static mem_t * create_attach_mem_node(u_char *string, int *num, int type, ngx_pool_t *p, slotmem_storage_method *storage) {
mem_t *ptr;
const u_char *storename;
ngx_int_t rv;
ptr = ngx_pcalloc(p, sizeof(mem_t));
if (!ptr) {
return NULL;
}
ptr->storage = storage;
storename = ngx_pstrcat(p, string, NODEEXE, NULL);
if (type) {
rv = ptr->storage->ap_slotmem_create(&ptr->slotmem, storename, sizeof(nodeinfo_t), *num, type, p, storage->cf, storage->ngx_http_module);
} else {
size_t size = sizeof(nodeinfo_t);
rv = ptr->storage->ap_slotmem_attach(&ptr->slotmem, storename, &size, num, p);
}
if (rv != NGX_OK) {
ptr->laststatus = rv;
return ptr;
}
ptr->laststatus = NGX_OK;
ptr->num = *num;
ptr->p = p;
return ptr;
}
static const char* process_cmd_line(void *mconfig,ngx_pool_t *p,ngx_pool_t *temp_pool,const char *l,cmd_parms *parms){
const char *args;
char *cmd_name;
const command_rec *cmd;
if (*l == '#' || *l == '\0')
return NULL;
args = ngx_resolve_env(temp_pool,l);
cmd_name = ngx_getword_conf(p,&args);
if(*cmd_name == '\0'){
return NULL;
}
cmd = modsec_find_command(cmd_name);
if(cmd) {
return invoke_cmd(cmd,parms,mconfig,args);
}
return (const char*)ngx_pstrcat(p,"Invalid cmd:",cmd_name,NULL);
}
ngx_int_t init_mem_node(mem_t *ptr, u_char *string, int *num, ngx_pool_t *p) {
const u_char *storename;
ngx_int_t rv;
if (!ptr) {
return !NGX_OK;
}
storename = ngx_pstrcat(p, string, NODEEXE, NULL);
rv = ptr->storage->ap_slotmem_init(&ptr->slotmem, storename, sizeof(nodeinfo_t), *num, p);
if (rv != NGX_OK) {
ptr->laststatus = rv;
return !NGX_OK;
}
ptr->laststatus = NGX_OK;
return NGX_OK;
}
const char* read_config(void *mconfig,ngx_pool_t *p,ngx_pool_t *ptemp,const char* filename){
ngx_configfile_t *cfp;
ngx_int_t rv;
cmd_parms parms;
parms = default_parms;
parms.pool = p;
parms.temp_pool = ptemp;
rv = ngx_pcfg_openfile(&cfp, p, filename);
if(rv!=NGX_OK){
return ngx_pstrcat(p,"Could not open configuration file: %s",filename,NULL);
}
parms.config_file = cfp;
return process_config(mconfig,&parms,p,ptemp);
}
static const char *invoke_cmd(const command_rec *cmd, cmd_parms *parms,
void *mconfig, const char *args)
{
char *w, *w2, *w3;
const char *errmsg = NULL;
parms->info = cmd->cmd_data;
parms->cmd = cmd;
switch (cmd->args_how) {
case RAW_ARGS:
return cmd->MSCRAW_ARGS(parms, mconfig, args);
case TAKE_ARGV:
{
char *argv[MAX_ARGC];
int argc = 0;
do {
w = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' && *args == '\0') {
break;
}
argv[argc] = w;
argc++;
} while (argc < MAX_ARGC && *args != '\0');
return cmd->MSCTAKE_ARGV(parms, mconfig, argc, argv);
}
case NO_ARGS:
if (*args != 0)
return ngx_pstrcat(parms->pool, cmd->name, " takes no arguments",
NULL);
return cmd->MSCNO_ARGS(parms, mconfig);
case TAKE1:
w = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name, " takes one argument",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE1(parms, mconfig, w);
case TAKE2:
w = ngx_getword_conf(parms->pool, &args);
w2 = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || *w2 == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name, " takes two arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE2(parms, mconfig, w, w2);
case TAKE12:
w = ngx_getword_conf(parms->pool, &args);
w2 = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name, " takes 1-2 arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE2(parms, mconfig, w, *w2 ? w2 : NULL);
case TAKE3:
w = ngx_getword_conf(parms->pool, &args);
w2 = ngx_getword_conf(parms->pool, &args);
w3 = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || *w2 == '\0' || *w3 == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name, " takes three arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE3(parms, mconfig, w, w2, w3);
case TAKE23:
w = ngx_getword_conf(parms->pool, &args);
w2 = ngx_getword_conf(parms->pool, &args);
w3 = *args ? ngx_getword_conf(parms->pool, &args) : NULL;
if (*w == '\0' || *w2 == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name,
" takes two or three arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE3(parms, mconfig, w, w2, w3);
case TAKE123:
w = ngx_getword_conf(parms->pool, &args);
w2 = *args ? ngx_getword_conf(parms->pool, &args) : NULL;
w3 = *args ? ngx_getword_conf(parms->pool, &args) : NULL;
if (*w == '\0' || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name,
" takes one, two or three arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE3(parms, mconfig, w, w2, w3);
case TAKE13:
w = ngx_getword_conf(parms->pool, &args);
w2 = *args ? ngx_getword_conf(parms->pool, &args) : NULL;
w3 = *args ? ngx_getword_conf(parms->pool, &args) : NULL;
if (*w == '\0' || (w2 && *w2 && !w3) || *args != 0)
return ngx_pstrcat(parms->pool, cmd->name,
" takes one or three arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
return cmd->MSCTAKE3(parms, mconfig, w, w2, w3);
case ITERATE:
w = ngx_getword_conf(parms->pool, &args);
if (*w == '\0')
return ngx_pstrcat(parms->pool, cmd->name,
" requires at least one argument",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
while (*w != '\0') {
errmsg = cmd->MSCTAKE1(parms, mconfig, w);
if (errmsg && strcmp(errmsg, DECLINE_CMD) != 0)
return errmsg;
w = ngx_getword_conf(parms->pool, &args);
}
return errmsg;
case ITERATE2:
w = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || *args == 0)
return ngx_pstrcat(parms->pool, cmd->name,
" requires at least two arguments",
cmd->errmsg ? ", " : NULL, cmd->errmsg, NULL);
while (*(w2 = ngx_getword_conf(parms->pool, &args)) != '\0') {
errmsg = cmd->MSCTAKE2(parms, mconfig, w, w2);
if (errmsg && strcmp(errmsg, DECLINE_CMD) != 0)
return errmsg;
}
return errmsg;
case FLAG:
w = ngx_getword_conf(parms->pool, &args);
if (*w == '\0' || (strcasecmp(w, "on") && strcasecmp(w, "off")))
return ngx_pstrcat(parms->pool, cmd->name, " must be On or Off",
NULL);
return cmd->MSCFLAG(parms, mconfig, strcasecmp(w, "off") != 0);
default:
return ngx_pstrcat(parms->pool, cmd->name,
" is improperly configured internally (server bug)",
NULL);
}
}
