From: Ibtisam Tariq <ibtisam.tariq@emumba.com> To: jasvinder.singh@intel.com, cristian.dumitrescu@intel.com, radu.nicolau@intel.com, akhil.goyal@nxp.com Cc: dev@dpdk.org, Ibtisam Tariq <ibtisam.tariq@emumba.com>, piotrx.t.azarewicz@intel.com Subject: [dpdk-dev] [PATCH v3 2/3] examples/ip_pipeline: Remove the re-implementation of inet_pton Date: Thu, 9 Jul 2020 10:38:36 +0000 Message-ID: <20200709103837.12393-2-ibtisam.tariq@emumba.com> (raw) In-Reply-To: <20200709103837.12393-1-ibtisam.tariq@emumba.com> inet_pton4 and inet_pton6 was reimplemented. Replacing implementation of inet_pton4 and inet_pton6 with libc inet_pton function Bugzilla ID: 365 Fixes: ed7a0490f7e2 ("examples/ip_pipeline: add string parsing helpers") Cc: piotrx.t.azarewicz@intel.com Reported-by: David Marchand <david.marchand@redhat.com> Signed-off-by: Ibtisam Tariq <ibtisam.tariq@emumba.com> --- v3: * None v2: * Added fixed id in commit body --- examples/ip_pipeline/parser.c | 189 +--------------------------------- 1 file changed, 3 insertions(+), 186 deletions(-) diff --git a/examples/ip_pipeline/parser.c b/examples/ip_pipeline/parser.c index fb0769fe3..6ddf0bec4 100644 --- a/examples/ip_pipeline/parser.c +++ b/examples/ip_pipeline/parser.c @@ -4,25 +4,6 @@ * All rights reserved. */ -/* - * For inet_pton4() and inet_pton6() 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 <stdint.h> #include <stdlib.h> #include <stdio.h> @@ -34,6 +15,7 @@ #include <libgen.h> #include <unistd.h> #include <sys/wait.h> +#include <arpa/inet.h> #include <rte_errno.h> #include <rte_string_fns.h> @@ -348,171 +330,6 @@ parse_mpls_labels(char *string, uint32_t *labels, uint32_t *n_labels) return 0; } -#define INADDRSZ 4 -#define IN6ADDRSZ 16 - -/* 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; - - pch = strchr(digits, ch); - if (pch != 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; - - pch = strchr((xdigits = xdigits_l), ch); - if (pch == 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; -} - static struct rte_ether_addr * my_ether_aton(const char *a) { @@ -562,7 +379,7 @@ parse_ipv4_addr(const char *token, struct in_addr *ipv4) if (strlen(token) >= INET_ADDRSTRLEN) return -EINVAL; - if (inet_pton4(token, (unsigned char *)ipv4) != 1) + if (inet_pton(AF_INET, token, ipv4) != 1) return -EINVAL; return 0; @@ -574,7 +391,7 @@ parse_ipv6_addr(const char *token, struct in6_addr *ipv6) if (strlen(token) >= INET6_ADDRSTRLEN) return -EINVAL; - if (inet_pton6(token, (unsigned char *)ipv6) != 1) + if (inet_pton(AF_INET6, token, ipv6) != 1) return -EINVAL; return 0; -- 2.17.1
next prev parent reply other threads:[~2020-07-09 10:41 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-08 7:58 [dpdk-dev] [PATCH v2 1/3] drivers/net/softnic: " Ibtisam Tariq 2020-06-08 7:58 ` [dpdk-dev] [PATCH v2 2/3] examples/ip_pipeline: " Ibtisam Tariq 2020-06-08 7:58 ` [dpdk-dev] [PATCH v2 3/3] examples/ipsec-secgw: " Ibtisam Tariq 2020-06-22 12:17 ` Ananyev, Konstantin 2020-06-29 5:22 ` Ibtisam Tariq 2020-07-09 10:38 ` [dpdk-dev] [PATCH v3 1/3] drivers/net/softnic: " Ibtisam Tariq 2020-07-09 10:38 ` Ibtisam Tariq [this message] 2020-07-09 10:38 ` [dpdk-dev] [PATCH v3 3/3] examples/ipsec-secgw: " Ibtisam Tariq 2020-07-13 9:57 ` [dpdk-dev] [PATCH v4 1/3] drivers/net/softnic: Remove the re-implementation of Ibtisam Tariq 2020-07-13 9:57 ` [dpdk-dev] [PATCH v4 2/3] examples/ip_pipeline: Remove the re-implementation of inet_pton Ibtisam Tariq 2020-07-13 9:57 ` [dpdk-dev] [PATCH v4 3/3] examples/ipsec-secgw: " Ibtisam Tariq 2020-07-14 17:08 ` Ananyev, Konstantin 2020-10-23 8:52 ` David Marchand
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