rdesktop.c File Reference

#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <pwd.h>
#include <termios.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/times.h>
#include <ctype.h>
#include <errno.h>
#include "rdesktop.h"
#include <openssl/md5.h>

Include dependency graph for rdesktop.c:

Go to the source code of this file.

Macros
#define	NOT_SET   -1
#define	VNCOPT
#define	LTOA_BUFSIZE   (sizeof(long) * 8 + 1)

Functions
static void	usage (char *program)
static void	print_disconnect_reason (uint16 reason)
static void	rdesktop_reset_state (RDPCLIENT *This)
static BOOL	read_password (char *password, int size)
static void	parse_server_and_port (RDPCLIENT *This, char *server)
int	main (int argc, char *argv[])
void	generate_random (uint8 *random)
void *	xmalloc (int size)
char *	xstrdup (const char *s)
void *	xrealloc (void *oldmem, int size)
void	xfree (void *mem)
void	error (char *format,...)
void	warning (char *format,...)
void	unimpl (char *format,...)
void	hexdump (unsigned char *p, unsigned int len)
char *	next_arg (char *src, char needle)
void	toupper_str (char *p)
BOOL	str_startswith (const char *s, const char *prefix)
BOOL	str_handle_lines (RDPCLIENT *This, const char *input, char **rest, str_handle_lines_t linehandler, void *data)
BOOL	subprocess (RDPCLIENT *This, char *const argv[], str_handle_lines_t linehandler, void *data)
char *	l_to_a (long N, int base)
int	load_licence (RDPCLIENT *This, unsigned char **data)
void	save_licence (RDPCLIENT *This, unsigned char *data, int length)
BOOL	rd_pstcache_mkdir (void)
int	rd_open_file (char *filename)
void	rd_close_file (int fd)
int	rd_read_file (int fd, void *ptr, int len)
int	rd_write_file (int fd, void *ptr, int len)
int	rd_lseek_file (int fd, int offset)
BOOL	rd_lock_file (int fd, int start, int len)

Macro Definition Documentation

LTOA_BUFSIZE

#define LTOA_BUFSIZE   (sizeof(long) * 8 + 1)

Definition at line 1353 of file rdesktop.c.

NOT_SET

#define NOT_SET   -1

VNCOPT

#define VNCOPT

Function Documentation

error()

void error	(	char *	format,
			...
	)

Definition at line 1087 of file rdesktop.c.

{
    va_list ap;
 
    fprintf(stderr, "ERROR: ");
 
    va_start(ap, format);
    vfprintf(stderr, format, ap);
    va_end(ap);
}

generate_random()

void generate_random

(

uint8 *

random

)

Definition at line 992 of file rdesktop.c.

{
    struct stat st;
    struct tms tmsbuf;
    MD5_CTX md5;
    uint32 *r;
    int fd, n;
 
    /* If we have a kernel random device, try that first */
    if (((fd = open("/dev/urandom", O_RDONLY)) != -1)
        || ((fd = open("/dev/random", O_RDONLY)) != -1))
    {
        n = read(fd, random, 32);
        close(fd);
        if (n == 32)
            return;
    }
 
#ifdef EGD_SOCKET
    /* As a second preference use an EGD */
    if (generate_random_egd(random))
        return;
#endif
 
    /* Otherwise use whatever entropy we can gather - ideas welcome. */
    r = (uint32 *) random;
    r[0] = (getpid()) | (getppid() << 16);
    r[1] = (getuid()) | (getgid() << 16);
    r[2] = times(&tmsbuf);  /* system uptime (clocks) */
    gettimeofday((struct timeval *) &r[3], NULL);   /* sec and usec */
    stat("/tmp", &st);
    r[5] = st.st_atime;
    r[6] = st.st_mtime;
    r[7] = st.st_ctime;
 
    /* Hash both halves with MD5 to obscure possible patterns */
    MD5_Init(&md5);
    MD5_Update(&md5, random, 16);
    MD5_Final(random, &md5);
    MD5_Update(&md5, random + 16, 16);
    MD5_Final(random + 16, &md5);
}

hexdump()

void hexdump	(	unsigned char *	p,
		unsigned int	len
	)

Definition at line 1126 of file rdesktop.c.

{
    unsigned char *line = p;
    int i, thisline, offset = 0;
 
    while (offset < len)
    {
        printf("%04x ", offset);
        thisline = len - offset;
        if (thisline > 16)
            thisline = 16;
 
        for (i = 0; i < thisline; i++)
            printf("%02x ", line[i]);
 
        for (; i < 16; i++)
            printf("   ");
 
        for (i = 0; i < thisline; i++)
            printf("%c", (line[i] >= 0x20 && line[i] < 0x7f) ? line[i] : '.');
 
        printf("\n");
        offset += thisline;
        line += thisline;
    }
}

Referenced by lspci_process(), lspci_send(), rdp5_process(), rdp_recv(), rdpdr_process(), rdpsnd_process(), rdpsnd_send(), seamless_process(), seamless_send(), sec_recv(), sec_send_to_channel(), serial_device_control(), and serial_read().

l_to_a()

char * l_to_a	(	long	N,
		int	base
	)

Definition at line 1356 of file rdesktop.c.

