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/*
* max25-bcprd — BayCom/based SER12 userspace daemon (unprivileged live path).
* Live SER12: max25-bcprd-init (setuid). Dry-run / offline: this binary.
*/
#define _GNU_SOURCE
#include "bcpr/bcpr_config.h"
#include "bcpr/bcpr_daemon.h"
#include "bcpr/bcpr_kiss.h"
#include "bcpr/bcpr_runas.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
static void usage(const char *argv0)
{
fprintf(stderr,
"Usage: %s -c <bcpr.ini> [--dry-run] [--once] [--seconds N]\n"
" [--cal high|low|alt] [--txd-bias pulse|steady]\n"
" [--ptt-wd|--no-ptt-wd] [--ptt-wd-key-ms N]\n"
" [--ptt-wd-pause-ms N] [--version]\n"
" Host face: max25e0:bc0 / bc1 (KISS PTY via kiss_link)\n"
" Live SER12: max25-bcprd-init (setuid) — this binary refuses root.\n"
" --cal: continuous SER12 tone+PTT (use init for live hardware)\n",
argv0);
}
int main(int argc, char **argv)
{
const char *cfg_path = NULL;
int dry = 0;
int seconds = 0;
int cal_mode = BCPR_CAL_OFF;
int cli_txd_bias = -1;
int cli_ptt_wd = -1;
int cli_ptt_wd_key_ms = -1;
int cli_ptt_wd_pause_ms = -1;
int i;
bcpr_config_t cfg;
bcpr_kiss_pty_t ptys[BCPR_MAX_DEVICES];
int npty = 0;
bcpr_daemon_opts_t opts;
char ver[32] = "0.1.0";
for (i = 1; i < argc; i++) {
if ((strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "--config") == 0) &&
i + 1 < argc) {
cfg_path = argv[++i];
} else if (strcmp(argv[i], "--dry-run") == 0) {
dry = 1;
} else if (strcmp(argv[i], "--once") == 0) {
if (seconds <= 0) {
seconds = 1;
}
} else if (strcmp(argv[i], "--seconds") == 0 && i + 1 < argc) {
seconds = atoi(argv[++i]);
} else if (strcmp(argv[i], "--cal") == 0 && i + 1 < argc) {
const char *m = argv[++i];
if (strcmp(m, "high") == 0 || strcmp(m, "1") == 0) {
cal_mode = BCPR_CAL_HIGH;
} else if (strcmp(m, "low") == 0 || strcmp(m, "2") == 0) {
cal_mode = BCPR_CAL_LOW;
} else if (strcmp(m, "alt") == 0 || strcmp(m, "3") == 0) {
cal_mode = BCPR_CAL_ALT;
} else {
fprintf(stderr, "max25-bcprd: --cal needs high|low|alt\n");
return 2;
}
} else if (strcmp(argv[i], "--txd-bias") == 0 && i + 1 < argc) {
const char *m = argv[++i];
if (strcasecmp(m, "pulse") == 0 || strcasecmp(m, "sailer") == 0) {
cli_txd_bias = BCPR_TXD_PULSE;
} else if (strcasecmp(m, "steady") == 0 ||
strcasecmp(m, "tfpcx") == 0 ||
strcasecmp(m, "break") == 0) {
cli_txd_bias = BCPR_TXD_STEADY;
} else {
fprintf(stderr, "max25-bcprd: --txd-bias needs pulse|steady\n");
return 2;
}
} else if (strcmp(argv[i], "--ptt-wd") == 0) {
cli_ptt_wd = 1;
} else if (strcmp(argv[i], "--no-ptt-wd") == 0) {
cli_ptt_wd = 0;
} else if (strcmp(argv[i], "--ptt-wd-key-ms") == 0 && i + 1 < argc) {
cli_ptt_wd_key_ms = atoi(argv[++i]);
