Implement two new syscalls: bind(2) and connect(2) for operating on UNIX
domain sockets.
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f5f8eecb32
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14f2fd5269
@ -28,6 +28,8 @@
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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@ -63,6 +65,8 @@ enum action {
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ACTION_SYMLINK,
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ACTION_RENAME,
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ACTION_MKFIFO,
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ACTION_BIND,
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ACTION_CONNECT,
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ACTION_CHMOD,
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#ifdef HAS_LCHMOD
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ACTION_LCHMOD,
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@ -110,6 +114,8 @@ static struct syscall_desc syscalls[] = {
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{ "symlink", ACTION_SYMLINK, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
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{ "rename", ACTION_RENAME, { TYPE_STRING, TYPE_STRING, TYPE_NONE } },
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{ "mkfifo", ACTION_MKFIFO, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
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{ "bind", ACTION_BIND, { TYPE_STRING, TYPE_NONE } },
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{ "connect", ACTION_CONNECT, { TYPE_STRING, TYPE_NONE } },
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{ "chmod", ACTION_CHMOD, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
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#ifdef HAS_LCHMOD
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{ "lchmod", ACTION_LCHMOD, { TYPE_STRING, TYPE_NUMBER, TYPE_NONE } },
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@ -496,6 +502,32 @@ call_syscall(struct syscall_desc *scall, char *argv[])
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case ACTION_MKFIFO:
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rval = mkfifo(STR(0), (mode_t)NUM(1));
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break;
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case ACTION_BIND:
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{
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struct sockaddr_un sun;
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sun.sun_family = AF_UNIX;
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strlcpy(sun.sun_path, STR(0), sizeof(sun.sun_path));
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sun.sun_len = SUN_LEN(&sun);
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rval = socket(AF_UNIX, SOCK_STREAM, 0);
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if (rval < 0)
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break;
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rval = bind(rval, (struct sockaddr *)&sun, sizeof(sun));
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break;
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}
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case ACTION_CONNECT:
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{
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struct sockaddr_un sun;
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sun.sun_family = AF_UNIX;
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strlcpy(sun.sun_path, STR(0), sizeof(sun.sun_path));
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sun.sun_len = SUN_LEN(&sun);
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rval = socket(AF_UNIX, SOCK_STREAM, 0);
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if (rval < 0)
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break;
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rval = connect(rval, (struct sockaddr *)&sun, sizeof(sun));
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break;
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}
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case ACTION_CHMOD:
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rval = chmod(STR(0), (mode_t)NUM(1));
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break;
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