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Use virBufferEscapeShell in virNetSocketNewConnectSSH

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to escape the netcat command since it's passed to the shell. Adjust
expected test case output accordingly.
This commit is contained in:
Guido Günther 2011-10-13 21:49:01 +02:00
parent 920487b36d
commit 6ac6238de3
2 changed files with 39 additions and 13 deletions
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18
src/rpc/virnetsocket.c
View File

@ -612,7 +612,10 @@ int virNetSocketNewConnectSSH(const char *nodename,
const char *path,
virNetSocketPtr *retsock)
{
char *quoted;
virCommandPtr cmd;
virBuffer buf = VIR_BUFFER_INITIALIZER;
*retsock = NULL;
cmd = virCommandNew(binary ? binary : "ssh");
@ -639,6 +642,14 @@ int virNetSocketNewConnectSSH(const char *nodename,
netcat = "nc";
virCommandAddArgList(cmd, nodename, "sh", "-c", NULL);
virBufferEscapeShell(&buf, netcat);
if (virBufferError(&buf)) {
virBufferFreeAndReset(&buf);
virReportOOMError();
return -1;
}
quoted = virBufferContentAndReset(&buf);
/*
* This ugly thing is a shell script to detect availability of
* the -q option for 'nc': debian and suse based distros need this
@ -650,14 +661,15 @@ int virNetSocketNewConnectSSH(const char *nodename,
* behavior.
*/
virCommandAddArgFormat(cmd,
"'if %s -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"'if '%s' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"%s $ARG -U %s'",
netcat, netcat, path);
"'%s' $ARG -U %s'",
quoted, quoted, path);
VIR_FREE(quoted);
return virNetSocketNewConnectCommand(cmd, retsock);
}

34
tests/virnetsockettest.c
View File

@ -496,12 +496,12 @@ mymain(void)
struct testSSHData sshData1 = {
.nodename = "somehost",
.path = "/tmp/socket",
.expectOut = "somehost sh -c 'if nc -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
.expectOut = "somehost sh -c 'if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"nc $ARG -U /tmp/socket'\n",
"'nc' $ARG -U /tmp/socket'\n",
};
if (virtTestRun("SSH test 1", 1, testSocketSSH, &sshData1) < 0)
ret = -1;
@ -515,12 +515,12 @@ mymain(void)
.noVerify = false,
.path = "/tmp/socket",
.expectOut = "-p 9000 -l fred -T -o BatchMode=yes -e none somehost sh -c '"
"if netcat -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"if 'netcat' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"netcat $ARG -U /tmp/socket'\n",
"'netcat' $ARG -U /tmp/socket'\n",
};
if (virtTestRun("SSH test 2", 1, testSocketSSH, &sshData2) < 0)
ret = -1;
@ -534,12 +534,12 @@ mymain(void)
.noVerify = true,
.path = "/tmp/socket",
.expectOut = "-p 9000 -l fred -o StrictHostKeyChecking=no somehost sh -c '"
"if netcat -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"if 'netcat' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"netcat $ARG -U /tmp/socket'\n",
"'netcat' $ARG -U /tmp/socket'\n",
};
if (virtTestRun("SSH test 3", 1, testSocketSSH, &sshData3) < 0)
ret = -1;
@ -556,12 +556,12 @@ mymain(void)
.nodename = "crashyhost",
.path = "/tmp/socket",
.expectOut = "crashyhost sh -c "
"'if nc -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"'if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"nc $ARG -U /tmp/socket'\n",
"'nc' $ARG -U /tmp/socket'\n",
.dieEarly = true,
};
if (virtTestRun("SSH test 5", 1, testSocketSSH, &sshData5) < 0)
@ -573,16 +573,30 @@ mymain(void)
.keyfile = "/root/.ssh/example_key",
.noVerify = true,
.expectOut = "-i /root/.ssh/example_key -o StrictHostKeyChecking=no example.com sh -c '"
"if nc -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"if 'nc' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"nc $ARG -U /tmp/socket'\n",
"'nc' $ARG -U /tmp/socket'\n",
};
if (virtTestRun("SSH test 6", 1, testSocketSSH, &sshData6) < 0)
ret = -1;
struct testSSHData sshData7 = {
.nodename = "somehost",
.netcat = "nc -4",
.path = "/tmp/socket",
.expectOut = "somehost sh -c 'if ''nc -4'' -q 2>&1 | grep \"requires an argument\" >/dev/null 2>&1; then "
"ARG=-q0;"
"else "
"ARG=;"
"fi;"
"''nc -4'' $ARG -U /tmp/socket'\n",
};
if (virtTestRun("SSH test 7", 1, testSocketSSH, &sshData7) < 0)
ret = -1;
#endif
return (ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);