{
    static char ret[LTOA_BUFSIZE];
 
    char *head = ret, buf[LTOA_BUFSIZE], *tail = buf + sizeof(buf);
 
    register int divrem;
 
    if (base < 36 || 2 > base)
        base = 10;
 
    if (N < 0)
    {
        *head++ = '-';
        N = -N;
    }
 
    tail = buf + sizeof(buf);
    *--tail = 0;
 
    do
    {
        divrem = N % base;
        *--tail = (divrem <= 9) ? divrem + '0' : divrem + 'a' - 10;
        N /= base;
    }
    while (N);
 
    strcpy(head, tail);
    return ret;
}

Referenced by printer_enum_devices().

load_licence()

int load_licence	(	RDPCLIENT *	This,
		unsigned char **	data
	)

Definition at line 1390 of file rdesktop.c.

{
    char *home, *path;
    struct stat st;
    int fd, length;
 
    home = getenv("HOME");
    if (home == NULL)
        return -1;
 
    path = (char *) xmalloc(strlen(home) + strlen(This->hostname) + sizeof("/.rdesktop/licence."));
    sprintf(path, "%s/.rdesktop/licence.%s", home, This->hostname);
 
    fd = open(path, O_RDONLY);
    if (fd == -1)
        return -1;
 
    if (fstat(fd, &st))
    {
        close(fd);
        return -1;
    }
 
    *data = (uint8 *) xmalloc(st.st_size);
    length = read(fd, *data, st.st_size);
    close(fd);
    xfree(path);
    return length;
}

main()

int main	(	int argc	,
		char *	argv[]
	)

Definition at line 318 of file rdesktop.c.

{
    char server[64];
    char fullhostname[64];
    char domain[16];
    char password[64];
    char shell[256];
    char directory[256];
    BOOL prompt_password, deactivated;
    struct passwd *pw;
    uint32 flags, ext_disc_reason = 0;
    char *p;
    int c;
    char *locale = NULL;
    int username_option = 0;
    BOOL geometry_option = False;
    int run_count = 0;  /* Session Directory support */
    BOOL continue_connect = True;   /* Session Directory support */
    RDPCLIENT * This;
 
    This = xmalloc(sizeof(RDPCLIENT));
    memset(This, 0, sizeof(RDPCLIENT));
 
    This->keylayout = 0x409;    /* Defaults to US keyboard layout */
    This->keyboard_type = 0x4;  /* Defaults to US keyboard layout */
    This->keyboard_subtype = 0x0;   /* Defaults to US keyboard layout */
    This->keyboard_functionkeys = 0xc;  /* Defaults to US keyboard layout */
    This->width = 800;      /* width is special: If 0, the
                       geometry will be fetched from
                       _NET_WORKAREA. If negative,
                       absolute value specifies the
                       percent of the whole screen. */
    This->height = 600;
    This->server_depth = -1;
    This->bitmap_compression = True;
    This->sendmotion = True;
    This->bitmap_cache = True;
    This->bitmap_cache_persist_enable = False;
    This->bitmap_cache_precache = True;
    This->encryption = True;
    This->packet_encryption = True;
    This->desktop_save = True;  /* desktop save order */
    This->polygon_ellipse_orders = True;    /* polygon / ellipse orders */
    This->fullscreen = False;
    This->grab_keyboard = True;
    This->hide_decorations = False;
    This->use_rdp5 = True;
    This->rdpclip = True;
    This->console_session = False;
    This->numlock_sync = False;
    This->lspci_enabled = False;
    This->owncolmap = False;
    This->ownbackstore = True;  /* We can't rely on external BackingStore */
    This->seamless_rdp = False;
    This->rdp5_performanceflags = RDP5_NO_WALLPAPER | RDP5_NO_FULLWINDOWDRAG | RDP5_NO_MENUANIMATIONS;
    This->tcp_port_rdp = TCP_PORT_RDP;
 
#define NOT_SET -1
    This->cache.bmpcache_lru[0] = NOT_SET;
    This->cache.bmpcache_lru[1] = NOT_SET;
    This->cache.bmpcache_lru[2] = NOT_SET;
    This->cache.bmpcache_mru[0] = NOT_SET;
    This->cache.bmpcache_mru[1] = NOT_SET;
    This->cache.bmpcache_mru[2] = NOT_SET;
 
#ifdef HAVE_ICONV
    This->rdp.iconv_works = True;
#endif
 
    This->xclip.auto_mode = True;
 
#ifdef HAVE_LOCALE_H
    /* Set locale according to environment */
    locale = setlocale(LC_ALL, "");
    if (locale)
    {
        locale = xstrdup(locale);
    }
 
#endif
    flags = RDP_LOGON_NORMAL;
    prompt_password = False;
    domain[0] = password[0] = shell[0] = directory[0] = 0;
    This->embed_wnd = 0;
 
    This->num_devices = 0;
 
#ifdef RDP2VNC
#define VNCOPT "V:Q:"
#else
#define VNCOPT
#endif
 
    while ((c = getopt(argc, argv,
               VNCOPT "Au:L:d:s:c:p:n:k:g:fbBeEmzCDKS:T:NX:a:x:Pr:045h?")) != -1)
    {
        switch (c)
        {
#ifdef RDP2VNC
            case 'V':
                This->rfb_port = strtol(optarg, NULL, 10);
                if (This->rfb_port < 100)
                    This->rfb_port += 5900;
                break;
 
            case 'Q':
                This->defer_time = strtol(optarg, NULL, 10);
                if (This->defer_time < 0)
                    This->defer_time = 0;
                break;
#endif
 
            case 'A':
                This->seamless_rdp = True;
                break;
 
            case 'u':
                STRNCPY(This->username, optarg, sizeof(This->username));
                username_option = 1;
                break;
 
            case 'L':
#ifdef HAVE_ICONV
                STRNCPY(This->codepage, optarg, sizeof(This->codepage));
#else
                error("iconv support not available\n");
#endif
                break;
 
            case 'd':
                STRNCPY(domain, optarg, sizeof(domain));
                break;
 
            case 's':
                STRNCPY(shell, optarg, sizeof(shell));
                break;
 
            case 'c':
                STRNCPY(directory, optarg, sizeof(directory));
                break;
 
            case 'p':
                if ((optarg[0] == '-') && (optarg[1] == 0))
                {
                    prompt_password = True;
                    break;
                }
 
