diff options
Diffstat (limited to 'libc/inet/rpc')
| -rw-r--r-- | libc/inet/rpc/rcmd.c | 81 |
1 files changed, 60 insertions, 21 deletions
diff --git a/libc/inet/rpc/rcmd.c b/libc/inet/rpc/rcmd.c index a56b99ec0..20c572b45 100644 --- a/libc/inet/rpc/rcmd.c +++ b/libc/inet/rpc/rcmd.c @@ -37,16 +37,8 @@ static char sccsid[] = "@(#)rcmd.c 8.3 (Berkeley) 3/26/94"; #define __FORCE_GLIBC #include <features.h> -#include <sys/param.h> -#include <sys/poll.h> -#include <sys/socket.h> -#include <sys/stat.h> - -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <ctype.h> #define __USE_GNU +#include <ctype.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -54,11 +46,17 @@ static char sccsid[] = "@(#)rcmd.c 8.3 (Berkeley) 3/26/94"; #include <alloca.h> #include <signal.h> #include <fcntl.h> -#include <netdb.h> #include <unistd.h> #include <pwd.h> - +#include <sys/param.h> +#include <sys/poll.h> +#include <sys/socket.h> +#include <sys/stat.h> #include <netdb.h> +#include <netinet/in.h> +#include <arpa/inet.h> + + /* hmm. uClibc seems to have that, but it doesn't work for some reason */ #define getc_unlocked getc @@ -94,16 +92,22 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p) pid = getpid(); #ifdef _LIBC_REENTRANT -#error "Fix the alloca stuff" hstbuflen = 1024; +#ifdef __UCLIBC_HAS_MMU__ tmphstbuf = alloca (hstbuflen); +#else + tmphstbuf = malloc (hstbuflen); +#endif - while (__gethostbyname_r (*ahost, &hostbuf, tmphstbuf, + while (gethostbyname_r (*ahost, &hostbuf, tmphstbuf, hstbuflen, &hp, &herr) != 0 || hp == NULL) { if (herr != NETDB_INTERNAL || errno != ERANGE) { __set_h_errno (herr); +#ifndef __UCLIBC_HAS_MMU__ + free(tmphstbuf); +#endif herror(*ahost); return -1; } @@ -111,9 +115,19 @@ int rcmd(ahost, rport, locuser, remuser, cmd, fd2p) { /* Enlarge the buffer. */ hstbuflen *= 2; +#ifdef __UCLIBC_HAS_MMU__ tmphstbuf = alloca (hstbuflen); +#else + if (tmphstbuf) { + free(tmphstbuf); + } + tmphstbuf = malloc (hstbuflen); +#endif } } +#ifndef __UCLIBC_HAS_MMU__ + free(tmphstbuf); +#endif #else /* call the non-reentrant version */ if ((hp = gethostbyname(*ahost)) == NULL) { return -1; @@ -292,22 +306,38 @@ int ruserok(rhost, superuser, ruser, luser) #endif #ifdef _LIBC_REENTRANT -#error "Fix the alloca stuff!" buflen = 1024; +#ifdef __UCLIBC_HAS_MMU__ buffer = alloca (buflen); +#else + buffer = malloc (buflen); +#endif - while (__gethostbyname_r (rhost, &hostbuf, buffer, + while (gethostbyname_r (rhost, &hostbuf, buffer, buflen, &hp, &herr) != 0 || hp == NULL) { - if (herr != NETDB_INTERNAL || errno != ERANGE) + if (herr != NETDB_INTERNAL || errno != ERANGE) { +#ifndef __UCLIBC_HAS_MMU__ + free(buffer); +#endif return -1; - else + } else { /* Enlarge the buffer. */ buflen *= 2; +#ifdef __UCLIBC_HAS_MMU__ buffer = alloca (buflen); +#else + if (buffer) { + free(buffer); + } + buffer = malloc (buflen); +#endif } } +#ifndef __UCLIBC_HAS_MMU__ + free(buffer); +#endif #else if ((hp = gethostbyname(rhost)) == NULL) { return -1; @@ -402,16 +432,25 @@ iruserok2 (raddr, superuser, ruser, luser, rhost) uid_t uid; #ifdef _LIBC_REENTRANT -#error "Fix the alloca stuff" size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX); - char *buffer = alloca (buflen); struct passwd pwdbuf; +#ifdef __UCLIBC_HAS_MMU__ + char *buffer = alloca (buflen); +#else + char *buffer = malloc (buflen); +#endif - if (__getpwnam_r (luser, &pwdbuf, buffer, + if (getpwnam_r (luser, &pwdbuf, buffer, buflen, &pwd) != 0 || pwd == NULL) { +#ifndef __UCLIBC_HAS_MMU__ + free(buffer); +#endif return -1; } +#ifndef __UCLIBC_HAS_MMU__ + free(buffer); +#endif #else if ((pwd = getpwnam(luser)) == NULL) return -1; @@ -519,7 +558,7 @@ __icheckhost (raddr, lhost, rhost) buffer = malloc(buflen); save_errno = errno; - while (__gethostbyname_r (lhost, &hostbuf, buffer, buflen, &hp, &herr) + while (gethostbyname_r (lhost, &hostbuf, buffer, buflen, &hp, &herr) != 0) { free(buffer); return (0); |