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Lines 18-23
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| 18 |
#include <sys/socket.h> |
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#include <sys/socket.h> |
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#include <sys/ioctl.h> |
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#include <sys/ioctl.h> |
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#include <pwd.h> |
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#include <grp.h> |
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#include <net/if.h> |
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#include <net/if.h> |
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#include <netax25/ax25.h> |
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#include <netax25/ax25.h> |
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#include <netrose/rose.h> |
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#include <netrose/rose.h> |
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Lines 32-37
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#define N_6PACK 7 /* This is valid for all architectures in 2.2.x */ |
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#define N_6PACK 7 /* This is valid for all architectures in 2.2.x */ |
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#endif |
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#endif |
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#define PTMX_TTY "/dev/ptmx" |
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static char *callsign; |
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static char *callsign; |
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static int speed = 0; |
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static int speed = 0; |
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static int mtu = 0; |
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static int mtu = 0; |
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Lines 42-47
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static char *inetaddr = NULL; |
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static char *inetaddr = NULL; |
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static int allow_broadcast = 0; |
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static int allow_broadcast = 0; |
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static int i_am_unix98_pty_master = 0; /* unix98 ptmx support */ |
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static int i_am_unix98_pty_master = 0; /* unix98 ptmx support */ |
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static int symlink_pty = 0; |
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static char *kiss_basename(char *s) |
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static char *kiss_basename(char *s) |
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{ |
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{ |
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Lines 58-63
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if (!i_am_unix98_pty_master) |
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if (!i_am_unix98_pty_master) |
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tty_unlock(kttyname); |
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tty_unlock(kttyname); |
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else if (symlink_pty) |
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unlink(kttyname); |
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exit(0); |
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exit(0); |
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} |
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} |
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Lines 214-220
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static void usage(void) |
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static void usage(void) |
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{ |
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{ |
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fprintf(stderr, "usage: %s [-b] [-l] [-m mtu] [-v] tty port [inetaddr]\n", progname); |
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fprintf(stderr, "usage: %s [-b] [-l] [-m mtu] [-v] [-o user:group] [-p mode] tty port [inetaddr]\n", |
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progname); |
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} |
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} |
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int main(int argc, char *argv[]) |
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int main(int argc, char *argv[]) |
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Lines 227-238
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* the client has to use */ |
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* the client has to use */ |
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struct hostent *hp = NULL; |
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struct hostent *hp = NULL; |
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/* Name of the user and group who will "own" the pty */ |
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char* pty_owner_user = NULL; |
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char* pty_owner_group = NULL; |
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/* Mode for pty: if 0; use defaults */ |
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mode_t pty_mode = 0; |
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progname = kiss_basename(argv[0]); |
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progname = kiss_basename(argv[0]); |
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if (!strcmp(progname, "spattach")) |
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if (!strcmp(progname, "spattach")) |
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disc = N_6PACK; |
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disc = N_6PACK; |
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while ((fd = getopt(argc, argv, "b6i:lm:v")) != -1) { |
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while ((fd = getopt(argc, argv, "b6i:lm:o:p:v")) != -1) { |
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switch (fd) { |
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switch (fd) { |
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case '6': |
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case '6': |
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disc = N_6PACK; |
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disc = N_6PACK; |
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Lines 253-258
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| 253 |
return 1; |
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return 1; |
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} |
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} |
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break; |
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break; |
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case 'o': |
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/* Change the owner of the pty */ |
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{ |
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char* colon = index(optarg,':'); |
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if (colon) { |
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pty_owner_user = optarg; |
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pty_owner_group = colon + 1; |
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*colon = 0; |
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} else { |
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fprintf(stderr, "%s: Must specify user:group\n", progname); |
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return 1; |
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} |
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} |
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break; |
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case 'p': |
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/* Change the permissions (mode) of the pty */ |
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pty_mode = (mode_t)strtoul(optarg, NULL, 8); |
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break; |
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case 'v': |
