Add magisk daemon

jni/utils/xwrap.c

@@ -14,15 +14,18 @@
 #include <fcntl.h>
 #include <dirent.h>
 #include <errno.h>
+#include <sys/socket.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <selinux/selinux.h>
 
+#include "magisk.h"
 #include "utils.h"
 
 FILE *xfopen(const char *pathname, const char *mode) {
 	FILE *fp = fopen(pathname, mode);
 	if (fp == NULL) {
-		PLOGE("fopen");
+		PLOGE("fopen: %s", pathname);
 	}
 	return fp;
 }
@@ -30,7 +33,7 @@ FILE *xfopen(const char *pathname, const char *mode) {
 int xopen(const char *pathname, int flags) {
 	int fd = open(pathname, flags);
 	if (fd < 0) {
-		PLOGE("open");
+		PLOGE("open: %s", pathname);
 	}
 	return fd;
 }
@@ -76,7 +79,7 @@ int xsetns(int fd, int nstype) {
 DIR *xopendir(const char *name) {
 	DIR *d = opendir(name);
 	if (d == NULL) {
-		PLOGE("opendir");
+		PLOGE("opendir: %s", name);
 	}
 	return d;
 }
@@ -90,3 +93,96 @@ struct dirent *xreaddir(DIR *dirp) {
 	return e;
 }
 
+pid_t xsetsid() {
+	pid_t pid = setsid();
+	if (pid == -1) {
+		PLOGE("setsid");
+	}
+	return pid;
+}
+
+int xsetcon(char *context) {
+	if (setcon(context) == -1) {
+		PLOGE("setcon: %s", context);
+	}
+	return 0;
+}
+
+int xsocket(int domain, int type, int protocol) {
+	int fd = socket(domain, type, protocol);
+	if (fd == -1) {
+		PLOGE("socket");
+	}
+	return fd;
+}
+
+int xbind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
+	if (bind(sockfd, addr, addrlen) == -1) {
+		PLOGE("bind");
+	}
+	return 0;
+}
+
+int xconnect(int sockfd, const struct sockaddr *addr, socklen_t addrlen) {
+	if (connect(sockfd, addr, addrlen) == -1) {
+		PLOGE("bind");
+	}
+	return 0;
+}
+
+int xlisten(int sockfd, int backlog) {
+	if (listen(sockfd, backlog) == -1) {
+		PLOGE("listen");
+	}
+	return 0;
+}
+
+int xaccept(int sockfd, struct sockaddr *addr, socklen_t *addrlen) {
+	int fd = accept(sockfd, addr, addrlen);
+	if (fd == -1) {
+		PLOGE("accept");
+	}
+	return fd;
+}
+
+void *xmalloc(size_t size) {
+	void *p = malloc(size);
+	if (p == NULL) {
+		PLOGE("malloc");
+	}
+	return p;
+}
+
+void *xcalloc(size_t nmemb, size_t size) {
+	void *p = calloc(nmemb, size);
+	if (p == NULL) {
+		PLOGE("calloc");
+	}
+	return p;
+}
+
+void *xrealloc(void *ptr, size_t size) {
+	void *p = realloc(ptr, size);
+	if (p == NULL) {
+		PLOGE("realloc");
+	}
+	return p;
+}
+
+ssize_t xsendmsg(int sockfd, const struct msghdr *msg, int flags) {
+	int sent = sendmsg(sockfd, msg, flags);
+	if (sent == -1) {
+		PLOGE("sendmsg");
+	}
+	return sent;
+}
+
+ssize_t xrecvmsg(int sockfd, struct msghdr *msg, int flags) {
+	int rec = recvmsg(sockfd, msg, flags);
+	if (rec == -1) {
+		PLOGE("recvmsg");
+	}
+	return rec;
+}
+
+