diff options
-rw-r--r-- | extensions/source/nsplugin/source/so_env.cxx | 126 |
1 files changed, 124 insertions, 2 deletions
diff --git a/extensions/source/nsplugin/source/so_env.cxx b/extensions/source/nsplugin/source/so_env.cxx index 36a2b3f3abec..aac37c8e4da4 100644 --- a/extensions/source/nsplugin/source/so_env.cxx +++ b/extensions/source/nsplugin/source/so_env.cxx @@ -31,6 +31,7 @@ #ifdef UNIX #include <sys/types.h> #include <strings.h> +#include <dlfcn.h> #include <stdarg.h> // For vsnprintf() #define NSP_vsnprintf vsnprintf @@ -119,6 +120,114 @@ restoreUTF8(char *pPath) return 0; } +#ifdef UNIX +extern int nspluginOOoModuleHook (void** aResult); +int nspluginOOoModuleHook (void** aResult) +{ + void *dl_handle; + void *thisp; + + dl_handle = dlopen(NULL, RTLD_NOW); + if (!dl_handle) + { + fprintf (stderr, "Can't open myself '%s'\n", dlerror()); + return 1; + } + + Dl_info dl_info = { 0, }; + if(!dladdr((void *)nspluginOOoModuleHook, &dl_info)) + { + fprintf (stderr, "Can't find my own address '%s'\n", dlerror()); + return 1; + } + + if (!dl_info.dli_fname) + { + fprintf (stderr, "Can't find my own file name\n"); + return 1; + } + + char cwdstr[NPP_PATH_MAX]; + if (!getcwd (cwdstr, sizeof(cwdstr))) + { + fprintf (stderr, "Can't get cwd\n"); + return 1; + } + + char libFileName[NPP_PATH_MAX]; + + if (dl_info.dli_fname[0] != '/') + { + if ((strlen(cwdstr) + 1 + strlen(dl_info.dli_fname)) >= NPP_PATH_MAX) + { + fprintf (stderr, "Plugin path too long\n"); + return 1; + } + strcpy (libFileName, cwdstr); + strcat (libFileName, "/"); + strcat (libFileName, dl_info.dli_fname); + } + else + { + if (strlen(dl_info.dli_fname) >= NPP_PATH_MAX) + { + fprintf (stderr, "Plugin path too long\n"); + return 1; + } + strcpy (libFileName, dl_info.dli_fname); + } + + char *clobber; + static char realFileName[NPP_PATH_MAX] = {0}; +# define SEARCH_SUFFIX "/program/libnpsoplug" + + if (!(clobber = strstr (libFileName, SEARCH_SUFFIX))) + { + ssize_t len = readlink(libFileName, realFileName, NPP_PATH_MAX-1); + if (len == -1) + { + fprintf (stderr, "Couldn't read link '%s'\n", libFileName); + return 1; + } + realFileName[len] = '\0'; + if (!(clobber = strstr (realFileName, SEARCH_SUFFIX))) + { + fprintf (stderr, "Couldn't find suffix in '%s'\n", realFileName); + return 1; + } + *clobber = '\0'; + } + else + { + *clobber = '\0'; + strcpy (realFileName, libFileName); + } + + fprintf (stderr, "OpenOffice path before fixup is '%s'\n", realFileName); + + if (realFileName[0] != '/') { + /* a relative sym-link and we need to get an absolute path */ + char scratch[NPP_PATH_MAX] = {0}; + if (strlen (realFileName) + strlen (libFileName) + 2 >= NPP_PATH_MAX - 1) + { + fprintf (stderr, "Paths too long to fix up.\n"); + return 1; + } + strcpy (scratch, libFileName); + if (strrchr (scratch, '/')) /* remove the last element */ + *(strrchr (scratch, '/') + 1) = '\0'; + strcat (scratch, realFileName); + strcpy (realFileName, scratch); + } + + *aResult = realFileName; + + fprintf (stderr, "OpenOffice path is '%s'\n", realFileName); + + return 0; +} +#endif + // *aResult points the static string holding "/opt/staroffice8" int findReadSversion(void** aResult, int /*bWnt*/, const char* /*tag*/, const char* /*entry*/) { @@ -131,9 +240,22 @@ int findReadSversion(void** aResult, int /*bWnt*/, const char* /*tag*/, const ch // Filename of lnk file, eg. "soffice" char lnkFileName[NPP_PATH_MAX] = {0}; char* pTempZero = NULL; + + /* try to fetch a 'self' pointer */ + if (!nspluginOOoModuleHook (aResult)) + return 0; + + /* .. now in $HOME */ sprintf(lnkFileName, "%s/.mozilla/plugins/libnpsoplugin%s", getenv("HOME"), SAL_DLLEXTENSION); - if ((0 > readlink(lnkFileName, realFileName, NPP_PATH_MAX)) || - (NULL == (pTempZero = strstr(realFileName, "/program/libnpsoplugin" SAL_DLLEXTENSION)))) + ssize_t len = readlink(lnkFileName, realFileName, NPP_PATH_MAX-1); + if (-1 == len) + { + *realFileName = 0; + return -1; + } + realFileName[len] = '\0'; + + if (NULL == (pTempZero = strstr(realFileName, "/program/libnpsoplugin" SAL_DLLEXTENSION))) { *realFileName = 0; return -1; |