                STRNCPY(password, optarg, sizeof(password));
                flags |= RDP_LOGON_AUTO;
 
                /* try to overwrite argument so it won't appear in ps */
                p = optarg;
                while (*p)
                    *(p++) = 'X';
                break;
 
            case 'n':
                STRNCPY(This->hostname, optarg, sizeof(This->hostname));
                break;
 
            case 'k':
                STRNCPY(This->keymapname, optarg, sizeof(This->keymapname));
                break;
 
            case 'g':
                geometry_option = True;
                This->fullscreen = False;
                if (!strcmp(optarg, "workarea"))
                {
                    This->width = This->height = 0;
                    break;
                }
 
                This->width = strtol(optarg, &p, 10);
                if (This->width <= 0)
                {
                    error("invalid geometry\n");
                    return 1;
                }
 
                if (*p == 'x')
                    This->height = strtol(p + 1, &p, 10);
 
                if (This->height <= 0)
                {
                    error("invalid geometry\n");
                    return 1;
                }
 
                if (*p == '%')
                {
                    This->width = -This->width;
                    p++;
                }
 
                if (*p == '+' || *p == '-')
                {
                    This->pos |= (*p == '-') ? 2 : 1;
                    This->xpos = strtol(p, &p, 10);
 
                }
                if (*p == '+' || *p == '-')
                {
                    This->pos |= (*p == '-') ? 4 : 1;
                    This->ypos = strtol(p, NULL, 10);
                }
 
                break;
 
            case 'f':
                This->fullscreen = True;
                break;
 
            case 'b':
                This->bitmap_cache = False;
                break;
 
            case 'B':
                This->ownbackstore = False;
                break;
 
            case 'e':
                This->encryption = False;
                break;
            case 'E':
                This->packet_encryption = False;
                break;
            case 'm':
                This->sendmotion = False;
                break;
 
            case 'C':
                This->owncolmap = True;
                break;
 
            case 'D':
                This->hide_decorations = True;
                break;
 
            case 'K':
                This->grab_keyboard = False;
                break;
 
            case 'S':
                if (!strcmp(optarg, "standard"))
                {
                    This->win_button_size = 18;
                    break;
                }
 
                This->win_button_size = strtol(optarg, &p, 10);
 
                if (*p)
                {
                    error("invalid button size\n");
                    return 1;
                }
 
                break;
 
            case 'T':
                STRNCPY(This->title, optarg, sizeof(This->title));
                break;
 
            case 'N':
                This->numlock_sync = True;
                break;
 
            case 'X':
                This->embed_wnd = strtol(optarg, NULL, 0);
                break;
 
            case 'a':
                This->server_depth = strtol(optarg, NULL, 10);
                if (This->server_depth != 8 &&
                    This->server_depth != 16 &&
                    This->server_depth != 15 && This->server_depth != 24)
                {
                    error("Invalid server colour depth.\n");
                    return 1;
                }
                break;
 
            case 'z':
                DEBUG(("rdp compression enabled\n"));
                flags |= (RDP_LOGON_COMPRESSION | RDP_LOGON_COMPRESSION2);
                break;
 
            case 'x':
                if (str_startswith(optarg, "m"))    /* modem */
                {
                    This->rdp5_performanceflags =
                        RDP5_NO_WALLPAPER | RDP5_NO_FULLWINDOWDRAG |
                        RDP5_NO_MENUANIMATIONS | RDP5_NO_THEMING;
                }
                else if (str_startswith(optarg, "b"))   /* broadband */
                {
                    This->rdp5_performanceflags = RDP5_NO_WALLPAPER;
                }
                else if (str_startswith(optarg, "l"))   /* lan */
                {
                    This->rdp5_performanceflags = RDP5_DISABLE_NOTHING;
                }
                else
                {
                    This->rdp5_performanceflags = strtol(optarg, NULL, 16);
                }
                break;
 
            case 'P':
                This->bitmap_cache_persist_enable = True;
                break;
 
            case 'r':
 
                if (str_startswith(optarg, "sound"))
                {
                    optarg += 5;
 
                    if (*optarg == ':')
                    {
                        optarg++;
                        while ((p = next_arg(optarg, ',')))
                        {
                            if (str_startswith(optarg, "remote"))
                                flags |= RDP_LOGON_LEAVE_AUDIO;
 
                            if (str_startswith(optarg, "local"))
#ifdef WITH_RDPSND
                                This->rdpsnd_enabled = True;
#else
                                warning("Not compiled with sound support\n");
#endif
 
                            if (str_startswith(optarg, "off"))
#ifdef WITH_RDPSND
                                This->rdpsnd_enabled = False;
#else
                                warning("Not compiled with sound support\n");
#endif
 
