diff options
Diffstat (limited to 'src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c')
| -rw-r--r-- | src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c | 303 |
1 files changed, 148 insertions, 155 deletions
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c index d926829f..94a65ecb 100644 --- a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c +++ b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c @@ -32,90 +32,78 @@ #include "nm-utils.h" -/*****************************************************************************/ +if_block* first; +if_block* last; -static void _ifparser_source (if_parser *parser, const char *path, const char *en_dir, int quiet, int dir); +if_data* last_data; -/*****************************************************************************/ - -#define _NMLOG_PREFIX_NAME "ifupdown" -#define _NMLOG_DOMAIN LOGD_SETTINGS -#define _NMLOG(level, ...) \ - nm_log ((level), _NMLOG_DOMAIN, NULL, NULL, \ - "%s" _NM_UTILS_MACRO_FIRST (__VA_ARGS__), \ - _NMLOG_PREFIX_NAME": " \ - _NM_UTILS_MACRO_REST (__VA_ARGS__)) - -/*****************************************************************************/ - -static void -add_block (if_parser *parser, const char *type, const char* name) +void add_block(const char *type, const char* name) { - if_block *ifb; - gsize l_type, l_name; - - l_type = strlen (type) + 1; - l_name = strlen (name) + 1; - - ifb = g_malloc (sizeof (if_block) + l_type + l_name); - memcpy ((char *) ifb->name, name, l_name); - ifb->type = &ifb->name[l_name]; - memcpy ((char *) ifb->type, type, l_type); - c_list_init (&ifb->data_lst_head); - c_list_link_tail (&parser->block_lst_head, &ifb->block_lst); + if_block *ret = g_slice_new0 (struct _if_block); + ret->name = g_strdup(name); + ret->type = g_strdup(type); + if (first == NULL) + first = last = ret; + else + { + last->next = ret; + last = ret; + } + last_data = NULL; } -static void -add_data (if_parser *parser, const char *key, const char *data) +void add_data(const char *key,const char *data) { - if_block *last_block; - if_data *ifd; + if_data *ret; char *idx; - gsize l_key, l_data; - - last_block = c_list_last_entry (&parser->block_lst_head, if_block, block_lst); /* Check if there is a block where we can attach our data */ - if (!last_block) + if (first == NULL) return; - l_key = strlen (key) + 1; - l_data = strlen (data) + 1; - - ifd = g_malloc (sizeof (if_data) + l_key + l_data); - memcpy ((char *) ifd->key, key, l_key); - ifd->data = &ifd->key[l_key]; - memcpy ((char *) ifd->data, data, l_data); + ret = g_slice_new0 (struct _if_data); + ret->key = g_strdup(key); /* Normalize keys. Convert '_' to '-', as ifupdown accepts both variants. * When querying keys via ifparser_getkey(), use '-'. */ - idx = (char *) ifd->key; - while ((idx = strchr (idx, '_'))) - *(idx++) = '-'; + while ((idx = strrchr(ret->key, '_'))) { + *idx = '-'; + } + ret->data = g_strdup(data); - c_list_link_tail (&last_block->data_lst_head, &ifd->data_lst); + if (last->info == NULL) + { + last->info = ret; + last_data = ret; + } + else + { + last_data->next = ret; + last_data = last_data->next; + } } /* join values in src with spaces into dst; dst needs to be large enough */ -static char * -join_values_with_spaces (char *dst, char **src) +static char *join_values_with_spaces(char *dst, char **src) { if (dst != NULL) { *dst = '\0'; if (src != NULL && *src != NULL) { - strcat (dst, *src); + strcat(dst, *src); for (src++; *src != NULL; src++) { - strcat (dst, " "); - strcat (dst, *src); + strcat(dst, " "); + strcat(dst, *src); } } } - return (dst); + return(dst); } +static void _ifparser_source (const char *path, const char *en_dir, int quiet, int dir); + static void -_recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) +_recursive_ifparser (const char *eni_file, int quiet) { FILE *inp; char line[255]; @@ -126,35 +114,36 @@ _recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) /* Check if interfaces file exists and open it */ if (!g_file_test (eni_file, G_FILE_TEST_EXISTS)) { if (!quiet) - _LOGW ("interfaces file %s doesn't exist\n", eni_file); + nm_log_warn (LOGD_SETTINGS, "interfaces file %s doesn't exist\n", eni_file); return; } inp = fopen (eni_file, "re"); if (inp == NULL) { if (!quiet) - _LOGW ("Can't open %s\n", eni_file); + nm_log_warn (LOGD_SETTINGS, "Can't open %s\n", eni_file); return; } if (!quiet) - _LOGI (" interface-parser: parsing file %s\n", eni_file); + nm_log_info (LOGD_SETTINGS, " interface-parser: parsing file %s\n", eni_file); - while (!feof (inp)) { + while (!feof(inp)) + { char *token[128]; /* 255 chars can only be split into 127 tokens */ char value[255]; /* large enough to join previously split tokens */ char *safeptr; int toknum; int len = 0; - char *ptr = fgets (line+offs, 255-offs, inp); + char *ptr = fgets(line+offs, 255-offs, inp); if (ptr == NULL) break; - len = strlen (line); + len = strlen(line); /* skip over-long lines */ - if (!feof (inp) && len > 0 && line[len-1] != '\n') { + if (!feof(inp) && len > 0 && line[len-1] != '\n') { if (!skip_long_line) { if (!quiet) - _LOGW ("Skipping over-long-line '%s...'\n", line); + nm_log_warn (LOGD_SETTINGS, "Skipping over-long-line '%s...'\n", line); } skip_long_line = 1; continue; @@ -181,9 +170,9 @@ _recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) #define SPACES " \t" /* tokenize input; */ - for (toknum = 0, token[toknum] = strtok_r (line, SPACES, &safeptr); + for (toknum = 0, token[toknum] = strtok_r(line, SPACES, &safeptr); token[toknum] != NULL; - toknum++, token[toknum] = strtok_r (NULL, SPACES, &safeptr)) + toknum++, token[toknum] = strtok_r(NULL, SPACES, &safeptr)) ; /* ignore comments and empty lines */ @@ -192,8 +181,8 @@ _recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) if (toknum < 2) { if (!quiet) { - _LOGW ("Can't parse interface line '%s'\n", - join_values_with_spaces (value, token)); + nm_log_warn (LOGD_SETTINGS, "Can't parse interface line '%s'\n", + join_values_with_spaces(value, token)); } skip_to_block = 1; continue; @@ -204,71 +193,71 @@ _recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) * Create a block for each of them except source and source-directory. */ /* iface stanza takes at least 3 parameters */ - if (nm_streq (token[0], "iface")) { + if (strcmp(token[0], "iface") == 0) { if (toknum < 4) { if (!quiet) { - _LOGW ("Can't parse iface line '%s'\n", - join_values_with_spaces (value, token)); + nm_log_warn (LOGD_SETTINGS, "Can't parse iface line '%s'\n", + join_values_with_spaces(value, token)); } continue; } - add_block (parser, token[0], token[1]); + add_block(token[0], token[1]); skip_to_block = 0; - add_data (parser, token[2], join_values_with_spaces (value, token + 3)); + add_data(token[2], join_values_with_spaces(value, token + 3)); } /* auto and allow-auto stanzas are equivalent, * both can take multiple interfaces as parameters: add one block for each */ - else if (NM_IN_STRSET (token[0], "auto", "allow-auto")) { + else if (strcmp(token[0], "auto") == 0 || + strcmp(token[0], "allow-auto") == 0) { int i; - for (i = 1; i < toknum; i++) - add_block (parser, "auto", token[i]); + add_block("auto", token[i]); skip_to_block = 0; } - else if (nm_streq (token[0], "mapping")) { - add_block (parser, token[0], join_values_with_spaces (value, token + 1)); + else if (strcmp(token[0], "mapping") == 0) { + add_block(token[0], join_values_with_spaces(value, token + 1)); skip_to_block = 0; } /* allow-* can take multiple interfaces as parameters: add one block for each */ - else if (g_str_has_prefix (token[0], "allow-")) { + else if (strncmp(token[0],"allow-",6) == 0) { int i; for (i = 1; i < toknum; i++) - add_block (parser, token[0], token[i]); + add_block(token[0], token[i]); skip_to_block = 0; } /* source and source-directory stanzas take one or more paths as parameters */ - else if (NM_IN_STRSET (token[0], "source", "source-directory")) { + else if (strcmp (token[0], "source") == 0 || strcmp (token[0], "source-directory") == 0) { int i; char *en_dir; skip_to_block = 0; en_dir = g_path_get_dirname (eni_file); for (i = 1; i < toknum; ++i) { - if (nm_streq (token[0], "source-directory")) - _ifparser_source (parser, token[i], en_dir, quiet, TRUE); + if (strcmp (token[0], "source-directory") == 0) + _ifparser_source (token[i], en_dir, quiet, TRUE); else - _ifparser_source (parser, token[i], en_dir, quiet, FALSE); + _ifparser_source (token[i], en_dir, quiet, FALSE); } g_free (en_dir); } else { if (skip_to_block) { if (!quiet) { - _LOGW ("ignoring out-of-block data '%s'\n", - join_values_with_spaces (value, token)); + nm_log_warn (LOGD_SETTINGS, "ignoring out-of-block data '%s'\n", + join_values_with_spaces(value, token)); } } else - add_data (parser, token[0], join_values_with_spaces (value, token + 1)); + add_data(token[0], join_values_with_spaces(value, token + 1)); } } - fclose (inp); + fclose(inp); if (!quiet) - _LOGI (" interface-parser: finished parsing file %s\n", eni_file); + nm_log_info (LOGD_SETTINGS, " interface-parser: finished parsing file %s\n", eni_file); } static void -_ifparser_source (if_parser *parser, const char *path, const char *en_dir, int quiet, int dir) +_ifparser_source (const char *path, const char *en_dir, int quiet, int dir) { char *abs_path; const char *item; @@ -283,128 +272,132 @@ _ifparser_source (if_parser *parser, const char *path, const char *en_dir, int q abs_path = g_build_filename (en_dir, path, NULL); if (!quiet) - _LOGI (" interface-parser: source line includes interfaces file(s) %s\n", abs_path); + nm_log_info (LOGD_SETTINGS, " interface-parser: source line includes interfaces file(s) %s\n", abs_path); /* ifupdown uses WRDE_NOCMD for wordexp. */ if (wordexp (abs_path, &we, WRDE_NOCMD)) { if (!quiet) - _LOGW ("word expansion for %s failed\n", abs_path); + nm_log_warn (LOGD_SETTINGS, "word expansion for %s failed\n", abs_path); } else { for (i = 0; i < we.we_wordc; i++) { if (dir) { source_dir = g_dir_open (we.we_wordv[i], 0, &error); if (!source_dir) { if (!quiet) { - _LOGW ("Failed to open directory %s: %s", - we.we_wordv[i], error->message); + nm_log_warn (LOGD_SETTINGS, "Failed to open directory %s: %s", + we.we_wordv[i], error->message); } g_clear_error (&error); } else { while ((item = g_dir_read_name (source_dir))) - _ifparser_source (parser, item, we.we_wordv[i], quiet, FALSE); + _ifparser_source (item, we.we_wordv[i], quiet, FALSE); g_dir_close (source_dir); } } else - _recursive_ifparser (parser, we.we_wordv[i], quiet); + _recursive_ifparser (we.we_wordv[i], quiet); } wordfree (&we); } g_free (abs_path); } -if_parser * -ifparser_parse (const char *eni_file, int quiet) +void ifparser_init (const char *eni_file, int quiet) { - if_parser *parser; - - parser = g_slice_new (if_parser); - c_list_init (&parser->block_lst_head); - _recursive_ifparser (parser, eni_file, quiet); - return parser; + first = last = NULL; + _recursive_ifparser (eni_file, quiet); } -static void -_destroy_data (if_data *ifd) +void _destroy_data(if_data *ifd) { - c_list_unlink_stale (&ifd->data_lst); - g_free (ifd); + if (ifd == NULL) + return; + _destroy_data(ifd->next); + g_free(ifd->key); + g_free(ifd->data); + g_slice_free(struct _if_data, ifd); + return; } -static void -_destroy_block (if_block* ifb) +void _destroy_block(if_block* ifb) { - if_data *ifd; - - while ((ifd = c_list_first_entry (&ifb->data_lst_head, if_data, data_lst))) - _destroy_data (ifd); - c_list_unlink_stale (&ifb->block_lst); - g_free (ifb); + if (ifb == NULL) + return; + _destroy_block(ifb->next); + _destroy_data(ifb->info); + g_free(ifb->name); + g_free(ifb->type); + g_slice_free(struct _if_block, ifb); + return; } -void -ifparser_destroy (if_parser *parser) +void ifparser_destroy(void) { - if_block *ifb; - - while ((ifb = c_list_first_entry (&parser->block_lst_head, if_block, block_lst))) - _destroy_block (ifb); - g_slice_free (if_parser, parser); + _destroy_block(first); + first = last = NULL; } -if_block * -ifparser_getfirst (if_parser *parser) +if_block *ifparser_getfirst(void) { - return c_list_first_entry (&parser->block_lst_head, if_block, block_lst); + return first; } -guint -ifparser_get_num_blocks (if_parser *parser) +int ifparser_get_num_blocks(void) { - return c_list_length (&parser->block_lst_head); + int i = 0; + if_block *iter = first; + + while (iter) { + i++; + iter = iter->next; + } + return i; } -if_block * -ifparser_getif (if_parser *parser, const char* iface) +if_block *ifparser_getif(const char* iface) { - if_block *ifb; - - c_list_for_each_entry (ifb, &parser->block_lst_head, block_lst) { - if ( nm_streq (ifb->type, "iface") - && nm_streq (ifb->name, iface)) - return ifb; + if_block *curr = first; + while(curr!=NULL) + { + if (strcmp(curr->type,"iface")==0 && strcmp(curr->name,iface)==0) + return curr; + curr = curr->next; } return NULL; } -static if_data * -ifparser_findkey (if_block* iface, const char *key) +const char *ifparser_getkey(if_block* iface, const char *key) { - if_data *ifd; - - c_list_for_each_entry (ifd, &iface->data_lst_head, data_lst) { - if (nm_streq (ifd->key, key)) - return ifd; + if_data *curr = iface->info; + while(curr!=NULL) + { + if (strcmp(curr->key,key)==0) + return curr->data; + curr = curr->next; } return NULL; } -const char * -ifparser_getkey (if_block* iface, const char *key) +gboolean +ifparser_haskey(if_block* iface, const char *key) { - if_data *ifd; + if_data *curr = iface->info; - ifd = ifparser_findkey (iface, key); - return ifd ? ifd->data : NULL; + while (curr != NULL) { + if (strcmp (curr->key, key) == 0) + return TRUE; + curr = curr->next; + } + return FALSE; } -gboolean -ifparser_haskey (if_block* iface, const char *key) +int ifparser_get_num_info(if_block* iface) { - return !!ifparser_findkey (iface, key); -} + int i = 0; + if_data *iter = iface->info; -guint -ifparser_get_num_info (if_block* iface) -{ - return c_list_length (&iface->data_lst_head); + while (iter) { + i++; + iter = iter->next; + } + return i; } |