X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cmdline%2Fcmdline_parse_ipaddr.c;h=6647f569fee049102c5a26c917e86d0a777f7de6;hb=b94fcf6bdf7126eda53e1ccf0e4c0fe20735bda0;hp=4b4ce7519ba726457c7769b7e8c48e661c1f1cc1;hpb=1c1d4d7a923d4804f1926fc5264f9ecdd8977b04;p=dpdk.git diff --git a/lib/librte_cmdline/cmdline_parse_ipaddr.c b/lib/librte_cmdline/cmdline_parse_ipaddr.c index 4b4ce7519b..6647f569fe 100644 --- a/lib/librte_cmdline/cmdline_parse_ipaddr.c +++ b/lib/librte_cmdline/cmdline_parse_ipaddr.c @@ -1,83 +1,9 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation. * Copyright (c) 2009, Olivier MATZ * All rights reserved. - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the University of California, Berkeley nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* - * For inet_ntop() functions: - * - * Copyright (c) 1996 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR - * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS - * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - - #include #include #include @@ -85,9 +11,14 @@ #include #include #include +#include #include #ifndef __linux__ +#ifndef __FreeBSD__ #include +#else +#include +#endif #endif #include @@ -102,207 +33,12 @@ struct cmdline_token_ops cmdline_token_ipaddr_ops = { .get_help = cmdline_get_help_ipaddr, }; -#define INADDRSZ 4 -#define IN6ADDRSZ 16 #define PREFIXMAX 128 #define V4PREFIXMAX 32 -/* - * WARNING: Don't even consider trying to compile this on a system where - * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. - */ - -static int inet_pton4(const char *src, unsigned char *dst); -static int inet_pton6(const char *src, unsigned char *dst); - -/* int - * inet_pton(af, src, dst) - * convert from presentation format (which usually means ASCII printable) - * to network format (which is usually some kind of binary format). - * return: - * 1 if the address was valid for the specified address family - * 0 if the address wasn't valid (`dst' is untouched in this case) - * -1 if some other error occurred (`dst' is untouched in this case, too) - * author: - * Paul Vixie, 1996. - */ -static int -my_inet_pton(int af, const char *src, void *dst) -{ - switch (af) { - case AF_INET: - return (inet_pton4(src, dst)); - case AF_INET6: - return (inet_pton6(src, dst)); - default: - errno = EAFNOSUPPORT; - return (-1); - } - /* NOTREACHED */ -} - -/* int - * inet_pton4(src, dst) - * like inet_aton() but without all the hexadecimal and shorthand. - * return: - * 1 if `src' is a valid dotted quad, else 0. - * notice: - * does not touch `dst' unless it's returning 1. - * author: - * Paul Vixie, 1996. - */ -static int -inet_pton4(const char *src, unsigned char *dst) -{ - static const char digits[] = "0123456789"; - int saw_digit, octets, ch; - unsigned char tmp[INADDRSZ], *tp; - - saw_digit = 0; - octets = 0; - *(tp = tmp) = 0; - while ((ch = *src++) != '\0') { - const char *pch; - - if ((pch = strchr(digits, ch)) != NULL) { - unsigned int new = *tp * 10 + (pch - digits); - - if (new > 255) - return (0); - if (! saw_digit) { - if (++octets > 4) - return (0); - saw_digit = 1; - } - *tp = (unsigned char)new; - } else if (ch == '.' && saw_digit) { - if (octets == 4) - return (0); - *++tp = 0; - saw_digit = 0; - } else - return (0); - } - if (octets < 4) - return (0); - - memcpy(dst, tmp, INADDRSZ); - return (1); -} - -/* int - * inet_pton6(src, dst) - * convert presentation level address to network order binary form. - * return: - * 1 if `src' is a valid [RFC1884 2.2] address, else 0. - * notice: - * (1) does not touch `dst' unless it's returning 1. - * (2) :: in a full address is silently ignored. - * credit: - * inspired by Mark Andrews. - * author: - * Paul Vixie, 1996. - */ -static int -inet_pton6(const char *src, unsigned char *dst) -{ - static const char xdigits_l[] = "0123456789abcdef", - xdigits_u[] = "0123456789ABCDEF"; - unsigned char tmp[IN6ADDRSZ], *tp = 0, *endp = 0, *colonp = 0; - const char *xdigits = 0, *curtok = 0; - int ch = 0, saw_xdigit = 0, count_xdigit = 0; - unsigned int val = 0; - unsigned dbloct_count = 0; - - memset((tp = tmp), '\0', IN6ADDRSZ); - endp = tp + IN6ADDRSZ; - colonp = NULL; - /* Leading :: requires some special handling. */ - if (*src == ':') - if (*++src != ':') - return (0); - curtok = src; - saw_xdigit = count_xdigit = 0; - val = 0; - - while ((ch = *src++) != '\0') { - const char *pch; - - if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) - pch = strchr((xdigits = xdigits_u), ch); - if (pch != NULL) { - if (count_xdigit >= 4) - return (0); - val <<= 4; - val |= (pch - xdigits); - if (val > 0xffff) - return (0); - saw_xdigit = 1; - count_xdigit++; - continue; - } - if (ch == ':') { - curtok = src; - if (!saw_xdigit) { - if (colonp) - return (0); - colonp = tp; - continue; - } else if (*src == '\0') { - return (0); - } - if (tp + sizeof(int16_t) > endp) - return (0); - *tp++ = (unsigned char) ((val >> 8) & 0xff); - *tp++ = (unsigned char) (val & 0xff); - saw_xdigit = 0; - count_xdigit = 0; - val = 0; - dbloct_count++; - continue; - } - if (ch == '.' && ((tp + INADDRSZ) <= endp) && - inet_pton4(curtok, tp) > 0) { - tp += INADDRSZ; - saw_xdigit = 0; - dbloct_count += 2; - break; /* '\0' was seen by inet_pton4(). */ - } - return (0); - } - if (saw_xdigit) { - if (tp + sizeof(int16_t) > endp) - return (0); - *tp++ = (unsigned char) ((val >> 8) & 0xff); - *tp++ = (unsigned char) (val & 0xff); - dbloct_count++; - } - if (colonp != NULL) { - /* if we already have 8 double octets, having a colon means error */ - if (dbloct_count == 8) - return 0; - - /* - * Since some memmove()'s erroneously fail to handle - * overlapping regions, we'll do the shift by hand. - */ - const int n = tp - colonp; - int i; - - for (i = 1; i <= n; i++) { - endp[- i] = colonp[n - i]; - colonp[n - i] = 0; - } - tp = endp; - } - if (tp != endp) - return (0); - memcpy(dst, tmp, IN6ADDRSZ); - return (1); -} - int -cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) +cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res, + unsigned ressize) { struct cmdline_token_ipaddr *tk2; unsigned int token_len = 0; @@ -311,6 +47,9 @@ cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) char *prefix, *prefix_end; long prefixlen = 0; + if (res && ressize < sizeof(cmdline_ipaddr_t)) + return -1; + if (!buf || !tk || ! *buf) return -1; @@ -323,7 +62,7 @@ cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) if (token_len >= INET6_ADDRSTRLEN+4) return -1; - rte_snprintf(ip_str, token_len+1, "%s", buf); + strlcpy(ip_str, buf, token_len + 1); /* convert the network prefix */ if (tk2->ipaddr_data.flags & CMDLINE_IPADDR_NETWORK) { @@ -345,7 +84,7 @@ cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) /* convert the IP addr */ if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V4) && - my_inet_pton(AF_INET, ip_str, &ipaddr.addr.ipv4) == 1 && + inet_pton(AF_INET, ip_str, &ipaddr.addr.ipv4) == 1 && prefixlen <= V4PREFIXMAX) { ipaddr.family = AF_INET; if (res) @@ -353,7 +92,7 @@ cmdline_parse_ipaddr(cmdline_parse_token_hdr_t *tk, const char *buf, void *res) return token_len; } if ((tk2->ipaddr_data.flags & CMDLINE_IPADDR_V6) && - my_inet_pton(AF_INET6, ip_str, &ipaddr.addr.ipv6) == 1) { + inet_pton(AF_INET6, ip_str, &ipaddr.addr.ipv6) == 1) { ipaddr.family = AF_INET6; if (res) memcpy(res, &ipaddr, sizeof(ipaddr)); @@ -375,25 +114,25 @@ int cmdline_get_help_ipaddr(cmdline_parse_token_hdr_t *tk, char *dstbuf, switch (tk2->ipaddr_data.flags) { case CMDLINE_IPADDR_V4: - rte_snprintf(dstbuf, size, "IPv4"); + snprintf(dstbuf, size, "IPv4"); break; case CMDLINE_IPADDR_V6: - rte_snprintf(dstbuf, size, "IPv6"); + snprintf(dstbuf, size, "IPv6"); break; case CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6: - rte_snprintf(dstbuf, size, "IPv4/IPv6"); + snprintf(dstbuf, size, "IPv4/IPv6"); break; case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4: - rte_snprintf(dstbuf, size, "IPv4 network"); + snprintf(dstbuf, size, "IPv4 network"); break; case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V6: - rte_snprintf(dstbuf, size, "IPv6 network"); + snprintf(dstbuf, size, "IPv6 network"); break; case CMDLINE_IPADDR_NETWORK|CMDLINE_IPADDR_V4|CMDLINE_IPADDR_V6: - rte_snprintf(dstbuf, size, "IPv4/IPv6 network"); + snprintf(dstbuf, size, "IPv4/IPv6 network"); break; default: - rte_snprintf(dstbuf, size, "IPaddr (bad flags)"); + snprintf(dstbuf, size, "IPaddr (bad flags)"); break; } return 0;