Fix seccomp build failure on clang

Fixes

  src/libstore/build.cc:2321:45: error: non-constant-expression cannot be narrowed from type 'int' to 'scmp_datum_t' (aka 'unsigned long') in initializer list [-Wc++11-narrowing]
This commit is contained in:
Eelco Dolstra 2017-05-30 14:37:24 +02:00
parent d552d38758
commit fe08d17934
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@ -2318,15 +2318,15 @@ void setupSeccomp()
/* Prevent builders from creating setuid/setgid binaries. */ /* Prevent builders from creating setuid/setgid binaries. */
for (int perm : { S_ISUID, S_ISGID }) { for (int perm : { S_ISUID, S_ISGID }) {
if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(chmod), 1, if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(chmod), 1,
SCMP_A1(SCMP_CMP_MASKED_EQ, perm, perm)) != 0) SCMP_A1(SCMP_CMP_MASKED_EQ, (scmp_datum_t) perm, (scmp_datum_t) perm)) != 0)
throw SysError("unable to add seccomp rule"); throw SysError("unable to add seccomp rule");
if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(fchmod), 1, if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(fchmod), 1,
SCMP_A1(SCMP_CMP_MASKED_EQ, perm, perm)) != 0) SCMP_A1(SCMP_CMP_MASKED_EQ, (scmp_datum_t) perm, (scmp_datum_t) perm)) != 0)
throw SysError("unable to add seccomp rule"); throw SysError("unable to add seccomp rule");
if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(fchmodat), 1, if (seccomp_rule_add(ctx, SCMP_ACT_ERRNO(EPERM), SCMP_SYS(fchmodat), 1,
SCMP_A2(SCMP_CMP_MASKED_EQ, perm, perm)) != 0) SCMP_A2(SCMP_CMP_MASKED_EQ, (scmp_datum_t) perm, (scmp_datum_t) perm)) != 0)
throw SysError("unable to add seccomp rule"); throw SysError("unable to add seccomp rule");
} }