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Lines 28-33
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| 28 |
#include <dlfcn.h> |
28 |
#include <dlfcn.h> |
| 29 |
#include <unistd.h> |
29 |
#include <unistd.h> |
| 30 |
#include <errno.h> |
30 |
#include <errno.h> |
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31 |
#include <sys/types.h> |
| 32 |
#include <sys/wait.h> |
| 31 |
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33 |
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| 32 |
#include <X11/X.h> |
34 |
#include <X11/X.h> |
| 33 |
#include <X11/Xlib.h> |
35 |
#include <X11/Xlib.h> |
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Lines 3199-3232
int main(int argc, char **argv)
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| 3199 |
--argc; |
3201 |
--argc; |
| 3200 |
} |
3202 |
} |
| 3201 |
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3203 |
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3204 |
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| 3202 |
// Open plug-in and get exported lib functions |
3205 |
// Open plug-in and get exported lib functions |
| 3203 |
void *handle = NULL; |
3206 |
void *handle = NULL; |
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3207 |
#define EXIT_TRUE 0 |
| 3208 |
#define EXIT_FALSE 1 |
| 3209 |
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| 3204 |
if (plugin_path == NULL) |
3210 |
if (plugin_path == NULL) |
| 3205 |
cmd = CMD_HELP; |
3211 |
cmd = CMD_HELP; |
| 3206 |
else { |
3212 |
else { |
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|
3213 |
pid_t pid; |
| 3207 |
const char *error; |
3214 |
const char *error; |
| 3208 |
D(bug(" %s\n", plugin_path)); |
3215 |
D(bug(" %s\n", plugin_path)); |
| 3209 |
if ((handle = dlopen(plugin_path, RTLD_LAZY)) == NULL) { |
3216 |
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| 3210 |
npw_printf("ERROR: %s\n", dlerror()); |
3217 |
/* test opening the libary in a child process to prevent a dodgy libary crashing app */ |
| 3211 |
return 1; |
3218 |
if(0 > (pid = fork())) |
| 3212 |
} |
3219 |
return 1; |
| 3213 |
dlerror(); |
3220 |
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| 3214 |
g_plugin_NP_GetMIMEDescription = (NP_GetMIMEDescriptionUPP)dlsym(handle, "NP_GetMIMEDescription"); |
3221 |
/* IN Child */ |
| 3215 |
if ((error = dlerror()) != NULL) { |
3222 |
if(!pid) { |
| 3216 |
npw_printf("ERROR: %s\n", error); |
3223 |
/* this line may throw SIGSEGV */ |
| 3217 |
return 1; |
3224 |
if(NULL == (handle = dlopen(plugin_path, RTLD_LAZY))) |
| 3218 |
} |
3225 |
exit(EXIT_FALSE); |
| 3219 |
g_plugin_NP_Initialize = (NP_InitializeUPP)dlsym(handle, "NP_Initialize"); |
3226 |
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| 3220 |
if ((error = dlerror()) != NULL) { |
3227 |
dlclose(handle); |
| 3221 |
npw_printf("ERROR: %s\n", error); |
3228 |
exit(EXIT_TRUE ); |
| 3222 |
return 1; |
3229 |
} |
| 3223 |
} |
3230 |
else { |
| 3224 |
g_plugin_NP_Shutdown = (NP_ShutdownUPP)dlsym(handle, "NP_Shutdown"); |
3231 |
/* parent */ |
| 3225 |
if ((error = dlerror()) != NULL) { |
3232 |
int status; |
| 3226 |
npw_printf("ERROR: %s\n", error); |
3233 |
if(0 >(pid = waitpid(pid,&status,0))) |
| 3227 |
return 1; |
3234 |
return 1; |
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3235 |
|
| 3236 |
if(status != EXIT_TRUE) |
| 3237 |
return 1; |
| 3238 |
|
| 3239 |
/* dlopen() will not seqfault, should be good to go */ |
| 3240 |
if ((handle = dlopen(plugin_path, RTLD_LAZY)) == NULL) { |
| 3241 |
npw_printf("ERROR: %s\n", dlerror()); |
| 3242 |
return 1; |
| 3243 |
} |
| 3244 |
dlerror(); |
| 3245 |
g_plugin_NP_GetMIMEDescription = (NP_GetMIMEDescriptionUPP)dlsym(handle, "NP_GetMIMEDescription"); |
| 3246 |
if ((error = dlerror()) != NULL) { |
| 3247 |
npw_printf("ERROR: %s\n", error); |
| 3248 |
return 1; |
| 3249 |
} |
| 3250 |
g_plugin_NP_Initialize = (NP_InitializeUPP)dlsym(handle, "NP_Initialize"); |
| 3251 |
if ((error = dlerror()) != NULL) { |
| 3252 |
npw_printf("ERROR: %s\n", error); |
| 3253 |
return 1; |
| 3254 |
} |
| 3255 |
g_plugin_NP_Shutdown = (NP_ShutdownUPP)dlsym(handle, "NP_Shutdown"); |
| 3256 |
if ((error = dlerror()) != NULL) { |
| 3257 |
npw_printf("ERROR: %s\n", error); |
| 3258 |
return 1; |
| 3259 |
} |
| 3260 |
g_plugin_NP_GetValue = (NP_GetValueUPP)dlsym(handle, "NP_GetValue"); |
| 3228 |
} |
3261 |
} |
| 3229 |
g_plugin_NP_GetValue = (NP_GetValueUPP)dlsym(handle, "NP_GetValue"); |
3262 |
|
| 3230 |
} |
3263 |
} |
| 3231 |
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3264 |
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| 3232 |
int ret = 1; |
3265 |
int ret = 1; |
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Lines 3249-3251
int main(int argc, char **argv)
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| 3249 |
dlclose(handle); |
3282 |
dlclose(handle); |
| 3250 |
return ret; |
3283 |
return ret; |
| 3251 |
} |
3284 |
} |
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3285 |
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| 3286 |
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| 3287 |
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