Publishes the project

.gitignore

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+/build/

COPYING

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+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+LIBPS4	:= $(PS4SDK)/libPS4
+
+CC	:= gcc
+OBJCOPY	:= objcopy
+ODIR	:= build
+SDIR	:= source
+IDIRS	:= -I$(LIBPS4)/include -Iinclude
+LDIRS	:= -L$(LIBPS4)
+MAPFILE := $(shell basename "$(CURDIR)").map
+CFLAGS	:= $(IDIRS) -Os -std=c11 -ffunction-sections -fdata-sections -fno-builtin -nostartfiles -nostdlib -Wall -Wextra -masm=intel -march=btver2 -mtune=btver2 -m64 -mabi=sysv -mcmodel=small -fpie -fPIC
+LFLAGS	:= $(LDIRS) -Xlinker -T $(LIBPS4)/linker.x -Xlinker -Map="$(MAPFILE)" -Wl,--build-id=none -Wl,--gc-sections
+CFILES	:= $(wildcard $(SDIR)/*.c)
+SFILES	:= $(wildcard $(SDIR)/*.s)
+OBJS	:= $(patsubst $(SDIR)/%.c, $(ODIR)/%.o, $(CFILES)) $(patsubst $(SDIR)/%.s, $(ODIR)/%.o, $(SFILES))
+
+LIBS	:= -lPS4
+
+TARGET = $(shell basename "$(CURDIR)").bin
+
+$(TARGET): $(ODIR) $(OBJS)
+	$(CC) $(LIBPS4)/crt0.s $(ODIR)/*.o -o temp.t $(CFLAGS) $(LFLAGS) $(LIBS)
+	$(OBJCOPY) -O binary temp.t "$(TARGET)"
+	rm -f temp.t
+
+$(ODIR)/%.o: $(SDIR)/%.c
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+$(ODIR)/%.o: $(SDIR)/%.s
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+$(ODIR):
+	@mkdir $@
+
+.PHONY: clean
+
+clean:
+	rm -rf "$(TARGET)" "$(MAPFILE)" $(ODIR)

README.md

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+# Auth Info Dumper
+
+This is a PS4 payload to dump [auth info](https://www.psdevwiki.com/ps4/Auth_Info) from a SELF file. Right now it is hard-coded file name to dump and it is only work on 9.0.
+
+## Building
+
+### Prerequisites
+
+- Linux
+- [PS4 Payload SDK](https://github.com/Scene-Collective/ps4-payload-sdk)
+
+## License
+
+MIT

source/main.c

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+#include <ps4.h>
+
+struct get_auth_req {
+	const char *file;
+	unsigned char buf[136];
+};
+
+struct get_auth_args {
+	void *handler;
+	struct get_auth_req *req;
+};
+
+typedef int (*kern_get_self_auth_info_t) (struct thread *, const char *, int, unsigned char *);
+typedef int (*copyout_t) (const void *, void *, unsigned);
+
+static int get_auth(struct thread *td, struct get_auth_args *args) {
+	void *kernel_base;
+	kern_get_self_auth_info_t kern_get_self_auth_info;
+	copyout_t copyout;
+	unsigned char info[136];
+	int error;
+
+	// get kernel functions
+	kernel_base = &((uint8_t *)__readmsr(0xC0000082))[-K900_XFAST_SYSCALL];
+	kern_get_self_auth_info = (kern_get_self_auth_info_t)(kernel_base + 0x1697B0);
+	copyout = (copyout_t)(kernel_base + K900_COPYOUT);
+
+	// get auth
+	error = kern_get_self_auth_info(td, args->req->file, 0, info);
+
+	if (error == 0) {
+		error = copyout(info, args->req->buf, 136);
+	}
+
+	return error;
+}
+
+int _main(struct thread *td) {
+	struct get_auth_req req;
+	int fd;
+
+	initKernel();
+	initLibc();
+	jailbreak();
+	mmap_patch();
+	initSysUtil();
+
+	// get auth info
+	req.file = "/system/sys/SceSysCore.elf";
+
+	if (kexec(get_auth, &req) < 0) {
+		printf_notification("Failed to dump auth info.");
+		return 0;
+	}
+
+	// write to usb drive
+	fd = open("/mnt/usb0/auth-info.bin", O_WRONLY | O_CREAT | O_TRUNC, 0777);
+
+	if (fd < 0) {
+		printf_notification("Cannot create auth-info.bin on the USB drive.");
+		return 0;
+	}
+
+	write(fd, req.buf, 136);
+	close(fd);
+
+	printf_notification("Auth info dumped!");
+
+	return 0;
+}