                            optarg = p;
                        }
                    }
                    else
                    {
#ifdef WITH_RDPSND
                        This->rdpsnd_enabled = True;
#else
                        warning("Not compiled with sound support\n");
#endif
                    }
                }
                else if (str_startswith(optarg, "disk"))
                {
                    /* -r disk:h:=/mnt/floppy */
                    disk_enum_devices(This, &This->num_devices, optarg + 4);
                }
                else if (str_startswith(optarg, "comport"))
                {
                    serial_enum_devices(This, &This->num_devices, optarg + 7);
                }
                else if (str_startswith(optarg, "lspci"))
                {
                    This->lspci_enabled = True;
                }
                else if (str_startswith(optarg, "lptport"))
                {
                    parallel_enum_devices(This, &This->num_devices, optarg + 7);
                }
                else if (str_startswith(optarg, "printer"))
                {
                    printer_enum_devices(This, &This->num_devices, optarg + 7);
                }
                else if (str_startswith(optarg, "clientname"))
                {
                    This->rdpdr_clientname = xmalloc(strlen(optarg + 11) + 1);
                    strcpy(This->rdpdr_clientname, optarg + 11);
                }
                else if (str_startswith(optarg, "clipboard"))
                {
                    optarg += 9;
 
                    if (*optarg == ':')
                    {
                        optarg++;
 
                        if (str_startswith(optarg, "off"))
                            This->rdpclip = False;
                        else
                            cliprdr_set_mode(This, optarg);
                    }
                    else
                        This->rdpclip = True;
                }
                else
                {
                    warning("Unknown -r argument\n\n\tPossible arguments are: comport, disk, lptport, printer, sound, clipboard\n");
                }
                break;
 
            case '0':
                This->console_session = True;
                break;
 
            case '4':
                This->use_rdp5 = False;
                break;
 
            case '5':
                This->use_rdp5 = True;
                break;
 
            case 'h':
            case '?':
            default:
                usage(argv[0]);
                return 1;
        }
    }
 
    if (argc - optind != 1)
    {
        usage(argv[0]);
        return 1;
    }
 
    STRNCPY(server, argv[optind], sizeof(server));
    parse_server_and_port(This, server);
 
    if (This->seamless_rdp)
    {
        if (This->win_button_size)
        {
            error("You cannot use -S and -A at the same time\n");
            return 1;
        }
        This->rdp5_performanceflags &= ~RDP5_NO_FULLWINDOWDRAG;
        if (geometry_option)
        {
            error("You cannot use -g and -A at the same time\n");
            return 1;
        }
        if (This->fullscreen)
        {
            error("You cannot use -f and -A at the same time\n");
            return 1;
        }
        if (This->hide_decorations)
        {
            error("You cannot use -D and -A at the same time\n");
            return 1;
        }
        if (This->embed_wnd)
        {
            error("You cannot use -X and -A at the same time\n");
            return 1;
        }
        if (!This->use_rdp5)
        {
            error("You cannot use -4 and -A at the same time\n");
            return 1;
        }
        This->width = -100;
        This->grab_keyboard = False;
    }
 
    if (!username_option)
    {
        pw = getpwuid(getuid());
        if ((pw == NULL) || (pw->pw_name == NULL))
        {
            error("could not determine username, use -u\n");
            return 1;
        }
 
        STRNCPY(This->username, pw->pw_name, sizeof(This->username));
    }
 
#ifdef HAVE_ICONV
    if (This->codepage[0] == 0)
    {
        if (setlocale(LC_CTYPE, ""))
        {
            STRNCPY(This->codepage, nl_langinfo(CODESET), sizeof(This->codepage));
        }
        else
        {
            STRNCPY(This->codepage, DEFAULT_CODEPAGE, sizeof(This->codepage));
        }
    }
#endif
 
    if (This->hostname[0] == 0)
    {
        if (gethostname(fullhostname, sizeof(fullhostname)) == -1)
        {
            error("could not determine local hostname, use -n\n");
            return 1;
        }
 
        p = strchr(fullhostname, '.');
        if (p != NULL)
            *p = 0;
 
        STRNCPY(This->hostname, fullhostname, sizeof(This->hostname));
    }
 
    if (This->keymapname[0] == 0)
    {
        if (locale && xkeymap_from_locale(This, locale))
        {
            fprintf(stderr, "Autoselected keyboard map %s\n", This->keymapname);
        }
        else
        {
            STRNCPY(This->keymapname, "en-us", sizeof(This->keymapname));
        }
    }
    if (locale)
        xfree(locale);
 
 
    if (prompt_password && read_password(password, sizeof(password)))
        flags |= RDP_LOGON_AUTO;
 
    if (This->title[0] == 0)
    {
        strcpy(This->title, "rdesktop - ");
        strncat(This->title, server, sizeof(This->title) - sizeof("rdesktop - "));
    }
 
#ifdef RDP2VNC
    rdp2vnc_connect(server, flags, domain, password, shell, directory);
    return 0;
#else
 
    if (!ui_init(This))
        return 1;
 
#ifdef WITH_RDPSND
    if (This->rdpsnd_enabled)
        rdpsnd_init(This);
#endif
 
    if (This->lspci_enabled)
        lspci_init(This);
 
    rdpdr_init(This);
 
    while (run_count < 2 && continue_connect)   /* add support for Session Directory; only reconnect once */
    {
        if (run_count == 0)
        {
            if (!rdp_connect(This, server, flags, domain, password, shell, directory))
                return 1;
        }
        else if (!rdp_reconnect
             (This, server, flags, domain, password, shell, directory, This->redirect_cookie))
            return 1;
 
