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sbin/ipfw: strcpy, strncpy => strlcpy

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Reported by:	Coverity
CID:		1356162, 1356166
MFC after:	3 weeks
Sponsored by:	Spectra Logic Corp
Differential Revision:	https://reviews.freebsd.org/D10662
This commit is contained in:
Alan Somers 2017-06-13 14:57:48 +00:00
parent ce97f69621
commit 92b66dbe4d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=319900
1 changed files with 10 additions and 9 deletions
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19
sbin/ipfw/dummynet.c
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@ -805,8 +805,7 @@ read_bandwidth(char *arg, int *bandwidth, char *if_name, int namelen)
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_profile *p,
} 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_profile *p,
}
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 @@ ipfw_config_pipe(int ac, char **av)
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 @@ ipfw_config_pipe(int ac, char **av)
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 @@ ipfw_config_pipe(int ac, char **av)
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 {