X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Flib%2Fsyscall-legacy.hc;h=7ba077db39156f3c7b9b0e1d1a4e1c8c0b9ea580;hb=51890064608d408c64f736ab0cec78c37de19b87;hp=be8983e79052b2fe0ae852cde882816873711a9b;hpb=c53d17ebddae48cfcc4c890da4769ec33c76ada7;p=util-vserver.git diff --git a/util-vserver/lib/syscall-legacy.hc b/util-vserver/lib/syscall-legacy.hc index be8983e..7ba077d 100644 --- a/util-vserver/lib/syscall-legacy.hc +++ b/util-vserver/lib/syscall-legacy.hc @@ -50,11 +50,41 @@ static int __NR_set_ipv4root_rev2; static int __NR_set_ipv4root_rev3; static int rev_ipv4root=0; +#if (defined(__pic__) && defined(__i386)) || defined(__hppa__) +#if defined __dietlibc__ +extern long int syscall (long int __sysno, ...); +#endif + +inline static int +set_ipv4root_rev0(unsigned long ip) +{ + return syscall(__NR_set_ipv4root_rev0, ip); +} + +inline static int +set_ipv4root_rev1(unsigned long ip, unsigned long bcast) +{ + return syscall(__NR_set_ipv4root_rev1, ip, bcast); +} + +inline static int +set_ipv4root_rev2(unsigned long *ip, int nb, unsigned long bcast) +{ + return syscall(__NR_set_ipv4root_rev2, ip, nb, bcast); +} + +inline static int +set_ipv4root_rev3(unsigned long *ip, int nb, unsigned long bcast, unsigned long * mask) +{ + return syscall(__NR_set_ipv4root_rev3, ip, nb, bcast, mask); +} -static _syscall1(int, set_ipv4root_rev0, unsigned long, ip) -static _syscall2(int, set_ipv4root_rev1, unsigned long, ip, unsigned long, bcast) -static _syscall3(int, set_ipv4root_rev2, unsigned long *, ip, int, nb, unsigned long, bcast) -static _syscall4(int, set_ipv4root_rev3, unsigned long *, ip, int, nb, unsigned long, bcast, unsigned long *, mask) +#else +inline static _syscall1(int, set_ipv4root_rev0, unsigned long, ip) +inline static _syscall2(int, set_ipv4root_rev1, unsigned long, ip, unsigned long, bcast) +inline static _syscall3(int, set_ipv4root_rev2, unsigned long *, ip, int, nb, unsigned long, bcast) +inline static _syscall4(int, set_ipv4root_rev3, unsigned long *, ip, int, nb, unsigned long, bcast, unsigned long *, mask) +#endif static int def_NR_new_s_context = 273; #undef __NR_new_s_context @@ -62,8 +92,16 @@ static int __NR_new_s_context_rev0; //static int __NR_new_s_context_rev1; static int rev_s_context=0; -static _syscall3(int, new_s_context_rev0, int, newctx, int, remove_cap, int, flags) +#if defined(__pic__) && defined(__i386) +inline static int +new_s_context_rev0(int newctx, int remove_cap, int flags) +{ + return syscall(__NR_new_s_context_rev0, newctx, remove_cap, flags); +} +#else +inline static _syscall3(int, new_s_context_rev0, int, newctx, int, remove_cap, int, flags) //static _syscall4(int, new_s_context_rev1, int, nbctx, int *, ctxs, int, remove_cap, int, flags) +#endif #if 0 #undef __NR_set_ctxlimit @@ -73,12 +111,6 @@ static int rev_set_ctxlimit=-1; static _syscall2 (int, set_ctxlimit, int, resource, long, limit) #endif -#undef __NR_chrootsafe -static int __NR_chrootsafe=-1; -static int rev_chrootsafe=-1; - -static _syscall1 (int, chrootsafe, const char *, dir) - static bool is_init = false; #include "utils-legacy.h" @@ -129,16 +161,6 @@ static bool init_internal() __NR_set_ipv4root_rev3 = num; } -#if 0 - SET_TAG_POS("\n__NR_set_ctxlimit: "); - if ( pos!=0 && getNumRevPair(pos, &num, &rev_set_ctxlimit) ) - __NR_set_ctxlimit = num; -#endif - - SET_TAG_POS("\n__NR_chrootsafe: "); - if ( pos!=0 && getNumRevPair(pos, &num, &rev_chrootsafe) ) - __NR_chrootsafe = num; - SET_TAG_POS("\n__NR_new_s_context: "); if ( pos!=0 && getNumRevPair(pos, &num, &rev_s_context) ) __NR_new_s_context_rev0 = num; @@ -238,47 +260,3 @@ vc_set_ipv4root_legacy(uint32_t bcast, size_t nb, struct vc_ip_mask_pair const return vc_set_ipv4root_legacy_internal(ip, nb, bcast, mask); } - -static ALWAYSINLINE int -vc_chrootsafe_legacy (const char *dir) -{ - init(); - if (rev_chrootsafe == -1){ - vc_tell_unsafe_chroot(); - return chroot(dir); - }else if (rev_chrootsafe == 0){ - return chrootsafe (dir); - }else{ - WRITE_MSG(2, "chrootsafe: kernel supports wrong version, application expects version 0\n"); - } - errno = EINVAL; - return -1; -} - -#if 0 -/* - Return != 0 if chrootsafe is available -*/ -int has_chrootsafe() -{ - init(); - return rev_chrootsafe != -1; -} - -int call_set_ctxlimit (int res, long limit) -{ - init(); - if (rev_set_ctxlimit == -1){ - fprintf (stderr,"set_ctxlimit: Unsupported system call, update kernel\n"); - }else if (rev_set_ctxlimit == 0){ - return set_ctxlimit (res,limit); - }else{ - fprintf (stderr,"set_ctxlimit: kernel support version %d, application expects version 0\n" - ,rev_set_ctxlimit); - } - errno = EINVAL; - return -1; -} - - -#endif