        /* By setting encryption to False here, we have an encrypted login
           packet but unencrypted transfer of other packets */
        if (!This->packet_encryption)
            This->encryption = False;
 
 
        DEBUG(("Connection successful.\n"));
        memset(password, 0, sizeof(password));
 
        if (run_count == 0)
            if (!ui_create_window(This))
                continue_connect = False;
 
        if (continue_connect)
            rdp_main_loop(This, &deactivated, &ext_disc_reason);
 
        DEBUG(("Disconnecting...\n"));
        rdp_disconnect(This);
 
        if ((This->redirect == True) && (run_count == 0))   /* Support for Session Directory */
        {
            /* reset state of major globals */
            rdesktop_reset_state(This);
 
            STRNCPY(domain, This->redirect_domain, sizeof(domain));
            STRNCPY(This->username, This->redirect_username, sizeof(This->username));
            STRNCPY(password, This->redirect_password, sizeof(password));
            STRNCPY(server, This->redirect_server, sizeof(server));
            flags |= RDP_LOGON_AUTO;
 
            This->redirect = False;
        }
        else
        {
            continue_connect = False;
            ui_destroy_window(This);
            break;
        }
 
        run_count++;
    }
 
    cache_save_state(This);
    ui_deinit(This);
 
    if (ext_disc_reason >= 2)
        print_disconnect_reason(ext_disc_reason);
 
    if (deactivated)
    {
        /* clean disconnect */
        return 0;
    }
    else
    {
        if (ext_disc_reason == exDiscReasonAPIInitiatedDisconnect
            || ext_disc_reason == exDiscReasonAPIInitiatedLogoff)
        {
            /* not so clean disconnect, but nothing to worry about */
            return 0;
        }
        else
        {
            /* return error */
            return 2;
        }
    }
 
#endif
 
}

next_arg()

char * next_arg	(	char *	src,
		char	needle
	)

Definition at line 1174 of file rdesktop.c.

{
    char *nextval;
    char *p;
    char *mvp = 0;
 
    /* EOS */
    if (*src == (char) 0x00)
        return 0;
 
    p = src;
    /*  skip escaped needles */
    while ((nextval = strchr(p, needle)))
    {
        mvp = nextval - 1;
        /* found backslashed needle */
        if (*mvp == '\\' && (mvp > src))
        {
            /* move string one to the left */
            while (*(mvp + 1) != (char) 0x00)
            {
                *mvp = *(mvp + 1);
                mvp++;
            }
            *mvp = (char) 0x00;
            p = nextval;
        }
        else
        {
            p = nextval + 1;
            break;
        }
 
    }
 
    /* more args available */
    if (nextval)
    {
        *nextval = (char) 0x00;
        return ++nextval;
    }
 
    /* no more args after this, jump to EOS */
    nextval = src + strlen(src);
    return nextval;
}

Referenced by disk_enum_devices(), main(), parallel_enum_devices(), printer_enum_devices(), serial_enum_devices(), service_mainA(), and service_mainW().

parse_server_and_port()

static void parse_server_and_port ( RDPCLIENT *  This, char *  server  )

static

Definition at line 269 of file rdesktop.c.

{
    char *p;
#ifdef IPv6
    int addr_colons;
#endif
 
#ifdef IPv6
    p = server;
    addr_colons = 0;
    while (*p)
        if (*p++ == ':')
            addr_colons++;
    if (addr_colons >= 2)
    {
        /* numeric IPv6 style address format - [1:2:3::4]:port */
        p = strchr(server, ']');
        if (*server == '[' && p != NULL)
        {
            if (*(p + 1) == ':' && *(p + 2) != '\0')
                This->tcp_port_rdp = strtol(p + 2, NULL, 10);
            /* remove the port number and brackets from the address */
            *p = '\0';
            strncpy(server, server + 1, strlen(server));
        }
    }
    else
    {
        /* dns name or IPv4 style address format - server.example.com:port or 1.2.3.4:port */
        p = strchr(server, ':');
        if (p != NULL)
        {
            This->tcp_port_rdp = strtol(p + 1, NULL, 10);
            *p = 0;
        }
    }
#else /* no IPv6 support */
    p = strchr(server, ':');
    if (p != NULL)
    {
        This->tcp_port_rdp = strtol(p + 1, NULL, 10);
        *p = 0;
    }
#endif /* IPv6 */
 
}

Referenced by main().

print_disconnect_reason()

static void print_disconnect_reason ( uint16  reason )

static

Definition at line 127 of file rdesktop.c.

