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D35776.id108272.diff
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diff --git a/usr.bin/Makefile b/usr.bin/Makefile
--- a/usr.bin/Makefile
+++ b/usr.bin/Makefile
@@ -172,6 +172,7 @@
unvis \
vis \
vmstat \
+ vtspeakd \
w \
wall \
wc \
diff --git a/usr.bin/vtspeakd/Makefile b/usr.bin/vtspeakd/Makefile
new file mode 100644
--- /dev/null
+++ b/usr.bin/vtspeakd/Makefile
@@ -0,0 +1,6 @@
+# $FreeBSD$
+
+PROG= vtspeakd
+MAN= #
+
+.include <bsd.prog.mk>
diff --git a/usr.bin/vtspeakd/vtspeakd.c b/usr.bin/vtspeakd/vtspeakd.c
new file mode 100644
--- /dev/null
+++ b/usr.bin/vtspeakd/vtspeakd.c
@@ -0,0 +1,379 @@
+/*-
+ * Copyright (c) 2022 Hans Petter Selasky <hselasky@freebsd.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <sys/wait.h>
+
+#define WRAP(str) (char []){str}
+
+static const char *speak_prog = "/usr/local/bin/espeak";
+static const char *beep_prog = "/usr/bin/beep";
+static void (*fn)(void);
+static bool background;
+static bool chatty;
+
+static void
+chatty_char(char ch, char *buffer, size_t *ppos)
+{
+ char temp[32];
+ size_t len;
+
+ switch (ch) {
+ case 'a' ... 'z':
+ case 'A' ... 'Z':
+ case '0' ... '9':
+ temp[0] = (char)ch;
+ temp[1] = 0;
+ break;
+ case '~':
+ strlcpy(temp, " tilde ", sizeof(temp));
+ break;
+ case '#':
+ strlcpy(temp, " hash ", sizeof(temp));
+ break;
+ case '+':
+ strlcpy(temp, " plus ", sizeof(temp));
+ break;
+ case '-':
+ strlcpy(temp, " minus ", sizeof(temp));
+ break;
+ case '_':
+ strlcpy(temp, " underscore ", sizeof(temp));
+ break;
+ case '*':
+ strlcpy(temp, " multiply ", sizeof(temp));
+ break;
+ case '/':
+ strlcpy(temp, " divide ", sizeof(temp));
+ break;
+ case '\\':
+ strlcpy(temp, " backslash ", sizeof(temp));
+ break;
+ case '=':
+ strlcpy(temp, " equal ", sizeof(temp));
+ break;
+ case '@':
+ strlcpy(temp, " at ", sizeof(temp));
+ break;
+ case '^':
+ strlcpy(temp, " xor ", sizeof(temp));
+ break;
+ case '|':
+ strlcpy(temp, " pipe ", sizeof(temp));
+ break;
+ case '&':
+ strlcpy(temp, " and ", sizeof(temp));
+ break;
+ case '(':
+ strlcpy(temp, " opening parenthesis ", sizeof(temp));
+ break;
+ case ')':
+ strlcpy(temp, " closing parenthesis ", sizeof(temp));
+ break;
+ case '[':
+ strlcpy(temp, " opening bracket ", sizeof(temp));
+ break;
+ case ']':
+ strlcpy(temp, " closing bracket ", sizeof(temp));
+ break;
+ case '{':
+ strlcpy(temp, " opening curlybracket ", sizeof(temp));
+ break;
+ case '}':
+ strlcpy(temp, " closing curlybracket ", sizeof(temp));
+ break;
+ case '.':
+ strlcpy(temp, " period ", sizeof(temp));
+ break;
+ case ',':
+ strlcpy(temp, " comma ", sizeof(temp));
+ break;
+ case ':':
+ strlcpy(temp, " colon ", sizeof(temp));
+ break;
+ case ';':
+ strlcpy(temp, " semicolon ", sizeof(temp));
+ break;
+ case '!':
+ strlcpy(temp, " not ", sizeof(temp));
+ break;
+ case '$':
+ strlcpy(temp, " dollar ", sizeof(temp));
+ break;
+ case '?':
+ strlcpy(temp, " questionmark ", sizeof(temp));
+ break;
+ case '>':
+ strlcpy(temp, " greaterthan ", sizeof(temp));
+ break;
+ case '<':
+ strlcpy(temp, " lessthan ", sizeof(temp));
+ break;
+ case '"':
+ strlcpy(temp, " quote ", sizeof(temp));
+ break;
+ case '\'':
+ strlcpy(temp, " apostrophe ", sizeof(temp));
+ break;
+ case '%':
+ strlcpy(temp, " percent ", sizeof(temp));
+ break;
+ case ' ':
+ temp[0] = ' ';
+ temp[1] = 0;
+ break;
+ default:
+ snprintf(temp, sizeof(temp), " byte %u ", (uint8_t)ch);
+ break;
+ }
+
+ len = strlen(temp);
+
+ if (buffer != NULL)
+ memcpy(buffer + *ppos, temp, len);
+ *ppos += len;
+}
+
+static char *
+chatty_buffer(char *data, size_t off)
+{
+ size_t pos;
+ char *ndata;
+
+ /* Compute size of chatty buffer: */
+ for (size_t x = pos = 0; data[x + off] != 0; x++)
+ chatty_char(data[x + off], NULL, &pos);
+
+ if (pos != 0) {
+ ndata = malloc(off + pos + 1);
+ for (size_t x = pos = 0; data[x + off] != 0; x++)
