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#include <sys/stat.h>
#include <unistd.h>
#include "buffer.h"
#include "exit.h"
#include "fifo.h"
#include "logmsg.h"
#include "open.h"
#include "hier.h"
extern void hier();
#define WHO "install"
int fdsourcedir = -1;
void h(const char *home, int uid, int gid, int mode)
{
if (mkdir(home, 0700) == -1)
if (errno != EEXIST) logmsg(WHO, 111, FATAL, B("unable to mkdir: ", home));
if (chown(home, uid, gid) == -1) logmsg(WHO, 111, FATAL, B("unable to chown: ", home));
if (chmod(home, mode) == -1) logmsg(WHO, 111, FATAL, B("unable to chmod: ", home));
}
void d(const char *home, char *subdir, int uid, int gid, int mode)
{
if (chdir(home) == -1) logmsg(WHO, 110, FATAL, B("unable to switch to: ", home));
if (mkdir(subdir, 0700) == -1)
if (errno != EEXIST) logmsg(WHO, 111, FATAL, B("unable to mkdir: ", home, "/", subdir));
if (chown(subdir, uid, gid) == -1) logmsg(WHO, 111, FATAL, B("unable to chown: ", home, "/", subdir));
if (chmod(subdir, mode) == -1) logmsg(WHO, 111, FATAL, B("unable to chmod: ", home, "/", subdir));
}
void p(const char *home, char *fifo, int uid, int gid, int mode)
{
if (chdir(home) == -1) logmsg(WHO, 110, FATAL, B("unable to switch to: ", home));
if (fifo_make(fifo, 0700) == -1)
if (errno != EEXIST) logmsg(WHO, 111, FATAL, B("unable to mkfifo: ", home, "/", fifo));
if (chown(fifo, uid, gid) == -1) logmsg(WHO, 111, FATAL, B("unable to chown: ", home, "/", fifo));
if (chmod(fifo, mode) == -1) logmsg(WHO, 111, FATAL, B("unable to chmod: ", home, "/", fifo));
}
char inbuf[BUFFER_INSIZE];
buffer bi;
char outbuf[BUFFER_OUTSIZE];
buffer bo;
void c(const char *home, char *subdir, char *file, int uid, int gid, int mode)
{
int fdin;
int fdout;
if (fchdir(fdsourcedir) == -1) logmsg(WHO, 110, FATAL, "unable to switch back to source directory: ");
fdin = open_read(file);
if (fdin == -1) logmsg(WHO, 111, FATAL, B("unable to read: ", file));
buffer_init(&bi, read, fdin, inbuf, sizeof(inbuf));
if (chdir(home) == -1) logmsg(WHO, 110, FATAL, B("unable to switch to: ", home));
if (chdir(subdir) == -1) logmsg(WHO, 110, FATAL, B("unable to switch to: ", home, "/", subdir));
fdout = open_trunc(file);
if (fdout == -1) logmsg(WHO, 111, FATAL, B("unable to write .../", subdir, "/", file));
buffer_init(&bo, write, fdout, outbuf, sizeof(outbuf));
switch (buffer_copy(&bo, &bi)) {
case -2: logmsg(WHO, 111, FATAL, B("unable to read: ", file));
case -3: logmsg(WHO, 111, FATAL, B("unable to write .../", subdir, "/", file));
}
close(fdin);
if (buffer_flush(&bo) == -1) logmsg(WHO, 111, FATAL, B("unable to write .../", subdir, "/", file));
if (fsync(fdout) == -1) logmsg(WHO, 111, FATAL, B("unable to write .../", subdir, "/", file));
if (close(fdout) == -1) /* NFS silliness */
logmsg(WHO, 111, FATAL, B("unable to write .../", subdir, "/", file));
if (chown(file, uid, gid) == -1) logmsg(WHO, 111, FATAL, B("unable to chown .../", subdir, "/", file));
if (chmod(file, mode) == -1) logmsg(WHO, 111, FATAL, B("unable to chmod .../", subdir, "/", file));
}
void z(const char *home, char *file, int len, int uid, int gid, int mode)
{
int fdout;
if (chdir(home) == -1) logmsg(WHO, 110, FATAL, B("unable to switch to: ", home));
fdout = open_trunc(file);
if (fdout == -1) logmsg(WHO, 111, FATAL, B("unable to write: ", home, "/", file));
buffer_init(&bo, write, fdout, outbuf, sizeof(outbuf));
while (len-- > 0)
if (buffer_put(&bo, "", 1) == -1) logmsg(WHO, 111, FATAL, B("unable to write: ", home, "/", file));
if (buffer_flush(&bo) == -1) logmsg(WHO, 111, FATAL, B("unable to write: ", home, "/", file));
if (fsync(fdout) == -1) logmsg(WHO, 111, FATAL, B("unable to write: ", home, "/", file));
if (close(fdout) == -1) /* NFS silliness */
logmsg(WHO, 111, FATAL, B("unable to write: ", home, "/", file));
if (chown(file, uid, gid) == -1) logmsg(WHO, 111, FATAL, B("unable to chown: ", home, "/", file));
if (chmod(file, mode) == -1) logmsg(WHO, 111, FATAL, B("unable to chmod: ", home, "/", file));
}
int main()
{
fdsourcedir = open_read(".");
if (fdsourcedir == -1) logmsg(WHO, 110, FATAL, "unable to open current directory: ");
umask(077);
hier();
_exit(0);
}
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