{
    char *text;
 
    switch (reason)
    {
        case exDiscReasonNoInfo:
            text = "No information available";
            break;
 
        case exDiscReasonAPIInitiatedDisconnect:
            text = "Server initiated disconnect";
            break;
 
        case exDiscReasonAPIInitiatedLogoff:
            text = "Server initiated logoff";
            break;
 
        case exDiscReasonServerIdleTimeout:
            text = "Server idle timeout reached";
            break;
 
        case exDiscReasonServerLogonTimeout:
            text = "Server logon timeout reached";
            break;
 
        case exDiscReasonReplacedByOtherConnection:
            text = "The session was replaced";
            break;
 
        case exDiscReasonOutOfMemory:
            text = "The server is out of memory";
            break;
 
        case exDiscReasonServerDeniedConnection:
            text = "The server denied the connection";
            break;
 
        case exDiscReasonServerDeniedConnectionFips:
            text = "The server denied the connection for security reason";
            break;
 
        case exDiscReasonLicenseInternal:
            text = "Internal licensing error";
            break;
 
        case exDiscReasonLicenseNoLicenseServer:
            text = "No license server available";
            break;
 
        case exDiscReasonLicenseNoLicense:
            text = "No valid license available";
            break;
 
        case exDiscReasonLicenseErrClientMsg:
            text = "Invalid licensing message";
            break;
 
        case exDiscReasonLicenseHwidDoesntMatchLicense:
            text = "Hardware id doesn't match software license";
            break;
 
        case exDiscReasonLicenseErrClientLicense:
            text = "Client license error";
            break;
 
        case exDiscReasonLicenseCantFinishProtocol:
            text = "Network error during licensing protocol";
            break;
 
        case exDiscReasonLicenseClientEndedProtocol:
            text = "Licensing protocol was not completed";
            break;
 
        case exDiscReasonLicenseErrClientEncryption:
            text = "Incorrect client license enryption";
            break;
 
        case exDiscReasonLicenseCantUpgradeLicense:
            text = "Can't upgrade license";
            break;
 
        case exDiscReasonLicenseNoRemoteConnections:
            text = "The server is not licensed to accept remote connections";
            break;
 
        default:
            if (reason > 0x1000 && reason < 0x7fff)
            {
                text = "Internal protocol error";
            }
            else
            {
                text = "Unknown reason";
            }
    }
    fprintf(stderr, "disconnect: %s.\n", text);
}

Referenced by main().

rd_close_file()

void rd_close_file

(

int

fd

)

Definition at line 1520 of file rdesktop.c.

{
    close(fd);
}

rd_lock_file()

BOOL rd_lock_file	(	int	fd,
		int	start,
		int	len
	)

Definition at line 1548 of file rdesktop.c.

{
    struct flock lock;
 
    lock.l_type = F_WRLCK;
    lock.l_whence = SEEK_SET;
    lock.l_start = start;
    lock.l_len = len;
    if (fcntl(fd, F_SETLK, &lock) == -1)
        return False;
    return True;
}

rd_lseek_file()

int rd_lseek_file	(	int	fd,
		int	offset
	)

Definition at line 1541 of file rdesktop.c.

{
    return lseek(fd, offset, SEEK_SET);
}

rd_open_file()

int rd_open_file

(

char *

filename

)

Definition at line 1502 of file rdesktop.c.

{
    char *home;
    char fn[256];
    int fd;
 
    home = getenv("HOME");
    if (home == NULL)
        return -1;
    sprintf(fn, "%s/.rdesktop/%s", home, filename);
    fd = open(fn, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR);
    if (fd == -1)
        perror(fn);
    return fd;
}

rd_pstcache_mkdir()

BOOL rd_pstcache_mkdir

(

void

)

Definition at line 1471 of file rdesktop.c.

{
    char *home;
    char bmpcache_dir[256];
 
    home = getenv("HOME");
 
    if (home == NULL)
        return False;
 
    sprintf(bmpcache_dir, "%s/%s", home, ".rdesktop");
 
    if ((mkdir(bmpcache_dir, S_IRWXU) == -1) && errno != EEXIST)
    {
        perror(bmpcache_dir);
        return False;
    }
 
    sprintf(bmpcache_dir, "%s/%s", home, ".rdesktop/cache");
 
    if ((mkdir(bmpcache_dir, S_IRWXU) == -1) && errno != EEXIST)
    {
        perror(bmpcache_dir);
        return False;
    }
 
    return True;
}

rd_read_file()

int rd_read_file	(	int	fd,
		void *	ptr,
		int	len
	)

Definition at line 1527 of file rdesktop.c.

{
    return read(fd, ptr, len);
}

rd_write_file()

int rd_write_file	(	int	fd,
		void *	ptr,
		int	len
	)

Definition at line 1534 of file rdesktop.c.

{
    return write(fd, ptr, len);
}

rdesktop_reset_state()

static void rdesktop_reset_state ( RDPCLIENT *  This )

static

Definition at line 227 of file rdesktop.c.

{
    rdp_reset_state(This);
}

Referenced by main().

read_password()

static BOOL read_password ( char *  password, int  size  )

static

Definition at line 233 of file rdesktop.c.

{
    struct termios tios;
    BOOL ret = False;
    int istty = 0;
    char *p;
 
    if (tcgetattr(STDIN_FILENO, &tios) == 0)
    {
        fprintf(stderr, "Password: ");
        tios.c_lflag &= ~ECHO;
        tcsetattr(STDIN_FILENO, TCSANOW, &tios);
        istty = 1;
    }
 
    if (fgets(password, size, stdin) != NULL)
    {
        ret = True;
 
        /* strip final newline */
        p = strchr(password, '\n');
        if (p != NULL)
            *p = 0;
    }
 
    if (istty)
    {
        tios.c_lflag |= ECHO;
        tcsetattr(STDIN_FILENO, TCSANOW, &tios);
        fprintf(stderr, "\n");
    }
 
    return ret;
}

Referenced by main().

save_licence()

void save_licence	(	RDPCLIENT *	This,
		unsigned char *	data,
		int	length
	)

Definition at line 1421 of file rdesktop.c.

