[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/mailutils/mail.c b/ap/app/busybox/src/mailutils/mail.c
new file mode 100644
index 0000000..199f644
--- /dev/null
+++ b/ap/app/busybox/src/mailutils/mail.c
@@ -0,0 +1,183 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * helper routines
+ *
+ * Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+#include "libbb.h"
+#include "mail.h"
+
+static void kill_helper(void)
+{
+ if (G.helper_pid > 0) {
+ kill(G.helper_pid, SIGTERM);
+ G.helper_pid = 0;
+ }
+}
+
+// generic signal handler
+static void signal_handler(int signo)
+{
+#define err signo
+ if (SIGALRM == signo) {
+ kill_helper();
+ bb_error_msg_and_die("timed out");
+ }
+
+ // SIGCHLD. reap zombies
+ if (safe_waitpid(G.helper_pid, &err, WNOHANG) > 0) {
+ if (WIFSIGNALED(err))
+ bb_error_msg_and_die("helper killed by signal %u", WTERMSIG(err));
+ if (WIFEXITED(err)) {
+ G.helper_pid = 0;
+ if (WEXITSTATUS(err))
+ bb_error_msg_and_die("helper exited (%u)", WEXITSTATUS(err));
+ }
+ }
+#undef err
+}
+
+void FAST_FUNC launch_helper(const char **argv)
+{
+ // setup vanilla unidirectional pipes interchange
+ int i;
+ int pipes[4];
+
+ xpipe(pipes);
+ xpipe(pipes + 2);
+
+ // NB: handler must be installed before vfork
+ bb_signals(0
+ + (1 << SIGCHLD)
+ + (1 << SIGALRM)
+ , signal_handler);
+
+ G.helper_pid = xvfork();
+
+ i = (!G.helper_pid) * 2; // for parent:0, for child:2
+ close(pipes[i + 1]); // 1 or 3 - closing one write end
+ close(pipes[2 - i]); // 2 or 0 - closing one read end
+ xmove_fd(pipes[i], STDIN_FILENO); // 0 or 2 - using other read end
+ xmove_fd(pipes[3 - i], STDOUT_FILENO); // 3 or 1 - using other write end
+ // End result:
+ // parent stdout [3] -> child stdin [2]
+ // child stdout [1] -> parent stdin [0]
+
+ if (!G.helper_pid) {
+ // child: try to execute connection helper
+ // NB: SIGCHLD & SIGALRM revert to SIG_DFL on exec
+ BB_EXECVP_or_die((char**)argv);
+ }
+
+ // parent
+ // check whether child is alive
+ //redundant:signal_handler(SIGCHLD);
+ // child seems OK -> parent goes on
+ atexit(kill_helper);
+}
+
+char* FAST_FUNC send_mail_command(const char *fmt, const char *param)
+{
+ char *msg;
+ if (timeout)
+ alarm(timeout);
+ msg = (char*)fmt;
+ if (fmt) {
+ msg = xasprintf(fmt, param);
+ if (verbose)
+ bb_error_msg("send:'%s'", msg);
+ printf("%s\r\n", msg);
+ }
+ fflush_all();
+ return msg;
+}
+
+// NB: parse_url can modify url[] (despite const), but only if '@' is there
+/*
+static char* FAST_FUNC parse_url(char *url, char **user, char **pass)
+{
+ // parse [user[:pass]@]host
+ // return host
+ char *s = strchr(url, '@');
+ *user = *pass = NULL;
+ if (s) {
+ *s++ = '\0';
+ *user = url;
+ url = s;
+ s = strchr(*user, ':');
+ if (s) {
+ *s++ = '\0';
+ *pass = s;
+ }
+ }
+ return url;
+}
+*/
+
+void FAST_FUNC encode_base64(char *fname, const char *text, const char *eol)
+{
+ enum {
+ SRC_BUF_SIZE = 57, /* This *MUST* be a multiple of 3 */
+ DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
+ };
+#define src_buf text
+ char src[SRC_BUF_SIZE];
+ FILE *fp = fp;
+ ssize_t len = len;
+ char dst_buf[DST_BUF_SIZE + 1];
+
+ if (fname) {
+ fp = (NOT_LONE_DASH(fname)) ? xfopen_for_read(fname) : (FILE *)text;
+ src_buf = src;
+ } else if (text) {
+ // though we do not call uuencode(NULL, NULL) explicitly
+ // still we do not want to break things suddenly
+ len = strlen(text);
+ } else
+ return;
+
+ while (1) {
+ size_t size;
+ if (fname) {
+ size = fread((char *)src_buf, 1, SRC_BUF_SIZE, fp);
+ if ((ssize_t)size < 0)
+ bb_perror_msg_and_die(bb_msg_read_error);
+ } else {
+ size = len;
+ if (len > SRC_BUF_SIZE)
+ size = SRC_BUF_SIZE;
+ }
+ if (!size)
+ break;
+ // encode the buffer we just read in
+ bb_uuencode(dst_buf, src_buf, size, bb_uuenc_tbl_base64);
+ if (fname) {
+ printf("%s\n", eol);
+ } else {
+ src_buf += size;
+ len -= size;
+ }
+ fwrite(dst_buf, 1, 4 * ((size + 2) / 3), stdout);
+ }
+ if (fname && NOT_LONE_DASH(fname))
+ fclose(fp);
+#undef src_buf
+}
+
+/*
+ * get username and password from a file descriptor
+ */
+void FAST_FUNC get_cred_or_die(int fd)
+{
+ if (isatty(fd)) {
+ G.user = xstrdup(bb_ask(fd, /* timeout: */ 0, "User: "));
+ G.pass = xstrdup(bb_ask(fd, /* timeout: */ 0, "Password: "));
+ } else {
+ G.user = xmalloc_reads(fd, /* maxsize: */ NULL);
+ G.pass = xmalloc_reads(fd, /* maxsize: */ NULL);
+ }
+ if (!G.user || !*G.user || !G.pass)
+ bb_error_msg_and_die("no username or password");
+}