static int outfile_opendef(char *filename, char *type)
{
scamper_file_t *sf;
int flags;
mode_t mode;
char sf_mode;
int fd;
flags = O_WRONLY | O_TRUNC | O_CREAT;
sf_mode = 'w';
#ifndef _WIN32
mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
#else
mode = _S_IREAD | _S_IWRITE;
#endif
if(strcmp(filename, "-") == 0)
{
fd = STDOUT_FILENO;
}
else
{
#if defined(WITHOUT_PRIVSEP)
fd = open(filename, flags, mode);
#else
fd = scamper_privsep_open_file(filename, flags, mode);
#endif
}
if(fd == -1)
{
return -1;
}
if((sf = scamper_file_openfd(fd, filename, sf_mode, type)) == NULL)
{
close(fd);
return -1;
}
if((outfile_def = outfile_alloc(filename, sf)) == NULL)
{
scamper_file_close(sf);
return -1;
}
return 0;
}
scamper_outfile_t *scamper_outfile_openfd(char *name, int fd, char *type)
{
scamper_outfile_t *sof = NULL;
scamper_file_t *sf = NULL;
if(fd == -1 || (sf = scamper_file_openfd(fd, NULL, 'w', type)) == NULL)
return NULL;
if((sof = outfile_alloc(name, sf)) == NULL)
{
scamper_file_free(sf);
return NULL;
}
return sof;
}
int main(int argc, char *argv[])
{
uint16_t types[] = {
SCAMPER_FILE_OBJ_CYCLE_START,
SCAMPER_FILE_OBJ_CYCLE_STOP,
SCAMPER_FILE_OBJ_PING,
SCAMPER_FILE_OBJ_TRACE,
SCAMPER_FILE_OBJ_DEALIAS,
SCAMPER_FILE_OBJ_TBIT,
};
scamper_file_t *in, *out;
scamper_file_filter_t *filter;
char **files = NULL;
int filec;
uint16_t type;
void *data;
int i;
if((out = scamper_file_openfd(STDOUT_FILENO, NULL, 'w', "json")) == NULL)
{
fprintf(stderr, "could not associate stdout\n");
return -1;
}
filter = scamper_file_filter_alloc(types, sizeof(types)/sizeof(uint16_t));
if(filter == NULL)
{
fprintf(stderr, "could not allocate filter\n");
return -1;
}
filec = argc - 1;
if(filec > 0)
files = argv + 1;
for(i=0; i<=filec; i++)
{
if(filec == 0)
{
if((in = scamper_file_openfd(STDIN_FILENO,"-",'r',"warts")) == NULL)
{
fprintf(stderr, "could not use stdin\n");
return -1;
}
}
else if(i < filec)
{
if((in = scamper_file_open(files[i], 'r', NULL)) == NULL)
{
fprintf(stderr, "could not open %s: %s\n",
files[i], strerror(errno));
return -1;
}
}
else break;
while(scamper_file_read(in, filter, &type, (void *)&data) == 0)
{
if(data == NULL)
break; /* EOF */
if(scamper_file_write_obj(out, type, data) != 0)
return -1;
if(type == SCAMPER_FILE_OBJ_PING)
scamper_ping_free(data);
else if(type == SCAMPER_FILE_OBJ_TRACE)
scamper_trace_free(data);
else if(type == SCAMPER_FILE_OBJ_DEALIAS)
scamper_dealias_free(data);
else if(type == SCAMPER_FILE_OBJ_TBIT)
scamper_tbit_free(data);
}
scamper_file_close(in);
}
scamper_file_filter_free(filter);
scamper_file_close(out);
return 0;
}
scamper_outfile_t *scamper_outfile_open(char *name, char *file, char *mo)
{
scamper_outfile_t *sof;
scamper_file_t *sf;
int flags;
mode_t mode;
char sf_mode;
int fd;
#if defined(WITHOUT_PRIVSEP) && !defined(_WIN32)
uid_t uid;
#endif
if(name == NULL || file == NULL || mo == NULL)
{
return NULL;
}
if((sof = scamper_outfiles_get(name)) != NULL)
{
return NULL;
}
if(strcasecmp(mo, "append") == 0)
{
flags = O_RDWR | O_APPEND | O_CREAT;
sf_mode = 'a';
}
else if(strcasecmp(mo, "truncate") == 0)
{
flags = O_WRONLY | O_TRUNC | O_CREAT;
sf_mode = 'w';
}
else
{
return NULL;
}
#ifndef _WIN32
mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
#else
mode = _S_IREAD | _S_IWRITE;
#endif
#if defined(WITHOUT_PRIVSEP)
fd = open(file, flags, mode);
#else
fd = scamper_privsep_open_file(file, flags, mode);
#endif
/* make sure the fd is valid, otherwise bail */
if(fd == -1)
{
return NULL;
}
#if defined(WITHOUT_PRIVSEP) && !defined(_WIN32)
if((uid = getuid()) != geteuid() && fchown(fd, uid, -1) != 0)
{
printerror(errno, strerror, __func__, "could not fchown");
}
#endif
if((sf = scamper_file_openfd(fd, file, sf_mode, "warts")) == NULL)
{
close(fd);
return NULL;
}
if((sof = outfile_alloc(name, sf)) == NULL)
{
scamper_file_close(sf);
return NULL;
}
return sof;
}
static int check_options(int argc, char *argv[])
{
char ch;
int i;
char *opts = "o:s?";
char *opt_outfile = NULL;
while((i = getopt(argc, argv, opts)) != -1)
{
ch = (char)i;
switch(ch)
{
case 'o':
options |= OPT_OUTFILE;
opt_outfile = optarg;
break;
case 's':
options |= OPT_SORT;
break;
case '?':
default:
usage(argv[0], 0xffffffff);
return -1;
}
}
/* figure out how many input files there are to process */
if((infile_cnt = argc - optind) < 1)
{
usage(argv[0], 0);
return -1;
}
if((infiles = malloc(sizeof(scamper_file_t *) * infile_cnt)) == NULL)
{
return -1;
}
memset(infiles, 0, sizeof(scamper_file_t *) * infile_cnt);
/* open each input file */
for(i=0; i<infile_cnt; i++)
{
if((infiles[i] = scamper_file_open(argv[optind+i], 'r', NULL)) == NULL)
{
usage(argv[0], 0);
fprintf(stderr, "could not open infile %s\n", argv[optind+i]);
return -1;
}
}
/* open the output file, which is a regular file */
if(options & OPT_OUTFILE)
{
if((outfile = scamper_file_open(opt_outfile, 'a', "warts")) == NULL)
{
usage(argv[0], OPT_OUTFILE);
return -1;
}
}
else
{
/* writing to stdout; don't dump a binary structure to a tty. */
if(isatty(1) != 0)
{
fprintf(stderr, "not going to dump warts to a tty, sorry\n");
return -1;
}
if((outfile = scamper_file_openfd(1, "-", 'w', "warts")) == NULL)
{
fprintf(stderr, "could not wrap scamper_file around stdout\n");
return -1;
}
}
return 0;
}