{
    char *home, *path, *tmppath;
    int fd;
 
    home = getenv("HOME");
    if (home == NULL)
        return;
 
    path = (char *) xmalloc(strlen(home) + strlen(This->hostname) + sizeof("/.rdesktop/licence."));
 
    sprintf(path, "%s/.rdesktop", home);
    if ((mkdir(path, 0700) == -1) && errno != EEXIST)
    {
        perror(path);
        return;
    }
 
    /* write licence to licence.hostname.new, then atomically rename to licence.hostname */
 
    sprintf(path, "%s/.rdesktop/licence.%s", home, This->hostname);
    tmppath = (char *) xmalloc(strlen(path) + sizeof(".new"));
    strcpy(tmppath, path);
    strcat(tmppath, ".new");
 
    fd = open(tmppath, O_WRONLY | O_CREAT | O_TRUNC, 0600);
    if (fd == -1)
    {
        perror(tmppath);
        return;
    }
 
    if (write(fd, data, length) != length)
    {
        perror(tmppath);
        unlink(tmppath);
    }
    else if (rename(tmppath, path) == -1)
    {
        perror(path);
        unlink(tmppath);
    }
 
    close(fd);
    xfree(tmppath);
    xfree(path);
}

str_handle_lines()

BOOL str_handle_lines	(	RDPCLIENT *	This,
		const char *	input,
		char **	rest,
		str_handle_lines_t	linehandler,
		void *	data
	)

Definition at line 1246 of file rdesktop.c.

{
    char *buf, *p;
    char *oldrest;
    size_t inputlen;
    size_t buflen;
    size_t restlen = 0;
    BOOL ret = True;
 
    /* Copy data to buffer */
    inputlen = strlen(input);
    if (*rest)
        restlen = strlen(*rest);
    buflen = restlen + inputlen + 1;
    buf = (char *) xmalloc(buflen);
    buf[0] = '\0';
    if (*rest)
        STRNCPY(buf, *rest, buflen);
    strncat(buf, input, inputlen);
    p = buf;
 
    while (1)
    {
        char *newline = strchr(p, '\n');
        if (newline)
        {
            *newline = '\0';
            if (!linehandler(This, p, data))
            {
                p = newline + 1;
                ret = False;
                break;
            }
            p = newline + 1;
        }
        else
        {
            break;
 
        }
    }
 
    /* Save in rest */
    oldrest = *rest;
    restlen = buf + buflen - p;
    *rest = (char *) xmalloc(restlen);
    STRNCPY((*rest), p, restlen);
    xfree(oldrest);
 
    xfree(buf);
    return ret;
}

Referenced by subprocess().

str_startswith()

BOOL str_startswith	(	const char *	s,
		const char *	prefix
	)

Definition at line 1235 of file rdesktop.c.

{
    return (strncmp(s, prefix, strlen(prefix)) == 0);
}

Referenced by FsVolumeInfo(), handle_child_line(), main(), ui_clip_set_mode(), and xkeymap_read().

subprocess()

BOOL subprocess	(	RDPCLIENT *	This,
		char *const	argv[],
		str_handle_lines_t	linehandler,
		void *	data
	)

Definition at line 1302 of file rdesktop.c.

{
    pid_t child;
    int fd[2];
    int n = 1;
    char output[256];
    char *rest = NULL;
 
    if (pipe(fd) < 0)
    {
        perror("pipe");
        return False;
    }
 
    if ((child = fork()) < 0)
    {
        perror("fork");
        return False;
    }
 
    /* Child */
    if (child == 0)
    {
        /* Close read end */
        close(fd[0]);
 
        /* Redirect stdout and stderr to pipe */
        dup2(fd[1], 1);
        dup2(fd[1], 2);
 
        /* Execute */
        execvp(argv[0], argv);
        perror("Error executing child");
        _exit(128);
    }
 
    /* Parent. Close write end. */
    close(fd[1]);
    while (n > 0)
    {
        n = read(fd[0], output, 255);
        output[n] = '\0';
        str_handle_lines(This, output, &rest, linehandler, data);
    }
    xfree(rest);
 
    return True;
}

toupper_str()

void toupper_str

(

char *

p

)

Definition at line 1223 of file rdesktop.c.

{
    while (*p)
    {
        if ((*p >= 'a') && (*p <= 'z'))
            *p = toupper((int) *p);
        p++;
    }
}

Referenced by parallel_enum_devices(), and serial_enum_devices().

unimpl()

void unimpl	(	char *	format,
			...
	)

Definition at line 1113 of file rdesktop.c.

{
    va_list ap;
 
    fprintf(stderr, "NOT IMPLEMENTED: ");
 
    va_start(ap, format);
    vfprintf(stderr, format, ap);
    va_end(ap);
}

usage()

static void usage ( char *  program )

static

Definition at line 57 of file rdesktop.c.

