diff options
Diffstat (limited to 'lib/libstand')
-rw-r--r-- | lib/libstand/Makefile | 5 | ||||
-rw-r--r-- | lib/libstand/bootp.c | 19 |
2 files changed, 16 insertions, 8 deletions
diff --git a/lib/libstand/Makefile b/lib/libstand/Makefile index 7c253c8..893ed68 100644 --- a/lib/libstand/Makefile +++ b/lib/libstand/Makefile @@ -59,8 +59,8 @@ SRCS+= ntoh.c .if ${MACHINE_CPUARCH} != "ia64" SRCS+= bcmp.c bcopy.c bzero.c ffs.c memccpy.c memchr.c memcmp.c memcpy.c \ memmove.c memset.c qdivrem.c strcat.c strchr.c strcmp.c strcpy.c \ - strcspn.c strlen.c strncat.c strncmp.c strncpy.c strpbrk.c \ - strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c + strcspn.c strlcat.c strlcpy.c strlen.c strncat.c strncmp.c strncpy.c \ + strpbrk.c strrchr.c strsep.c strspn.c strstr.c strtok.c swab.c .endif .if ${MACHINE_CPUARCH} == "arm" .PATH: ${.CURDIR}/../libc/arm/gen @@ -86,6 +86,7 @@ SRCS+= aeabi_memcmp.S aeabi_memcpy.S aeabi_memmove.S aeabi_memset.S .PATH: ${.CURDIR}/../libc/ia64/string SRCS+= bcmp.c bcopy.S bzero.S ffs.S memccpy.c memchr.c memcmp.c memcpy.S \ memmove.S memset.c strcat.c strchr.c strcmp.c strcpy.c strcspn.c \ + strlcat.c strlcpy.c \ strlen.c strncat.c strncmp.c strncpy.c strpbrk.c strrchr.c strsep.c \ strspn.c strstr.c strtok.c swab.c diff --git a/lib/libstand/bootp.c b/lib/libstand/bootp.c index 904b3ba..1af7bd5 100644 --- a/lib/libstand/bootp.c +++ b/lib/libstand/bootp.c @@ -354,6 +354,7 @@ vend_rfc1048(cp, len) u_char *ep; int size; u_char tag; + const char *val; #ifdef BOOTP_DEBUG if (debug) @@ -380,15 +381,17 @@ vend_rfc1048(cp, len) } if (tag == TAG_SWAPSERVER) { /* let it override bp_siaddr */ - bcopy(cp, &rootip.s_addr, sizeof(swapip.s_addr)); + bcopy(cp, &rootip.s_addr, sizeof(rootip.s_addr)); } if (tag == TAG_ROOTPATH) { - strncpy(rootpath, (char *)cp, sizeof(rootpath)); - rootpath[size] = '\0'; + if ((val = getenv("dhcp.root-path")) == NULL) + val = (const char *)cp; + strlcpy(rootpath, val, sizeof(rootpath)); } if (tag == TAG_HOSTNAME) { - strncpy(hostname, (char *)cp, sizeof(hostname)); - hostname[size] = '\0'; + if ((val = getenv("dhcp.host-name")) == NULL) + val = (const char *)cp; + strlcpy(hostname, val, sizeof(hostname)); } #ifdef SUPPORT_DHCP if (tag == TAG_DHCP_MSGTYPE) { @@ -730,7 +733,11 @@ setenv_(u_char *cp, u_char *ep, struct dhcp_opt *opts) sprintf(env, op->desc, opts[0].desc, tag); else sprintf(env, "%s%s", opts[0].desc, op->desc); - setenv(env, buf, 1); + /* + * Do not replace existing values in the environment, so that + * locally-obtained values can override server-provided values. + */ + setenv(env, buf, 0); } } if (tp != tags) { |