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/* $Id: pkgdb2.c,v 1.3 2004/07/02 00:17:52 judd Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <mysql.h>
#include <string.h>
typedef struct pkg {
unsigned int id;
char *name;
char *ver;
char *rel;
struct pkg *next;
} pkg_t;
MYSQL_RES *doquery(MYSQL *m, const char* q)
{
MYSQL_RES *res;
if(mysql_query(m, q)) {
fprintf(stderr, "mysql_query: %s\n", mysql_error(m));
return(NULL);
}
res = mysql_store_result(m);
return(res);
}
/* this function is ugly -- it malloc's for each string it
* returns, and they probably won't be freed by the caller.
*/
char* addslashes(const char *s) {
char slashed[8192];
char *p;
slashed[0] = '\0';
p = slashed;
while(*s) {
if(*s == '\'' || *s == '"' || *s == '\\') {
*p++ = '\\';
}
*p++ = *s++;
}
*p = '\0';
return(strdup(slashed));
}
char* trim(char *str)
{
char *pch = str;
while(isspace(*pch)) {
pch++;
}
if(pch != str) {
memmove(str, pch, (strlen(pch) + 1));
}
pch = (char*)(str + (strlen(str) - 1));
while(isspace(*pch)) {
pch--;
}
*++pch = '\0';
return str;
}
int main(int argc, char **argv)
{
MYSQL db;
MYSQL_RES *result;
MYSQL_ROW row;
char query[4096];
int repoid;
pkg_t *dblist = NULL;
pkg_t *pkglist = NULL;
pkg_t *pkgptr, *ptr;
if(argc < 2) {
printf("usage: pkgdb2 <repoid>\n");
printf("\nWARNING: Do not run this manually! It is intended to be"
" run with pkgdb1 only.\n");
return(1);
}
repoid = atoi(argv[1]);
if(mysql_init(&db) == NULL) {
fprintf(stderr, "could not initialize\n");
return(1);
}
if(mysql_real_connect(&db, "localhost", "archweb", "passwords-are-cool",
"archweb", 0, NULL, 0) == NULL) {
fprintf(stderr, "failed to connect to database: %s\n", mysql_error(&db));
return(1);
}
snprintf(query, sizeof(query), "SELECT id,pkgname,pkgver,pkgrel FROM packages "
"WHERE repoid='%d'", repoid);
result = doquery(&db, query);
while(row = mysql_fetch_row(result)) {
int i;
/*unsigned long *lengths;
lengths = mysql_fetch_lengths(result);*/
/* add the node to the list */
if(dblist == NULL) {
dblist = (pkg_t*)malloc(sizeof(pkg_t));
if(dblist == NULL) {
fprintf(stderr, "error: out of memory!\n");
return(1);
}
ptr = dblist;
} else {
ptr->next = (pkg_t*)malloc(sizeof(pkg_t));
if(ptr->next == NULL) {
fprintf(stderr, "error: out of memory!\n");
return(1);
}
ptr = ptr->next;
}
ptr->next = NULL;
/* pick out the fields */
ptr->id = atoi(row[0]);
ptr->name = strdup(row[1]);
ptr->ver = strdup(row[2]);
ptr->rel = strdup(row[3]);
}
mysql_free_result(result);
while(!feof(stdin)) {
int found = 0;
unsigned int catid = 0;
char name[256], ver[256], rel[256], desc[4096];
char cat[256], url[256], sources[4096], deplist[4096];
/* get package data from stdin */
fgets(name, 256, stdin); trim(name); if(feof(stdin)) continue;
fgets(ver, 256, stdin); trim(ver); if(feof(stdin)) continue;
fgets(rel, 256, stdin); trim(rel); if(feof(stdin)) continue;
fgets(desc, 4096, stdin); trim(desc); if(feof(stdin)) continue;
fgets(cat, 256, stdin); trim(cat); if(feof(stdin)) continue;
fgets(url, 256, stdin); trim(url); if(feof(stdin)) continue;
fgets(sources, 4096, stdin); trim(sources); if(feof(stdin)) continue;
fgets(deplist, 4096, stdin); trim(deplist); if(feof(stdin)) continue;
