Blame patches/libbsd-0.8.7.local.patch

Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
diff -Nru libbsd-0.8.7.orig/include/bsd/stdlib.h libbsd-0.8.7/include/bsd/stdlib.h
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/include/bsd/stdlib.h	2017-08-05 13:20:00.000000000 +0200
Lucio Andrés Illanes Albornoz (arab, vxp) df5175
+++ libbsd-0.8.7/include/bsd/stdlib.h	2018-04-27 21:18:23.074047191 +0200
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@@ -67,7 +67,7 @@
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                const unsigned char *table, unsigned endbyte);
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 void *reallocf(void *ptr, size_t size);
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-#if defined(_GNU_SOURCE) && defined(__GLIBC__) && !__GLIBC_PREREQ(2, 26)
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+#if defined(_GNU_SOURCE)
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 void *reallocarray(void *ptr, size_t nmemb, size_t size);
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 #endif
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diff -Nru libbsd-0.8.7.orig/include/bsd/string.h libbsd-0.8.7/include/bsd/string.h
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/include/bsd/string.h	2017-08-05 13:20:54.000000000 +0200
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+++ libbsd-0.8.7/include/bsd/string.h	2018-04-27 21:18:02.670455792 +0200
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@@ -42,7 +42,7 @@
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 char *strnstr(const char *str, const char *find, size_t str_len);
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 void strmode(mode_t mode, char *str);
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Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
-#if defined(_GNU_SOURCE) && defined(__GLIBC__) && !__GLIBC_PREREQ(2, 25)
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+#if defined(_GNU_SOURCE)
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 void explicit_bzero(void *buf, size_t len);
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 #endif
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 __END_DECLS
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diff -Nru libbsd-0.8.7.orig/src/getentropy.c libbsd-0.8.7/src/getentropy.c
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/src/getentropy.c	2017-06-06 04:21:24.000000000 +0200
Lucio Andrés Illanes Albornoz (arab, vxp) df5175
+++ libbsd-0.8.7/src/getentropy.c	2018-04-27 21:09:29.121945744 +0200
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@@ -40,6 +40,8 @@
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 #include "getentropy_aix.c"
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 #elif defined(__hpux)
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 #include "getentropy_hpux.c"
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+#elif defined(__midipix__) /* temporary - no native getentropy() yet */
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+#include "getentropy_midipix.c"
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 #else
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 #error "No getentropy hooks defined for this platform."
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 #endif
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diff -Nru libbsd-0.8.7.orig/src/getentropy_midipix.c libbsd-0.8.7/src/getentropy_midipix.c
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/src/getentropy_midipix.c	1970-01-01 01:00:00.000000000 +0100
Lucio Andrés Illanes Albornoz (arab, vxp) df5175
+++ libbsd-0.8.7/src/getentropy_midipix.c	2018-04-27 21:11:22.917696342 +0200
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@@ -0,0 +1,118 @@
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+/* Temporary copy-paste from getentropy_linux.c until we get a native getentropy() implementation */
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+
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+
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+#define _POSIX_C_SOURCE 199309L
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+#define _GNU_SOURCE     1
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+#include <sys/types.h>
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+#include <sys/param.h>
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+#include <sys/ioctl.h>
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+#include <sys/resource.h>
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+#include <sys/syscall.h>
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+#include <sys/statvfs.h>
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+#include <sys/socket.h>
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+#include <sys/mount.h>
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+#include <sys/mman.h>
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+#include <sys/stat.h>
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+#include <sys/time.h>
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+#include <stdlib.h>
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+#include <stdint.h>
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+#include <stdio.h>
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+#include <link.h>
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+#include <termios.h>
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+#include <fcntl.h>
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+#include <signal.h>
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+#include <string.h>
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+#include <errno.h>
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+#include <unistd.h>
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+#include <time.h>
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+
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+int     getentropy(void *buf, size_t len);
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+
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+static int gotdata(char *buf, size_t len);
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+static int getentropy_urandom(void *buf, size_t len);
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+
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+int
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+getentropy(void *buf, size_t len)
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+{
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+        int ret = -1;
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+
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+        if (len > 256) {
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+                errno = EIO;
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+                return (-1);
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+        }
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+
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+        ret = getentropy_urandom(buf, len);
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+        if (ret != -1)
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+                return (ret);
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+
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+	/* Oh well! */
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+	raise(SIGKILL);
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+	return -1;
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+}
