: @@ -933,7 +957,7 @@ void telrcv(struct connectdata *conn, tn->telrcv_state = CURL_TS_CR; } - Curl_client_write(data, CLIENTWRITE_BODY, (char *)&c, 1); + Curl_client_write(conn, CLIENTWRITE_BODY, (char *)&c, 1); continue; case CURL_TS_IAC: @@ -957,7 +981,7 @@ void telrcv(struct connectdata *conn, tn->telrcv_state = CURL_TS_SB; continue; case CURL_IAC: - Curl_client_write(data, CLIENTWRITE_BODY, (char *)&c, 1); + Curl_client_write(conn, CLIENTWRITE_BODY, (char *)&c, 1); break; case CURL_DM: case CURL_NOP: @@ -1014,18 +1038,15 @@ void telrcv(struct connectdata *conn, if (c != CURL_IAC) { /* - * This is an error. We only expect to get - * "IAC IAC" or "IAC SE". Several things may - * have happend. An IAC was not doubled, the - * IAC SE was left off, or another option got - * inserted into the suboption are all possibilities. - * If we assume that the IAC was not doubled, - * and really the IAC SE was left off, we could - * get into an infinate loop here. So, instead, - * we terminate the suboption, and process the - * partial suboption if we can. + * This is an error. We only expect to get "IAC IAC" or "IAC SE". + * Several things may have happend. An IAC was not doubled, the + * IAC SE was left off, or another option got inserted into the + * suboption are all possibilities. If we assume that the IAC was + * not doubled, and really the IAC SE was left off, we could get + * into an infinate loop here. So, instead, we terminate the + * suboption, and process the partial suboption if we can. */ - CURL_SB_ACCUM(tn, (unsigned char)CURL_IAC); + CURL_SB_ACCUM(tn, CURL_IAC); CURL_SB_ACCUM(tn, c); tn->subpointer -= 2; CURL_SB_TERM(tn); @@ -1040,8 +1061,8 @@ void telrcv(struct connectdata *conn, } else { - CURL_SB_ACCUM(tn, (unsigned char)CURL_IAC); - CURL_SB_ACCUM(tn, (unsigned char)CURL_SE); + CURL_SB_ACCUM(tn, CURL_IAC); + CURL_SB_ACCUM(tn, CURL_SE); tn->subpointer -= 2; CURL_SB_TERM(tn); suboption(conn); /* handle sub-option */ @@ -1052,25 +1073,26 @@ void telrcv(struct connectdata *conn, } } -CURLcode Curl_telnet_done(struct connectdata *conn, CURLcode status) +CURLcode Curl_telnet_done(struct connectdata *conn, CURLcode status, bool premature) { - struct TELNET *tn = (struct TELNET *)conn->proto.telnet; + struct TELNET *tn = (struct TELNET *)conn->data->reqdata.proto.telnet; (void)status; /* unused */ + (void)premature; /* not used */ curl_slist_free_all(tn->telnet_vars); - free(conn->proto.telnet); - conn->proto.telnet = NULL; + free(conn->data->reqdata.proto.telnet); + conn->data->reqdata.proto.telnet = NULL; return CURLE_OK; } -CURLcode Curl_telnet(struct connectdata *conn) +CURLcode Curl_telnet(struct connectdata *conn, bool *done) { CURLcode code; struct SessionHandle *data = conn->data; curl_socket_t sockfd = conn->sock[FIRSTSOCKET]; -#ifdef WIN32 +#ifdef USE_WINSOCK HMODULE wsock2; WSOCK2_FUNC close_event_func; WSOCK2_FUNC create_event_func; @@ -1085,25 +1107,27 @@ CURLcode Curl_telnet(struct connectdata *conn) DWORD waitret; DWORD readfile_read; #else - fd_set readfd; - fd_set keepfd; + int interval_ms; + struct pollfd pfd[2]; #endif ssize_t nread; bool keepon = TRUE; char *buf = data->state.buffer; struct TELNET *tn; + *done = TRUE; /* uncontionally */ + code = init_telnet(conn); if(code) return code; - tn = (struct TELNET *)conn->proto.telnet; + tn = (struct TELNET *)data->reqdata.proto.telnet; code = check_telnet_options(conn); if(code) return code; -#ifdef WIN32 +#ifdef USE_WINSOCK /* ** This functionality only works with WinSock >= 2.0. So, ** make sure have it. @@ -1131,7 +1155,7 @@ CURLcode Curl_telnet(struct connectdata *conn) /* And WSACloseEvent */ close_event_func = GetProcAddress(wsock2,"WSACloseEvent"); - if (create_event_func == NULL) { + if (close_event_func == NULL) { failf(data,"failed to find WSACloseEvent function (%d)", GetLastError()); FreeLibrary(wsock2); @@ -1202,11 +1226,11 @@ CURLcode Curl_telnet(struct connectdata *conn) case WAIT_TIMEOUT: { unsigned char outbuf[2]; - int out_count; + int out_count = 0; ssize_t bytes_written; char *buffer = buf; - for(;;) { + while(1) { if(!PeekNamedPipe(stdin_handle, NULL, 0, NULL, &readfile_read, NULL)) { keepon = FALSE; break; @@ -1239,7 +1263,7 @@ CURLcode Curl_telnet(struct connectdata *conn) case WAIT_OBJECT_0 + 1: { unsigned char outbuf[2]; - int out_count; + int out_count = 0; ssize_t bytes_written; char *buffer = buf; @@ -1300,36 +1324,26 @@ CURLcode Curl_telnet(struct connectdata *conn) close_event_func = NULL; event_select_func = NULL; enum_netevents_func = NULL; - (void)create_event_func; - (void)close_event_func; - (void)event_select_func; - (void)enum_netevents_func; /* We called LoadLibrary, so call FreeLibrary */ if (!FreeLibrary(wsock2)) infof(data,"FreeLibrary(wsock2) failed (%d)",GetLastError()); #else - FD_ZERO (&readfd); /* clear it */ - FD_SET (sockfd, &readfd); - FD_SET (0, &readfd); - - keepfd = readfd; + pfd[0].fd = sockfd; + pfd[0].events = POLLIN; + pfd[1].fd = 0; + pfd[1].events = POLLIN; + interval_ms = 1 * 1000; while (keepon) { - struct timeval interval; - - readfd = keepfd; /* set this every lap in the loop */ - interval.tv_sec = 1; - interval.tv_usec = 0; - - switch (select (sockfd + 1, &readfd, NULL, NULL, &interval)) { + switch (Curl_poll(pfd, 2, interval_ms)) { case -1: /* error, stop reading */ keepon = FALSE; continue; case 0: /* timeout */ break; default: /* read! */ - if(FD_ISSET(0, &readfd)) { /* read from stdin */ + if(pfd[1].revents & POLLIN) { /* read from stdin */ unsigned char outbuf[2]; int out_count = 0; ssize_t bytes_written; @@ -1348,7 +1362,7 @@ CURLcode Curl_telnet(struct connectdata *conn) } } - if(FD_ISSET(sockfd, &readfd)) { + if(pfd[0].revents & POLLIN) { /* This OUGHT to check the return code... */ (void)Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread); @@ -1382,7 +1396,7 @@ CURLcode Curl_telnet(struct connectdata *conn) } #endif /* mark this as "no further transfer wanted" */ - Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL); + Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL); return code; } |