Commit 05f752f1 authored by Ramon Nou's avatar Ramon Nou
Browse files

cover interception

parent 8492adc4

src/client/gkfs_libc.cpp

+31 −27
Original line number Diff line number Diff line
@@ -1015,34 +1015,7 @@ dlsym_fgets(char* str, int n, FILE* stream) { 


}



int

fputs(const char* str, FILE* stream) {

    initializeGekko();

    if(CTX->file_map()->exist(fileno(stream))) {

        // write str of size n with gkfs_write

        int size = strlen(str);

        return gkfs::syscall::gkfs_write(fileno(stream), str, size);

       }



    int ret = dlsym_fputs(str, stream);



    return ret;

}



char *

fgets(char* str, int n, FILE* stream) {

    initializeGekko();

    if(CTX->file_map()->exist(fileno(stream))) {

        // read str n chars

        size_t n = gkfs::syscall::gkfs_read(fileno(stream), str, n);

        if(n == 0) {

            return NULL;

        }    

        return str;

    }



    return dlsym_fgets(str, n, stream);

}



/**

 * stat management
@@ -2796,3 +2769,34 @@ feof(FILE* stream) { 
    return ret;

}



int

fputs(const char* str, FILE* stream) {

    initializeGekko();

     if(CTX->interception_enabled()) {

    if(CTX->file_map()->exist(stream->_fileno)) {

        // write str of size n with gkfs_write

        int size = strlen(str);

        return gkfs::syscall::gkfs_write(fileno(stream), str, size);

       }

     }

    int ret = dlsym_fputs(str, stream);



    return ret;

}



char *

fgets(char* str, int n, FILE* stream) {

    initializeGekko();

     if(CTX->interception_enabled()) {

    if(CTX->file_map()->exist(stream->_fileno)) {

        // read str n chars

        size_t n = gkfs::syscall::gkfs_read(fileno(stream), str, n);

        if(n == 0) {

            return NULL;

        }    

        return str;

    }

     }



    return dlsym_fgets(str, n, stream);

}
 
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