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Commit a917a177 authored by Eric Vidal's avatar Eric Vidal :speech_balloon:
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less memory allocation and be more efficient

parent 758ee814
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src/lib66/parser_utils.c
+ 40
− 25
View file @ a917a177
......@@ -19,6 +19,8 @@
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <pwd.h>
#include <errno.h>
//#include <stdio.h>
#include <oblibs/bytes.h>
......@@ -59,6 +61,7 @@ int get_clean_val(keynocheck *ch) ;
int get_enum(char const *string, keynocheck *ch) ;
int get_timeout(keynocheck *ch,uint32_t *ui) ;
int get_uint(keynocheck *ch,uint32_t *ui) ;
int check_valid_runas(keynocheck *check) ;
void parse_err(int ierr,keynocheck *check) ;
int parse_line(stralloc *sa, size_t *pos) ;
int parse_bracket(stralloc *sa,size_t *pos) ;
......@@ -327,8 +330,9 @@ int get_mandatory(genalloc *nocheck,int idsec,int idkey)
key_all_t const *list = total_list ;
genalloc gatmp = GENALLOC_ZERO ;
r = 0 ;
stralloc sa = STRALLOC_ZERO ;
r = -1 ;
count = 0 ;
bkey = -1 ;
countidsec = 0 ;
......@@ -428,9 +432,13 @@ int get_mandatory(genalloc *nocheck,int idsec,int idkey)
}
if (bkey >= 0)
{
if (!clean_val(&gatmp,genalloc_s(keynocheck,nocheck)[bkey].val.s)) strerr_diefu2x(111,"parse file ",genalloc_s(keynocheck,nocheck)[bkey].val.s) ;
r = stra_cmp(&gatmp,get_keybyid(ENVIR)) ;
if ((r) && (!count))
if (!sastr_clean_string(&sa,genalloc_s(keynocheck,nocheck)[bkey].val.s))
{
VERBO3 strerr_warnwu2x("clean value of: ",sa.s) ;
return 0 ;
}
r = sastr_cmp(&sa,get_keybyid(ENVIR)) ;
if ((r >= 0) && (!count))
{
VERBO3 strerr_warnw1x("options env was asked -- section environment must be set") ;
return 0 ;
......@@ -440,9 +448,7 @@ int get_mandatory(genalloc *nocheck,int idsec,int idkey)
default: break ;
}
genalloc_deepfree(stralist,&gatmp,stra_free) ;
stralloc_free(&sa) ;
return 1 ;
}
......@@ -546,11 +552,11 @@ int keep_common(sv_alltype *service,keynocheck *nocheck,int svtype)
break ;
case NAME:
service->cname.name = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_common") ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_common:NAME") ;
break ;
case DESCRIPTION:
service->cname.description = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_common") ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_common:DESCRIPTION") ;
break ;
case OPTIONS:
if (!get_clean_val(nocheck)) return 0 ;
......@@ -630,7 +636,7 @@ int keep_common(sv_alltype *service,keynocheck *nocheck,int svtype)
char *name = chval + pos ;
size_t namelen = strlen(chval + pos) ;
service->hiercopy[idx+1] = keep.len ;
if (!stralloc_catb(&keep,name,namelen + 1)) retstralloc(0,"parse_common:hiercopy") ;
if (!stralloc_catb(&keep,name,namelen + 1)) retstralloc(0,"parse_common:HIERCOPY") ;
service->hiercopy[0] = ++idx ;
}
}
......@@ -645,7 +651,7 @@ int keep_common(sv_alltype *service,keynocheck *nocheck,int svtype)
service->cname.idga = deps.len ;
for (;pos < *chlen; pos += strlen(chval + pos)+1)
{
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_common") ;
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_common:DEPENDS") ;
service->cname.nga++ ;
}
break ;
......@@ -659,7 +665,7 @@ int keep_common(sv_alltype *service,keynocheck *nocheck,int svtype)
service->cname.idga = deps.len ;
for (;pos < *chlen; pos += strlen(chval + pos) + 1)
{
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_common") ;
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_common:CONTENTS") ;
service->cname.nga++ ;
}
break ;
......@@ -708,7 +714,7 @@ int keep_runfinish(sv_exec *exec,keynocheck *nocheck)
int r = 0 ;
size_t *chlen = &nocheck->val.len ;
char *chval = nocheck->val.s ;
switch(nocheck->idkey)
{
case BUILD:
......@@ -717,12 +723,9 @@ int keep_runfinish(sv_exec *exec,keynocheck *nocheck)
exec->build = r ;
break ;
case RUNAS:
r = scan_uid(chval,&exec->runas) ;
if (!r)
{
VERBO3 parse_err(0,nocheck) ;
return 0 ;
}
if (!check_valid_runas(nocheck)) return 0 ;
exec->runas = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_runfinish:RUNAS") ;
break ;
case SHEBANG:
if (chval[0] != '/')
......@@ -731,11 +734,11 @@ int keep_runfinish(sv_exec *exec,keynocheck *nocheck)
return 0 ;
}
exec->shebang = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) exitstralloc("parse_runfinish:stralloc:SHEBANG") ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_runfinish:SHEBANG") ;
break ;
case EXEC:
exec->exec = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) exitstralloc("parse_runfinish:stralloc:EXEC") ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_runfinish:EXEC") ;
break ;
default:
VERBO3 strerr_warnw2x("unknown key: ",get_keybyid(nocheck->idkey)) ;
......@@ -762,7 +765,7 @@ int keep_logger(sv_execlog *log,keynocheck *nocheck)
log->idga = deps.len ;
for (;pos < *chlen; pos += strlen(chval + pos) + 1)
{
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_logger") ;
if (!stralloc_catb(&deps,chval + pos,strlen(chval + pos) + 1)) retstralloc(0,"parse_logger:DEPENDS") ;
log->nga++ ;
}
break ;
......@@ -783,7 +786,7 @@ int keep_logger(sv_execlog *log,keynocheck *nocheck)
return 0 ;
}
log->destination = keep.len ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_logger") ;
if (!stralloc_catb(&keep,chval,*chlen + 1)) retstralloc(0,"parse_logger:DESTINATION") ;
break ;
case BACKUP:
if (!get_uint(nocheck,&log->backup)) return 0 ;
......@@ -967,7 +970,7 @@ int key_get_next_id(stralloc *sa, char const *string,size_t *pos)
}
newpos = get_rlen_until(string,')',newpos) ;
if (newpos == -1) goto err ;
stralloc_catb(sa,string+*pos,newpos - *pos) ;
if (!stralloc_catb(sa,string+*pos,newpos - *pos)) goto err ;
*pos = newpos + 1 ; //+1 remove the last ')'
stralloc_free(&kp) ;
return 1 ;
......@@ -1022,6 +1025,18 @@ int get_uint(keynocheck *ch,uint32_t *ui)
return 1 ;
}
int check_valid_runas(keynocheck *ch)
{
errno = 0 ;
struct passwd *pw = getpwnam(ch->val.s);
if (pw == NULL && errno)
{
VERBO3 parse_err(0,ch) ;
return 0 ;
}
return 1 ;
}
void parse_err(int ierr,keynocheck *check)
{
int idsec = check->idsec ;
......
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