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#include <err.h>
#include <sqlite3.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cforum.h"
#define MAXMSG 300
int
main(int argc, char *argv[])
{
char *delete, *home, *k, msg[MAXMSG], *new, *ssecret, *v;
int attid, postid, suser, userid;
struct session *session;
sqlite3_stmt *stmt;
/*
* The database is opened or a server error is generated.
* In the rest of the program, the database is always
* assumed to be opened.
*/
if(sqlite3_open("db", &db) != SQLITE_OK){
snprintf(msg, MAXMSG,
"The database could not be opened: %s\n",
sqlite3_errmsg(db));
srverr(msg);
sqlite3_close(db);
return 1;
}
/*
* The site name is retrieved from the database. This early on,
* it is appropriate to die with a server error on failure.
*/
if(sqlite3_prepare(db,
"SELECT value FROM settings WHERE key = 'name'",
-1, &stmt, 0) != SQLITE_OK){
snprintf(msg, MAXMSG,
"The site name could not be retrieved: %s\n",
sqlite3_errmsg(db));
srverr(msg);
sqlite3_close(db);
return 1;
}
if(sqlite3_step(stmt) == SQLITE_ROW)
site.name = strdup((char *)sqlite3_column_text(stmt, 0));
else{
snprintf(msg, MAXMSG, "The site name is not set.\n");
srverr(msg);
sqlite3_finalize(stmt);
sqlite3_close(db);
return 1;
}
sqlite3_finalize(stmt);
/*
* The global struct query is set, or the program dies.
* From now on, query is assumed to be set.
*/
setquery();
/* Check session. */
curuser = NULL;
ssecret = NULL;
suser = -1;
while(k = nextcookie(MAXCOOKIE+20)){
v = split(k);
if(!ssecret && strcmp(k, "session") == 0) ssecret = strdup(v);
else if(suser == -1 && strcmp(k, "user") == 0) suser = atoi(v);
}
if(sqlite3_prepare(db,
"SELECT oid, * FROM sessions WHERE user = ? AND string = ?",
-1, &stmt, 0) != SQLITE_OK)
goto skip;
if(sqlite3_bind_int(stmt, 1, suser) != SQLITE_OK)
goto skip;
if(sqlite3_bind_text(stmt, 2, ssecret, -1, SQLITE_STATIC) != SQLITE_OK)
goto skip;
if(!(session = getsession(stmt)))
goto skip;
/* Session is valid. */
cursession = session;
curuser = getuser(selectbyint("users", "oid", suser));
skip:
/* Handle empty request. */
if(!*query.string){
showfront();
goto end;
}
/* Parse query string. */
new = delete = NULL;
attid = postid = userid = 0;
while(k = nextparam(GET, NULL, 128)){
v = split(k);
if(!attid && strcmp(k, "att") == 0) attid = atoi(v);
else if(!postid && strcmp(k, "post") == 0) postid = atoi(v);
else if(!userid && strcmp(k, "user") == 0) userid = atoi(v);
else if(!new && strcmp(k, "new") == 0) new = strdup(v);
else if(!delete && strcmp(k,"delete") == 0) delete = strdup(v);
}
/* Handle request. */
if(attid)
showatt(attid);
else if(postid)
showpost(postid);
else if(userid)
showuser(userid);
else if(new){
if(strcmp(v, "att") == 0) newatt();
else if(strcmp(v, "post") == 0) newpost();
else if(strcmp(v, "user") == 0) newuser();
else if(strcmp(v, "session") == 0) newsession();
else showfront(); /* TODO */
}
else if(delete){
if(strcmp(v, "session") == 0){
if(cursession)
deletesession(cursession);
home = getenv("REQUEST_URI");
home[strcspn(home, "?")] = 0;
printf("Status: 303 See Other\n");
printf("Location: %s\n\n", home);
}
}else
showfront();
end:
sqlite3_close(db);
return 0;
}
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