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case 'v': |
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printf("%s: %s\n", progname, VERSION); |
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printf("%s: %s\n", progname, VERSION); |
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return 0; |
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return 0; |
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Lines 278-285
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if (argc-1 >= optind && !inetaddr) |
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if (argc-1 >= optind && !inetaddr) |
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inetaddr = argv[optind]; |
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inetaddr = argv[optind]; |
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if (!strcmp("/dev/ptmx", kttyname)) |
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if (!strcmp(PTMX_TTY, kttyname)) { |
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i_am_unix98_pty_master = 1; |
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} else if (strstr(kttyname, "pty:") == kttyname) { |
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/* |
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* If the path starts with pty:, then create a |
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* new pty (Unix98 style) and make a symlink to it |
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*/ |
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i_am_unix98_pty_master = 1; |
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i_am_unix98_pty_master = 1; |
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kttyname = index(kttyname, ':') + 1; |
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symlink_pty = 1; |
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} |
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| 284 |
if (!i_am_unix98_pty_master) { |
326 |
if (!i_am_unix98_pty_master) { |
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if (tty_is_locked(kttyname)) { |
327 |
if (tty_is_locked(kttyname)) { |
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Lines 296-302
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| 296 |
return 1; |
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return 1; |
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} |
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} |
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| 299 |
if ((fd = open(kttyname, O_RDONLY | O_NONBLOCK)) == -1) { |
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if ((fd = open((symlink_pty ? PTMX_TTY : kttyname), O_RDONLY | O_NONBLOCK)) == -1) { |
| 300 |
if (errno == ENOENT) { |
342 |
if (errno == ENOENT) { |
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fprintf(stderr, "%s: Cannot find serial device %s, no such file or directory.\n", progname, kttyname); |
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fprintf(stderr, "%s: Cannot find serial device %s, no such file or directory.\n", progname, kttyname); |
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} else { |
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} else { |
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Lines 353-364
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| 353 |
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| 354 |
printf("AX.25 port %s bound to device %s\n", portname, dev); |
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printf("AX.25 port %s bound to device %s\n", portname, dev); |
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if (i_am_unix98_pty_master) { |
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if (i_am_unix98_pty_master) { |
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/* Users await the slave pty to be referenced in the 3d line */ |
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/* Are we being asked to chown? */ |
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printf("Awaiting client connects on\n%s\n", namepts); |
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if (pty_owner_user) { |
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/* Look up the user */ |
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struct passwd user; |
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struct passwd* user_ptr = NULL; |
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struct group grp; |
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struct group* grp_ptr = NULL; |
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char buffer[512]; |
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int err = getpwnam_r(pty_owner_user, &user, |
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buffer, sizeof(buffer)-1, &user_ptr); |
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if (err) { |
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fprintf(stderr, |
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"Failed to look up user: %s (%d)\n", |
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strerror(err), err); |
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return 1; |
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} |
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err = getgrnam_r(pty_owner_group, &grp, |
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buffer, sizeof(buffer)-1, &grp_ptr); |
| 417 |
if (err) { |
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fprintf(stderr, |
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"Failed to look up group: %s (%d)\n", |
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strerror(err), err); |
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return 1; |
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} |
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| 424 |
if (user_ptr && grp_ptr && |
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chown(namepts, user_ptr->pw_uid, |
| 426 |
grp_ptr->gr_gid)) { |
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fprintf(stderr, |
| 428 |
"Failed to change ownership: %s (%d)\n", |
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strerror(errno), errno); |
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return 1; |
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} |
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} |
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| 434 |
/* Are we being asked to chmod? */ |
| 435 |
if (pty_mode) { |
| 436 |
if (chmod(namepts, pty_mode)) { |
| 437 |
fprintf(stderr, |
| 438 |
"Failed to change mode: %s (%d)\n", |
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strerror(errno), errno); |
| 440 |
} |
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} |
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| 443 |
if (symlink_pty) { |
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/* Create the symlink */ |
| 445 |
if (symlink(namepts, kttyname)) { |
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fprintf(stderr, |
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"Failed to symlink PTY %s to %s: %s (%d)\n", |
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kttyname, namepts, strerror(errno), errno); |
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return 1; |
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} |
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} else { |
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/* Users await the slave pty to be referenced in the 3d line */ |
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printf("Awaiting client connects on\n%s\n", namepts); |
| 454 |
} |
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} |
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} |
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if (logging) { |
456 |
if (logging) { |
| 360 |
openlog(progname, LOG_PID, LOG_DAEMON); |
457 |
openlog(progname, LOG_PID, LOG_DAEMON); |
| 361 |
syslog(LOG_INFO, "AX.25 port %s bound to device %s%s%s\n", portname, dev, (i_am_unix98_pty_master ? " with slave pty " : ""), (i_am_unix98_pty_master ? namepts : "")); |
458 |
syslog(LOG_INFO, "AX.25 port %s bound to device %s%s%s\n", portname, dev, (i_am_unix98_pty_master ? " with slave pty " : ""), (i_am_unix98_pty_master ? namepts : "")); |
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459 |
if (symlink_pty) |
| 460 |
syslog(LOG_INFO, "Slave pty %s is symlinked to %s.", namepts, kttyname); |
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| 363 |
} |
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} |
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