Welcome to mirror list, hosted at ThFree Co, Russian Federation.

github.com/mRemoteNG/PuTTYNG.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'unix/uxsocks.c')
-rw-r--r--unix/uxsocks.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/unix/uxsocks.c b/unix/uxsocks.c
deleted file mode 100644
index 91613afd..00000000
--- a/unix/uxsocks.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Main program for Unix psocks.
- */
-
-#include <string.h>
-#include <errno.h>
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "putty.h"
-#include "ssh.h"
-#include "psocks.h"
-
-const bool buildinfo_gtk_relevant = false;
-
-typedef struct PsocksDataSinkPopen {
- stdio_sink sink[2];
- PsocksDataSink pds;
-} PsocksDataSinkPopen;
-
-static void popen_free(PsocksDataSink *pds)
-{
- PsocksDataSinkPopen *pdsp = container_of(pds, PsocksDataSinkPopen, pds);
- for (size_t i = 0; i < 2; i++)
- pclose(pdsp->sink[i].fp);
- sfree(pdsp);
-}
-
-static PsocksDataSink *open_pipes(
- const char *cmd, const char *const *direction_args,
- const char *index_arg, char **err)
-{
- FILE *fp[2];
- char *errmsg = NULL;
-
- for (size_t i = 0; i < 2; i++) {
- /* No escaping needed: the provided command is already
- * shell-quoted, and our extra arguments are simple */
- char *command = dupprintf("%s %s %s", cmd,
- direction_args[i], index_arg);
-
- fp[i] = popen(command, "w");
- sfree(command);
-
- if (!fp[i]) {
- if (!errmsg)
- errmsg = dupprintf("%s", strerror(errno));
- }
- }
-
- if (errmsg) {
- for (size_t i = 0; i < 2; i++)
- if (fp[i])
- pclose(fp[i]);
- *err = errmsg;
- return NULL;
- }
-
- PsocksDataSinkPopen *pdsp = snew(PsocksDataSinkPopen);
-
- for (size_t i = 0; i < 2; i++) {
- setvbuf(fp[i], NULL, _IONBF, 0);
- stdio_sink_init(&pdsp->sink[i], fp[i]);
- pdsp->pds.s[i] = BinarySink_UPCAST(&pdsp->sink[i]);
- }
-
- pdsp->pds.free = popen_free;
-
- return &pdsp->pds;
-}
-
-static int signalpipe[2] = { -1, -1 };
-static void sigchld(int signum)
-{
- if (write(signalpipe[1], "x", 1) <= 0)
- /* not much we can do about it */;
-}
-
-static pid_t subcommand_pid = -1;
-
-static bool still_running = true;
-
-static void start_subcommand(strbuf *args)
-{
- pid_t pid;
-
- /*
- * Set up the pipe we'll use to tell us about SIGCHLD.
- */
- if (pipe(signalpipe) < 0) {
- perror("pipe");
- exit(1);
- }
- putty_signal(SIGCHLD, sigchld);
-
- /*
- * Make an array of argument pointers that execvp will like.
- */
- size_t nargs = 0;
- for (size_t i = 0; i < args->len; i++)
- if (args->s[i] == '\0')
- nargs++;
-
- char **exec_args = snewn(nargs + 1, char *);
- char *p = args->s;
- for (size_t a = 0; a < nargs; a++) {
- exec_args[a] = p;
- size_t len = strlen(p);
- assert(len < args->len - (p - args->s));
- p += 1 + len;
- }
- exec_args[nargs] = NULL;
-
- pid = fork();
- if (pid < 0) {
- perror("fork");
- exit(1);
- } else if (pid == 0) {
- execvp(exec_args[0], exec_args);
- perror("exec");
- _exit(127);
- } else {
- subcommand_pid = pid;
- sfree(exec_args);
- }
-}
-
-static const PsocksPlatform platform = {
- open_pipes,
- start_subcommand,
-};
-
-static bool psocks_pw_setup(void *ctx, pollwrapper *pw)
-{
- if (signalpipe[0] >= 0)
- pollwrap_add_fd_rwx(pw, signalpipe[0], SELECT_R);
- return true;
-}
-
-static void psocks_pw_check(void *ctx, pollwrapper *pw)
-{
- if (signalpipe[0] >= 0 &&
- pollwrap_check_fd_rwx(pw, signalpipe[0], SELECT_R)) {
- while (true) {
- int status;
- pid_t pid = waitpid(-1, &status, WNOHANG);
- if (pid <= 0)
- break;
- if (pid == subcommand_pid)
- still_running = false;
- }
- }
-}
-
-static bool psocks_continue(void *ctx, bool found_any_fd,
- bool ran_any_callback)
-{
- return still_running;
-}
-
-typedef bool (*cliloop_continue_t)(void *ctx, bool found_any_fd,
- bool ran_any_callback);
-
-int main(int argc, char **argv)
-{
- psocks_state *ps = psocks_new(&platform);
- psocks_cmdline(ps, argc, argv);
-
- sk_init();
- uxsel_init();
- psocks_start(ps);
-
- cli_main_loop(psocks_pw_setup, psocks_pw_check, psocks_continue, NULL);
-}