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Commit1ccc245

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committed
Convert possibly-unsafe sprintf's to snprintf's.
1 parentb47c4dd commit1ccc245

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4 files changed

+28
-16
lines changed

4 files changed

+28
-16
lines changed

‎src/backend/port/dynloader/freebsd.c‎

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -63,13 +63,15 @@ void *
6363
BSD44_derived_dlopen(constchar*file,intnum)
6464
{
6565
#if defined(__mips__)
66-
sprintf(error_message,"dlopen (%s) not supported",file);
66+
snprintf(error_message,sizeof(error_message),
67+
"dlopen (%s) not supported",file);
6768
returnNULL;
6869
#else
6970
void*vp;
7071

7172
if ((vp=dlopen((char*)file,num))== (void*)NULL)
72-
sprintf(error_message,"dlopen '%s' failed. (%s)",file,dlerror());
73+
snprintf(error_message,sizeof(error_message),
74+
"dlopen '%s' failed. (%s)",file,dlerror());
7375
returnvp;
7476
#endif
7577
}
@@ -78,7 +80,8 @@ void *
7880
BSD44_derived_dlsym(void*handle,constchar*name)
7981
{
8082
#if defined(__mips__)
81-
sprintf(error_message,"dlsym (%s) failed",name);
83+
snprintf(error_message,sizeof(error_message),
84+
"dlsym (%s) failed",name);
8285
returnNULL;
8386
#else
8487
void*vp;
@@ -88,12 +91,13 @@ BSD44_derived_dlsym(void *handle, const char *name)
8891

8992
if (*name!='_')
9093
{
91-
sprintf(buf,"_%s",name);
94+
snprintf(buf,sizeof(buf),"_%s",name);
9295
name=buf;
9396
}
9497
#endif
9598
if ((vp=dlsym(handle, (char*)name))== (void*)NULL)
96-
sprintf(error_message,"dlsym (%s) failed",name);
99+
snprintf(error_message,sizeof(error_message),
100+
"dlsym (%s) failed",name);
97101
returnvp;
98102
#endif
99103
}

‎src/backend/port/dynloader/netbsd.c‎

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -63,13 +63,15 @@ void *
6363
BSD44_derived_dlopen(constchar*file,intnum)
6464
{
6565
#if defined(__mips__)
66-
sprintf(error_message,"dlopen (%s) not supported",file);
66+
snprintf(error_message,sizeof(error_message),
67+
"dlopen (%s) not supported",file);
6768
returnNULL;
6869
#else
6970
void*vp;
7071

7172
if ((vp=dlopen((char*)file,num))== (void*)NULL)
72-
sprintf(error_message,"dlopen (%s) failed",file);
73+
snprintf(error_message,sizeof(error_message),
74+
"dlopen (%s) failed",file);
7375
returnvp;
7476
#endif
7577
}
@@ -78,7 +80,8 @@ void *
7880
BSD44_derived_dlsym(void*handle,constchar*name)
7981
{
8082
#if defined(__mips__)
81-
sprintf(error_message,"dlsym (%s) failed",name);
83+
snprintf(error_message,sizeof(error_message),
84+
"dlsym (%s) failed",name);
8285
returnNULL;
8386
#elif defined(__ELF__)
8487
returndlsym(handle,name);
@@ -88,11 +91,12 @@ BSD44_derived_dlsym(void *handle, const char *name)
8891

8992
if (*name!='_')
9093
{
91-
sprintf(buf,"_%s",name);
94+
snprintf(buf,sizeof(buf),"_%s",name);
9295
name=buf;
9396
}
9497
if ((vp=dlsym(handle, (char*)name))== (void*)NULL)
95-
sprintf(error_message,"dlsym (%s) failed",name);
98+
snprintf(error_message,sizeof(error_message),
99+
"dlsym (%s) failed",name);
96100
returnvp;
97101
#endif
98102
}

‎src/backend/port/dynloader/nextstep.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -67,7 +67,7 @@ next_dlsym(void *handle, char *symbol)
6767
charsymbuf[1024];
6868
unsigned longsymref=0;
6969

70-
sprintf(symbuf,"_%s",symbol);
70+
snprintf(symbuf,sizeof(symbuf),"_%s",symbol);
7171
if (!rld_lookup(errorStream,symbuf,&symref))
7272
TransferError(errorStream);
7373
CloseError(errorStream);

‎src/backend/port/dynloader/openbsd.c‎

Lines changed: 9 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -63,13 +63,15 @@ void *
6363
BSD44_derived_dlopen(constchar*file,intnum)
6464
{
6565
#if defined(__mips__)
66-
sprintf(error_message,"dlopen (%s) not supported",file);
66+
snprintf(error_message,sizeof(error_message),
67+
"dlopen (%s) not supported",file);
6768
returnNULL;
6869
#else
6970
void*vp;
7071

7172
if ((vp=dlopen((char*)file,num))== (void*)NULL)
72-
sprintf(error_message,"dlopen (%s) failed",file);
73+
snprintf(error_message,sizeof(error_message),
74+
"dlopen (%s) failed",file);
7375
returnvp;
7476
#endif
7577
}
@@ -78,7 +80,8 @@ void *
7880
BSD44_derived_dlsym(void*handle,constchar*name)
7981
{
8082
#if defined(__mips__)
81-
sprintf(error_message,"dlsym (%s) failed",name);
83+
snprintf(error_message,sizeof(error_message),
84+
"dlsym (%s) failed",name);
8285
returnNULL;
8386
#elif defined(__ELF__)
8487
returndlsym(handle,name);
@@ -88,11 +91,12 @@ BSD44_derived_dlsym(void *handle, const char *name)
8891

8992
if (*name!='_')
9093
{
91-
sprintf(buf,"_%s",name);
94+
snprintf(buf,sizeof(buf),"_%s",name);
9295
name=buf;
9396
}
9497
if ((vp=dlsym(handle, (char*)name))== (void*)NULL)
95-
sprintf(error_message,"dlsym (%s) failed",name);
98+
snprintf(error_message,sizeof(error_message),
99+
"dlsym (%s) failed",name);
96100
returnvp;
97101
#endif
98102
}

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