src/usr.bin/cu/cu.c - diff

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Diff for /src/usr.bin/cu/cu.c between version 1.28 and 1.29

version 1.28, 2019/06/28 13:35:00

version 1.29, 2023/10/02 14:48:11

Line 16

* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

#include <sys/types.h>

#include <sys/ioctl.h>

#include <sys/sysctl.h>

#include <ctype.h>

#include <err.h>

#include <errno.h>

#include <event.h>

#include <fcntl.h>

#include <getopt.h>

Line 64

Line 67

void line_read(struct bufferevent *, void *);

void line_error(struct bufferevent *, short, void *);

void try_remote(const char *, const char *, const char *);

char *get_ucomnames(void);

char *find_ucom(const char *, char *);

__dead void

usage(void)

Line 78

Line 83

main(int argc, char **argv)

{

const char *errstr;

char *tmp, *s, *host;

char *tmp, *s, *host, *ucomnames;

int opt, i, flags;

ucomnames = get_ucomnames();

if (pledge("stdio rpath wpath cpath getpw proc exec tty",

NULL) == -1)

err(1, "pledge");

Line 166

Line 173

if (is_direct == -1)

is_direct = 0;

if (strncasecmp(line_path, "usb", 3) == 0) {

tmp = find_ucom(line_path, ucomnames);

if (tmp == NULL)

errx(1, "No ucom matched '%s'", line_path);

line_path = tmp;

}

if (strchr(line_path, '/') == NULL) {

if (asprintf(&tmp, "%s%s", _PATH_DEV, line_path) == -1)

err(1, "asprintf");

Line 460

Line 473

if (out == NULL)

cu_err(1, "strdup");

return (out);

}

char *

get_ucomnames(void)

{

char *names;

int mib[2];

size_t size;

mib[0] = CTL_HW;

mib[1] = HW_UCOMNAMES;

names = NULL;

size = 0;

for (;;) {

if (sysctl(mib, 2, NULL, &size, NULL, 0) == -1 || size == 0)

err(1, "hw.ucomnames");

if ((names = realloc(names, size)) == NULL)

err(1, NULL);

if (sysctl(mib, 2, names, &size, NULL, 0) != -1)

break;

if (errno != ENOMEM)

err(1, "hw.ucomnames");

}

return names;

}

char *

find_ucom(const char *usbid, char *names)

{

char *cua, *id, *ucom;

if (names == NULL)

return NULL;

/* names is a comma separated list of "ucom<unit#>-<usb id>". */

cua = NULL;

for (ucom = strsep(&names, ","); ucom; ucom = strsep(&names, ",")) {

if (*ucom == '\0' || strncasecmp(ucom, "ucom", 4))

continue;

ucom += 4;

id = strchr(ucom, ':');

if (id == NULL)

continue;

*id++ = '\0';

if (strcasecmp(id, usbid) == 0) {

if (asprintf(&cua, "cuaU%s", ucom) == -1)

err(1, NULL);

break;

}

return cua;

}