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+
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+static int
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+gotdata(char *buf, size_t len)
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+{
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+        char    any_set = 0;
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+        size_t  i;
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+
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+        for (i = 0; i < len; ++i)
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+                any_set |= buf[i];
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+        if (any_set == 0)
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+                return (-1);
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+        return (0);
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+}
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+
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+static int
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+getentropy_urandom(void *buf, size_t len)
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+{
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+        struct stat st;
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+        size_t i;
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+        int fd, cnt, flags;
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+        int save_errno = errno;
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+
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+start:
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+        flags = O_RDONLY;
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+#ifdef O_NOFOLLOW
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+        flags |= O_NOFOLLOW;
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+#endif
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+#ifdef O_CLOEXEC
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+        flags |= O_CLOEXEC;
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+#endif
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+        fd = open("/dev/urandom", flags, 0);
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+        if (fd == -1) {
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+                if (errno == EINTR)
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+                        goto start;
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+                goto nodevrandom;
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+        }
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+#ifndef O_CLOEXEC
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+        fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
+#endif
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+
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+        /* Lightly verify that the device node looks sane */
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+        if (fstat(fd, &st) == -1 || !S_ISCHR(st.st_mode)) {
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+                close(fd);
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+                goto nodevrandom;
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+        }
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+        for (i = 0; i < len; ) {
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+                size_t wanted = len - i;
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+                ssize_t ret = read(fd, (char *)buf + i, wanted);
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+
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+                if (ret == -1) {
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+                        if (errno == EAGAIN || errno == EINTR)
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+                                continue;
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+                        close(fd);
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+                        goto nodevrandom;
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+                }
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+                i += ret;
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+        }
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+        close(fd);
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+        if (gotdata(buf, len) == 0) {
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+                errno = save_errno;
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+                return (0);             /* satisfied */
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+        }
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+nodevrandom:
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+        errno = EIO;
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+        return (-1);
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+}
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
diff -Nru libbsd-0.8.7.orig/src/getpeereid.c libbsd-0.8.7/src/getpeereid.c
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/src/getpeereid.c	2017-06-06 04:06:45.000000000 +0200
Lucio Andrés Illanes Albornoz (arab, vxp) df5175
+++ libbsd-0.8.7/src/getpeereid.c	2018-04-27 21:11:49.277638606 +0200
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
@@ -40,7 +40,7 @@
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 getpeereid(int s, uid_t *euid, gid_t *egid)
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 {
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 /* XXX: This should be autodetected at build time instead. */
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
-#if defined(__linux__)
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+#if defined(__linux__) || defined(__midipix__)
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 	struct ucred cred;
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 #elif defined(__OpenBSD__)
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 	struct sockpeercred cred;
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
diff -Nru libbsd-0.8.7.orig/src/setproctitle.c libbsd-0.8.7/src/setproctitle.c
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
--- libbsd-0.8.7.orig/src/setproctitle.c	2017-07-17 00:47:19.000000000 +0200
Lucio Andrés Illanes Albornoz (arab, vxp) df5175
+++ libbsd-0.8.7/src/setproctitle.c	2018-04-27 21:12:24.521561430 +0200
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@@ -280,6 +280,7 @@
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 		*++nul = '\0';
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 	}
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 }
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+#ifndef __midipix__
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 __asm__(".symver setproctitle_impl,setproctitle@@LIBBSD_0.5");
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 /* The original function introduced in 0.2 was a stub, it only got implemented
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@@ -293,3 +294,4 @@
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 	__attribute__((alias("setproctitle_impl")));
Lucio Andrés Illanes Albornoz (arab, vxp) 98bbb0
 #endif
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 __asm__(".symver setproctitle_stub,setproctitle@LIBBSD_0.2");
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+#endif