src/usr.bin/ssh/readpass.c - diff

Return to readpass.c CVS log

Up to [local] / src / usr.bin / ssh

version 1.58, 2019/11/27 05:00:17

version 1.59, 2019/12/06 02:55:21

Line 55

void (*osigchld)(int);

if (fflush(stdout) != 0)

error("ssh_askpass: fflush: %s", strerror(errno));

error("%s: fflush: %s", __func__, strerror(errno));

if (askpass == NULL)

fatal("internal error: askpass undefined");

if (pipe(p) == -1) {

error("ssh_askpass: pipe: %s", strerror(errno));

error("%s: pipe: %s", __func__, strerror(errno));

return NULL;

}

osigchld = signal(SIGCHLD, SIG_DFL);

if ((pid = fork()) == -1) {

error("ssh_askpass: fork: %s", strerror(errno));

error("%s: fork: %s", __func__, strerror(errno));

signal(SIGCHLD, osigchld);

return NULL;

}

if (pid == 0) {

close(p[0]);

if (dup2(p[1], STDOUT_FILENO) == -1)

fatal("ssh_askpass: dup2: %s", strerror(errno));

fatal("%s: dup2: %s", __func__, strerror(errno));

setenv("SSH_ASKPASS_PROMPT", "confirm", 1); /* hint to UI */

execlp(askpass, askpass, msg, (char *)NULL);

fatal("ssh_askpass: exec(%s): %s", askpass, strerror(errno));

fatal("%s: exec(%s): %s", __func__, askpass, strerror(errno));

}

close(p[1]);