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/* ISC license. */
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <signal.h>
#include <skalibs/posixplz.h>
#include <skalibs/uint16.h>
#include <skalibs/uint32.h>
#include <skalibs/uint64.h>
#include <skalibs/buffer.h>
#include <skalibs/sgetopt.h>
#include <skalibs/strerr.h>
#include <skalibs/tai.h>
#include <skalibs/sig.h>
#include <skalibs/djbunix.h>
#include <skalibs/unix-timed.h>
#include <apaste/config.h>
#include "apaste-common.h"
#include "apastec.h"
#define USAGE "apastec [ -r rtimeout ] [ -w wtimeout ] file..."
#define dieusage() strerr_dieusage(100, USAGE)
static void apaste_send (buffer *b, char const *file, tain const *deadline)
{
int fd ;
struct stat st ;
size_t len = strlen(file) ;
if (!len) strerr_dief2x(100, "empty file", " names are invalid") ;
if (len > UINT16_MAX) strerr_dief2x(100, "file name too long: ", file) ;
if (len == 1 && file[0] == '-')
{
char tmp[sizeof(APASTE_TMPDIR) + 14] = APASTE_TMPDIR "/apaste:XXXXXX" ;
fd = mkstemp(tmp) ;
if (fd == -1) strerr_diefu2sys(111, "mkstemp ", tmp) ;
unlink_void(tmp) ;
if (fd_cat(0, fd) == -1) strerr_diefu2sys(111, "copy stdin to ", tmp) ;
if (lseek(fd, 0, SEEK_SET) == -1) strerr_diefu1sys(111, "lseek") ;
ndelay_on(fd) ;
}
else
{
if (file[len-1] == '/') strerr_dief2x(100, "directory", " names are invalid") ;
fd = open_read(file) ;
if (fd == -1) strerr_diefu2sys(111, "open ", file) ;
}
if (fstat(fd, &st) == -1) strerr_diefu2sys(111, "stat ", file) ;
if (!S_ISREG(st.st_mode)) strerr_dief3x(100, "file ", file, " is not a regular file") ;
{
char fmt[UINT64_FMT] ;
size_t m = uint16_fmt(fmt, len) ;
fmt[m++] = '\n' ;
if (buffer_timed_put_g(b, fmt, m, deadline) < m
|| buffer_timed_put_g(b, file, len, deadline) < len
|| buffer_timed_put_g(b, "\n", 1, deadline) < 1)
strerr_diefu1sys(111, "write to server") ;
m = uint64_fmt(fmt, st.st_size) ;
fmt[m++] = '\n' ;
if (buffer_timed_put_g(b, fmt, m, deadline) < m)
strerr_diefu1sys(111, "write to server") ;
}
send_file_g(b, fd, st.st_size, file, deadline) ;
fd_close(fd) ;
if (buffer_timed_put_g(b, "\n", 1, deadline) < 1)
strerr_diefu1sys(111, "write to server") ;
}
int main (int argc, char const *const *argv)
{
tain rtto = TAIN_INFINITE_RELATIVE, wtto = TAIN_INFINITE_RELATIVE ;
tain deadline ;
PROG = "apastec" ;
{
uint32_t rt = 0, wt = 0 ;
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "r:w:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'r' : if (!uint320_scan(l.arg, &rt)) dieusage() ; break ;
case 'w' : if (!uint320_scan(l.arg, &wt)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (rt) tain_from_millisecs(&rtto, rt) ;
if (wt) tain_from_millisecs(&rtto, wt) ;
}
if (!argc) dieusage() ;
if (argc > UINT32_MAX) strerr_dief1x(100, "too many arguments") ;
if (!sig_altignore(SIGPIPE))
strerr_diefu1sys(111, "ignore SIGPIPE") ;
tain_now_set_stopwatch_g() ;
tain_add_g(&deadline, &wtto) ;
{
char buf[BUFFER_OUTSIZE] ;
buffer b = BUFFER_INIT(&buffer_write, 7, buf, BUFFER_OUTSIZE) ;
buffer_putnoflush(&b, APASTEC_BANNER "\n", sizeof(APASTEC_BANNER)) ;
{
char fmt[UINT32_FMT] ;
size_t m = uint32_fmt(fmt, argc) ;
fmt[m++] = '\n' ;
buffer_putnoflush(&b, fmt, m) ;
}
{
int gotstdin = 0 ;
for (unsigned int i = 0 ; i < argc ; i++) if (argv[i][0] == '-' && !argv[i][1])
{
if (gotstdin) strerr_dief1x(100, "stdin specified more than once") ;
gotstdin = 1 ;
}
}
for (unsigned int i = 0 ; i < argc ; i++) apaste_send(&b, argv[i], &deadline) ;
if (buffer_timed_put_g(&b, APASTEC_BANNER "\n", sizeof(APASTEC_BANNER), &deadline) < sizeof(APASTEC_BANNER)
|| !buffer_timed_flush_g(&b, &deadline))
strerr_diefu1sys(111, "write to apaste server") ;
}
fd_shutdown(7, 1) ;
fd_close(7) ;
tain_add_g(&deadline, &rtto) ;
{
char buf[BUFFER_INSIZE] ;
char banner[256] ;
char slug[256] ;
buffer b = BUFFER_INIT(&buffer_read, 6, buf, BUFFER_INSIZE) ;
size_t w = 0, sluglen = 0 ;
if (sanitize_read(timed_getlnmax_g(&b, banner, 256, &w, '\n', &deadline)) <= 0)
strerr_diefu1sys(111, "read from apaste server") ;
if (w != sizeof(APASTED_BANNER) || memcmp(banner, APASTED_BANNER, w-1))
strerr_dief1x(1, "server returned invalid data") ;
if (sanitize_read(timed_getlnmax_g(&b, slug, 256, &sluglen, '\n', &deadline)) <= 0)
strerr_diefu1sys(111, "read from apaste server") ;
w = 0 ;
if (sanitize_read(timed_getlnmax_g(&b, banner, 256, &w, '\n', &deadline)) <= 0)
strerr_diefu1sys(111, "read from apaste server") ;
if (w != sizeof(APASTED_BANNER) || memcmp(banner, APASTED_BANNER, w-1))
strerr_dief1x(1, "server returned invalid data") ;
if (buffer_putflush(buffer_1small, slug, sluglen) == -1)
strerr_diefu1sys(111, "write to stdout") ;
}
return 0 ;
}
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