//CGI这个值得一看
int
run_cgi(struct conn *c, const char *prog)
{
struct env_block blk;
char dir[FILENAME_MAX], *p;
int ret, pair[2];
prepare_environment(c, prog, &blk);
/* CGI must be executed in its own directory */
(void) my_snprintf(dir, sizeof(dir), "%s", prog);
for (p = dir + strlen(dir) - 1; p > dir; p--)
if (*p == '/') {
*p++ = '\0';
break;
}
if (my_socketpair(c, pair) != 0) {
ret = -1;
} else if (spawn_process(c, prog, blk.buf, blk.vars, pair[1], dir)) {
ret = -1;
(void) closesocket(pair[0]);
(void) closesocket(pair[1]);
} else {
ret = 0;
c->loc.chan.sock = pair[0];
}
return (ret);
}
int main() {
FILE *file_template = fopen("template.in", "r");
FILE *file_values = fopen("values.in", "r");
char *line = NULL;
size_t len = 0;
ssize_t read;
if (file_values == NULL) {
printf("Can't open template.in file!");
return 0;
}
if (file_values == NULL) {
printf("Can't open values.in file!");
return 0;
}
while ((read = getline(&line, &len, file_values)) != -1) {
if (line[0] == '-') {
/* Regenerate enviroment and create last document */
create_document(file_template);
prepare_environment();
/* Set document number */
strcpy(document_number, get_value(line, len));
} else {
/* Save current template value on binary tree */
save_value(get_number(line), get_value(line, len), firstValue, len);
}
}
/* Create last document */
create_document(file_template);
free_memory(firstValue);
if (line) {
free(line);
}
fclose(file_template);
fclose(file_values);
return 0;
}