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Tue Nov 6 19:54:00 CET 2007 Jim Meyering <meyering@redhat.com>

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Avoid risk of format string abuse (also avoids gcc warnings).
        * src/util.c (ReportError): Use a literal "%s" format string.
        * src/remote_internal.c (server_error): Likewise.
        * src/qemu_conf.c (qemudReportError): Likewise.
        * acinclude.m4: Add -Wformat -Wformat-security to default
          list of warning flags, to warn about errors such as the
          above.
This commit is contained in:
Richard W.M. Jones 2007-11-07 12:29:37 +00:00
parent f2886d75e6
commit 5a628880b0
5 changed files with 16 additions and 6 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
Tue Nov 6 19:54:00 CET 2007 Jim Meyering <meyering@redhat.com>
Avoid risk of format string abuse (also avoids gcc warnings).
* src/util.c (ReportError): Use a literal "%s" format string.
* src/remote_internal.c (server_error): Likewise.
* src/qemu_conf.c (qemudReportError): Likewise.
* acinclude.m4: Add -Wformat -Wformat-security to default
list of warning flags, to warn about errors such as the
above.
Tue Nov 6 17:24:16 CET 2007 Daniel Veillard <veillard@redhat.com>
* src/xs_internals.c: patch from Chris Lalancette, forgot to

6
acinclude.m4
View File

@ -26,13 +26,13 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[
try_compiler_flags=""
;;
minimum)
try_compiler_flags="-Wall $common_flags"
try_compiler_flags="-Wall -Wformat -Wformat-security $common_flags"
;;
yes)
try_compiler_flags="-Wall -Wmissing-prototypes $common_flags"
try_compiler_flags="-Wall -Wformat -Wformat-security -Wmissing-prototypes $common_flags"
;;
maximum|error)
try_compiler_flags="-Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
try_compiler_flags="-Wall -Wformat -Wformat-security -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
try_compiler_flags="$try_compiler_flags -Wextra -Wshadow -Wcast-align -Wwrite-strings -Waggregate-return"
try_compiler_flags="$try_compiler_flags -Wstrict-prototypes -Winline -Wredundant-decls -Wno-sign-compare"
try_compiler_flags="$try_compiler_flags $common_flags"

2
src/qemu_conf.c
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@ -64,7 +64,7 @@ void qemudReportError(virConnectPtr conn,
errorMessage[0] = '\0';
}
__virRaiseError(conn, dom, net, VIR_FROM_QEMU, code, VIR_ERR_ERROR,
NULL, NULL, NULL, -1, -1, errorMessage);
NULL, NULL, NULL, -1, -1, "%s", errorMessage);
}
int qemudLoadDriverConfig(struct qemud_driver *driver,

2
src/remote_internal.c
View File

@ -3073,7 +3073,7 @@ server_error (virConnectPtr conn, remote_error *err)
err->domain, err->code, err->level,
str1, str2, str3,
err->int1, err->int2,
message);
"%s", message);
}
/* get_nonnull_domain and get_nonnull_network turn an on-wire

2
src/util.c
View File

@ -53,7 +53,7 @@ ReportError(virConnectPtr conn,
errorMessage[0] = '\0';
}
__virRaiseError(conn, dom, net, VIR_FROM_NONE, code, VIR_ERR_ERROR,
NULL, NULL, NULL, -1, -1, errorMessage);
NULL, NULL, NULL, -1, -1, "%s", errorMessage);
}
static int virSetCloseExec(int fd) {