Date: Wed, 5 Jul 2017 15:50:41 +0000 (UTC) From: Alan Somers <asomers@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r320679 - stable/11/sbin/ipfw Message-ID: <201707051550.v65FofwG072940@repo.freebsd.org>
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Author: asomers Date: Wed Jul 5 15:50:41 2017 New Revision: 320679 URL: https://svnweb.freebsd.org/changeset/base/320679 Log: MFC r319900: sbin/ipfw: strcpy, strncpy => strlcpy Reported by: Coverity CID: 1356162, 1356166 Sponsored by: Spectra Logic Corp Differential Revision: https://reviews.freebsd.org/D10662 Modified: stable/11/sbin/ipfw/dummynet.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sbin/ipfw/dummynet.c ============================================================================== --- stable/11/sbin/ipfw/dummynet.c Wed Jul 5 15:42:33 2017 (r320678) +++ stable/11/sbin/ipfw/dummynet.c Wed Jul 5 15:50:41 2017 (r320679) @@ -805,8 +805,7 @@ read_bandwidth(char *arg, int *bandwidth, char *if_nam warn("interface name truncated"); namelen--; /* interface name */ - strncpy(if_name, arg, namelen); - if_name[namelen] = '\0'; + strlcpy(if_name, arg, namelen); *bandwidth = 0; } else { /* read bandwidth value */ int bw; @@ -933,8 +932,7 @@ load_extra_delays(const char *filename, struct dn_prof } else if (!strcasecmp(name, ED_TOK_NAME)) { if (profile_name[0] != '\0') errx(ED_EFMT("duplicated token: %s"), name); - strncpy(profile_name, arg, sizeof(profile_name) - 1); - profile_name[sizeof(profile_name)-1] = '\0'; + strlcpy(profile_name, arg, sizeof(profile_name)); do_points = 0; } else if (!strcasecmp(name, ED_TOK_DELAY)) { if (do_points) @@ -1005,7 +1003,7 @@ load_extra_delays(const char *filename, struct dn_prof } p->samples_no = samples; p->loss_level = loss * samples; - strncpy(p->name, profile_name, sizeof(p->name)); + strlcpy(p->name, profile_name, sizeof(p->name)); } #ifdef NEW_AQM @@ -1568,7 +1566,8 @@ end_mask: fs->flags &= ~(DN_IS_RED|DN_IS_GENTLE_RED); fs->flags |= DN_IS_AQM; - strcpy(aqm_extra->name,av[-1]); + strlcpy(aqm_extra->name, av[-1], + sizeof(aqm_extra->name)); aqm_extra->oid.subtype = DN_AQM_PARAMS; process_extra_parms(&ac, av, aqm_extra, tok); @@ -1580,7 +1579,8 @@ end_mask: errx(EX_DATAERR, "use type before fq_codel/fq_pie"); NEED(sch, "fq_codel/fq_pie is only for schd"); - strcpy(sch_extra->name,av[-1]); + strlcpy(sch_extra->name, av[-1], + sizeof(sch_extra->name)); sch_extra->oid.subtype = DN_SCH_PARAMS; process_extra_parms(&ac, av, sch_extra, tok); break; @@ -1649,14 +1649,15 @@ end_mask: l = strlen(av[0]); if (l == 0 || l > 15) errx(1, "type %s too long\n", av[0]); - strcpy(sch->name, av[0]); + strlcpy(sch->name, av[0], sizeof(sch->name)); sch->oid.subtype = 0; /* use string */ #ifdef NEW_AQM /* if fq_codel is selected, consider all tokens after it * as parameters */ if (!strcasecmp(av[0],"fq_codel") || !strcasecmp(av[0],"fq_pie")){ - strcpy(sch_extra->name,av[0]); + strlcpy(sch_extra->name, av[0], + sizeof(sch_extra->name)); sch_extra->oid.subtype = DN_SCH_PARAMS; process_extra_parms(&ac, av, sch_extra, tok); } else {
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