+ chatty_char(data[x + off], ndata + off, &pos);
+ memcpy(ndata, data, off);
+ ndata[off + pos] = 0; /* zero terminate string buffer */
+ free(data);
+ return (ndata);
+ } else {
+ return (data);
+ }
+}
+
+static void
+sync_execv(const char *path, char *const argv[])
+{
+ int pid;
+
+ pid = fork();
+ if (pid == 0) {
+ execv(path, argv);
+ exit(0);
+ } else if (pid != -1) {
+ waitpid(pid, NULL, 0);
+ }
+}
+
+static void
+feed(void)
+{
+ unsigned tmp = 1;
+ sysctlbyname("kern.vt.accessibility.feed", NULL, NULL, &tmp, sizeof(tmp));
+}
+
+static void
+speak(void)
+{
+ char buffer[256];
+ char *data;
+ char *argv[4];
+
+ size_t len;
+ uint16_t row = 0;
+ uint16_t col = 0;
+
+ len = sizeof(row);
+ sysctlbyname("kern.vt.accessibility.row", &row, &len, NULL, 0);
+
+ len = sizeof(col);
+ sysctlbyname("kern.vt.accessibility.col", &col, &len, NULL, 0);
+
+ len = 0;
+ sysctlbyname("kern.vt.accessibility.text_utf8", NULL, &len, NULL, 0);
+ if (len == 0)
+ return;
+
+ data = malloc(len + 1);
+ memset(data, 0, len + 1);
+ sysctlbyname("kern.vt.accessibility.text_utf8", data, &len, NULL, 0);
+
+ if (chatty)
+ data = chatty_buffer(data, 0);
+
+ snprintf(buffer, sizeof(buffer), "row %u column %u ", row, col);
+
+ argv[0] = WRAP("espeak");
+ argv[1] = WRAP("--");
+ argv[2] = buffer;
+ argv[3] = NULL;
+
+ sync_execv(speak_prog, argv);
+
+ argv[2] = data;
+
+ sync_execv(speak_prog, argv);
+
+ free(data);
+}
+
+static void
+beep(void)
+{
+ char rbuf[16];
+ char cbuf[16];
+
+ char *data;
+ char *argv[5];
+
+ size_t len;
+ uint16_t row = 0;
+ uint16_t col = 0;
+
+ len = sizeof(row);
+ sysctlbyname("kern.vt.accessibility.row", &row, &len, NULL, 0);
+
+ len = sizeof(col);
+ sysctlbyname("kern.vt.accessibility.col", &col, &len, NULL, 0);
+
+ len = 0;
+ sysctlbyname("kern.vt.accessibility.text_utf8", NULL, &len, NULL, 0);
+ if (len == 0)
+ return;
+
+ data = malloc(3 + len + 1);
+ memset(data, 0, 3 + len + 1);
+ sysctlbyname("kern.vt.accessibility.text_utf8", data + 3, &len, NULL, 0);
+
+ data[0] = '-';
+ data[1] = 't';
+ data[2] = ' ';
+
+ if (chatty)
+ data = chatty_buffer(data, 3);
+
+ snprintf(rbuf, sizeof(rbuf), "-n %u", row);
+ snprintf(cbuf, sizeof(cbuf), "-n %u", col);
+
+ argv[0] = WRAP("beep");
+ argv[1] = rbuf;
+ argv[2] = WRAP("-F 220");
+ argv[3] = WRAP("-D 50");
+ argv[4] = NULL;
+
+ sync_execv(beep_prog, argv);
+
+ argv[0] = WRAP("beep");
+ argv[1] = cbuf;
+ argv[2] = WRAP("-F 220");
+ argv[3] = WRAP("-D 50");
+ argv[4] = NULL;
+
+ sync_execv(beep_prog, argv);
+
+ argv[0] = WRAP("beep");
+ argv[1] = data;
+ argv[2] = WRAP("-F 440");
+ argv[3] = WRAP("-D 50");
+ argv[4] = NULL;
+
+ sync_execv(beep_prog, argv);
+
+ free(data);
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "Usage: %s [parameters]\n"
+ "\t" "-b Beep the console contents (default)\n"
+ "\t" "-s Speak the console contents\n"
+ "\t" "-c Be chatty\n"
+ "\t" "-S <speak program name> # Default: %s\n"
+ "\t" "-T <beep program name> # Default: %s\n"
+ "\t" "-B Run in background\n"
+ "\t" "-h Show usage\n",
+ getprogname(), speak_prog, beep_prog);
+ exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+ int c;
+
+ while ((c = getopt(argc, argv, "BbcshS:T:")) != -1) {
+ switch (c) {
+ case 'B':
+ background = true;
+ break;
+ case 'b':
+ fn = &beep;
+ break;
+ case 'c':
+ chatty = true;
+ break;
+ case 's':
+ fn = &speak;
+ break;
+ case 'S':
+ speak_prog = optarg;
+ break;
+ case 'T':
+ beep_prog = optarg;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ if (fn == NULL)
+ fn = &beep;
+
+ if (background && daemon(0, 0) != 0)
+ errx(1, "daemon(0,0) failed");
+
+ for (;;) {
+ fn();
+ feed();
+ sleep(1);
+ }
+ return (0);
+}
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D35776.id108272.diff (8 KB)
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D35776: vtspeakd(1): Initial version of console speaker daemon.
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