rizin/librz/main/rz-agent.c
2021-03-05 19:39:15 +08:00

187 lines
4.3 KiB
C

/* rizin - LGPL - Copyright 2013-2020 - pancake */
#include "index.h"
#include <rz_main.h>
#include <rz_core.h>
#if __APPLE__ && (__arm__ || __arm64__ || __aarch64__)
#define USE_IOS_JETSAM 1
#define MEMORYSTATUS_CMD_SET_JETSAM_TASK_LIMIT 6
extern int memorystatus_control(uint32_t command, pid_t pid, uint32_t flags, void *buffer, size_t buffersize);
#else
#define USE_IOS_JETSAM 0
#endif
static int usage(int v) {
printf("Usage: rz-agent [-adhs] [-p port]\n"
" -a listen for everyone (localhost by default)\n"
" -d run in daemon mode (background)\n"
" -h show this help message\n"
" -u enable http Authorization access\n"
" -t user:password authentication file\n"
" -p [port] specify listening port (defaults to 8080)\n");
return !v;
}
static int showversion(void) {
return rz_main_version_print("rz_agent");
}
RZ_API int rz_main_rz_agent(int argc, const char **argv) {
RzSocket *s;
RzSocketHTTPOptions so;
RzSocketHTTPRequest *rs;
int c;
int dodaemon = 0;
bool listenlocal = true;
const char *port = "8080";
const char *httpauthfile = NULL;
char *pfile = NULL;
memset(&so, 0, sizeof(so));
RzGetopt opt;
rz_getopt_init(&opt, argc, argv, "adhup:t:sv");
while ((c = rz_getopt_next(&opt)) != -1) {
switch (c) {
case 'a':
listenlocal = false;
break;
case 'd':
dodaemon = 1;
break;
case 'h':
return usage(1);
case 'v':
return showversion();
case 'u':
so.httpauth = true;
break;
case 't':
httpauthfile = opt.arg;
break;
case 'p':
port = opt.arg;
break;
default:
return usage(0);
}
}
if (opt.ind != argc) {
return usage(0);
}
so.accept_timeout = 0;
so.timeout = 3;
if (so.httpauth) {
if (!httpauthfile) {
eprintf("No authentication user list set\n");
return usage(0);
}
size_t sz;
pfile = rz_file_slurp(httpauthfile, &sz);
if (pfile) {
so.authtokens = rz_str_split_list(pfile, "\n", 0);
} else {
eprintf("Empty list of HTTP users\\n");
return usage(0);
}
}
#if USE_IOS_JETSAM
memorystatus_control(MEMORYSTATUS_CMD_SET_JETSAM_TASK_LIMIT, getpid(), 256, NULL, 0);
#endif
if (dodaemon) {
#if LIBC_HAVE_FORK
int pid = rz_sys_fork();
if (pid > 0) {
printf("%d\n", pid);
return 0;
}
#endif
}
s = rz_socket_new(false);
s->local = listenlocal;
if (!rz_socket_listen(s, port, NULL)) {
eprintf("Cannot listen on %d\n", s->port);
rz_socket_free(s);
return 1;
}
eprintf("http://localhost:%d/\n", s->port);
(void)rz_cons_new();
while (!rz_cons_singleton()->context->breaked) {
char *result_heap = NULL;
const char *result = page_index;
rs = rz_socket_http_accept(s, &so);
if (!rs) {
continue;
}
if (!rs->auth) {
rz_socket_http_response(rs, 401, "", 0, NULL);
}
if (!strcmp(rs->method, "GET")) {
if (!strncmp(rs->path, "/proc/kill/", 11)) {
// TODO: show page here?
int pid = atoi(rs->path + 11);
if (pid > 0) {
#if __WINDOWS__
rz_sys_kill(pid, 0);
#else
rz_sys_kill(pid, SIGKILL);
#endif
}
} else if (!strncmp(rs->path, "/file/open/", 11)) {
int pid;
int session_port = 3000 + rz_num_rand(1024);
char *filename = rs->path + 11;
char *escaped_filename = rz_str_escape(filename);
size_t escaped_len = strlen(escaped_filename);
size_t cmd_len = escaped_len + 40;
char *cmd;
if (!(cmd = malloc(cmd_len))) {
perror("malloc");
return 1;
}
snprintf(cmd, cmd_len, "rizin -q %s-e http.port=%d -c=h \"%s\"",
listenlocal ? "" : "-e http.bind=public ",
session_port, escaped_filename);
// TODO: use rz_sys api to get pid when running in bg
pid = rz_sys_cmdbg(cmd);
free(cmd);
free(escaped_filename);
result = result_heap = malloc(1024 + escaped_len);
if (!result) {
perror("malloc");
free(pfile);
rz_list_free(so.authtokens);
return 1;
}
sprintf(result_heap,
"<html><body>"
"<a href='/'>back</a><hr size=1/>"
" - <a target='_blank' href='http://localhost:%d/'>open</a><br />"
" - <a href='/proc/kill/%d'>kill</a><br />"
"</body></html>",
session_port, pid);
eprintf("\nchild pid %d\n\n", pid);
}
}
rz_socket_http_response(rs, 200, result, 0, NULL);
rz_socket_http_close(rs);
free(result_heap);
result_heap = NULL;
}
rz_cons_free();
free(pfile);
rz_list_free(so.authtokens);
rz_socket_free(s);
return 0;
}