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, 155 insertions, 148 deletions
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c index 94a65ecb..73ecc2f9 100644 --- a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c +++ b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c @@ -32,78 +32,90 @@ #include "nm-utils.h" -if_block* first; -if_block* last; +/*****************************************************************************/ -if_data* last_data; +static void _ifparser_source (if_parser *parser, const char *path, const char *en_dir, int quiet, int dir); -void add_block(const char *type, const char* name) +/*****************************************************************************/ + +#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) { - 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; + 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); } -void add_data(const char *key,const char *data) +static void +add_data (if_parser *parser, const char *key, const char *data) { - if_data *ret; + if_block *last_block; + if_data *ifd; 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 (first == NULL) + if (!last_block) return; - ret = g_slice_new0 (struct _if_data); - ret->key = g_strdup(key); + 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); /* Normalize keys. Convert '_' to '-', as ifupdown accepts both variants. * When querying keys via ifparser_getkey(), use '-'. */ - while ((idx = strrchr(ret->key, '_'))) { - *idx = '-'; - } - ret->data = g_strdup(data); + idx = (char *) ifd->key; + while ((idx = strchr (idx, '_'))) + *(idx++) = '-'; - if (last->info == NULL) - { - last->info = ret; - last_data = ret; - } - else - { - last_data->next = ret; - last_data = last_data->next; - } + c_list_link_tail (&last_block->data_lst_head, &ifd->data_lst); } /* 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 (const char *eni_file, int quiet) +_recursive_ifparser (if_parser *parser, const char *eni_file, int quiet) { FILE *inp; char line[255]; @@ -114,36 +126,35 @@ _recursive_ifparser (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) - nm_log_warn (LOGD_SETTINGS, "interfaces file %s doesn't exist\n", eni_file); + _LOGW ("interfaces file %s doesn't exist", eni_file); return; } inp = fopen (eni_file, "re"); if (inp == NULL) { if (!quiet) - nm_log_warn (LOGD_SETTINGS, "Can't open %s\n", eni_file); + _LOGW ("Can't open %s", eni_file); return; } if (!quiet) - nm_log_info (LOGD_SETTINGS, " interface-parser: parsing file %s\n", eni_file); + _LOGI (" interface-parser: parsing file %s", 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) - nm_log_warn (LOGD_SETTINGS, "Skipping over-long-line '%s...'\n", line); + _LOGW ("Skipping over-long-line '%s...'", line); } skip_long_line = 1; continue; @@ -170,9 +181,9 @@ _recursive_ifparser (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 */ @@ -181,8 +192,8 @@ _recursive_ifparser (const char *eni_file, int quiet) if (toknum < 2) { if (!quiet) { - nm_log_warn (LOGD_SETTINGS, "Can't parse interface line '%s'\n", - join_values_with_spaces(value, token)); + _LOGW ("Can't parse interface line '%s'", + join_values_with_spaces (value, token)); } skip_to_block = 1; continue; @@ -193,71 +204,71 @@ _recursive_ifparser (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 (strcmp(token[0], "iface") == 0) { + if (nm_streq (token[0], "iface")) { if (toknum < 4) { if (!quiet) { - nm_log_warn (LOGD_SETTINGS, "Can't parse iface line '%s'\n", - join_values_with_spaces(value, token)); + _LOGW ("Can't parse iface line '%s'", + join_values_with_spaces (value, token)); } continue; } - add_block(token[0], token[1]); + add_block (parser, token[0], token[1]); skip_to_block = 0; - add_data(token[2], join_values_with_spaces(value, token + 3)); + add_data (parser, 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 (strcmp(token[0], "auto") == 0 || - strcmp(token[0], "allow-auto") == 0) { + else if (NM_IN_STRSET (token[0], "auto", "allow-auto")) { int i; + for (i = 1; i < toknum; i++) - add_block("auto", token[i]); + add_block (parser, "auto", token[i]); skip_to_block = 0; } - else if (strcmp(token[0], "mapping") == 0) { - add_block(token[0], join_values_with_spaces(value, token + 1)); + else if (nm_streq (token[0], "mapping")) { + add_block (parser, 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 (strncmp(token[0],"allow-",6) == 0) { + else if (g_str_has_prefix (token[0], "allow-")) { int i; for (i = 1; i < toknum; i++) - add_block(token[0], token[i]); + add_block (parser, token[0], token[i]); skip_to_block = 0; } /* source and source-directory stanzas take one or more paths as parameters */ - else if (strcmp (token[0], "source") == 0 || strcmp (token[0], "source-directory") == 0) { + else if (NM_IN_STRSET (token[0], "source", "source-directory")) { int i; char *en_dir; skip_to_block = 0; en_dir = g_path_get_dirname (eni_file); for (i = 1; i < toknum; ++i) { - if (strcmp (token[0], "source-directory") == 0) - _ifparser_source (token[i], en_dir, quiet, TRUE); + if (nm_streq (token[0], "source-directory")) + _ifparser_source (parser, token[i], en_dir, quiet, TRUE); else - _ifparser_source (token[i], en_dir, quiet, FALSE); + _ifparser_source (parser, token[i], en_dir, quiet, FALSE); } g_free (en_dir); } else { if (skip_to_block) { if (!quiet) { - nm_log_warn (LOGD_SETTINGS, "ignoring out-of-block data '%s'\n", - join_values_with_spaces(value, token)); + _LOGW ("ignoring out-of-block data '%s'", + join_values_with_spaces (value, token)); } } else - add_data(token[0], join_values_with_spaces(value, token + 1)); + add_data (parser, token[0], join_values_with_spaces (value, token + 1)); } } - fclose(inp); + fclose (inp); if (!quiet) - nm_log_info (LOGD_SETTINGS, " interface-parser: finished parsing file %s\n", eni_file); + _LOGI (" interface-parser: finished parsing file %s", eni_file); } static void -_ifparser_source (const char *path, const char *en_dir, int quiet, int dir) +_ifparser_source (if_parser *parser, const char *path, const char *en_dir, int quiet, int dir) { char *abs_path; const char *item; @@ -272,132 +283,128 @@ _ifparser_source (const char *path, const char *en_dir, int quiet, int dir) abs_path = g_build_filename (en_dir, path, NULL); if (!quiet) - nm_log_info (LOGD_SETTINGS, " interface-parser: source line includes interfaces file(s) %s\n", abs_path); + _LOGI (" interface-parser: source line includes interfaces file(s) %s", abs_path); /* ifupdown uses WRDE_NOCMD for wordexp. */ if (wordexp (abs_path, &we, WRDE_NOCMD)) { if (!quiet) - nm_log_warn (LOGD_SETTINGS, "word expansion for %s failed\n", abs_path); + _LOGW ("word expansion for %s failed", 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) { - nm_log_warn (LOGD_SETTINGS, "Failed to open directory %s: %s", - we.we_wordv[i], error->message); + _LOGW ("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 (item, we.we_wordv[i], quiet, FALSE); + _ifparser_source (parser, item, we.we_wordv[i], quiet, FALSE); g_dir_close (source_dir); } } else - _recursive_ifparser (we.we_wordv[i], quiet); + _recursive_ifparser (parser, we.we_wordv[i], quiet); } wordfree (&we); } g_free (abs_path); } -void ifparser_init (const char *eni_file, int quiet) +if_parser * +ifparser_parse (const char *eni_file, int quiet) { - first = last = NULL; - _recursive_ifparser (eni_file, 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; } -void _destroy_data(if_data *ifd) +static void +_destroy_data (if_data *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; + c_list_unlink_stale (&ifd->data_lst); + g_free (ifd); } -void _destroy_block(if_block* ifb) +static void +_destroy_block (if_block* 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; + 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); } -void ifparser_destroy(void) +void +ifparser_destroy (if_parser *parser) { - _destroy_block(first); - first = last = NULL; + 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); } -if_block *ifparser_getfirst(void) +if_block * +ifparser_getfirst (if_parser *parser) { - return first; + return c_list_first_entry (&parser->block_lst_head, if_block, block_lst); } -int ifparser_get_num_blocks(void) +guint +ifparser_get_num_blocks (if_parser *parser) { - int i = 0; - if_block *iter = first; - - while (iter) { - i++; - iter = iter->next; - } - return i; + return c_list_length (&parser->block_lst_head); } -if_block *ifparser_getif(const char* iface) +if_block * +ifparser_getif (if_parser *parser, const char* iface) { - if_block *curr = first; - while(curr!=NULL) - { - if (strcmp(curr->type,"iface")==0 && strcmp(curr->name,iface)==0) - return curr; - curr = curr->next; + 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; } return NULL; } -const char *ifparser_getkey(if_block* iface, const char *key) +static if_data * +ifparser_findkey (if_block* iface, const char *key) { - if_data *curr = iface->info; - while(curr!=NULL) - { - if (strcmp(curr->key,key)==0) - return curr->data; - curr = curr->next; + if_data *ifd; + + c_list_for_each_entry (ifd, &iface->data_lst_head, data_lst) { + if (nm_streq (ifd->key, key)) + return ifd; } return NULL; } -gboolean -ifparser_haskey(if_block* iface, const char *key) +const char * +ifparser_getkey (if_block* iface, const char *key) { - if_data *curr = iface->info; + if_data *ifd; - while (curr != NULL) { - if (strcmp (curr->key, key) == 0) - return TRUE; - curr = curr->next; - } - return FALSE; + ifd = ifparser_findkey (iface, key); + return ifd ? ifd->data : NULL; } -int ifparser_get_num_info(if_block* iface) +gboolean +ifparser_haskey (if_block* iface, const char *key) { - int i = 0; - if_data *iter = iface->info; + return !!ifparser_findkey (iface, key); +} - while (iter) { - i++; - iter = iter->next; - } - return i; +guint +ifparser_get_num_info (if_block* iface) +{ + return c_list_length (&iface->data_lst_head); } |