{
    fprintf(stderr, "rdesktop: A Remote Desktop Protocol client.\n");
    fprintf(stderr, "Version " VERSION ". Copyright (C) 1999-2005 Matt Chapman.\n");
    fprintf(stderr, "See http://www.rdesktop.org/ for more information.\n\n");
 
    fprintf(stderr, "Usage: %s [options] server[:port]\n", program);
#ifdef RDP2VNC
    fprintf(stderr, "   -V: vnc port\n");
    fprintf(stderr, "   -Q: defer time (ms)\n");
#endif
    fprintf(stderr, "   -u: user name\n");
    fprintf(stderr, "   -d: domain\n");
    fprintf(stderr, "   -s: shell\n");
    fprintf(stderr, "   -c: working directory\n");
    fprintf(stderr, "   -p: password (- to prompt)\n");
    fprintf(stderr, "   -n: client hostname\n");
    fprintf(stderr, "   -k: keyboard layout on server (en-us, de, sv, etc.)\n");
    fprintf(stderr, "   -g: desktop geometry (WxH)\n");
    fprintf(stderr, "   -f: full-screen mode\n");
    fprintf(stderr, "   -b: force bitmap updates\n");
#ifdef HAVE_ICONV
    fprintf(stderr, "   -L: local codepage\n");
#endif
    fprintf(stderr, "   -A: enable SeamlessRDP mode\n");
    fprintf(stderr, "   -B: use BackingStore of X-server (if available)\n");
    fprintf(stderr, "   -e: disable encryption (French TS)\n");
    fprintf(stderr, "   -E: disable encryption from client to server\n");
    fprintf(stderr, "   -m: do not send motion events\n");
    fprintf(stderr, "   -C: use private colour map\n");
    fprintf(stderr, "   -D: hide window manager decorations\n");
    fprintf(stderr, "   -K: keep window manager key bindings\n");
    fprintf(stderr, "   -S: caption button size (single application mode)\n");
    fprintf(stderr, "   -T: window title\n");
    fprintf(stderr, "   -N: enable numlock syncronization\n");
    fprintf(stderr, "   -X: embed into another window with a given id.\n");
    fprintf(stderr, "   -a: connection colour depth\n");
    fprintf(stderr, "   -z: enable rdp compression\n");
    fprintf(stderr, "   -x: RDP5 experience (m[odem 28.8], b[roadband], l[an] or hex nr.)\n");
    fprintf(stderr, "   -P: use persistent bitmap caching\n");
    fprintf(stderr, "   -r: enable specified device redirection (this flag can be repeated)\n");
    fprintf(stderr,
        "         '-r comport:COM1=/dev/ttyS0': enable serial redirection of /dev/ttyS0 to COM1\n");
    fprintf(stderr, "             or      COM1=/dev/ttyS0,COM2=/dev/ttyS1\n");
    fprintf(stderr,
        "         '-r disk:floppy=/mnt/floppy': enable redirection of /mnt/floppy to 'floppy' share\n");
    fprintf(stderr, "             or   'floppy=/mnt/floppy,cdrom=/mnt/cdrom'\n");
    fprintf(stderr, "         '-r clientname=<client name>': Set the client name displayed\n");
    fprintf(stderr, "             for redirected disks\n");
    fprintf(stderr,
        "         '-r lptport:LPT1=/dev/lp0': enable parallel redirection of /dev/lp0 to LPT1\n");
    fprintf(stderr, "             or      LPT1=/dev/lp0,LPT2=/dev/lp1\n");
    fprintf(stderr, "         '-r printer:mydeskjet': enable printer redirection\n");
    fprintf(stderr,
        "             or      mydeskjet=\"HP LaserJet IIIP\" to enter server driver as well\n");
    fprintf(stderr, "         '-r sound:[local|off|remote]': enable sound redirection\n");
    fprintf(stderr, "                     remote would leave sound on server\n");
    fprintf(stderr,
        "         '-r clipboard:[off|PRIMARYCLIPBOARD|CLIPBOARD]': enable clipboard\n");
    fprintf(stderr, "                      redirection.\n");
    fprintf(stderr,
        "                      'PRIMARYCLIPBOARD' looks at both PRIMARY and CLIPBOARD\n");
    fprintf(stderr, "                      when sending data to server.\n");
    fprintf(stderr, "                      'CLIPBOARD' looks at only CLIPBOARD.\n");
    fprintf(stderr, "   -0: attach to console\n");
    fprintf(stderr, "   -4: use RDP version 4\n");
    fprintf(stderr, "   -5: use RDP version 5 (default)\n");
}

warning()

void warning	(	char *	format,
			...
	)

Definition at line 1100 of file rdesktop.c.

{
    va_list ap;
 
    fprintf(stderr, "WARNING: ");
 
    va_start(ap, format);
    vfprintf(stderr, format, ap);
    va_end(ap);
}

xfree()

void xfree

(

void *

mem

)

Definition at line 1080 of file rdesktop.c.

{
    free(mem);
}

Referenced by load_licence(), main(), save_licence(), str_handle_lines(), and subprocess().

xmalloc()

void * xmalloc

(

int

size

)

Definition at line 1037 of file rdesktop.c.

{
    void *mem = malloc(size);
    if (mem == NULL)
    {
        error("xmalloc %d\n", size);
        exit(1);
    }
    return mem;
}

Referenced by load_licence(), main(), save_licence(), and str_handle_lines().

xrealloc()

void * xrealloc	(	void *	oldmem,
		int	size
	)

Definition at line 1063 of file rdesktop.c.

{
    void *mem;
 
    if (size < 1)
        size = 1;
    mem = realloc(oldmem, size);
    if (mem == NULL)
    {
        error("xrealloc %d\n", size);
        exit(1);
    }
    return mem;
}

xstrdup()

char * xstrdup

(

const char *

s

)

Definition at line 1050 of file rdesktop.c.

{
    char *mem = strdup(s);
    if (mem == NULL)
    {
        perror("strdup");
        exit(1);
    }
    return mem;
}

Referenced by main().