diff options
| author | Dag-Erling Smørgrav <des@FreeBSD.org> | 2026-05-22 14:08:07 +0000 |
|---|---|---|
| committer | Dag-Erling Smørgrav <des@FreeBSD.org> | 2026-05-22 14:08:07 +0000 |
| commit | 4dd0a17edce60370304a45f2c40251e09e193bd6 (patch) | |
| tree | f0cb0f27a9e83b56f8383265413d035ab01926c6 /compat/getentropy_linux.c | |
| parent | ec5b94f552d7cb2a9d456c67e9941bcf5e3698bf (diff) | |
Diffstat (limited to 'compat/getentropy_linux.c')
| -rw-r--r-- | compat/getentropy_linux.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compat/getentropy_linux.c b/compat/getentropy_linux.c index 82cdb78b8047..1a91c99ed50a 100644 --- a/compat/getentropy_linux.c +++ b/compat/getentropy_linux.c @@ -29,7 +29,9 @@ #include <sys/param.h> #include <sys/ioctl.h> #include <sys/resource.h> +#ifndef __QNX__ #include <sys/syscall.h> +#endif /* !__QNX__ */ #ifdef SYS__sysctl #include <linux/sysctl.h> #endif @@ -42,7 +44,9 @@ #include <stdlib.h> #include <stdint.h> #include <stdio.h> +#ifndef __QNX__ #include <link.h> +#endif /* __QNX__ */ #include <termios.h> #include <fcntl.h> #include <signal.h> @@ -60,12 +64,14 @@ #define SHA512_Final(r, c) sha512_digest(c, SHA512_DIGEST_SIZE, r) #endif +#ifndef __QNX__ #include <linux/types.h> #include <linux/random.h> #ifdef HAVE_GETAUXVAL #include <sys/auxv.h> #endif #include <sys/vfs.h> +#endif /* !__QNX__ */ #ifndef MAP_ANON #define MAP_ANON MAP_ANONYMOUS #endif @@ -94,8 +100,10 @@ static int getentropy_urandom(void *buf, size_t len); #ifdef SYS__sysctl static int getentropy_sysctl(void *buf, size_t len); #endif +#ifndef __QNX__ static int getentropy_fallback(void *buf, size_t len); static int getentropy_phdr(struct dl_phdr_info *info, size_t size, void *data); +#endif /* !__QNX__ */ int getentropy(void *buf, size_t len) @@ -178,6 +186,7 @@ getentropy(void *buf, size_t len) * sysctl ABI, or consider providing a new failsafe API which * works in a chroot or when file descriptors are exhausted. */ +#ifndef __QNX__ #undef FAIL_INSTEAD_OF_TRYING_FALLBACK #ifdef FAIL_INSTEAD_OF_TRYING_FALLBACK raise(SIGKILL); @@ -185,6 +194,9 @@ getentropy(void *buf, size_t len) ret = getentropy_fallback(buf, len); if (ret != -1) return (ret); +#else /* !__QNX__ */ + fatal_exit("failed to read from /dev/urandom"); +#endif /* __QNX__ */ errno = EIO; return (ret); @@ -214,7 +226,11 @@ getentropy_urandom(void *buf, size_t len) { struct stat st; size_t i; +#ifndef __QNX__ int fd, cnt, flags; +#else /* !__QNX__ */ + int fd, flags; +#endif /* __QNX__ */ int save_errno = errno; start: @@ -241,10 +257,12 @@ start: close(fd); goto nodevrandom; } +#ifndef __QNX__ if (ioctl(fd, RNDGETENTCNT, &cnt) == -1) { close(fd); goto nodevrandom; } +#endif /* !__QNX__ */ for (i = 0; i < len; ) { size_t wanted = len - i; ssize_t ret = read(fd, (char *)buf + i, wanted); @@ -265,6 +283,7 @@ nodevrandom: return (-1); } +#ifndef __QNX__ #ifdef SYS__sysctl static int getentropy_sysctl(void *buf, size_t len) @@ -537,3 +556,4 @@ getentropy_fallback(void *buf, size_t len) errno = save_errno; return (0); /* satisfied */ } +#endif /* !__QNX__ */ |