Bug Summary

File:s/cmd/tests/remtest.c
Warning:line 60, column 25
Potential leak of memory pointed to by 'tokenName'

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name remtest.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/var/lib/jenkins/workspace/nss-scan-build/nss/cmd/tests -ffunction-sections -fdata-sections -fcoverage-compilation-dir=/var/lib/jenkins/workspace/nss-scan-build/nss/cmd/tests -resource-dir /usr/lib/llvm-18/lib/clang/18 -D HAVE_STRERROR -D LINUX -D linux -D XP_UNIX -D XP_UNIX -D DEBUG -U NDEBUG -D _DEFAULT_SOURCE -D _BSD_SOURCE -D _POSIX_SOURCE -D SDB_MEASURE_USE_TEMP_DIR -D _REENTRANT -D DEBUG -U NDEBUG -D _DEFAULT_SOURCE -D _BSD_SOURCE -D _POSIX_SOURCE -D SDB_MEASURE_USE_TEMP_DIR -D _REENTRANT -D NSS_DISABLE_SSE3 -D NSS_NO_INIT_SUPPORT -D USE_UTIL_DIRECTLY -D NO_NSPR_10_SUPPORT -D SSL_DISABLE_DEPRECATED_CIPHER_SUITE_NAMES -I ../../../dist/Linux4.19_x86_64_gcc_glibc_PTH_64_DBG.OBJ/include -I ../../../dist/public/nss -I ../../../dist/private/nss -I ../../../dist/public/seccmd -I ../../../dist/public/dbm -internal-isystem /usr/lib/llvm-18/lib/clang/18/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -std=c99 -ferror-limit 19 -fgnuc-version=4.2.1 -analyzer-output=html -analyzer-config stable-report-filename=true -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2024-05-18-082241-28900-1 -x c remtest.c
1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5/*
6**
7** Sample client side test program that uses SSL and NSS
8**
9*/
10
11#include "secutil.h"
12
13#if defined(XP_UNIX1)
14#include <unistd.h>
15#else
16#include "ctype.h" /* for isalpha() */
17#endif
18
19#include <stdio.h>
20#include <string.h>
21#include <stdlib.h>
22#include <errno(*__errno_location ()).h>
23#include <fcntl.h>
24#include <stdarg.h>
25
26#include "nspr.h"
27#include "prio.h"
28#include "prnetdb.h"
29#include "nss.h"
30#include "pk11func.h"
31#include "plgetopt.h"
32
33void
34Usage(char *progName)
35{
36 fprintf(stderrstderr, "usage: %s [-d profiledir] -t tokenName [-r]\n", progName);
37 exit(1);
38}
39
40int
41main(int argc, char **argv)
42{
43 char *certDir = NULL((void*)0);
44 PLOptState *optstate;
45 PLOptStatus optstatus;
46 SECStatus rv;
47 char *tokenName = NULL((void*)0);
48 PRBool cont = PR_TRUE1;
49 PK11TokenEvent event = PK11TokenPresentEvent;
50 PK11TokenStatus status;
51 char *progName;
52 PK11SlotInfo *slot;
53
54 progName = strrchr(argv[0], '/');
55 if (!progName)
1
Assuming 'progName' is non-null
→
56 progName = strrchr(argv[0], '\\');
57 progName = progName
2.1
'progName' is non-null
 ? progName + 1 : argv[0];
2
←
Taking false branch
→
3
←
'?' condition is true
→
58
59 optstate = PL_CreateOptState(argc, argv, "rd:t:");
60 while ((optstatus = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
4
←
Assuming the condition is true
→
5
←
Loop condition is true. Entering loop body
→
8
←
 Execution continues on line 60
→
9
←
Assuming the condition is true
→
10
←
Loop condition is true. Entering loop body
→
12
←
 Execution continues on line 60
→
13
←
Potential leak of memory pointed to by 'tokenName'
61 switch (optstate->option) {
6
←
Control jumps to 'case 116:' at line 67
→
11
←
Control jumps to 'case 116:' at line 67
→
62
63 case 'd':
64 certDir = strdup(optstate->value);
65 certDir = SECU_ConfigDirectory(certDir);
66 break;
67 case 't':
68 tokenName = strdup(optstate->value);
7
←
Memory is allocated
→
69 break;
70 case 'r':
71 event = PK11TokenRemovedOrChangedEvent;
72 break;
73 }
74 }
75 if (optstatus == PL_OPT_BAD)
76 Usage(progName);
77
78 if (tokenName == NULL((void*)0)) {
79 Usage(progName);
80 }
81
82 if (!certDir) {
83 certDir = SECU_DefaultSSLDir(); /* Look in $SSL_DIR */
84 certDir = SECU_ConfigDirectory(certDir); /* call even if it's NULL */
85 }
86
87 PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
88
89 PK11_SetPasswordFunc(SECU_GetModulePassword);
90
91 /* open the cert DB, the key DB, and the secmod DB. */
92 rv = NSS_Init(certDir);
93 if (rv != SECSuccess) {
94 SECU_PrintError(progName, "unable to open cert database");
95 return 1;
96 }
97
98 printf("Looking up tokenNamed: <%s>\n", tokenName);
99 slot = PK11_FindSlotByName(tokenName);
100 if (slot == NULL((void*)0)) {
101 SECU_PrintError(progName, "unable to find token");
102 return 1;
103 }
104
105 do {
106 status =
107 PK11_WaitForTokenEvent(slot, event, PR_INTERVAL_NO_TIMEOUT0xffffffffUL, 0, 0);
108
109 switch (status) {
110 case PK11TokenNotRemovable:
111 cont = PR_FALSE0;
112 printf("%s Token Not Removable\n", tokenName);
113 break;
114 case PK11TokenChanged:
115 event = PK11TokenRemovedOrChangedEvent;
116 printf("%s Token Changed\n", tokenName);
117 break;
118 case PK11TokenRemoved:
119 event = PK11TokenPresentEvent;
120 printf("%s Token Removed\n", tokenName);
121 break;
122 case PK11TokenPresent:
123 event = PK11TokenRemovedOrChangedEvent;
124 printf("%s Token Present\n", tokenName);
125 break;
126 }
127 } while (cont);
128
129 PK11_FreeSlot(slot);
130
131 if (NSS_Shutdown() != SECSuccess) {
132 exit(1);
133 }
134 PR_Cleanup();
135 return 0;
136}