scrcpy/app/src/adb.c
Romain Vimont 96b18dabaa Expose adb execution with redirection
Expose the redirection feature to the adb API.
2021-10-26 21:30:04 +02:00

235 lines
6.5 KiB
C

#include "adb.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util/log.h"
#include "util/str_util.h"
static const char *adb_command;
static inline const char *
get_adb_command(void) {
if (!adb_command) {
adb_command = getenv("ADB");
if (!adb_command)
adb_command = "adb";
}
return adb_command;
}
// serialize argv to string "[arg1], [arg2], [arg3]"
static size_t
argv_to_string(const char *const *argv, char *buf, size_t bufsize) {
size_t idx = 0;
bool first = true;
while (*argv) {
const char *arg = *argv;
size_t len = strlen(arg);
// count space for "[], ...\0"
if (idx + len + 8 >= bufsize) {
// not enough space, truncate
assert(idx < bufsize - 4);
memcpy(&buf[idx], "...", 3);
idx += 3;
break;
}
if (first) {
first = false;
} else {
buf[idx++] = ',';
buf[idx++] = ' ';
}
buf[idx++] = '[';
memcpy(&buf[idx], arg, len);
idx += len;
buf[idx++] = ']';
argv++;
}
assert(idx < bufsize);
buf[idx] = '\0';
return idx;
}
static void
show_adb_installation_msg() {
#ifndef __WINDOWS__
static const struct {
const char *binary;
const char *command;
} pkg_managers[] = {
{"apt", "apt install adb"},
{"apt-get", "apt-get install adb"},
{"brew", "brew cask install android-platform-tools"},
{"dnf", "dnf install android-tools"},
{"emerge", "emerge dev-util/android-tools"},
{"pacman", "pacman -S android-tools"},
};
for (size_t i = 0; i < ARRAY_LEN(pkg_managers); ++i) {
if (search_executable(pkg_managers[i].binary)) {
LOGI("You may install 'adb' by \"%s\"", pkg_managers[i].command);
return;
}
}
#endif
LOGI("You may download and install 'adb' from "
"https://developer.android.com/studio/releases/platform-tools");
}
static void
show_adb_err_msg(enum process_result err, const char *const argv[]) {
#define MAX_COMMAND_STRING_LEN 1024
char *buf = malloc(MAX_COMMAND_STRING_LEN);
if (!buf) {
LOGE("Failed to execute (could not allocate error message)");
return;
}
switch (err) {
case PROCESS_ERROR_GENERIC:
argv_to_string(argv, buf, MAX_COMMAND_STRING_LEN);
LOGE("Failed to execute: %s", buf);
break;
case PROCESS_ERROR_MISSING_BINARY:
argv_to_string(argv, buf, MAX_COMMAND_STRING_LEN);
LOGE("Command not found: %s", buf);
LOGE("(make 'adb' accessible from your PATH or define its full"
"path in the ADB environment variable)");
show_adb_installation_msg();
break;
case PROCESS_SUCCESS:
// do nothing
break;
}
free(buf);
}
process_t
adb_execute_redirect(const char *serial, const char *const adb_cmd[],
size_t len, pipe_t *pipe_stdin, pipe_t *pipe_stdout,
pipe_t *pipe_stderr) {
int i;
process_t process;
const char **argv = malloc((len + 4) * sizeof(*argv));
if (!argv) {
return PROCESS_NONE;
}
argv[0] = get_adb_command();
if (serial) {
argv[1] = "-s";
argv[2] = serial;
i = 3;
} else {
i = 1;
}
memcpy(&argv[i], adb_cmd, len * sizeof(const char *));
argv[len + i] = NULL;
enum process_result r =
process_execute_redirect(argv, &process, pipe_stdin, pipe_stdout,
pipe_stderr);
if (r != PROCESS_SUCCESS) {
show_adb_err_msg(r, argv);
process = PROCESS_NONE;
}
free(argv);
return process;
}
process_t
adb_execute(const char *serial, const char *const adb_cmd[], size_t len) {
return adb_execute_redirect(serial, adb_cmd, len, NULL, NULL, NULL);
}
process_t
adb_forward(const char *serial, uint16_t local_port,
const char *device_socket_name) {
char local[4 + 5 + 1]; // tcp:PORT
char remote[108 + 14 + 1]; // localabstract:NAME
sprintf(local, "tcp:%" PRIu16, local_port);
snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
const char *const adb_cmd[] = {"forward", local, remote};
return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
}
process_t
adb_forward_remove(const char *serial, uint16_t local_port) {
char local[4 + 5 + 1]; // tcp:PORT
sprintf(local, "tcp:%" PRIu16, local_port);
const char *const adb_cmd[] = {"forward", "--remove", local};
return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
}
process_t
adb_reverse(const char *serial, const char *device_socket_name,
uint16_t local_port) {
char local[4 + 5 + 1]; // tcp:PORT
char remote[108 + 14 + 1]; // localabstract:NAME
sprintf(local, "tcp:%" PRIu16, local_port);
snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
const char *const adb_cmd[] = {"reverse", remote, local};
return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
}
process_t
adb_reverse_remove(const char *serial, const char *device_socket_name) {
char remote[108 + 14 + 1]; // localabstract:NAME
snprintf(remote, sizeof(remote), "localabstract:%s", device_socket_name);
const char *const adb_cmd[] = {"reverse", "--remove", remote};
return adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
}
process_t
adb_push(const char *serial, const char *local, const char *remote) {
#ifdef __WINDOWS__
// Windows will parse the string, so the paths must be quoted
// (see sys/win/command.c)
local = strquote(local);
if (!local) {
return PROCESS_NONE;
}
remote = strquote(remote);
if (!remote) {
free((void *) local);
return PROCESS_NONE;
}
#endif
const char *const adb_cmd[] = {"push", local, remote};
process_t proc = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
#ifdef __WINDOWS__
free((void *) remote);
free((void *) local);
#endif
return proc;
}
process_t
adb_install(const char *serial, const char *local) {
#ifdef __WINDOWS__
// Windows will parse the string, so the local name must be quoted
// (see sys/win/command.c)
local = strquote(local);
if (!local) {
return PROCESS_NONE;
}
#endif
const char *const adb_cmd[] = {"install", "-r", local};
process_t proc = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
#ifdef __WINDOWS__
free((void *) local);
#endif
return proc;
}