/* check for overruns */
if(strlen(name) > 254 || strlen(ver) >= 254 || strlen(rel) > 254 ||
strlen(desc) > 4094 || strlen(cat) >= 254 || strlen(url) > 254 ||
strlen(sources) > 4094 || strlen(deplist) > 4094) {
fprintf(stderr, "pkgdb2: one or more fields are too long in package '%s'\n", name);
fprintf(stderr, "pkgdb2: check the lengths of your strings, most are limited "
"to 255 chars, some are 4095\n");
return(1);
}
/* add the node to the list */
if(pkglist == NULL) {
pkglist = (pkg_t*)malloc(sizeof(pkg_t));
if(pkglist == NULL) {
fprintf(stderr, "error: out of memory!\n");
return(1);
}
pkgptr = pkglist;
} else {
pkgptr->next = (pkg_t*)malloc(sizeof(pkg_t));
if(pkgptr->next == NULL) {
fprintf(stderr, "error: out of memory!\n");
return(1);
}
pkgptr = pkgptr->next;
}
pkgptr->next = NULL;
pkgptr->name = strdup(name);
/* look it up in our cache */
for(ptr = dblist; ptr; ptr = ptr->next) {
if(!strcmp(name, ptr->name)) {
found = 1;
break;
}
}
/* get the category */
snprintf(query, sizeof(query),
"SELECT id FROM categories WHERE category='%s'", cat);
result = doquery(&db, query);
if(mysql_num_rows(result) == 0) {
fprintf(stderr, "pkgdb2: no db category found for '%s'\n", cat);
/*
snprintf(query, sizeof(query), "INSERT INTO categories (id,category) "
" VALUES (NULL,'%s')", addslashes(cat));
doquery(&db, query);
catid = (unsigned int)mysql_insert_id(&db);
*/
} else {
row = mysql_fetch_row(result);
catid = (unsigned int)atoi(row[0]);
}
if(!found) {
/* Insert... */
printf("pkgdb2: inserting %s\n", name);
snprintf(query, sizeof(query), "INSERT INTO packages (id,repoid,"
"categoryid,pkgname,pkgver,pkgrel,pkgdesc,url,sources,depends,"
"lastupdate) VALUES (NULL,'%d','%d','%s','%s','%s','%s',"
"'%s','%s','%s',NOW())",
repoid, catid, addslashes(name), addslashes(ver), addslashes(rel),
addslashes(desc), addslashes(url), addslashes(sources),
addslashes(deplist));
doquery(&db, query);
continue;
} else if(strcmp(ptr->ver, ver) || strcmp(ptr->rel, rel)) {
/* ...or Update */
printf("pkgdb2: updating %s (%s-%s ==> %s-%s)\n",
ptr->name, ptr->ver, ptr->rel, ver, rel);
snprintf(query, sizeof(query), "UPDATE packages SET categoryid='%d',"
"pkgname='%s',pkgver='%s',pkgrel='%s',pkgdesc='%s',url='%s',"
"sources='%s',depends='%s',needupdate=0,lastupdate=NOW() "
"WHERE id='%d'",
catid, addslashes(name), addslashes(ver), addslashes(rel),
addslashes(desc), addslashes(url), addslashes(sources),
addslashes(deplist), ptr->id);
doquery(&db, query);
snprintf(query, sizeof(query), "UPDATE todolist_pkgs SET complete=1 "
"WHERE pkgid='%d'", ptr->id);
doquery(&db, query);
}
}
/* look for delete packages */
for(ptr = dblist; ptr; ptr = ptr->next) {
int found = 0;
for(pkgptr = pkglist; pkgptr; pkgptr = pkgptr->next) {
if(!strcmp(ptr->name, pkgptr->name)) {
found = 1;
break;
}
}
if(!found) {
/* delete from db */
printf("pkgdb2: deleting %s\n", ptr->name);
snprintf(query, sizeof(query), "DELETE FROM packages WHERE id='%d'",
ptr->id);
doquery(&db, query);
snprintf(query, sizeof(query), "DELETE FROM todolist_pkgs WHERE id='%d'",
ptr->id);
doquery(&db, query);
}
}
mysql_close(&db);
return(0);
}
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