} else if (strcmp(argv[i], "--ptt-wd-pause-ms") == 0 &&
i + 1 < argc) {
cli_ptt_wd_pause_ms = atoi(argv[++i]);
} else if (strcmp(argv[i], "--version") == 0 ||
strcmp(argv[i], "-V") == 0) {
FILE *vf = fopen("/usr/local/share/max25/max25-bcpr/VERSION", "r");
if (!vf) {
vf = fopen("stacks/max25-bcpr/VERSION", "r");
}
if (vf) {
if (fgets(ver, sizeof(ver), vf)) {
ver[strcspn(ver, "\r\n")] = '\0';
}
fclose(vf);
}
printf("bcprd %s\n", ver);
return 0;
} else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
usage(argv[0]);
return 0;
} else {
usage(argv[0]);
return 2;
}
}
if (!cfg_path) {
usage(argv[0]);
return 2;
}
if (cal_mode != BCPR_CAL_OFF && seconds <= 0) {
seconds = 5;
}
if (bcpr_config_load(&cfg, cfg_path) != 0) {
fprintf(stderr, "max25-bcprd: cannot load %s\n", cfg_path);
return 1;
}
if (dry) {
cfg.dry_run = 1;
}
if (bcpr_runas_refuse_root(cfg.dry_run) != 0) {
return 1;
}
if (!cfg.dry_run && cal_mode == BCPR_CAL_OFF) {
fprintf(stderr,
"max25-bcprd: live SER12 requires max25-bcprd-init — "
"not this binary alone\n");
return 1;
}
{
char self[512];
ssize_t n = readlink("/proc/self/exe", self, sizeof(self) - 1);
FILE *vf = fopen("/usr/local/share/bcpr/VERSION", "r");
if (!vf) {
vf = fopen("stacks/max25-bcpr/VERSION", "r");
}
ver[0] = '\0';
if (vf) {
if (fgets(ver, sizeof(ver), vf)) {
ver[strcspn(ver, "\r\n")] = '\0';
}
fclose(vf);
}
if (n > 0) {
self[n] = '\0';
fprintf(stderr, "max25-bcprd: path=%s version=%s\n", self,
ver[0] ? ver : "0.1.0");
} else {
fprintf(stderr, "max25-bcprd: version=%s\n", ver[0] ? ver : "0.1.0");
}
}
if (cfg.dry_run) {
fprintf(stderr, "max25-bcprd: dry-run (no KISS PTY, no UART I/O)\n");
} else if (cal_mode == BCPR_CAL_OFF) {
for (i = 0; i < BCPR_MAX_DEVICES; i++) {
if (!cfg.dev[i].enabled) {
continue;
}
if (bcpr_kiss_pty_open(&ptys[npty], i, cfg.dev[i].kiss_link,
cfg.state_dir) != 0) {
while (npty > 0) {
npty--;
bcpr_kiss_pty_close(&ptys[npty]);
}
return 1;
}
npty++;
}
}
if (cal_mode != BCPR_CAL_OFF) {
static const char *cal_names[] = {"off", "high", "low", "alt"};
fprintf(stderr,
"max25-bcprd: CAL mode=%s seconds=%d (no KISS; SER12 tone+PTT)%s\n",
cal_names[cal_mode], seconds,
cfg.dry_run ? " [dry-run]" : "");
if (!cfg.dry_run) {
fprintf(stderr,
"max25-bcprd: live cal needs max25-bcprd-init for hardware access\n");
return 1;
}
}
memset(&opts, 0, sizeof(opts));
opts.dry_run = cfg.dry_run;
opts.seconds = seconds;
opts.cal_mode = cal_mode;
opts.cli_txd_bias = cli_txd_bias;
opts.cli_ptt_wd = cli_ptt_wd;
opts.cli_ptt_wd_key_ms = cli_ptt_wd_key_ms;
opts.cli_ptt_wd_pause_ms = cli_ptt_wd_pause_ms;
opts.engine_preopened = 0;
return bcpr_daemon_run(&cfg, ptys, npty, NULL, &opts);
}
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